• Researchers
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  • Publications in the Field of Remote Sensing of Vegetation

    2018

    2017

    2016

    2015

        • Kuusk, A., Lang, M., Märdla, S., and Pisek, J. (2015) Tree stems from terrestrial laser scanner measurements. Forestry Studies | Metsanduslikud Uurimused, 63, 44–55.
        • Nikopensius, M., Pisek, J. and Raabe, K. (2015) Spectral reflectance patterns and seasonal dynamics of common understory types in three mature hemi-boreal forests. International Journal of Applied Earth Observation and Geoinformation, 43, 84-91.
        • Lang, M., Vain, A., Bunce, R.G.H., Jongman, R., Raet, J., Sepp, K., Kuusemets, V., Kikas, T. and Liba, N. (2015) Extrapolation of in situ data from 1-km squares to adjacent squares using remote sensed imagery and airborne lidar data for the assessment of habitat diversity and extent. Environmental Monitoring and Assessment, 187(3), 1-16. DOI 10.1007/s10661-015-4270-7.
        • Widlowski, J.-L., Mio, C., Disney, M., Adams, J., Andredakis, I., Atzberger, C., Brennan, J., Busetto, L., Chelle, M., Ceccherini, G., Colombo, R., Côté, J.-F., Eenmäe, A., Essery, R., Gastellu-Etchegorry, J.-P., Gobron, N., Grau, E., Haverd, V., Homolová, L., Huang, H., Hunt, L., Kobayashi, H., Koetz, B., Kuusk, A., Kuusk, J., Lang, M., Lewis, P.E., Lovell, J.L., Malenovský, Z., Meroni, M., Morsdorf, F., Mõttus, M., Ni-Meister, W., Pinty, B., Rautiainen, M., Schlerf, M., Somers, B., Stuckens, J., Verstraete, M.M., Yang, W., Zhao, F., and Zenone, T. (2015) The fourth phase of the radiative transfer model intercomparison (RAMI) exercise: Actual canopy scenarios and conformity testing. Remote Sensing of Environment, 169, 418-437.
        • Mõttus, M., Takala, T., Stenberg, P., Knyazikhin, Y., Yang, B. and Nilson, T. (2015). Diffuse sky radiation influences the relationship between canopy PRI and shadow fraction. ISPRS Journal of Photogrammetry and Remote Sensing, 105, 54-60.
        • Mõistus, M., Lang, M. 2015. Leaf area index mapping with optical methods and allometric models in SMEAR fl ux tower footprint at Järvselja, Estonia. – Forestry Studies | Metsanduslikud Uurimused 63, 85–99.

        • He, L., Liu, J., Chen, J.M., Croft, H., Wang, R., Sprintsin, M., Zheng, T., Ryu, Y., Pisek, J., Gonsamo, A., Deng, F., and Zhang, Y. (2015). Inter- and intra-annual variations of clumping index derived from the MODIS BRDF product. International Journal of Applied Earth Observation and Geoinformation, 44, 53-60.
        • Raabe, K., Pisek, J, Sonnentag, O., and Annuk, K. (2015). Variations of leaf inclination angle distribution with height over the growing season and light exposure for eight broadleaf tree species. Agricultural and Forest Meteorology, 214-215, 2-11.
        • Niinemets, Ü., Keenan, T.F., and Hallik, L. (2015). Tansley review. A worldwide analysis of within-canopy variations in leaf structural, chemical and physiological traits across plant functional types. New Phytologist, 205(3), 973-993.
        • Pisek, J., Lang, M., and Kuusk, J. (2015). A note on suitable viewing configuration for retrieval of forest understory reflectance from multi-angle remote sensing data. Remote Sensing of Environment, 156, 242-246.
        • Chianucci, F., Macfarlane, C., Pisek, J., Cutini, A., and Casa, R. (2015). Estimation of foliage clumping from the LAI-2000 plant canopy analyzer: effect of view caps. Trees - Structure and Function, 29(2), 355-366.
        • Pisek, J., Govind, A., Arndt, S.K., Hosking, D., Wardlaw, T.J., Fang, H., Matteucci, G., and Longdzo, B. (2015). Intercomparison of clumping index estimates from POLDER, MODIS, and MISR satellite data over reference sites. ISPRS Journal of Photogrammetry and Remote Sensing, 101, 47-56.
        • Kuusk, A., Lang, M., Kodar, A., and Sims, A. (2015). Estimation of leaf area index of hemiboreal forests. The Open Remote Sensing Journal, 6, 1-10.
        • Pisek, J., Rautiainen, M., Nikopensius, M. and Raabe, K. (2015) Estimation of seasonal dynamics of understory NDVI in northern forests using MODIS BRDF data: Semi-empirical versus physically-based approach. Remote Sensing of Environment, DOI: 10.1016/j.rse.2015.03.003. 

    2014

        • Jiao, T., Liu, R., Liu, Y., Pisek, J., and Chen, J.M. (2014). Mapping global seasonal forest background reflectivity with Multi-angle Imaging Spectroradiometer data. Journal of Geophysical Research: Biogeosciences, 119(6), 1063-1077.
        • Nilson, T., Rennel, M., Lang, M. (2014). MERIS GPP/NPP product for Estonia: II. Complex meteorological limiting factor and optimum leaf area index. Metsanduslikud uurimused = Forestry studies, 61, 5–26.
        • Lang, M., Arumäe, T., Lükk, T., Sims, A. (2014). Estimation of standing wood volume and species composition in managed nemoral multi-layer mixed forests by using nearest neighbour classifier, multispectral satellite images and airborne lidar data. Metsanduslikud uurimused = Forestry studies, 61, 47–68.
        • Lukasova, V., Lang, M., and Škvarenina, J. (2014). Seasonal changes on NDVI in relation to phenological phases, LAI and PAI of beech forests. Baltic Forestry, 20(2): 248-262. http://www.balticforestry.mi.lt/bf/index.php?option=com_content&view=article&catid=14&id=371
        • Nilson, T., Voolma, K., Peterson, U., Lang, M. (2014). Okkalainelase kahjustuskolle Saaremaal Kihelkonnal Landsat-seeria piltidelt. Aan, A., Narusk, K. (Toim.). Kaugseire Eestis 2014, Tallinn, Keskkonnaagentuur, 138-148.
        • Kuusk, A. (2014). Kaugseire radiomeetria. Aan, A., Narusk, K. (Toim.). Kaugseire Eestis 2014, Tallinn, Keskkonnaagentuur, 175-181.
        • Voolma, K., Nilson, T., Pilt, E. (2014). Okkalainelane Euroopas, Saaremaal ja satelliidipildil. Eesti Mets, 46(2), 38 - 43.
        • Niinemets, Ü., Keenan, T. F., and Hallik, L. (2014). Tansley review. A worldwide analysis of within-canopy variations in leaf structural, chemical and physiological traits across plant functional types. The New Phytologist, DOI: 10.1111/nph.13096, 21 pp.
        • Nilson, T., Lang, M. (2014). Application of regional NPP models: Optimum seasonal course of FAPAR/LAI. Global Vegetation Monitoring and Modeling, Avignon, Prantsusmaa, 02-07. February 2014.
        • Mõttus, M., Sulev, M., and Hallik, L. (2014). Seasonal course of the spectral properties of alder and birch leaves. IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 7, 6, 2496-2505.
        • Kuusk, A., Kuusk, J., and Lang, M. (2014). Modeling directional forest reflectance with the hybrid type forest reflectance model FRT. Remote Sensing of Environment, 149, 196-204.
        • Otto, J., Berveiller, D., Bréon, F.-M., Delpierre, N., Geppert, G., Granier, A., Jans, W., Knohl, A., Kuusk, A., Longdoz, B., Moors, E., Mund, M., Pinty, B., Schelhaas, M.-J., and Luyssaert, S. (2014). Forest summer albedo is sensitive to species and thinning: how should we account for this in Earth system models? Biogeosciences, 11, 2411-2427. http://www.biogeosciences.net/11/2411/2014/, doi:10.5194/bg-11-2411-2014. 
        • Kuusk, A., Kuusk, J., and Lang, M. (2014). Measured spectral bidirectional reflection properties of three mature hemiboreal forests. Agricultural and Forest Meteorology, 185, 14-19.
        • Zou, X., Mõttus, M., Tammeorg, P., Torres, C.L., Takala, T., Pisek, J., Mäkelä, P., Stoddard, F.L., and Pellikka, P. (2014). Photographic measurement of leaf angles in field crops. Agricultural and Forest Meteorology, 184, 137-146.

    2013

        • Mõistus, Marta; Lang, Mait; Sims, Allan (2013). Puittaimestiku kaardistamine aerolidari andmete põhjal metsana lisanduvatel aladel. Metsanduslikud uurimused | Forestry studies, 59, 45−5.

        • Arumäe, Tauri; Lang, Mait (2013). Puistu esimese rinde võrastiku alguse kõrguse hindamine lennukilidari mõõdistusandmete järgi. Metsanduslikud uurimused | Forestry studies, 58, 46−56.

        • Lang, Mait; Kodar, Ave; Arumäe, Tauri (2013). Restoration of above canopy reference hemispherical image from below canopy measurements for plant area index estimation in forests. Metsanduslikud uurimused | Forestry studies, 59, 13−27.
        • Lang, M., Traškovs, A., Gulbe, L. (2013). Assessment of NTSG MODIS NPP product for forests in Kurzeme region, Latvia. Metsanduslikud uurimused = Forestry studies, 58, 26-36.
        • Lang, M. (2013). A simple method for mapping woody plant cover in agricultural fields using airborne lidar. Metsanduslikud uurimused = Forestry studies, 58, 5-11.
        • Govind, A., Guyon, D., Rujean, J.-L., Yauschew-Raguenes, N., Kumari, J., Pisek, J., and Wigneron, J.-P. (2013). Effects of canopy architectural parameterizations on the modeling of radiative transfer mechanism. Ecological Modelling, 251, 114-126.
        • Pisek, J., Sonnentag, O., Richardson, A.D., and Mõttus, M. (2013). Is the spherical leaf inclination angle distribution a valid assumption for temperate and boreal broadleaf tree species? Agricultural and Forest Meteorology, 169, 186-194.
        • Pisek, J., Ryu, Y., Sprintsin, M., He, L., Oliphant, A., Korhonen, L., Kuusk, J., Kuusk, A., Bergstrom, R., Verrelst, J., and Alikas, K. (2013). Retrieving vegetation clumping index from Multi-angle Imaging SpectroRadiometer (MISR) data at 275 m resolution. Remote Sensing of Environment, 138, 126-133.
        • Pisek, J. and Oliphant, A.J. (2013). A note on the height variation of foliage clumping: comparison with remote sensing retrievals. Remote Sensing Letters, 4(4), 400-408.
        • Kallel, A. and Nilson, T. (2013). Revisiting the vegetation hot spot modeling: Case of Poisson/Binomial leaf distributions. Remote Sensing of Environment, 130, 188-204.
        • Kuusk, A., Lang, M., and Kuusk, J. (2013). Database of optical and structural data for the validation of forest radiative transfer models. In: Alexander A. Kokhanovsky (Editor), Radiative Transfer and Optical Properties of Atmosphere and Underlying Surface. Light Scattering Reviews 7. Springer, 109-148.

    2012

        • Lang, M., Arumäe, T. and Anniste, J. (2012). Lennukilidari ja spektraalse kaugseireandmestiku kasutamine metsa peamiste takseertunnuste hindamiseks Aegviidu katsealal. Metsanduslikud Uurimused (Forestry Studies), 56, 27-41.
        • Zibordi, G., Ruddick, K., Ansko, I., Moore, G., Kratzer, S., Icely, J., and Reinart, A. (2012). In situ determination of the remote sensing reflectance: An inter-comparison. Ocean Science, 8(4), 567-586.
        • Kuusk, J. and Kuusk, A. (2012). Reference panel for remote sensing studies at Järvselja, Estonia. In: M. Mõttus (Ed.) Finnish Remote Sensing Days 2012: book of abstracts, Helsinki, p. 21.
        • Kuusk, A., Kuusk, J., and Lang, M. (2012). BRF of forests. In: M. Mõttus (Ed.) Finnish Remote Sensing Days 2012: book of abstracts, Helsinki, p. 57.
        • Reinart, A., Kübarsepp, T., Ansko, I., Vendt, R., Kuusk, J. (2012). New baseline optical laboratory for calibration and characterization of remote sensing radiometers. Ocean Optics XXI Conference, Glasgow, Scotland, 8-12.10.2012. http://oceanopticsconference.org/extended_abstracts/extended_abstracts.zip.
        • Lang, M., Anniste, J., Lükk, T., Arumäe, T.. (2012). Forestry database update in Aegviidu test site, Estonia, using multi source kNN. ForestSat2012, Oregon State University, Corvallis, Oregon, USA. 11-14. september, 2012.
        • Кардаков А.А., Кивисте А.К., Петерсон У.К. (2012). Формирование яркостных значений восстанавливающихся сплошных рубок на зимних изображениях среднего пространственного разрешения. Исследование Земли Из Космоса, 2012, № 6, с. 1–12.
        • Chen, J.M., Mo, G., Pisek, J., Liu, J., Deng, F., Ishizawa, M., and Chan, D. (2012). Effects of foliage clumping on the estimation of global terrestrial gross primary productivity. Global Biogeochemical Cycles, 26, GB1019.
        • Kuusk, A. (2012). Assessing forest parameters by radiative transfer modelling. Proc. IEEE International Geoscience and Remote Sensing Symposium IGARSS 2012, Remote Sensing for a Dynamic Earth. 22-27 July 2012 Munich, 7313-7316.
        • Peterson, U. (2012). Maastikumuutused maastike kaugseire tulemuste järgi. Eesti Keskkonnaseire 2007-2010, Keskkonnateabe Keskus, Tallinn, 81-84.
        • Nilson, T., Rautiainen, M., Pisek, J., and Peterson, U. (2012). Seasonal Reflectance Courses of Forests. In: Dr. Andrew A. Oteng-Amoako (Ed.), New Advances and Contributions to Forestry Research. InTech, 33-58.
          ISBN: 978-953-51-0529-9, Available from: 
          http://www.intechopen.com/books/new-advances-and-contributions-to-forestry-research/seasonal-reflectance-course-of-forests
        • He, L., Chen, J.M., Pisek, J., Schaaf, C.B., and Strahler, A.H. (2012). Global clumping index map derived from the MODIS BRDF product. Remote Sensing of Environment, 119, 118-130.
        • Nilson, T., Lang, M., Rautiainen, M., Pisek, J., Peterson, U., Kuusk, A., Kuusk, J., and Eenmäe, A. (2012). Time courses of reflectance for some forest types in Estonia. 1st EARSeL Workshop on Temporal Analysis of Satellite Images. Mykonos, Greece, May 23-25, 2012, 234-239. http://www.earsel.org/SIG/timeseries/pdf/proceedings/proceedings_032.pdf
        • Pisek, J., Rautiainen, M., Heiskanen, J., and Mõttus, M. (2012). Retrieval of seasonal dynamics of forest understory reflectance in a Northern European boreal forest from MODIS BRDF data. Remote Sensing of Environment, 117, 464-468-

    2011

        • Eenmäe, A., Nilson, T., and Lang, M. (2011). A note on meteorological variables related trends in the MODIS NPP product for Estonia. Metsanduslikud Uurimused (Forestry Studies), 55, 60-63.
        • Kodar, A., Lang, M., Arumäe, T., Pisek, J., Nilson, T. (2011). Metsa lehepinnaindeksi kaardistamine lennukilidari, satelliidipiltide ja maapealsete mõõtmiste abil Järvselja VALERI testalal. Metsanduslikud Uurimused (Forestry Studies), 55, 9-30.
        • Liira, J., Peterson, U. (2011) Kahe seisundi mõõtmisel moodustunud bimodaalse ühisjaotuse klassifitseerimine. Eesti Statistikaseltsi teabevihik, 21, 8-15.
        • Lang, M., Kardakov, A., Lükk, T., Arumäe, T., Korjus, H. (2011). Metsanduslik andmehõive ajas, ruumis ja pildis. Eesti Mets, 4, 6-12.
        • Kuusk, A., Lang, M., and Kuusk, J. (2011). Järvselja test site for forestry remote sensing studies. In: L. Halunová (Ed.), Remote Sensing and Geoinformation not only for Scientific Cooperation, Proc. 31st EARSeL Symposium, Prague, 30 May - 2 June 2011, 108-116. CD-ROM.
        • Kuusk, J. (2011). Measurement of forest reflectance. Top-of-canopy spectral reflectance of forests for developing vegetation radiative transfer models. Lambert Academic Publishing, Saarbrücken, Germany. 120 pp.
        • Huang, J., Zeng, Y., Kuusk, A., Wu, B., Dong, L., Mao, K., and Chen, J. (2011). Inverting a forest canopy reflectance model to retrieve the overstorey and understorey leaf area index for forest stands. International Journal of Remote Sensing, 32(22), 7591-7611.
        • Kuusk, J. (2011). Measurement of top-of-canopy spectral reflectance of forests for developing vegetation radiative transfer models. Dissertationes Physicae Universitatis Tartuensis, 77. Tartu University Press, 130 pp.
        • Nilson, T., Kuusk, A., Lang, M., Pisek, J., and Kodar, A. (2011). Simulation of statistical characteristics of gap distribution in forest stands. Agricultural and Forest Meteorology, 151(7), 895-905.
        • Pisek, J., Ryu, Y., and Alikas, K. (2011). Estimating leaf inclination and G-function from leveled digital camera photography in broadleaf canopies. Trees, 25, 919-924.
        • Paavel, B., Arst, H., Metsamaa, L., Toming, K., Reinart, A. (2011). Optical investigations of CDOM-rich coastal waters in Pärnu Bay. Estonian Journal of Earth Sciences, 60(2), 102-112.
        • Pisek, J., Chen, J.M., and Nilson, T. (2011). Estimation of vegetation clumping index using MODIS BRDF data. International Journal of Remote Sensing, 32(9), 2645–2657.
        • Kuusk, J. (2011). Dark signal temperature dependence correction method for miniature spectrometer modules. Journal of Sensors, V. 2011, Article 608157, 9 pp., doi:10.1155/2011/608157. Veebis aadressil http://www.hindawi.com/journals/js/2011/608157/.
        • Pisek, J., Lang, M., Nilson, T., Korhonen, L., and Karu, H. (2011). Comparison of methods for measuring gap size distribution and canopy nonrandomness at Järvselja RAMI (RAdiation transfer Model Intercomparison) test sites. Agricultural and Forest Meteorology, 151(3), 365-377.

    2010

        • Lang, M. (2010). Metsa katvuse ja liituse hindamine lennukilt laserskanneriga. Metsanduslikud Uurimused (Forestry Studies), 52, 5-17.
        • Liira, J., Feldmann, T., Mäemets, H., and Peterson, U. (2010). Two decades of macrophyte expansion on the shores of a large shallow northern temperate lake - A retrospective series of satellite images. Aquatic Botany, 93, 207-215.
        • Kuusk, A., Kuusk, J., Lang, M., and Lükk, T. (2010). Vicarious calibration of the PROBA/CHRIS imaging spectrometer. The Photogrammetric Journal of Finland, 22(1), 46-59.
        • Kuusk, A., Nilson, T., Kuusk, J., and Lang, M. (2010). Reflectance spectra of RAMI forest stands in Estonia: Simulations and measurements. Remote Sensing of Environment, 114(12), 2962-2969.
        • Alikas, K., Kangro, K., and Reinart, A. (2010). Detecting cyanobacterial blooms in large North European lakes using the Maximum Chlorophyll Index. Oceanologia, 52(2), 237-257.
        • Kallel, A. (2010) Vegetation radiative transfer modeling based on virtual flux decomposition. Journal of Quantitative Spectroscopy & Radiative Transfer 111(10), 1389-1405.
        • Ryu, Y., Nilson, T., Kobayashi, H., Sonnentag, O., Law, B.E., and Baldocchi, D.D. (2010). On the correct estimation of effective leaf area index: Does it reveal information on clumping effects? Agricultural and Forest Meteorology, 150(3), 463-472.
        • Pisek, J., Chen, J.M., Alikas, K., and Deng, F. (2010). Impacts of including forest understory brightness and foliage clumping information from multiangular measurements on leaf area index mapping over North America. Journal of Geophysical Research, 115, G03023, doi:10.1029/2009JG001138.
        • Pisek, J., Chen, J.M., Lacaze, R., Sonnentag, O., and Alikas, K. (2010). Expanding global mapping of foliage clumping index with multi-angular POLDER 3 measurements: evaluation and topographic compensation. ISPRS Journal of Photogrammetry and Remote Sensing, 65(4), 341-346.
        • Kuusk, J. and Kuusk, A. (2010). Autonomous lightweight airborne spectrometers for ground reflectance measurements. 2nd Workshop on Hyperspectral Image and Signal Processing: Evolution in Remote Sensing (WHISPERS 2010), Reykjavik, Iceland, June 2010. CD-ROM, 4 pp.
        • Kuusk, A., Kuusk, J., Lang, M., and Nilson, T. (2010). Reflectance spectra of RAMI stands in Estonia. 2nd Workshop on Hyperspectral Image and Signal Processing: Evolution in Remote Sensing (WHISPERS 2010), Reykjavik, Iceland, June 2010. CD-ROM, 4 pp.
        • Simic, A., Chen, J.M., Freemantle, J.R., Miller, J.R., and Pisek, J. (2010). Improving clumping and LAI algorithms based on multiangle airborne imagery and ground measurements. IEEE Transactions on Geoscience and Remote Sensing, 48(4), 1742-1759.
        • Mänd, P., Hallik, L., Peñuelas, J., Nilson, T., Duce, P., Emmett, B.A., Beier, C., Estiarte, M., Garadnai, J., Kalapos, T., Schmidt, I.K., Kovács-Láng, E., Prieto, P., Tietema, A., Westerveld, J.W., and Kull, O. (2010) Responses of the reflectance indices PRI and NDVI to experimental warming and drought in European shrublands along a north–south climatic gradient. Remote Sensing of Environment, 114(3), 626-636.
        • Kuusk, J., Kuusk, A., Lang, M., and Kallis, A. (2010) Hyperspectral reflectance of boreo-nemoral forests in a dry and normal summer. International Journal of Remote Sensing, 31(1), 159-175.
        • Ryu, Y., Sonnentag, O., Nilson, T., Vargas, R., Kobayashi, H., Wenk, R., and Baldocchi, D.D. (2010). How to quantify tree leaf area index in an open savanna ecosystem: A multi-instrument and multi-model approach. Agricultural and Forest Meteorology, 150(1), 63-76.
        • Lang, M., Kuusk, A., Mõttus, M., Rautiainen, M., and Nilson, T. (2010). Canopy gap fraction estimation from digital hemispherical images using sky radiance models and a linear conversion method. Agricultural and Forest Meteorology, 150(1), 20-29.
        • Pisek, J., Chen, J.M., Miller, J.R., Freemantle, J.R., Peltoniemi, J.I., and Simic, A. (2010). Mapping forest background reflectance in a boreal region using Multiangle Compact Airborne Spectrographic Imager data. IEEE Transactions on Geoscience and Remote Sensing, 48(1), 499-510.

    2009

        • Hallik, L., Kull, O., Nilson, T., and Peñuelas, J. (2009). Spectral reflectance of multispecies herbaceous and moss canopies in the boreal forest understory and open field. Canadian Journal of Remote Sensing, 35(5), 474-485.
        • Kardakov, A., Kiviste, A. and Peterson, U. (2009). Assessment of driving factors affecting radiance changes in regenerating mixed forest clearcuts using Landsat winter imagery. Baltic Forestry, 15(2), 216-225.
        • Pisek, J. and Chen, J.M. (2009). Mapping forest background reflectivity over North America with Multi-angle Imaging SpectroRadiometer (MISR) data. Remote Sensing of Environment, 113, 2412-2423.
        • Kuusk, A., Kuusk, J., and Lang, M. (2009). A dataset for the validation of reflectance models. Imaging Spectroscopy: Innovative tool for scientific and commercial environmental applications, Proc. 6th EARSeL SIG IS workshop, 16-19 March 2009, Tel-Aviv (CD-ROM), 11 pp.
        • Metsamaa, L., Reinart, A., Alikas, K., Kutser, T., Jaanus, A. (2009). Accordance of MERIS Standard Products over the Gulf of Finland to the Parameters Measured Under Regular Monitoring Program. Innovations in Remote Sensing and Photogrammetry, Jones, Simon; Reinke, Karin (Eds.), Springer, 443-454.
        • Mõttus, M. and Rautiainen, M. (2009). Direct retrieval of the shape of leaf spectral albedo from multiangular hyperspectral Earth Observation data. Remote Sensing of Environment, 113(9), 1799-1807.
        • Lang, M. (2009). Digitaalkaamera piltide kasutamine metsa struktuuriparameetrite hindamiseks. Kogumikus: Belials, V., (Toim.). Luua Metsanduskool. Artiklid ja uurimused VIII, Halo Kirjastus, Tartu, 25-20.
        • Kuusk, A., Kuusk, J., and Lang, M. (2009) A dataset for the validation of reflectance models. Remote Sensing of Environment, 113(5), 889-892.
        • Arst, H. and Reinart, A. (2009) Application of optical classifications to North Europen lakes. Aquatic Ecology, 43(4), 789-801.
        • Rautiainen, M., Nilson, T., and Lükk, T. (2009) Seasonal reflectance trends of hemiboreal birch forests. Remote Sensing of Environment, 113(4), 805-815.
        • Rautiainen, M., Mõttus, M., and Stenberg, P. (2009) On the relationship of canopy LAI and photon recollision probability in boreal forests. Remote Sensing of Environment, 113(2), 458-461.

    2008

        • Alikas, K., Ansko, I., Reinart, Anu, Lill, E., Valdmets, K. (2008) Testing available MERIS image processors for lakes. In: 2nd MERIS - (A)ATSR Workshop Proceedings: ESA SP-666 (CD-ROM).
        • Kodar, A., Kutsar, R., Lang, M., Lükk, T., and Nilson, T. (2008) Leaf area indices of forest canopies from optical measurements. Baltic Forestry, 14(2), 185-194.
        • Буденкова Ю. А. (2008) Факторы, влияющие на точность определения площади сплошной рубки с зимних спутниковых снимков среднего разрешения. Исследование Земли из Космоса 6, 25-33.
        • Budenkova, J. (2008) Keskmise ruumilise lahutusega talvistelt satelliidipiltidelt tehtavate lageraiealade pindalahinnangute täpsust mõjutavad faktorid. Metsanduslikud Uurimused, 48, 17-29.
        • Kuusk, A., Lang, M., Kuusk, J., Lükk, T., Nilson, T., Mõttus, M., Rautiainen, M., Eenmäe, A. (2008) Database of Optical and Structural Data for the Validation of Radiative Transfer Models. Technical Report. Tartu Observatory. 53 pp. Available on-line at http://www.aai.ee/bgf/jarvselja_db/jarvselja_db.pdf.
        • Peterson, U., Eerme, K., Lang, M., Nilson, T., Kuusk, A., Väljataga, K. (2008) Kaugseire koht ja tähendus loodusandmete kogumises ning andmetöötluses. Artiklikogumikus Väljataga, K., Kaukver, K., toimetajad, Kaugseire Eestis, Tartu Observatoorium, Keskkonnaministeeriumi Info- ja Tehnokeskus, Tallinn, lk. 8-16.
        • Reinart, A. (2008) Valgusväli Peipsi järves. Kogumikus Haberman, J., Timm, T., Raukas, A. (Teadustoimetajad) Peipsi, Eesti Loodusfoto, Tartu, lk. 217-226.
        • Reinart, A., Kutser, T., Dišlis, T. (2008) Keskkonna ja turvalisuse globaalse seire (GMES) teenused. Artiklikogumikus Väljataga, K., Kaukver, K., toimetajad, Kaugseire Eestis, Tartu Observatoorium, Keskkonnaministeeriumi Info- ja Tehnokeskus, Tallinn, lk. 17-33.
        • Kuusk, J., Kuusk, A. (2008) Mehitamata õhusõidukid kaugseires. Artiklikogumikus Väljataga, K., Kaukver, K., toimetajad, Kaugseire Eestis, Tartu Observatoorium, Keskkonnaministeeriumi Info- ja Tehnokeskus, Tallinn, lk. 41-47.
        • Peterson, U., Liira, J., Püssa, K. (2008) Metsaga alade ning lageraiete ja nendega sarnaste häiringute kaugseire. Artiklikogumikus Väljataga, K., Kaukver, K., toimetajad, Kaugseire Eestis, Tartu Observatoorium, Keskkonnaministeeriumi Info- ja Tehnokeskus, Tallinn, lk. 48-68.
        • Nilson, T., Lang, M., Lükk, T., Eenmäe, A. (2008) Metsade produktiivsuse kaugseire. Artiklikogumikus Väljataga, K., Kaukver, K., toimetajad, Kaugseire Eestis, Tartu Observatoorium, Keskkonnaministeeriumi Info- ja Tehnokeskus, Tallinn, lk. 78-90.
        • Kärdi, T. (2008) Vettpidava pinna suhtelise paiknemise kaardistamine spektrisegu lineaarse lahutamise meetodiga Tartu linna näitel. Artiklikogumikus Väljataga, K., Kaukver, K., toimetajad, Kaugseire Eestis, Tartu Observatoorium, Keskkonnaministeeriumi Info- ja Tehnokeskus, Tallinn, lk. 123-131.
        • Alikas, K., Reinart, Anu (2008) Kaugseire kasutamise võimalused siseveekogude seireks. Artiklikogumikus Väljataga, K., Kaukver, K., toimetajad, Kaugseire Eestis, Tartu Observatoorium, Keskkonnaministeeriumi Info- ja Tehnokeskus, Tallinn, lk. 174-186.
        • Reinart, Anu, Kärbla, V., Okulov, O. (2008) Peipsi järve veepinna temperatuuri määramine MODIS sensori abil. Artiklikogumikus Väljataga, K., Kaukver, K., toimetajad, Kaugseire Eestis, Tartu Observatoorium, Keskkonnaministeeriumi Info- ja Tehnokeskus, Tallinn, lk. 187-194.
        • Kuusk, A., Kuusk, J., and Lang, M. (2008) A dataset for the validation of reflectance models. Proc. 'The 4S Symposium - Small Satellites Systems and Services', 26-30 May 2008 Rhodes, Greece, ESA SP-660, 10 pp.
        • Nilson, T., Suviste, S., Lükk, T., and Eenmäe, A. (2008) Seasonal reflectance course of some forest types in Estonia from a series of Landsat TM and SPOT images and via simulation. International Journal of Remote Sensing, 29(17-18), 5073–5091.
        • Stenberg, P., Mõttus, M., and Rautiainen, M. (2008) Modeling the spectral signatures of forests: Applications of remote sensing models to coniferous canopies. In: S. Liang, Ed., Advances in Land Remote Sensing. System, Modeling, Inversion and Application, Springer, 147-171.
        • Rautiainen, M., Mõttus, M., Stenberg, P., and Ervasti, S. (2008) Crown envelope shape measurements and models. Silva Fennica, 42(1), 19-33.
        • Rautiainen, M., Lang, M., Mõttus, M., Kuusk, A., Nilson, T., Kuusk, J., and Lükk, T. (2008) Multi-angular reflectance properties of a hemiboreal forest: an analysis using CHRIS PROBA data. Remote Sensing of Environment, 112, 2627-2642.
        • Mõttus, M. and Stenberg, P. (2008) A simple parameterization of canopy reflectance using photon recollision probability. Remote Sensing of Environment, 112(4), 1545-1551.
        • Alikas, K. and Reinart, A. (2008) Validation of the MERIS products on large european lakes: Peipsi, Vänern and Vättern. Hydrobiologia, 599, 161-168.
        • Paavel, B., Arst, H., and Reinart, A. (2008) Variability of bio-optical parameters in two North-European large lakes. Hydrobiologia, 599, 201-211.
        • Nõges, P., Kangur, K., Nõges, T., Simola, H., Reinart, A., and Viljanen, M. (2008) Highlights of large lake research and management in Europe. Hydrobiologia, 599, 259-276.
        • Arst, H., Erm, A., Herlevi, A., Kutser, T., Leppäranta, M., Reinart, A., and Virta, J. (2008) Optical properties of boreal lake waters in Finland and Estonia. Boreal Environment Research, 13(2), 133-158.
        • Reinart, A. and Pedusaar, T. (2008) Reconstruction of the time series of the underwater light climate in a shallow turbid lake. Aquatic Ecology, 42(1), 5-15.
        • Reinart, A. and Reinhold, M. (2008) Mapping surface temperature in large lakes with MODIS data. Remote Sensing of Environment, 112(2), 603-611.
        • Kuusk, A., Nilson, T., Paas, M., Lang, M., and Kuusk, J. (2008) Validation of the forest radiative transfer model FRT. Remote Sensing of Environment, 112, 51-58.

    2007

        • Nilson, T., Lang, M. (2007) Kvantitatiivne kaugseire pakub tulevikuvõimalusi. Eesti Mets, 4, 22-24.
        • Suviste, S., Nilson, T., Lükk, T. and Eenmäe, A. (2007) Seasonal reflectance course of some forest types in Estonia from multi-year LANDSAT TM and SPOT images and via simulation. Proceedings of Multi Temp 2007, 18-20 July, Leuven, Belgium, eds: G.J.M. De Lannoy, R. Hoeben, N.E.C. Verhoest, W.W. Verstraeten, S. Bruneel, P. Coppin, CD-ROM by Katholike Universitet Leuven, 5 pp.
        • Peterson, U., Liira, J., and Mander, Ü. (2007) Magnitude and distance of edge influence at anthropogenically created forest edges on very high resolution IKONOS satellite images. Abstracts of a Scientific workshop: Forestsat2007, Forests and Remote Sensing. Methods and Operational Tools, Montpellier, France, November 5-7, 2007, 80.
        • Reusen, I., Holzwarth, S., Nieke, J., Kooistra, L., Malthus, T., Chabrillat, S., Kaufmann, H., Gomez-Sanchez, J.-A., Homolova, L., Itten, K., Malenovsky, Z., Meuleman, K., de Miguel, E., Mõttus, M., Mueller, A., Pellikka, P., and Schaepman, M. (2007) Towards an improved access to hyperspectral data across Europe (HYRESSA). Proceedings 5th EARSeL Workshop on Imaging Spectroscopy. Bruges, Belgium, April 23-25 2007.
        • Reinart, A., Reinhold, M.,, and Kärbla, V. (2007) MODIS-derived water temperatures over large European lakes. 32nd Proceedings of the International Symposium on Remote Sensing of Environment “Sustainable Development Through Global Earth Observations” June 25-29, 2007, – San Jose, Costa Rica. 4 pp. CD_ROM.
        • Lang, M. and Kurvits, V. (2007) Restoration of tree crown shape for canopy cover estimation. Forestry Studies, 46, 23-34.
        • Rautiainen, M., Suomalainen, J., Mõttus, M., Stenberg, P., Voipio, P., Peltoniemi, J., and Manninen, T. (2007) Coupling forest canopy and understory reflectance in the Arctic latitudes of Finland. Remote Sensing of Environment, 110, 332-343.
        • Mõttus, M. (2007) Photon recollision probability in discrete crown canopies. Remote Sensing of Environment, 110, 176-185.
        • Lang, M., Nilson, T., Kuusk, A., Kiviste, A., and Hordo, M. (2007) The performance of foliage mass and crown radius models in forming the input of a forest reflectance model: A test on forest growth sample plots and Landsat 7 ETM+ images. Remote Sensing of Environment, 110, 445-457.
        • Reinart, A., Ohvril, H., Alikas, K., Ibrus, P., Teral, H., Valdmets, K., and Okulov, O. (2007) MERIS products over large european lakes - comparison with measured data about aerosol and water quality. Proc. ‘Envisat Symposium 2007’, Montreux, Switzerland 23–27 April 2007, ESA SP-636, July 2007, 6 pp.
        • Kuusk, A., Kuusk, J., Lang, M., Lükk, T., and Nilson, T. (2007) Hyperspectral reflectance of sub-boreal forests measured by CHRIS/PROBA and airborne spectrometer. Proc. ‘Envisat Symposium 2007’, Montreux, Switzerland 23–27 April 2007, ESA SP-636, July 2007, 6 pp.
        • Peterson, U., Budenkova, J., Kiviste, A., and Liira, J. (2007) Forest clearcut areas in the eastern baltic region estimated with a time series of satellite images. In: Proceedings of the IV International Conference "Aerospace methods and GIS-technologies in forestry and forest management", Moscow, Russia, April 17-19. 2007, 117-118.
        • Widlowski, J.-L., Taberner, M., Pinty, B., Bruniquel-Pinel, V., Disney, M., Fernandes, R., Gastellu-Etchegorry, J.-P., Gobron, N., Kuusk, A., Lavergne, T., Leblanc, S., Lewis, P.E., Martin, E., Mõttus, M., North, P.R.J., Qin, W., Robustelli, M., Rochdi, N., Ruiloba, R., Soler, C., Thompson, R., Verhoef, W., Verstraete, M.M., and Xie, D. (2007) Third radiation transfer model intercomparison (RAMI) exercise: Documenting progress in canopy reflectance models. Journal of Geophysical Research, 112(D09111), doi:10.1029/2006JD007821.
        • Nilson, T., Lükk, T., Suviste, S., Kadarik, H., and Eenmäe, A. (2007) Calibration of time series of satellite images to study the seasonal course of forest reflectance. Proc. Estonian Acad. Sci. Biol. Ecol., 56(1), 5-18.
        • Mõttus, M., Stenberg, P., and Rautiainen, M. (2007) Photon recollision probability in heterogeneous forest canopies: Compatibility with a hybrid GO model. Journal of Geophysical Research - Atmospheres, 112(D03104), doi:10.1029/2006JD007445.
        • Eklundh, L., Jönsson, P., and Kuusk, A. (2007) Investigating modelled and observed Terra/MODIS 500-m reflectance data for viewing and illumination effects. Advances in Space Research, 39(1), 119–124.
        • Kuusk, A. and Paas, M. (2007) Radiometric correction of hemispherical images. ISPRS Journal of Photogrammetry & Remote Sensing, 61(6), 405-413.

    2006

        • Rautiainen M., Mõttus, M., Stenberg P. (2006) Physically-based parameterization of the reflectance of coniferous stands. In: Proceedings International Workshop 3D Remote Sensing in Forestry Vienna, 14th-15th Feb. 2006: 3D Remote Sensing in Forestry, eds. T. Koukal and W. Schneider, 141-144.
        • Rautiainen, M., Stenberg, P., Mõttus, M. (2006) Lehtialaindeksin kaukokartoituksesta. Metsätieteen aikakauskirja - Folia Forestalia, 3, 411-415.
        • Mõttus, M., Sulev, M., and Lang, M. (2006) Estimation of crown volume for a geometric radiation model from detailed measurements of tree structure. Ecological Modelling, 198(3-4), 506-514.
        • Wang, K., Leppäranta, M., and Reinart, A. (2006) Modeling ice dynamics in Lake Peipsi. Verhandlungen Internationale Vereingung der Limnologie, 29, 1443-1446.
        • Reinart, A. and Pärn, O. (2006) Ice conditions of a large shallow lake (Lake Peipsi) determined by observations, an ice model, and satellite images. Proceedings of the Estonian Academy of Sciences. Biology, Ecology, 55(3), 243-261.
        • Metsamaa, L., Kutser, T., Reinart, A., and Alikas, K. (2006) Evaluation of the MERIS algal products in optically complex waters. Proceedings of 13th Australasian Remote Sensing and Photogrammetry Conference, 1-4.
        • Lang, M., Jürjo, M., Adermann, V., and Korjus, H. (2006) Integrated approach for quantitative assessment of illegal forest fellings in Estonia. Baltic Forestry, 12(1), 103-109.
        • Nilson, T., Suviste, S., Lükk, T., and Eenmäe, A. (2006) Seasonal reflectance course of some forest types in Estonia as determined from a series of Landsat TM and SPOT images and via simulation. 2nd International Symposium Recent Advances in Quantitative Remote Sensing, 25/29 September 2006,Torrent (Valencia) Spain, Abstract Book, 70-71.
        • Peterson, U., Liira, J., Budenkova, J., and Kiviste, A. (2006) Forest cover changes since mid-1980s in the Eastern Baltic Region, evaluated with multitemporal Landsat imagery. Patterns and Processes in Forest Landscapes. Consequences of human management. Proceedings of the 4th Meeting of IUFRO Working party 8.10.03, Sept. 26-29, 2006, Locorotondo, Bari, Italy. Ed. Raffaele Lafortezza and Giovanni Sanesi. Academia Italiana di Science Forestali, Firenze, 393-397.
        • Eriksson, H.M., Eklundh, L., Kuusk, A., and Nilson, T. (2006) Impact of understory vegetation on forest canopy reflectance and remotely sensed LAI estimates. Remote Sensing of Environment 103(4), 408-418.
        • Liira, J., Püssa, K., and Peterson, U. (2006) The radiance contrast of forest-to-clearcut edges on a medium resolution Landsat Enhanced Thematic Mapper satellite winter image. International Journal of Remote Sensing, 27(13), 2753-2766.
        • Reinart, A. and Kutser, T. (2006) Comparison of different satellite sensors in detecting cyanobacterial bloom events in the Baltic Sea. Remote Sensing of Environment, 102(1-2), 74-85.
        • Mõttus, M. and Sulev, M. (2006) Radiation fluxes and canopy transmittance: Models and measurements inside a willow canopy. Journal of Geophysical Research, 111(D02109): doi: 10.1029/2005JD005932.
        • Paavel, B., Arst, H., Reinart, A., and Herlevi, A. (2006) Model calculations of diffuse attenuation coefficient spectra in lake waters. Proc. Estonian Acad. Sci, Biology, Ecology, 55(1), 61-81.
        • Arst, H., Erm, A., Leppäranta, M., and Reinart, A. (2006) Radiative characteristics of ice-covered freshwater and brackish water bodies. Proc. Estonian Acad. Sci. Geology, 3-24.

    2005

        • Püssa, K., Liira, J., and Peterson, U. (2005) The effects of successional age and forest site type on radiance of forest clear-cut communities. Scandinavian Journal of Forest Research, 20(Suppl 6), 79-87.
        • Rautiainen, M., Stenberg, P., and Nilson, T. (2005) Estimating canopy cover in Scots pine stands. Silva Fennica, 39(1), 137-142.
        • Lang, M., Lükk, T., Rähn, A., Sims, A. (2005) Kasvukäiguproovitükkide kaugseire võimalusi. Metsanduslikud Uurimused (Forestry Studies), 43, 24-37.
        • Lang, M., Sims, A., Nilson, T., Lükk, T. (2005) Lehe- ja okkamassi mudelite võrdlus kasvukäigupüsiproovitükkide andmetel metsa heleduse mudeli abil. Metsanduslikud Uurimused (Forestry Studies), 43, 38-48.
        • Kutser, T., Pierson, D., Kallio, K., Reinart, A., and Sobek, S. (2005) Mapping lake CDOM by satellite remote sensing. Remote Sensing of Environment, 94(4), 534-540.
        • Kutser, T., Pierson, D., Tranvik, L., Reinart, A., Sobek, S., and Kallio, K. (2005) Using satellite remote sensing to estimate the colored dissolved organic matter absorption coefficient in lakes. Ecosystems, 8, 709-720.
        • Reinart, A., Arst, H., and Pierson, D. (2005) Optical properties and light climate in Lake Verevi. Hydrobiologia, 547, 41-49.
        • Reinart, A. and Pierson, D. (2005) Water quality monitoring of large European lakes using MERIS full resolution data. Proc. the 2004 Envisat & ERS Symposium, SP-572- April, 2005, ESA Publication Divison, CD-ROM.
        • Reinart, A. and Kutser, T. (2005) Quantitative detection of cyanobacterial blooms by ocean colour sensors. Proc. 8th Conference on Remote Sensing for Marine and Coastal Environments, Halifax, Canada.
        • Reinart, A. (2005) Kuidas tehiskaaslaste abil veekogusid uuritakse. Eesti Loodus, 2, 12-18.
        • Reinart, A. (2005) Päikesekiirgus peegeldub veepinnalt. Universum valguses ja vihmas, koostanud R. Veskimäe ja U. Veismann, OÜ Reves Grupp, Tallinn, 2005, 99-109.
        • Peterson, U., Liira, J., and Püssa, K. (2005) Rates and patterns of forest cover change since mid-1980s in the Eastern Baltic region, evaluated with multitemporal Landsat imagery. Proc. ForestSat 2005 in Borås May 31 - June 3. Ed. Håkan Olsson, SLU Umeå. Rapport 8c, 18-22. Available online at: http://www.svo.se/forestsat2005 .
        • Lang, M., Nilson, T., Kuusk, A., Kiviste, A., and Hordo, M. (2005) The performance of different leaf mass and crown diameter models in forming the input of a forest reflectance model: A test on forest growth sample plots and Landsat ETM images. Proc. ForestSat 2005. Borås, Sweden, May 31 - June 3. Ed. Håkan Olsson, SLU Umeå. Report 8b, 41-46. Available online at: http://www.svo.se/forestsat2005 .
        • Püssa, K., Liira, J., and Peterson, U. (2005) Transitional and abrupt edges of forest to non-forest boundaries on medium resolution Landsat TM winter images. Proc. ForestSat 2005 in Borås May 31 - June 3. Ed. Håkan Olsson, SLU Umeå. Rapport 8a, 79-83. Available online at: http://www.svo.se/forestsat2005 .
        • Kuusk, A., Nilson, T., and Paas, M. (2005) Validation of the forest radiative transfer model. Proc. of the 9th International Symposium on Physical Measurements and Signatures in Remote Sensing (ISPMSRS 2005), IGSNRR, Beijing, China, 17-19 October 2005, ISPRS Working Groups - WG VII/1, Beijing, 452-454.
        • Huang, J., Wu, B., Zeng, Y., Tian, Y., and Kuusk, A. (2005) Retrieval of overstory and understory leaf area index in forest stands using forest canopy reflectance model. Proc. of the 9th International Symposium on Physical Measurements and Signatures in Remote Sensing (ISPMSRS 2005), IGSNRR, Beijing, China, 17-19 October 2005, ISPRS Working Groups - WG VII/1, Beijing, 554-556.
        • Kuusk, A., Lang, M., and Nilson, T. (2005) Forest test site at Järvselja, Estonia. Proc. of the Third Workshop CHRIS/Proba, 21-23 March 2005, Frascati, Italy, ESA Publication SP-593, 7 pp.

    2004

        • Peterson, U., Püssa, K., and Liira, J. (2004) Issues related to delineation of forest boundaries on Landsat Thematic Mapper winter images, International Journal of Remote Sensing, 25(24), 5617-5628.
        • Kuusk, A., Lang, M., and Nilson, T. (2004) Simulation of the reflectance of ground vegetation in sub-boreal forests, Agricultural and Forest Meteorology, 126(1-2), 33-46.
          Available on-line via ScienceDirect, http://authors.elsevier.com/sd/article/S0168192304001169 .
        • Nilson, T. and Kuusk, A. (2004) Improved algorithm for estimating canopy indices from gap fraction data in forest canopies, Agricultural and Forest Meteorology, 124(3-4), 157-169.
        • Pinty, B., Widlowski, J.-L., Taberner, M., Gobron, N., Verstraete, M. M., Disney, M., Gascon, F., Gastellu, J.-P., Jiang, L., Kuusk, A., Lewis, P., Li, X., Ni-Meister, W., Nilson, T., North, P., Qin, W., Su, L., Tang, S., Thompson, R., Verhoef, W., Wang, H., Wang, J., Yan, G., and Zang, H. (2004) Radiation Transfer Model Intercomparison (RAMI) exercise: Results from the second phase, J. Geophys. Res., 109(D6), D06210 10.1029/2003JD004252 25 March 2004.
        • Liang, S. Quantitative Remote Sensing of Land Surfaces. Wiley, 2004. 534 pp. The forest reflectance model FRT (Kuusk and Nilson, 2000) and the two-layer homogeneous CR model ACRM (Kuusk, 2001) are on the included CD-ROM.
        • Rautiainen, M., Stenberg, P., Nilson, T., and Kuusk, A. (2004) The effect of crown shape on the reflectance of coniferous stands, Remote Sensing of Environment, 89(1), 41-52.
        • Mõttus, M. (2004) Measurement and modelling of the vertical distribution of sunflecks, penumbra and umbra in willow coppice. Agricultural and Forest Meteorology, 121, 79-91.

    2003

        • Nilson, T., Kuusk, A., Lang, M., and Lükk, T. (2003) Forest reflectance modeling: Theoretical aspects and applications, Ambio, 32(8), 535-541.
        • Stenberg, P., Nilson, T., Smolander, H., and Voipio, P. (2003) Gap fraction based estimation of LAI in Scots pine stands subjected to experimental removal of branches and stems, Canadian Journal of Remote Sensing, 29(3), 363-370.
        • Rautiainen, M., Stenberg, P., Nilson, T., Kuusk, A., and Smolander, H. (2003) Application of a forest reflectance model in estimating leaf area of Scots pine stands using Landsat-7 ETM reflectance data, Canadian Journal of Remote Sensing, 29(3), 314-323.
        • Fang, H., Liang, S., and Kuusk, A. (2003) Retrieving leaf area index using a genetic algorithm with a canopy radiative transfer model, Remote Sensing of Environment, 85(3), 257-270.

    2002

        • Nilson, T. and Kuusk, A. (2002) Simulation of reflectance spectra in boreal coniferous forest, In: Ed. J.A. Sobrino, Recent Advances in Quantitative Remote Sensing, Proc. 1st International Symposium, 16-20 September 2002, Torrenta (Valencia) Spain, Publications de la Universitat de València, p. 31-38.
        • Nilson, T. and Kuusk, A. (2002) Simulation of reflectance spectra in boreal coniferous forest, Recent Advances in Quantitative Remote Sensing, 1st International Symposium, 16-20 September 2002, Torrenta (Valencia) Spain, Abstract Book, p. 24.
        • Gemmell, F., Varjo, J., Strandstrom, M., and Kuusk, A. (2002) Comparison of measured boreal forest characteristics with estimates from TM data and limited ancillary information using reflectance model inversion, Remote Sensing of Environment, 81(2-3), 365-377.
        • Kuusk, A., Nilson, T., and Paas, M. (2002) Angular distribution of radiation beneath forest canopies using a CCD-radiometer, Agricultural and Forest Meteorology, 110(4), 259-273.
        • Mõttus, M., Ross, J., and Ross, V. (2002) Shape and area of simple narrow leaves. Proceedings of the Estonian Academy of Sciences. Biology. Ecology, 51, 147-162.

    2001

        • Eklundh, L., Harrie, L., and Kuusk, A. (2001) Investigating relationships between Landsat ETM+ sensor data and leaf area index in a boreal conifer forest, Remote Sensing of Environment, 78(3), 239-251.
        • Nilson, T., Olsson, H., Anniste, J., Lükk, T., and Praks, J. (2001) Thinning-caused change in reflectance of ground vegetation in boreal forest, International Journal of Remote Sensing, 22(14), 2763-2776.
        • Peterson, U. and Püssa, K. (2001) Forest area and agricultural land use change in the Eastern Baltic region, IALE European Conference 2001, Development of European Landscapes, Conference Proceedings, Publicationes Instituti Geographici Universitatis Tartuensis, Ed by Ü. Mander et al., Tartu, 301-303.
        • Peterson, U. (2001) Eesti metsaressursside mõõtmine satelliidipiltidel, Taastuvate energiaallikate uurimine ja kasutamine. Teise konverentsi kogumik, toim. V. Tiit, Eesti Põllumajandusülikool, Tartu, 23-28.
        • Kuusk, A. (2001) A two-layer canopy reflectance model, J.Q.S.R.T., 71(1): 1-9.
          Available on-line via ScienceDirect, http://dx.doi.org/10.1016/S0022-4073(01)00007-3 .
        • Kuusk, A. and Nilson, T. (2001) Testing directional properties of a forest reflectance model, Journal of Geophysical Research - Atmospheres, 106(D11): 12011-12022.
        • Mõttus, M., Ross, J., and Sulev, M. (2001) Experimental study of ratio of PAR to direct solar radiation under cloudless conditions. Agricultural and Forest Meteorology, 109, 161-170.

    2000

        • Chen, J.M., Li, X., Nilson, T., and Strahler, A. (2000) Recent advances in geometrical optical modelling and its applications, Remote Sensing Reviews, 18(2-4): 227-262.
        • Nilson, T., Lang, M., Kuusk, A., Anniste, J., and Lükk, T. (2000) Forest reflectance model as an interface between satellite images and forestry databases, In: Zawila-Niedzwiecki, T. and Brach, M., Eds, EUR 19530 - Remote Sensing and Forest Monitoring, Luxembourg: Office for Official Publications of the European Communities, 462-476.
        • Kuusk, A. and Nilson, T. (2000) A directional multispectral forest reflectance model, Remote Sensing of Environment, 72(2), 244-252.
        • Ross, J. and Mõttus, M. (2000) Statistical treatment of sunfleck length inside willow coppice. Agricultural and Forest Meteorology , 104, 215-231.
        • Ross, J., Ross, V., and Koppel, A. (2000) A statistical interpolation method for estimation of canopy leaf area and its vertical distribution during the whole growth period. Application to willow plantation. Agricultural and Forest Meteorology, 101, 237-246.
        • Ross, J. and Mõttus, M. (2000) Statistical treatment of umbra length inside willow coppice. Agricultural and Forest Meteorology, 100, 89-102.
        • Ross, J. and Sulev, M. (2000) Sources of error in measurements of PAR. Agricultural and Forest Meteorology, 100, 103-109.
        • Sulev, M. and Ross, J. (2000) Experimental study of statistical characteristics of plant canopy radiation regime. In: Observing Land from Space, Customers and Technology, eds. M.M. Verstraete et al., Kluwer Acad. Publ. 187-200.
        • Sulev, M., Ross, J., and Maasik, E.-M. (2000) Instruments and methods for ground-level reference measurement of solar radiation albedo and net radiation. In: Observing Land from Space, Customers and Technology, eds. M.M. Verstraete et al., Kluwer Acad. Publ. 243-256.

    1999

        • Nilson, T. (1999) Inversion of gap frequency data in forest stands, Agricultural and Forest Meteorology, 98-99 (Special Issue), 437-448.
        • Nilson, T. Anniste, J. Lang, M., and Praks, J. (1999) Determination of needle area indices of coniferous forest canopies in the NOPEX region by ground-based optical measurements and satellite images, Agricultural and Forest Meteorology, 98-99 (Special Issue), 449-462.
        • Nilson, T., Kuusk, A., Anniste, J., and Praks, J. (1999) Forest ecosystem radiation model (FERM), Agricultural and Forest Meteorology, 98-99, Documented dataset on appended CD.
        • Kuusk, A. and Nilson, T. (1999) A directional multispectral forest reflectance model, 2nd International Workshop on Multiangular Measurements and Models, 15-17 September 1999, Ispra(VA), Italy, Abstracts, 21-22.
        • Kuusk, A., Baret, F., and Minghelly, A. (1999) Use of soil line for the atmospheric correction of satellite images, 2nd International Workshop on Multiangular Measurements and Models, 15-17 September 1999, Ispra(VA), Italy, Abstracts, p. 34.
        • Nilson, T., Kuusk, A., Lang, M., Lükk, T., Anniste, J., Peterson, U. (1999) Satelliidipiltidel baseeruva metsakorralduse alused, Pidev metsakorraldus, EPMÜ Metsandusteaduskonna toimetised, nr. 32, Tartu, 81-87.
        • Nilson, T., Kuusk, A., Anniste, J., Lang, M., and Lükk, T. (1999) Forest reflectance model as an interface between satellite images and forestry databases, Abstracts of the IUFRO Conference on Remote Sensing and Forest Monitoring, June 1-3, 1999, Rogow, Poland, IUFRO.
        • Nilson, T., Kuusk, A., and Leroy, M. (1999) A comparison of forest BDRF simulated by the forest reflectance model and determined by airborne POLDER for some BOREAS sites, Proceedings of ALPS99 Symposium, January 18-22, Méribel, CNES, 2, WK3-O-07, 1-4.
        • Ross, J. and Ross, V. (1999) Dynamical structure of the willow coppice (Salix viminalis) at Tõravere, Estonia, during the growth cycle 1994-1997. In: IUFRO Workshop on Canopy Dynamics and Forest Management - A Missing Link? Estonia, Finland and Sweden. Abstracts, 9-10.

    1998

        • Kuusk, A. (1998) Monitoring of vegetation parameters on large areas by the inversion of a canopy reflectance model, International Journal of Remote Sensing, 19(15): 2893-2905. ( Abstract).
        • Peterson, U., Aunap, R. ja Eilart, J. (1998) Eestimaa nähtuna kosmosest. Koolibri, Tallinn, 32 lk.
        • Peterson, U. and Aunap, R. (1998) Changes in agricultural land use in Estonia in the 1990s detected with multitemporal Landsat MSS imagery, Landscape and Urban Planning, 41, 193-201.
        • Peterson, U., Aunap, R. ja Eilart, J. (1998) Maakondade piirid maastikus, Eesti Loodus, 9, 416-417.
        • Peterson, U. ja Aunap, R. (1998) Kevadine suurvesi, Eesti Loodus, 4, 149-150.
        • Peterson, U., Aunap, R. ja Eilart, J. (1998) Metsad talvelõpu piltidel, Eesti Loodus, 3, 101-102.
        • Peterson, U., Aunap, R. ja Mardiste, H. (1998) Talvised jääolud rannikumerel, Eesti Loodus, 2, 84-86.
        • Peterson, U. ja Aunap, R. (1998) Värvid kosmosest oma valikul, Eesti Loodus, 1, 35-36.
        • Kuusk, A. (1998) Halode perekond, Horisont, Nr. 1, 35-37.
        • Ross, J. and Sulev, M. (1998) Statistical description of the architecture of a fast growing willow Coppice. Agricultural and Forest Meteorology, 91, 23-37.
        • Ross, J., Sulev, M., and Saarelaid, P. (1998) Statistical treatment of the PAR variability and its application to willow coppice. Agricultural and Forest Meteorology, 91, 1-21.

    1997

        • Kuusk, A. and Zhang, R. (1997) Monitoring of LAI and chlorophyll content by the inversion of a CR analytical model, J. of Remote Sensing (Science Press, Beijing), 1(Suppl.), 166-170. ( Abstract).
        • Zhang, R., Kuusk, A., Chen, G., Strahler, A.H., and Li, X. (1997) An inverting approach of BRDF for wheat in North China using NOAA-AVHRR image, J. of Remote Sensing (Science Press, Beijing), 1(Suppl.), 171-180.
        • Kuusk, A., Andrieu, B., Chelle, M., and Aries, F. (1997) Validation of a Markov chain canopy reflectance model, International Journal of Remote Sensing, 18(10), 2125-2146. ( Abstract).
        • Nilson, T. (1997) Metsanduslike andmebaaside, satelliidiülesvõtete, metsa heleduse ja kasvumudelite integreerimisest ühtsesse geoinfosüsteemi. EPMÜ Teadustööde kogumik, 189, Metsandus , 133-140.
        • Nilson, T. and Ross, J. (1997) Modeling radiative transfer through forest canopies: Implications for canopy photosynthesis and remote sensing. In: H. L. Gholz, K. Nakane, and H. Shimoda (Eds.), The Use of Remote Sensing in the Modeling of Forest Productivity, Kluwer, Dordrecht, 23-60.
        • Nilson, T. (1997) A BDRF model for forests, J. of Remote Sensing (Science Press, Beijing), 1(Suppl.), 77-81.
        • Peterson, U. and Aunap, R. (1997) Monitoring arable land dynamics in Estonia with Landsat data, GIS - Baltic Sea States'97, Exhibition, Conference, Tallinn, Estonia 13-15 November 1997, Abstracts. Ed. R. Vilu and H. Arumaa, Tallinn Technical University, 38.
        • Peterson, U., Aunap, R., Eilart, J. (1997) Eestimaa kosmosest vaadatuna, Eesti Loodus, 328, 8-9.
        • Ross, J. and Sulev, M. (1997) Radiative transfer in coniferous trees, J. of Remote Sensing (Science Press, Beijing), 1(Suppl.), 9-10.
        • Ross, J. (1997) Present status and perspectives of remote sensing of vegetation. Journal of Remote Sensing 1, Suppl., 1-2.
        • Ross, J. and Sulev, M. (1997) Experimental study of the statistical characteristics of the plant canopy radiation regime. In: Abstracts of the Workshop "Optical Remote Sensing of Terrestrial Surfaces: New Sensors, Advanced Algorithms, and the Opportunity for Novel Applications", Tuusula, Finland, 17-19 September 1997, Eds. J.I. Peltoniemi, M.M. Versraete, B. Pinty, 15.
        • Ross, J. and Sulev, M. (1997) Instruments and methods for the ground-level reference measurement of the reflected solar radiation, albedo and net radiation. In: Abstracts of the Workshop "Optical Remote Sensing of Terrestrial Surfaces: New Sensors, Advanced Algorithms, and the Opportunity for Novel Applications", Tuusula, Finland, 17-19 September 1997 , Eds. J.I. Peltoniemi, M.M. Versraete, B. Pinty, 26.

    1996

        • Kuusk, A. (1996) A computer-efficient plant canopy reflectance model, Computers & Geosciences, 22(2), 149-163. ( Abstract).
        • Peterson, U. and Aunap, R. (1996) Land use changes in Estonia in the nineties detected with multitemporal Landsat imagery. Perspectives of rural landscapes in Europe, Abstracts of IALE International Conference held in Pärnu 20-23 June 1996, (Eds. Ü. Mander and T. Oja), 48-49.
        • Peterson, U. and Roosalu, A. (1996) Causes and mechanisms of reflectance changes attributed to vegetation dynamics in northern temperate forest clearcut communities, Modelling regeneration success and early growth of forest stands. Proc IUFRO conference held in Copenhagen, 10-13 June 1996, Danish Forest and Landscape Research Institute, Copenhagen, 402.
        • Zhang, R., Kuusk, A., Chen, G., Strahler, A., and Li, X. (1996) A new quantitative way for determining leaf area index and net primary productivity in regional scale, The Journal of Chinese Geography, 6(4), 1-17. Nilson, T. and Stenberg, P. (1966) Theoretical aspects on radiation submodels used in forest growth models. In: P.Hari, J. Ross and M. Mecke, eds. Production Process of Scots Pine; Geographical Variation and Models. Acta Forestalia Fennica, 254, 39-48.
        • Ross J. and Sulev M. (1996) Radiative transfer in coniferous trees. International Workshop: Multiangular Remote Sensing: Measurements, Models, Applications, Beijing, 13-18 September 1996, Abstracts, 4-5.
        • Koppel, A., Muiste, P., Roostalu, H., Ross, J., and Tullus, H. (1996) Short rotation forestry in Estonia: challenging interface between agriculture and forestry. In: IALE International Conference: Perspectives of Rural Landscapes in Europe, Pärnu, 20-23 June 1996, Abstracts, 61-62.
        • Koppel, A., Perttu, K., and Ross, J. (1996) Estonian energy forest plantations - General information. In: Short Rotation Willow Coppice for Renewable Energy and Improved Environment. Proc. of a joint Swedish-Estonian seminar on Energy Forestry and Vegetation Filters, Tartu, 24-26 September 1995, Swedish Univ. Agric. Sci. Uppsala, Report 57, 15-24.
        • Ross, J., Koppel, A., and Roostalu, H. (1996) Kas pajuistandikel on Eestis perspektiivi energiametsana. - Põllumajandus 11, 15-19.
        • Ross, J. and Ross, V. (1996) Leaf and stem area and their vertical distribution in willow stands. In: Short Rotation Willow Coppice for Renewable Energy and Improved Environment. Proc. of a joint Swedish-Estonian seminar on Energy Forestry and Vegetation Filters, Tartu, 24-26 September 1995, Swedish Univ. Agric. Sci. Uppsala, Report 57, 33-50.
        • Ross, J., Ross, V., Sulev, M., Koppel, A., Kull, K., Noormets, A., Kirt, E., and Roostalu, H. (1996) Eesti- Rootsi koostöö energiametsa uurimisel. In: Mets ja Inimene, Teaduste Akadeemia Kirjastus, Tartu-Tln., 104-124.
        • Ross, J., Stenberg, P., Berniger, F., and Hari, P. (1996) The influence of shoot architecture on photosynthesis. Acta Forestalia Fennica 254, 33-38.
        • Sulev, M. and Ross, J. (1996) Conversion factor between global solar radiation and photosynthetic active radiation. In: Short Rotation Willow Coppice for Renewable Energy and Improved Environment. Proc. of a joint Swedish-Estonian seminar on Energy Forestry and Vegetation Filters, Tartu, 24- 26 September 1995, Swedish Univ. Agric. Sci. Uppsala, Report 57, 115-121.
        • Ross, J., Sulev, M., and Saarelaid, P. (1996) Solar radiation measurements within the willow plantation at Tõravere. In: Short Rotation Willow Coppice for Renewable Energy and Improved Environment. Proc. of a joint Swedish-Estonian seminar on Energy Forestry and Vegetation Filters, Tartu, 24- 26 September 1995, Swedish Univ. Agric. Sci. Uppsala, Report 57, 123-132.
        • Ross, J. and Ross, V. (1996) Phytometrical characteristics of the willow plantation at Tõravere. In: Short Rotation Willow Coppice for Renewable Energy and Improved Environment. Proc. of a joint Swedish-Estonian seminar on Energy Forestry and Vegetation Filters, Tartu, 24-26 September 1995, Swedish Univ. Agric. Sci. Uppsala, Report 57, 133-145.

    1995

        • Kuusk, A. (1995) A Markov chain model of canopy reflectance, Agricultural and Forest Meteorology, 76(3-4), 221-236. ( Abstract).
        • Kuusk, A. (1995) A fast, invertible canopy reflectance model, Remote Sensing of Environment, 51(3), 342-350. ( Abstract).
        • Nilson, T., Kuusk, A., Joffre, R., Lacaze, B., Methy, M., and Peterson, U. (1995) Determination of forest ecosystem parameters by inversion of a forest reflectance model, Proc. Int. Coll. Photosynthesis and Remote Sensing, 28-30 Aug. 1995, Montpellier (France), EARSel, Paris & INRA, Avignon, 149-157. ( Abstract).
        • Nilson, T. and Olsson, H. (1995) Effect of thinning cutting on boreal forest reflectance: A comparison of simulations and Landsat TM estimates, International Journal of Remote Sensing, 16(15), 2963-2968.

    1994

        • Ross, J. and Sulev, M. (1994) Statistical characteristics of the radiation field inside the willow energy forest. In: Caring of the Forest: Research in a Changing World, Abstracts of Invited Papers. IUFRO XX World Congress, 6-12 August, 1995, Tampere, Finland, 29.
        • Kuusk, A. (1994) A multispectral canopy reflectance model, Remote Sensing of Environment, 50(2), 75-82. ( Abstract).
        • Kuusk, A. (1994) A multispectral canopy reflectance model, Proc. of the Sixth Int. Symp. Physical Measurements and Signatures in Remote Sensing, 1994, 691-698.
        • Nilson, T. and Peterson, U. (1994) Age Dependence of Forest Reflectance - Analysis of Main Driving Factors, Remote Sensing of Environment, 48(3), 319-331.
        • Nilson, T. (1994) Metsade kaugseire alused. Tartu, Eesti Metsaamet, Eesti Põllumajandusülikool, Metsakorralduse Instituut, 160 lk. (Metsanduslikud mudelid; 1); (in Estonian, Basis of forest remote sensing)
        • Ross, J., Koppel, A. (1994) Energiavõsa, bioenergia varud ja Eesti energiaprogrammi teoreetilised alused. "Energiavõsa kasvatamine ja kasutamine", Konverentsi materjalid, 28. veebr.-1. märts 1994, Tõravere. Eesti TA Zooloogia ja Botaanika Instituut, Tartu, 14-21.
        • Ross, J., Koppel, A. (1994) Energiametsa uurimise Eesti-Rootsi projekt. Riigi Energiaamet, Infoleht nr. 4, 10-11.
        • Ross, V. (1994) Phytometrical measurements of the structure of the willow forest. In: Willow Vegetation, Eds. P. Aronson, K. Perttu, Swedish Univ. Agric. Sci. Uppsala, Rep. 50, 199-204.
        • Sulev, M. (1994) Radiation regime measurements within the willow plantation. In: Willow Vegetation Filters for Municipal Wastewaters and Sludges. A Biological Purification. Proc. of a study tour, conference and workshop in Sweden, 5-10 June 1994, Eds. P. Aronson, K. Perttu, Swedish Univ. Agric. Sci. Uppsala, Rep. 50, 195-198.

    1993

        • Kuusk, A. (1993) Simulation of crop reflectance (including hot spot effect), In: C. Varlet-Grancher, R. Bonhomme, and H. Sinoquet (Eds.), Crop Structure and Light Microclimate: Characterization and Applications, INRA, Paris, 263-270.
        • Nilson, T. and Peterson, U. (1993) On the use of remote sensing in monitoring of forest development. In: Mander, Ü., Fenger, J., Oja, T., Mikk, M., eds. Energy, Environment, Natural Resources Management in the Baltic Sea Region. 4th Int. Conf. on System Analysis, Tallinn, Estonia, May 18-21, 1993. Nordiske Seminar Og Arbeidsrapporter 653, pp. 247-255.
        • Nilson, T. and Peterson, U. (1993) Temporal reflectance trajectories of forest communities in Estonia, Annual Report of the Estonian Academy of Sciences 1992, Tallinn, 16-17.
        • Nilson, T., Peterson, U., and Päivinen, R. (1993) Deviations in normal successional reflectance dynamics in northern temperate forests. Forest Resource Inventory and Monitoring and Remote Sensing Technology (G. Preto and B. Koch, Eds.), Proc. IUFRO Centennial Symp, Berlin 27.Aug - 02. Sept. 1992, Japan Society of Forest Planning Press, Tokyo, 151-160.
        • Peterson U. (1993) Studies on reflectance factor dynamics of forest communities in Estonia, Dissertationes geographicae Universitatis Tartuensis, Tartu, 2, 18 p.
        • Peterson, U. and Nilson, T. (1993) Successional reflectance trajectories in northern temperate forests, International Journal of Remote Sensing, 14, 609-613, 1993.
        • Ross, J., Kirt, E., and Koppel, A. (1993) Swedish-Estonian Energy Forest Project. In: 4th Int. Conf. System. Anal. Tallinn, Estonia. May 18-21., Eds. Ü. Mander, F. Jensen, T. Oja, M. Mikk. Copenhagen, 103-1043.

    1992

        • Goel, N.S. and Kuusk, A. (1992) Evaluation of one dimensional analytical models for vegetation canopies, Internatinal Space Year: Space Remote Sensing, Proc. of IGARSS'92, Houston, May 26-29, Houston, 1, 505-507.
        • Kanevski, V. and Ross, J. (1992) Laser remote sensing of vegetation, Advances in Bioclimatology, Springer, Heidelberg.
        • Kuusk, A. (1992) Remote determination of absorptance profiles in vegetation canopies, Proc. of Int. Radiation Symp. IRS'92, Tallinn, Estonia, 3-8 Aug. 1992, Valgus, Tallinn, 2, 203.
        • Kuusk, A. (1992) Absorption profiles of shortwave radiation in a vegetation canopy, Agricultural and Forest Meteorology, 62(3-4), 191-204. ( Abstract).
        • Kuusk, A. and Pajusalu, P. (1992) Field goniometer, Automation, Simulation & Measurement, 3rd Biennal Conf. ASM'91, Tallinn, Oct. 7-11, 1991, Tallinn Technical University, Section A: Automation, 70-74.
        • Nilson, T. (1992) Radiative transfer in nonhomogeneous plant canopies, Advances in Bioclimatology, Vol. 1, Springer-Verlag, 59-88.
        • Peterson, U. (1992) Seasonal reflectance factor dynamics in boreal forest clear-cut communities, International Journal of Remote Sensing, 13(4), 753-772.
        • Peterson, U. (1992) Reflectance Factor Dynamics of Boreal Forest Clear-Cut Communities During Early Secondary Succession, International Journal of Remote Sensing, 13(12), 2247-2262.
        • Ross, J. (1992) Remote sensing of vegetation, Abstracts II. International Radiation Symposium, Tallinn 1992, 219.
        • Ross, J., Knyazikhin, J., Kuusk, A., Marshak, A., and Nilson, T. (1992) Mathematical Modeling of the Solar Radiation Transfer in Plant Canopies, Gidrometeoizdat, St. Petersburg, 195 pp. (Russian)