An evaluation of SMOS L-band vegetation optical depth (L-VOD) data sets: high sensitivity of L-VOD to above-ground biomass in Africa
Nemesio J. Rodríguez-Fernández,Arnaud Mialon,Stephane Mermoz,Alexandre Bouvet,Philippe Richaume,Ahmad Al Bitar,Amen Al-Yaari,Martin Brandt,Thomas Kaminski,Thuy Le Toan,Yann H. Kerr,and Jean-Pierre Wigneron
Centre d'Etudes Spatiales de la Biosphère (CESBIO),
Université de Toulouse, Centre National d'Etudes Spatiales (CNES),
Centre National de la Recherche Scientifique (CNRS), Institut de Recherche pour le Dévelopement (IRD),
Université Paul Sabatier, 18 av. Edouard Belin, bpi 2801, 31401 Toulouse, France
Centre d'Etudes Spatiales de la Biosphère (CESBIO),
Université de Toulouse, Centre National d'Etudes Spatiales (CNES),
Centre National de la Recherche Scientifique (CNRS), Institut de Recherche pour le Dévelopement (IRD),
Université Paul Sabatier, 18 av. Edouard Belin, bpi 2801, 31401 Toulouse, France
Centre d'Etudes Spatiales de la Biosphère (CESBIO),
Université de Toulouse, Centre National d'Etudes Spatiales (CNES),
Centre National de la Recherche Scientifique (CNRS), Institut de Recherche pour le Dévelopement (IRD),
Université Paul Sabatier, 18 av. Edouard Belin, bpi 2801, 31401 Toulouse, France
Centre d'Etudes Spatiales de la Biosphère (CESBIO),
Université de Toulouse, Centre National d'Etudes Spatiales (CNES),
Centre National de la Recherche Scientifique (CNRS), Institut de Recherche pour le Dévelopement (IRD),
Université Paul Sabatier, 18 av. Edouard Belin, bpi 2801, 31401 Toulouse, France
Philippe Richaume
Centre d'Etudes Spatiales de la Biosphère (CESBIO),
Université de Toulouse, Centre National d'Etudes Spatiales (CNES),
Centre National de la Recherche Scientifique (CNRS), Institut de Recherche pour le Dévelopement (IRD),
Université Paul Sabatier, 18 av. Edouard Belin, bpi 2801, 31401 Toulouse, France
Centre d'Etudes Spatiales de la Biosphère (CESBIO),
Université de Toulouse, Centre National d'Etudes Spatiales (CNES),
Centre National de la Recherche Scientifique (CNRS), Institut de Recherche pour le Dévelopement (IRD),
Université Paul Sabatier, 18 av. Edouard Belin, bpi 2801, 31401 Toulouse, France
Interactions Sol Plante Atmosphére (ISPA), Unité Mixte de Recherche 1391, Institut National de la Recherche Agronomique (INRA), CS 20032,
33882 Villenave d'Ornon CEDEX, France
Martin Brandt
Department of Geosciences and Natural Resources Management, University of Copenhagen, 1350 Copenhagen, Denmark
Thomas Kaminski
The inversion Lab, Martinistr. 21, 20251 Hamburg, Germany
Thuy Le Toan
Centre d'Etudes Spatiales de la Biosphère (CESBIO),
Université de Toulouse, Centre National d'Etudes Spatiales (CNES),
Centre National de la Recherche Scientifique (CNRS), Institut de Recherche pour le Dévelopement (IRD),
Université Paul Sabatier, 18 av. Edouard Belin, bpi 2801, 31401 Toulouse, France
Yann H. Kerr
Centre d'Etudes Spatiales de la Biosphère (CESBIO),
Université de Toulouse, Centre National d'Etudes Spatiales (CNES),
Centre National de la Recherche Scientifique (CNRS), Institut de Recherche pour le Dévelopement (IRD),
Université Paul Sabatier, 18 av. Edouard Belin, bpi 2801, 31401 Toulouse, France
Interactions Sol Plante Atmosphére (ISPA), Unité Mixte de Recherche 1391, Institut National de la Recherche Agronomique (INRA), CS 20032,
33882 Villenave d'Ornon CEDEX, France
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Existing global scale above-ground biomass (AGB) maps are made at very high spatial resolution collecting data during several years. In this paper we discuss the use of a new data set from the SMOS satellite: the vegetation optical depth estimated from low microwave frequencies. It is shown that this new data set is highly sensitive to AGB. The spacial resolution of SMOS is coarse (40 km) but the new data set can be used to monitor AGB variations with time due to its high revisit frequency.
Existing global scale above-ground biomass (AGB) maps are made at very high spatial resolution...
