J. R. Wang, J. C. Shiue, T. J. Schmugge, and E. T. Engman, The L-band PBMR measurements of surface soil moisture in FIFE, IEEE Transactions on Geoscience and Remote Sensing, vol.28, issue.5, pp.906-913, 1990.
DOI : 10.1109/36.58980

T. J. Jackson, D. M. Vine, C. T. Swift, T. J. Schmugge, and F. R. Schiebe, Large area mapping of soil moisture using the ESTAR passive microwave radiometer in Washita'92, Remote Sensing of Environment, vol.54, issue.1, pp.27-37, 1995.
DOI : 10.1016/0034-4257(95)00084-E

T. J. Schmugge, Applications of passive microwave observations of surface soil moisture, J. Hydrol, pp.212-213, 1998.

T. J. Jackson, D. M. Vine, A. Y. Hsu, A. Oldak, P. J. Starks et al., Soil moisture mapping at regional scales using microwave radiometry: the Southern Great Plains Hydrology Experiment, IEEE Transactions on Geoscience and Remote Sensing, vol.37, issue.5, pp.2136-2151, 1999.
DOI : 10.1109/36.789610

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

J. Wigneron, P. Waldteufel, A. Chanzy, J. Calvet, and Y. Kerr, Two-Dimensional Microwave Interferometer Retrieval Capabilities over Land Surfaces (SMOS Mission), Remote Sensing of Environment, vol.73, issue.3, pp.270-282, 2000.
DOI : 10.1016/S0034-4257(00)00103-6

E. T. Engman, Applications of microwave remote sensing of soil moisture for water resources and agriculture, Remote Sensing of Environment, vol.35, issue.2-3, pp.213-226, 1991.
DOI : 10.1016/0034-4257(91)90013-V

D. Entekhabi and P. S. Eagleson, Land Surface Hydrology Parameterization for Atmospheric General Circulation models Including Subgrid Scale Spatial Variability, Journal of Climate, vol.2, issue.8, pp.816-831, 1989.
DOI : 10.1175/1520-0442(1989)002<0816:LSHPFA>2.0.CO;2

J. S. Famiglietti and E. F. Wood, Effects of Spatial Variability and Scale on Areally Averaged Evapotranspiration, Water Resources Research, vol.28, issue.1, pp.699-712, 1995.
DOI : 10.1029/94WR02820

E. F. Wood, Effects of soil moisture aggregation on surface evaporative fluxes, Journal of Hydrology, vol.190, issue.3-4, pp.397-412, 1997.
DOI : 10.1016/S0022-1694(96)03135-6

W. T. Crow, E. F. Wood, and R. Dubayah, Potential for downscaling soil moisture maps derived from spaceborne imaging radar data, Journal of Geophysical Research: Atmospheres, vol.190, issue.2, pp.2203-2212, 2000.
DOI : 10.1029/1999JD901010

J. Pellenq, J. Kalma, G. Boulet, G. Saulnier, S. Wooldridge et al., A disaggregation scheme for soil moisture based on topography and soil depth, Journal of Hydrology, vol.276, issue.1-4, pp.112-127, 2003.
DOI : 10.1016/S0022-1694(03)00066-0

G. Kim and A. P. Barros, Space???time characterization of soil moisture from passive microwave remotely sensed imagery and ancillary data, Remote Sensing of Environment, vol.81, issue.2-3, pp.393-403, 2002.
DOI : 10.1016/S0034-4257(02)00014-7

R. H. Reichle, D. Entekhabi, and D. B. Mclaughlin, Downscaling of radio brightness measurements for soil moisture estimation: A four-dimensional variational data assimilation approach, Water Resources Research, vol.4, issue.4, pp.2353-2364, 2001.
DOI : 10.1029/2001WR000475

R. Bindlish and A. P. Barros, Subpixel variability of remotely sensed soil moisture: an inter-comparison study of SAR and ESTAR, IEEE Transactions on Geoscience and Remote Sensing, vol.40, issue.2, pp.326-337, 2002.
DOI : 10.1109/36.992792

N. S. Chauhan, S. Miller, and P. Ardanuy, Spaceborne soil moisture estimation at high resolution: a microwave-optical/IR synergistic approach, International Journal of Remote Sensing, vol.43, issue.22, pp.4599-4622, 2003.
DOI : 10.1080/01431169308954009

T. Mo, B. J. Choudhury, T. J. Schmugge, J. R. Wang, and T. J. Jackson, A model for microwave emission from vegetation-covered fields, Journal of Geophysical Research, vol.16, issue.C13, pp.11-229, 1982.
DOI : 10.1029/JC087iC13p11229

D. R. Brunfeldt and F. T. Ulaby, Measured microwave emission and scattering in vegetation canopies, IEEE Transactions on Geoscience and Remote Sensing, vol.22, issue.6
DOI : 10.1109/TGRS.1984.6499163

. Geosci, Remote Sensing, pp.520-524, 1984.

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

J. Wigneron, L. Laguerre, and Y. Kerr, A simple parameterization of the L-band microwave emission from rough agricultural soils, IEEE Transactions on Geoscience and Remote Sensing, vol.39, issue.8, pp.1697-1707, 2001.
DOI : 10.1109/36.942548

M. C. Dobson, F. T. Ulaby, M. T. Allinkainen, and M. A. El-reyes, Microwave Dielectric Behavior of Wet Soil-Part II: Dielectric Mixing Models, IEEE Transactions on Geoscience and Remote Sensing, vol.23, issue.1, pp.35-46, 1985.
DOI : 10.1109/TGRS.1985.289498

J. R. Choudhury, Remote sensing of soil moisture content over bare field at 1.4 ghz frequency, J. Geophys. Res, vol.86, pp.5277-5282, 1981.

T. J. Jackson and T. J. Schmugge, Vegetation effects on the microwave emission of soils, Remote Sensing of Environment, vol.36, issue.3, pp.203-212, 1991.
DOI : 10.1016/0034-4257(91)90057-D

D. S. Kimes, Remote sensing of row crop structure and component temperatures using directional radiometric temperatures and inversion techniques, Remote Sensing of Environment, vol.13, issue.1, pp.33-55, 1983.
DOI : 10.1016/0034-4257(83)90026-3

A. D. Matthias, S. R. Yates, R. Zhang, and A. W. Warrick, Radiant temperatures of sparse plant canopies and soil using IR thermometry, IEEE Trans. Geosci. Remote Sensing, vol.25, pp.516-519, 1987.

M. J. Mcguire, L. G. Balick, J. A. Smith, and B. A. Hutchison, Modeling directional thermal radiance from a forest canopy, Remote Sensing of Environment, vol.27, issue.2, pp.169-186, 1989.
DOI : 10.1016/0034-4257(89)90016-3

C. Francois, C. Ottle, and L. Prevot, Analytical parameterization of canopy directional emissivity and directional radiance in the thermal infrared. Application on the retrieval of soil and foliage temperatures using two directional measurements, International Journal of Remote Sensing, vol.18, issue.12, pp.2587-2621, 1997.
DOI : 10.1080/014311697217495

A. Chehbouni, Y. Nouvellon, Y. H. Kerr, M. S. Moran, C. Watts et al., Directional effect on radiative surface temperature measurements over a semiarid grassland site, Remote Sensing of Environment, vol.76, issue.3, pp.360-372, 2001.
DOI : 10.1016/S0034-4257(01)00183-3

C. Francois, The potential of directional radiometric temperatures for monitoring soil and leaf temperature and soil moisture status, Remote Sensing of Environment, vol.80, issue.1, pp.122-133, 2002.
DOI : 10.1016/S0034-4257(01)00293-0

L. Jia, Z. Li, M. Menenti, Z. Su, W. Verhoef et al., A practical algorithm to infer soil and foliage component temperatures from bi-angular ATSR-2 data, International Journal of Remote Sensing, vol.13, issue.23, pp.4739-4760, 2003.
DOI : 10.1109/36.581987

F. Baret, J. P. Clevers, and M. D. Stevens, The robustness of canopy gap fraction estimates from red and near-infrared reflectances: A comparison of approaches, Remote Sensing of Environment, vol.54, issue.2, pp.141-151, 1995.
DOI : 10.1016/0034-4257(95)00136-O

J. Lhomme, A. Chehbouni, and B. Monteny, Sensible heat flux-radiometric surface temperature relationship over sparse vegetation: parameterizing kB-1, Boundary-Layer Meteorology, vol.97, issue.3, pp.431-457, 2000.
DOI : 10.1023/A:1002786402695

W. J. Shuttleworth and J. S. Wallace, Evaporation from sparse crops-an energy combination theory, Quarterly Journal of the Royal Meteorological Society, vol.25, issue.469, pp.839-855, 1985.
DOI : 10.1002/qj.49711146910

R. B. Clapp and G. M. Hornberger, Empirical equations for some soil hydraulic properties, Water Resources Research, vol.18, issue.4, pp.601-604, 1978.
DOI : 10.1029/WR014i004p00601

J. Noilhan and J. Mahfouf, The ISBA land surface parameterisation scheme, Global and Planetary Change, vol.13, issue.1-4, pp.145-159, 1996.
DOI : 10.1016/0921-8181(95)00043-7

M. Sivapalan, Linking hydrologic parameterizations across a range of scales: hillslope to catchment to region, Proc. IAHS'93, pp.115-123, 1993.

J. Wigneron, A. Chanzy, J. Calvet, A. Olioso, and Y. Kerr, Modeling approaches to assimilating L-band passive microwave observations over land surfaces, J. Geophys. Res, vol.107, pp.148-227, 2002.

J. C. Price, Land surface temperature measurements from the split window channels of the NOAA 7 Advanced Very High Resolution Radiometer, Journal of Geophysical Research, vol.4, issue.D5, pp.112-127, 2003.
DOI : 10.1029/JD089iD05p07231

F. Becker, The impact of spectral emissivity on the measurement of land surface temperature from a satellite, International Journal of Remote Sensing, vol.90, issue.10
DOI : 10.2467/mripapers.32.267

A. L. Kaleita and P. Kumar, AVHRR estimates of surface temperature during the Southern Great Plains, 1997.

A. N. French, T. J. Schmugge, W. P. Kustas, K. L. Brubaker, and J. Prueger, Surface energy fluxes over El Reno, Oklahoma, using high-resolution remotely sensed data, Water Resources Research, vol.97, issue.3, p.1164, 2003.
DOI : 10.1029/2002WR001734

T. N. Carlson, R. R. Gillies, and E. M. Perry, A method to make use of thermal infrared temperature and NDVI measurements to infer surface soil water content and fractional vegetation cover, Remote Sensing Reviews, vol.1, issue.1-2, pp.45-59, 1994.
DOI : 10.1175/1520-0450(1987)026<0107:SMEUGV>2.0.CO;2

Y. H. Jackson, J. S. Kerr, R. Kimball, K. C. Koster, P. E. Mcdonald et al., The hydrosphere state (HYDROS) satellite mission: an earth system pathfinder for global mapping of soil moisture and land freeze/thaw, IEEE Trans. Geosci. Remote Sensing, vol.42, issue.10, pp.2184-2195, 2004.