Articles | Volume 21, issue 10
https://doi.org/10.5194/hess-21-5201-2017
https://doi.org/10.5194/hess-21-5201-2017
Research article
 | 
17 Oct 2017
Research article |  | 17 Oct 2017

SMOS near-real-time soil moisture product: processor overview and first validation results

Nemesio J. Rodríguez-Fernández, Joaquin Muñoz Sabater, Philippe Richaume, Patricia de Rosnay, Yann H. Kerr, Clement Albergel, Matthias Drusch, and Susanne Mecklenburg

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Cited articles

Aires, F., Prigent, C., and Rossow, W.: Neural network uncertainty assessment using Bayesian statistics with application to remote sensing: 3. Network Jacobians, J. Geophys. Res.-Atmos., 109, 2156–2202, https://doi.org/10.1029/2003JD004175, 2004.
Albergel, C., Rüdiger, C., Carrer, D., Calvet, J.-C., Fritz, N., Naeimi, V., Bartalis, Z., and Hasenauer, S.: An evaluation of ASCAT surface soil moisture products with in-situ observations in Southwestern France, Hydrol. Earth Syst. Sci., 13, 115–124, https://doi.org/10.5194/hess-13-115-2009, 2009.
Albergel, C., de Rosnay, P., Gruhier, C., Muñoz-Sabater, J., Hasenauer, S., Isaksen, L., Kerr, Y., and Wagner, W.: Evaluation of remotely sensed and modelled soil moisture products using global ground-based in situ observations, Remote Sens. Environ., 118, 215–226, 2012.
Al Bitar, A., Leroux, D., Kerr, Y. H., Merlin, O., Richaume, P., Sahoo, A., and Wood, E.: Evaluation of SMOS Soil Moisture Products Over Continental US Using the SCAN/SNOTEL Network, IEEE T. Geosci. Remote, 50, 1572–1586, https://doi.org/10.1109/TGRS.2012.2186581, 2012.
Al Bitar, A., Mialon, A., Kerr, Y., Cabot, F., Richaume, P., Jacquette, E., Quesney, A., Mahmoodi, A., Tarot, S., Parrens, M., Al-yaari, A., Pellarin, T., Rodriguez-Fernandez, N., and Wigneron, J.-P.: The Global SMOS Level 3 daily soil moisture and brightness temperature maps, Earth Syst. Sci. Data, 9, 293–315, https://doi.org/10.5194/essd-9-293-2017, 2017.
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Short summary
The new SMOS satellite near-real-time (NRT) soil moisture (SM) product based on a neural network is presented. The NRT SM product has been evaluated with respect to the SMOS Level 2 product and against a large number of in situ measurements showing performances similar to those of the Level 2 product but it is available in less than 3.5 h after sensing. The new product is distributed by the European Space Agency and the European Organisation for the Exploitation of Meteorological Satellites.