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Indian Ocean Subset Plus Vorticity

Daily fields of pseudo-stress are produced using a variational approach (direct minimization) with tuning parameters determined using Generalized Cross-Validation (GCV). These products are on a 1x1° grid. The scatterometer winds, and these gridded winds, are calibrated to a height of 10 m.

This approach utilizes the only QuikSCAT observations filtered by the NOF rain flag and should be considered as a research quality data set. The technique used to make these fields is based on the method of Pegion, P. J., M. A. Bourassa, D. M. Legler, and J. J. O'Brien, 2000: Objectively-derived daily "winds" from satellite scatterometer data. Mon. Wea. Rev., 128, 3150-3168.

From this interface, you can download individual files, files grouped by month, or the entire collection of gridded QuikSCAT data produced here at COAPS; each for a particular 6-hour period, set of periods, or all. These files are in NetCDF format, which can be obtained from UNIDATA. Routines to read the NetCDF formatted files can be found here.


Select to download either a set of files, or a single file.

Set of files Single file
Download entire dataset, or just selected months as a convenient tar file: (You must select times (GMT) of day.)

Entire Dataset

1999 2000
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2001 2002
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2003 2004
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2005 2006
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2007 2008
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Select times (GMT) of day:
[00] [06] [12] [18] [all]

Please select one of the following options
(compression is highly recommended)

Tar
GZip Tar
Compress Tar
Download an individual uncompressed file: (Only available for dates listed left.)

Month Day Year Hour