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SMOS instrument performance and calibration after six years in orbit

2016; Elsevier BV; Volume: 180; Linguagem: Inglês

10.1016/j.rse.2016.02.036

1879-0704

Manuel Martín‐Neira, Roger Oliva, I. Corbella, F. Torres, N. Duffo, I. Durán, Juha Kainulainen, Josep Closa, Alberto Zurita, François Cabot, Ali Khazâal, Éric Anterrieu, José Barbosa, GUILHERME FERREIRA LOPES, J. Tenerelli, Raúl Díez-García, Jorge Fauste, F. Martín-Porqueras, Verónica González‐Gambau, Antonio Turiel, S. Delwart, Raffaele Crapolicchio, Martin Süess,

Cryospheric studies and observations

ESA's Soil Moisture and Ocean Salinity (SMOS) mission, launched 2-Nov-2009, has been in orbit for over 6 years, and its Microwave Imaging Radiometer with Aperture Synthesis (MIRAS) in two dimensions keeps working well. The calibration strategy remains overall as established after the commissioning phase, with a few improvements. The data for this whole period has been reprocessed with a new fully polarimetric version of the Level-1 processor which includes a refined calibration schema for the antenna losses. This reprocessing has allowed the assessment of an improved performance benchmark. An overview of the results and the progress achieved in both calibration and image reconstruction is presented in this contribution.