ARGO upper salinity measurements: perspectives for L-band radiometers calibration and retrieved sea surface salinity validation

  title={ARGO upper salinity measurements: perspectives for L-band radiometers calibration and retrieved sea surface salinity validation},
  author={Jacqueline Boutin and Nicolas Martin},
  journal={IEEE Geoscience and Remote Sensing Letters},
With the view of preparing the strategy for the calibration/validation of future L-band satellite radiometers, we examine the salinity variability recorded by Array for Real-Time Geostrophic Oceanography (ARGO) floats in the upper 10-m layer of the surface ocean. Using one year of ARGO measurements,we show that the surface salinity variability at ten days and 200-km scales is above /spl plusmn/0.1 psu for 30% of the drifters and that this variability is larger than 0.2 psu in tropical regions… CONTINUE READING
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