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Proceedings Paper

Evaluation of sea surface salinity observed by Aquarius on SAC-D
Author(s): Naoto Ebuchi; Hiroto Abe
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Paper Abstract

A passive and active L-band microwave sensor, Aquarius, developed by NASA to observe the global sea surface salinity (SSS) distribution, was launched on 10 June 2011. The SSS observed by Aquarius (v.1.3) was evaluated by comparison with in-situ salinity data from various sources. The Aquarius SSS generally agreed well with salinity measurements by Argo floats in moderate to high sea surface temperature (SST) regions. However, the Aquarius SSS highly deviated in low SST and high wind regions. Typical root-mean-squared difference between the Aquarius and in situ SSS observations under a condition of sea surface temperature higher than 5°C were 0.7 psu for snapshot observations and 0.35~0.4 psu for monthly 1° x 1° averages.

Paper Details

Date Published: 21 November 2012
PDF: 7 pages
Proc. SPIE 8525, Remote Sensing of the Marine Environment II, 852502 (21 November 2012); doi: 10.1117/12.970253
Show Author Affiliations
Naoto Ebuchi, Hokkaido Univ. (Japan)
Hiroto Abe, Hokkaido Univ. (Japan)


Published in SPIE Proceedings Vol. 8525:
Remote Sensing of the Marine Environment II
Robert J. Frouin; Naoto Ebuchi; Delu Pan; Toshiro Saino, Editor(s)

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