Title
Assessing Sea Surface Salinity Derived by Aquarius in the Indian Ocean
Abstract
The letter has been motivated by the need to validate the sea surface salinity (SSS) derived by Aquarius mission in the Indian Ocean. Validation has been performed on daily level-3 SSS data obtained by Aquarius in the Indian Ocean region during 2011-12. The in situ data sets available from Argo floats have been utilized for this purpose. The coefficient of determination between SSS and reference measurements is 0.84 and root mean square difference (RMSD) is about 0.45 psu. Spatial distributions of average salinity and variability of salinity have been found to agree reasonably well with the known features of SSS in this ocean basin. Under the assumption that the autocorrelation of SSS anomaly has anisotropic Gaussian characteristics, we also evaluated the space-time decorrelation scales of this anomaly, with the usual definition that decorrelation scales are the e-folding scales of SSS anomalies.
Year
DOI
Venue
2014
10.1109/LGRS.2013.2277391
Geoscience and Remote Sensing Letters, IEEE
Keywords
Field
DocType
oceanographic regions,AD 2011 12,Aquarius,Argo floats,Indian Ocean,SSS autocorrelation,average salinity,daily level-3 SSS data,e-folding scales,sea surface salinity,space-time decorrelation scales,spatial distributions,Aquarius,Argo floats,decorrelation scales,surface salinity
Oceanic basin,Decorrelation,Argo,Root mean square,SSS*,Coefficient of determination,Salinity,Climatology,Mathematics,Autocorrelation
Journal
Volume
Issue
ISSN
11
4
1545-598X
Citations 
PageRank 
References 
0
0.34
5
Authors
4
Name
Order
Citations
PageRank
Ratheesh, S.100.34
Rashmi Sharma2164.70
Rajesh Sikhakolli3143.86
Raj Kumar4216.97