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Communication dans un congrès

The objectives and rationale of the soil moisture and ocean salinity (SMOS) mission

Abstract : This paper will describe the SMOS concept in terms of instrument (characteristics) investigates the main aspects of the retrieval capabilities of the 2-D microwave interferometer for monitoring soil moisture, vegetation biomass and surface temperature. The analysis is based on model inversion taking into account the instrument characteristics. The standard error of estimate of the surface variables is computed as a function of the sensor configuration system and of the uncertainties associated with the spatial measurements. The inversion process is based on a standard minimization routine that computes both retrieved variables and standard error associated with the retrievals. The potential of SMOS, depending on the view angle configuration and the use of the sole 1.4 GHz is investigated. The analysis investigates the possibility to retrieve one, two or the three surface variables, depending on the system configuration. These questions are key issues to define the observation configuration of SMOS that meets the scientific requirements and the technical constraints of the spatial missions.
Keywords : microwaves
Type de document :
Communication dans un congrès
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https://hal.inrae.fr/hal-02764358
Déposant : Migration Prodinra <>
Soumis le : jeudi 4 juin 2020 - 07:56:23
Dernière modification le : samedi 19 septembre 2020 - 04:43:51

Identifiants

  • HAL Id : hal-02764358, version 1
  • PRODINRA : 67573
  • WOS : 000177297200315

Citation

Yann Kerr, Philippe Waldteufel, Jean-Pierre Wigneron, Jordi Font, Michael Berger. The objectives and rationale of the soil moisture and ocean salinity (SMOS) mission. International Geoscience and Remote Sensing Symposium, IEEE Geoscience and Remote Sensing Society (GRSS). USA., Jul 2001, Sydney, Australia. ⟨hal-02764358⟩

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