Articles | Volume 9, issue 1
Earth Syst. Sci. Data, 9, 293–315, 2017
https://doi.org/10.5194/essd-9-293-2017
Earth Syst. Sci. Data, 9, 293–315, 2017
https://doi.org/10.5194/essd-9-293-2017
Review article
06 Jun 2017
Review article | 06 Jun 2017

The global SMOS Level 3 daily soil moisture and brightness temperature maps

Ahmad Al Bitar et al.

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Cited articles

Al Bitar, A., Leroux, D. J., Kerr, Y. H., Merlin, O., Richaume, P., Sahoo, A., and Wood, E. F.: Evaluation of SMOS Soil Moisture Products Over Continental U.S. Using the SCAN/SNOTEL Network, IEEE T. Geosci. Remote, 50, 1572–1586, 2012.
Al-Yaari, A., Wigneron, J. P., Ducharne, A., Kerr, Y., de Rosnay, P., de Jeu, R., Govind, A., Al Bitar, A., Albergel, C., Muñoz-Sabater, J., Richaume, P., and Mialon, A.: Global-scale evaluation of two satellite-based passive microwave soil moisture datasets (SMOS and AMSR-E) with respect to Land Data Assimilation System estimates, Remote Sens. Environ., 149, 181–195, 2014a.
Al-Yaari, A., Wigneron, J. P., Ducharne, A., Kerr, Y. H., Wagner, W., De Lannoy, G., Reichle, R., Al Bitar, A., Dorigo, W., Richaume, P., and Mialon, A.: Global-scale comparison of passive (SMOS) and active (ASCAT) satellite based microwave soil moisture retrievals with soil moisture simulations (MERRA-Land), Remote Sens. Environ., 152, 614–626, 2014b.
AMMA-CATCH: Rivers flow and water electrical conductivity, Oueme meso site, Benin, IRD, CNRS-INSU, OSUG, OMP, OREME, https://doi.org/10.5072/AMMA-CATCH.CL.Run_O, 1996.
AMMA-CATCH: Surface energy, water vapor, and carbon fluxes, Wankama local site, Niger, IRD, CNRS-INSU, OSUG, OMP, OREME. https://doi.org/10.5072/AMMA-CATCH.AE.H2OFlux_Ncw, 2005.
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Short summary
Surface soil moisture is a control variable for many processes linked to the water and carbon cycles. The global maps of soil moisture and brightness temperature using multiple orbits from the SMOS (Soil Moisture and Ocean Salinity) mission are presented in this paper. The maps showed an increased number of retrievals over forest areas (9 %) compared to single-orbit retrievals. The brightness temperature observations from the L-band missions SMOS (ESA) and SMAP (NASA) are close (bias < −4 K).