Performance des données GNSS-R FLORI pour l'estimation de la biomasse sur la foret des Landes

ZRIBI, Mehrez; GUYON, Dominique; MOTTE, Erwan; DAYAU, Sylvia; WIGNERON, Jean Pierre; BAGHDADI, Nicolas; PIERDICCA, Nazzareno

doi:10.1016/j.jag.2018.09.010

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ZRIBI, Mehrez
Centre d'études spatiales de la biosphère [CESBIO]

GUYON, Dominique
Interactions Sol Plante Atmosphère [UMR ISPA]

MOTTE, Erwan
Centre d'études spatiales de la biosphère [CESBIO]

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International Journal of Applied Earth Observation and Geoinformation. 2019-02, vol. 74, p. 150-158

Elsevier

Resumen en inglés

The Above-Ground Biomass (AGB) is a key parameter used for the modeling of the carbon cycle. The aim of this study is to make an experimental assessment of the sensitivity of Global Navigation Satellite System (GNSS) reflected signals to forest AGB. This is based on the analysis of the data recorded during several GLORI airborne campaigns in June and July 2015, over the Landes Forest (France). Ground truth measurements of tree height, density and diameter at breast height (DBH), as well as AGB, were carried out for 100 maritime pine forest plots of various ages. The GNSS-R data were used to obtain the right-left and right-right reflectivity observables, which are geo-referenced in accordance with the known positions of relevant GPS satellites and the airborne receiver.< Leer menos

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LANDES

Palabras clave en inglés

ABOVE GROUND BIOMASS

LANDES FOREST

Palabras clave en italiano

MARITIME PINE

Palabras clave en alemán

GNSS-R

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