F. Baup, E. Mougin, P. Hiernaux, A. Lopes, P. Derosnay et al., Radar Signatures of Sahelian Surfaces in Mali Using ENVISAT-ASAR Data, IEEE Transactions on Geoscience and Remote Sensing, vol.45, issue.7, pp.2354-2363, 2007.
DOI : 10.1109/TGRS.2007.893824

URL : https://hal.archives-ouvertes.fr/ird-00406102

F. Baup, E. Mougin, P. De-rosnay, F. Timouk, and I. Chênerie, Surface soil moisture estimation over the AMMA Sahelian site in Mali using ENVISAT/ASAR data, Remote Sensing of Environment, vol.109, issue.4, pp.473-481, 2007.
DOI : 10.1016/j.rse.2007.01.015

URL : https://hal.archives-ouvertes.fr/ird-00391966

K. J. Beven and J. Fisher, Remote sensing and scaling in hydrology, scaling in hydrology using remote sensing, Scaling Issues in Hydrology, 1996.

J. G. Charney, Dynamics of deserts and drought in the Sahel, Quarterly Journal of the Royal Meteorological Society, vol.21, issue.428, pp.193-202, 1975.
DOI : 10.1002/qj.49710142802

P. De-rosnay, C. Gruhier, F. Timouk, E. Mougin, P. Hiernaux et al., Multi-scale soil moisture measurements over the Gourma meso-scale site in Mali, Journal of Hydrology, 2009.

E. A. Eltahir and C. Gong, Dynamics of Wet and Dry Years in West Africa, Journal of Climate, vol.9, issue.5, pp.1030-1042, 1996.
DOI : 10.1175/1520-0442(1996)009<1030:DOWADY>2.0.CO;2

P. L. Frison and E. Mougin, Use of ERS-1 wind scatterometer data over land surfaces, IEEE Transactions on Geoscience and Remote Sensing, vol.34, issue.2, pp.1-11, 1996.
DOI : 10.1109/36.485131

J. P. Goutorbe, T. Lebel, A. J. Dolman, J. H. Gash, P. Kabat et al., An overview of HAPEX-Sahel: a study in climate and desertification, Journal of Hydrology, vol.188, issue.189, pp.188-189, 1997.
DOI : 10.1016/S0022-1694(96)03308-2

C. Gruhier, P. De-rosnay, Y. Kerr, E. Mougin, E. Ceschia et al., Evaluation of AMSR-E soil moisture product based on ground measurements over temperate and semi-arid regions, Geophysical Research Letters, vol.16, issue.10, 2008.
DOI : 10.1029/2008GL033330

URL : https://hal.archives-ouvertes.fr/meteo-00284718

T. Jackson, J. Schmugge, and E. Engman, Remote sensing applications to hydrology: soil moisture, Hydrological Sciences Journal, vol.16, issue.19, pp.517-530, 1996.
DOI : 10.1080/02626669609491523

Y. H. Kerr, P. Waldteufel, J. Wigneron, J. Martinuzzi, J. Font et al., Soil moisture retrieval from space: the Soil Moisture and Ocean Salinity (SMOS) mission, IEEE Transactions on Geoscience and Remote Sensing, vol.39, issue.8, pp.1729-1735, 2001.
DOI : 10.1109/36.942551

R. D. Koster, P. A. Dirmeyer, . Guo, . Zhichang, . Bonan et al., Regions of Strong Coupling Between Soil Moisture and Precipitation, Science, vol.305, issue.5687, pp.1138-1140, 2004.
DOI : 10.1126/science.1100217

T. Pellarin, A. Ali, F. Chopin, I. Jobard, and J. Bergès, Using spaceborne surface soil moisture to constrain satellite precipitation estimates over West Africa, Geophysical Research Letters, vol.85, issue.4, p.2813, 2008.
DOI : 10.1029/2007GL032243

URL : https://hal.archives-ouvertes.fr/hal-00238559

C. Taylor and T. Lebel, Observational Evidence of Persistent Convective-Scale Rainfall Patterns, Monthly Weather Review, vol.126, issue.6, pp.1597-1607, 1998.
DOI : 10.1175/1520-0493(1998)126<1597:OEOPCS>2.0.CO;2

F. T. Ulaby, R. K. Moore, and A. K. Fung, Microwave Remote Sensing Active and Passive, 1986.

W. Wagner and K. Scipal, Large-scale soil moisture mapping in western Africa using the ERS scatterometer, IEEE Transactions on Geoscience and Remote Sensing, vol.38, issue.4, pp.1777-1782, 2000.
DOI : 10.1109/36.851761

W. Wagner, G. Lemoine, and . Rott, A Method for Estimating Soil Moisture from ERS Scatterometer and Soil Data, Remote Sensing of Environment, vol.70, issue.2, pp.191-207, 1999.
DOI : 10.1016/S0034-4257(99)00036-X

S. Zine, L. Jarlan, P. Frison, E. Mougin, P. Hiernaux et al., Land surface parameter monitoring with ERS scatterometer data over the Sahel: A comparison between agro-pastoral and pastoral areas, Remote Sensing of Environment, vol.96, issue.3-4, pp.438-452, 2005.
DOI : 10.1016/j.rse.2005.04.012

URL : https://hal.archives-ouvertes.fr/hal-00153294

M. Zribi, L. Hégarat-mascle, S. Ottlé, C. Kammoun, B. Guerin et al., Surface soil moisture estimation from the synergistic use of the (multi-incidence and multi-resolution) active microwave ERS Wind Scatterometer and SAR data, Remote Sensing of Environment, vol.86, issue.1, pp.30-41, 2003.
DOI : 10.1016/S0034-4257(03)00065-8

M. Zribi, S. Saux-picart, C. André, L. Descroix, O. Ottlé et al., Soil moisture mapping based on ASAR/ENVISAT radar data over a Sahelian region, International Journal of Remote Sensing, vol.28, issue.16, pp.3547-3565, 2006.
DOI : 10.1016/j.rse.2005.04.005

M. Zribi, C. André, and B. Decharme, A Method for Soil Moisture Estimation in Western Africa Based on the ERS Scatterometer, IEEE Transactions on Geoscience and Remote Sensing, vol.46, issue.2, pp.438-448, 2008.
DOI : 10.1109/TGRS.2007.904582