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Estimación del contenido clorofílico en coberturas con estructura caducifolia y conífera mediante inversión de modelos de Transferencia Radiativa y datos Hiperespectrales

Authors: Zarco-Tejada, Pablo J.; Miller, John R.; Mohammed, G. H.; Noland, Thomas L.; Sampson, P. H.;

Estimación del contenido clorofílico en coberturas con estructura caducifolia y conífera mediante inversión de modelos de Transferencia Radiativa y datos Hiperespectrales

Abstract

[ES] El presente trabajo describe los resultados obtenidos en la estimación de contenido clorofílico mediante inversión de modelos de transferencia radiativa. El estudio se desarrolló en 17 zonas de estudio de dos especies forestales con grandes diferencias estructurales, Acer saccharum M. y Pinus strobus L. entre 1997 y 2000 en Ontario, Canadá, estimando chla+b mediante inversión de PROSPECT, SAILH y SPRINT. El sensor hiperespectral aerotransportado CASI se utilizó para obtener datos de reflectancia a 0.5 y 2 m de resolución espacial, con 72 y 288 bandas en el intervalo 400-950 nm. Datos de LAI, contenido clorofílico, carotenoides, reflectancia y transmitancia fueron obtenidos en las muestras foliares de acículas y caducifolias en cada una de las zonas de estudio.

[EN] This paper reports on progress made to estimate leaf chlorophyll content by radiative transfer model inversion techniques. The study was carried out at seventeen sites of Pinus strobus L. and Acer saccharum M. in Ontario, Canada, where field measurements and hyperspectral CASI imagery were collected between 1997 and 2000 deployments. PROSPECT, SAILH, and SPRINT models were used by numerical model inversion. Individual tree samples were collected at each site for biochemical analysis and measurement of leaf chlorophyll, carotenoid concentrations, as well as reflectance and transmittance of broad leaves and needles. The model inversion techniques were tested using CASI data of 72 and 288 channels and 0.5 and 2 m spatial resolution.

Presented at the IX Congreso Nacional de Teledetección, Asociación Espanola de Teledetección, Lerida (Spain), 19-21th September, 2001

Peer reviewed

Keywords

Índices ópticos, Contenido clorofílico, Transferencia radiactiva, Hiperespectral

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green