About: Empirical test of the spectral invariants theory using imaging spectroscopy data from a coniferous forest

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The spectral invariants theory presents an alternative approach for modeling canopy scattering in remote sensing applications. The theory is particularly appealing in the case of coniferous forests, which typically display grouped structures and require computationally intensive calculation to account for the geometric arrangement of their canopies. However, the validity of the spectral invariants theory should be tested with empirical data sets from different vegetation types. In this paper, we evaluate a method to retrieve two canopy spectral invariants, the recollision probability and the escape factor, for a coniferous forest using imaging spectroscopy data from multiangular CHRIS PROBA and NADIR-view AISA Eagle sensors. Our results indicated that in coniferous canopies the spectral invariants theory performs well in the near infrared spectral range. In the visible range, on the other hand, the spectral invariants theory may not be useful. The spectral invariants theory presents an alternative approach for modeling canopy scattering in remote sensing applications. The theory is particularly appealing in the case of coniferous forests, which typically display grouped structures and require computationally intensive calculation to account for the geometric arrangement of their canopies. However, the validity of the spectral invariants theory should be tested with empirical data sets from different vegetation types. In this paper, we evaluate a method to retrieve two canopy spectral invariants, the recollision probability and the escape factor, for a coniferous forest using imaging spectroscopy data from multiangular CHRIS PROBA and NADIR-view AISA Eagle sensors. Our results indicated that in coniferous canopies the spectral invariants theory performs well in the near infrared spectral range. In the visible range, on the other hand, the spectral invariants theory may not be useful. (en)
Title	Empirical test of the spectral invariants theory using imaging spectroscopy data from a coniferous forest Empirical test of the spectral invariants theory using imaging spectroscopy data from a coniferous forest (en)
skos:prefLabel	Empirical test of the spectral invariants theory using imaging spectroscopy data from a coniferous forest Empirical test of the spectral invariants theory using imaging spectroscopy data from a coniferous forest (en)
skos:notation	RIV/67179843:_____/11:00360186!RIV12-MZP-67179843
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(ED1.1.00/02.0073), P(SP/2D1/70/08), Z(AV0Z60870520)
http://linked.open...iv/cisloPeriodika	4
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Lukeš, Petr
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Centrum výzkumu globální změny AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	197398
http://linked.open...ai/riv/idVysledku	RIV/67179843:_____/11:00360186
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	recollision probability; escape factor; needle albedo; CHRIS PROBA; AISA (en)
http://linked.open.../riv/klicoveSlovo	AISA CHRIS PROBA escape factor needle albedo recollision probability
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[83E73A6DE93A]
http://linked.open...i/riv/nazevZdroje	International Journal of Applied Earth Observation and Geoinformation
http://linked.open...in/vavai/riv/obor	EH
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	CzechGlobe - Center for Global Climate Change Impacts Studies ForChange - forest ecosystems status and changes indication related to the global change based on anylysis ecophysiological processes and remote sensing
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	13
http://linked.open...iv/tvurceVysledku	Lukeš, Petr Malenovský, Z. Rautianien, M. Stenberg, P.
http://linked.open...ain/vavai/riv/wos	000292489900016
http://linked.open...n/vavai/riv/zamer	Spatial and functional dynamics of biological, ecological and socio-economic systems interacting with global climatic change
issn	0303-2434
number of pages	8 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.jag.2011.04.003

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