Tiit Nilson - Publications, H-index & Citations

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Tiit Nilson

University of Tartu

31H-index

97Paper Count

4.1KCitation Count

Published Papers 25

Publication Date

Digital photography for tracking the phenology of an evergreen conifer stand

AGRICULTURAL AND FOREST METEOROLOGY

IF5.7

2017-11-01

PREAI

Lang, Mait; Nilson, Tiit; Kuusk, Andres; Pisek, Jan; Korhonen, Lauri; Uri, Veiko

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Diffuse sky radiation influences the relationship between canopy PRI and shadow fraction

ISPRS JOURNAL OF PHOTOGRAMMETRY AND REMOTE SENSING

IF12.2

2015-07-01

OAAI

Mottus, Matti; Takala, Tuure L. H.; Stenberg, Pauline; Knyazikhin, Yuri; Yang, Bin; Nilson, Tiit

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Revisiting the vegetation hot spot modeling: Case of Poisson/Binomial leaf distributions

REMOTE SENSING OF ENVIRONMENT

IF11.4

2013-03-01

PREAI

Kallel, Abdelaziz; Nilson, Tiit

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Simulation of statistical characteristics of gap distribution in forest stands

AGRICULTURAL AND FOREST METEOROLOGY

IF5.7

2011-07-01

PREAI

Nilson, Tiit; Kuusk, Andres; Lang, Mait; Pisek, Jan; Kodar, Ave

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Estimation of vegetation clumping index using MODIS BRDF data

INTERNATIONAL JOURNAL OF REMOTE SENSING

IF2.6

2011-04-29

PREAI

Pisek, Jan; Chen, Jing Ming; Nilson, Tiit

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Comparison of methods for measuring gap size distribution and canopy nonrandomness at Jarvselja RAMI (RAdiation transfer Model Intercomparison) test sites

AGRICULTURAL AND FOREST METEOROLOGY

IF5.7

2011-03-01

PREAI

Pisek, Jan; Lang, Mait; Nilson, Tiit; Korhonen, Lauri; Karu, Helen

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Reflectance spectra of RAMI forest stands in Estonia: Simulations and measurements

REMOTE SENSING OF ENVIRONMENT

IF11.4

2010-12-15

PREAI

Kuusk, Andres; Nilson, Tiit; Kuusk, Joel; Lang, Mait

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On the correct estimation of effective leaf area index: Does it reveal information on clumping effects?

AGRICULTURAL AND FOREST METEOROLOGY

IF5.7

2010-03-01

207

PREAI

Ryu, Youngryel; Nilson, Tiit; Kobayashi, Hideki; Sonnentag, Oliver; Law, Beverly E.; Baldocchi, Dennis D.

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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

IF11.4

2010-03-01

PREAI

Mand, Pille; Hallik, Lea; Penuelas, Josep; Nilson, Tiit; Duce, Pierpaolo; Emmett, Bridget A.; Beier, Claus; Estiarte, Marc; Garadnai, Janos; Kalapos, Tibor; Schmidt, Inger Kappel; Kovacs-Lang, Edit; Prieto, Patricia; Tietema, Albert; Westerveld, Joke W.; Kull, Olevi

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Canopy gap fraction estimation from digital hemispherical images using sky radiance models and a linear conversion method

AGRICULTURAL AND FOREST METEOROLOGY

IF5.7

2010-01-01

PREAI

Lang, Mait; Kuusk, Andres; Mottus, Matti; Rautiainen, Miina; Nilson, Tiit

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How to quantify tree leaf area index in an open savanna ecosystem: A multi-instrument and multi-model approach

AGRICULTURAL AND FOREST METEOROLOGY

IF5.7

2010-01-01

264

PREAI

Ryu, Youngryel; Sonnentag, Oliver; Nilson, Tiit; Vargas, Rodrigo; Kobayashi, Hideki; Wenk, Rebecca; Baldocchi, Dennis D.

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Seasonal reflectance trends of hemiboreal birch forests

REMOTE SENSING OF ENVIRONMENT

IF11.4

2009-04-01

PREAI

Rautiainen, Miina; Nilson, Tiit; Luekk, Tonu

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Multi-angular reflectance properties of a hemiboreal forest:: An analysis using CHRIS PROBA data

REMOTE SENSING OF ENVIRONMENT

IF11.4

2008-05-01

PREAI

Rautiainen, Mima; Lang, Mait; Mottus, Matti; Kuusk, Andres; Nilson, Tiit; Kuusk, Joel; Lukk, Tonu

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Validation of the forest radiative transfer model FRT

REMOTE SENSING OF ENVIRONMENT

IF11.4

2008-01-15

PREAI

Kuusk, Andres; Nilson, Tiit; Paas, Markko; Lang, Mait; Kuusk, Joel

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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

IF11.4

2007-10-30

PREAI

Lang, Mait; Nilson, Tiit; Kuusk, Andres; Kiviste, Andres; Hordo, Maris

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Impact of understory vegetation on forest canopy reflectance and remotely sensed LAI estimates

REMOTE SENSING OF ENVIRONMENT

IF11.4

2006-08-01

165

PREAI

Eriksson, Helena Margaretha; Eklundh, Lars; Kuusk, Andres; Nilson, Tiit

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Simulation of the reflectance of ground vegetation in sub-boreal forests

AGRICULTURAL AND FOREST METEOROLOGY

IF5.7

2004-11-01

PREAI

Kuusk, A; Lang, M; Nilson, T

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Improved algorithm for estimating canopy indices from gap fraction data in forest canopies

AGRICULTURAL AND FOREST METEOROLOGY

IF5.7

2004-08-01

PREAI

Nilson, T; Kuusk, A

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Radiation Transfer Model Intercomparison (RAMI) exercise: Results from the second phase

JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES

IF3.4

2004-03-25

OAAI

Pinty, B; Widlowski, JL; Taberner, M; Gobron, N; Verstraete, MM; Disney, M; Gascon, F; Gastellu, JP; 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; Zang, H

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The effect of crown shape on the reflectance of coniferous stands

REMOTE SENSING OF ENVIRONMENT

IF11.4

2004-01-01

PREAI

Rautiainen, M; Stenberg, P; Nilson, T; Kuusk, A

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Research Directions