Recent publications

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.

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.

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.

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.

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.

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.

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.

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.

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.

Rautiainen, M., Stenberg, P. and Nilson, T. 2005. Estimating canopy cover in Scots pine stands. Silva Fennica, 39 (1):137-142.

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.

Nilson, T. and Kuusk, A. 2004. Improved algorithm for estimating canopy indices from gap fraction data in forest canopies. Agricultural and Forest Meteorology, 124:157-169.

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.

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.

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.

Nilson, T. and Kuusk, A. 2002. Simulation of reflectance spectra in boreal coniferous forest. In: J.A. Sobrino (ed) Proceedings of the First International Symposium on Recent Advances in Quantitative Remote Sensing, Auditori de Torrent, Spain, 16-20 September 2002, Universitat de València, 31-38.

Kuusk, A., Nilson, T. and Paas, M. 2002. Angular distribution of radiation beneath forest canopies using a CCD-radiometer. Agricultural and Forest Meteorology, 110:259-273.

Nilson, T. 2001. Satelliidipildid ja metsandus. Tähetorni kalender 2002, Tõravere, 89-97. (in Estonian. Satellite images and forestry)

Kuusk, A. and Nilson, T. 2001. Testing directional properties of a forest reflectance model. J. Geophys. Res. - Atmospheres, 106(D11): 12011-12022.

Nilson, T., Olsson, H., Anniste, J., Lükk, T. and Praks, J. 2001.Thinning-caused change in reflectance of ground vegetation in boreal forest. Int. J. Remote Sensing, 22(14):2763-2776.

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, pp. 462-476.

Nilson, T. 2000. Academician Juhan Ross 75. Proceedings of the Estonian Academy of Sciences. Physics, Mathematics, 49(3):190-192.

Kuusk, A. and Nilson, T. 2000. A directional multispectral forest reflectance model. Remote Sensing of Environment, 72(2):244-252.

Nilson, T. 2000. On the use of satellite remote sensing in Estonian forestry and agriculture. Materials of Seminar 'Science to the Society', 3.12.1999. Estonian Academy of Sciences, Tallinn, pp. 5-10 (in Estonian).

Nilson, T. 2000. Kosmilise kaugseire rakendusvõimalusi Eesti metsanduses ja põllumajanduses. Eesti Teaduste Akadeemia seminari materjalid, 3.12.1999, Tallinn, 5-10 (in Estonian, On the use of satellite remote sensing in Estonian forestry and agriculture).