Goddard Satellite-Based Surface Turbulent Fluxes, 0.25 x 0.25 deg, Daily Grid V3 (GSSTF) at GES DISC

Metadata Updated: July 10, 2025

These data are the Goddard Satellite-based Surface Turbulent Fluxes Version-3 (GSSTF3) Dataset recently produced through a MEaSUREs funded project led by Dr. Chung-Lin Shie (UMBC/GEST, NASA/GSFC), converted to HDF-EOS5 format. The stewardship of this HDF-EOS5 dataset is part of the MEaSUREs project. This suite of GSSTF version 3 products is the 0.25x0.25 deg resolution version of the GSSTF 2c collections. It does not contain, however, the "WB" variable - 'lowest 500-m precipitable water' (g/cm**2). This is the Daily (24-hour) product; data are projected to equidistant Grid that covers the globe at 0.25 degree cell size, resulting in data arrays of 1440x720 size. As in previous versions, the daily fluxes have first been produced for each individual available SSM/I satellite tapes (e.g., F08, F10, F11, F13, F14 and F15). Then, the Combined daily fluxes are produced by averaging (equally weighted) over available flux data/files from various satellites. These Combined daily flux data are considered as the "final" GSSTF, Version 3, and are stored in this HDF-EOS5 collection. There are only one set of GSSTF, Version 3, Combined data, "Set1" The "individual" daily flux data files, produced for each individual satellite, are also available in HDF-EOS5, although from different collections: GSSTF_Fxx_3, where Fxx are the individual satellites (F08, F10, etc..) The input data sets used for this recent GSSTF production include the upgraded and improved datasets such as the Special Sensor Microwave Imager (SSM/I) Version-6 (V6) product of brightness temperature [Tb], total precipitable water [W], and wind speed [U] produced by the Wentz of Remote Sensing Systems (RSS), as well as the NCEP/DOE Reanalysis-2 (R2) product of sea skin temperature [SKT], 2-meter air temperature [Tair], and sea level pressure [SLP]. Relevant to this MEaSUREs project, these are converted to HDF-EOS5, and are stored in the GSSTF_NCEP_3 collection. Please use these products with care and proper citations, i.e., properly indicating your applications with, e.g., "using the combined 2001 data file of Set1" or "using the 2001 F13 data file". APPENDIX SET1 --------------- The following list summarizes individual satellites used to produce the Combined SET1. (1) Y1987/: F08/ 1987/07-12: F08 (Note: 1987/12 is filled with missing value due to data scarcity) (2) Y1988/: F08/ 1988/01-12: F08 (3) Y1989/: F08/ 1989/01-12: F08 (4) Y1990: F08/ F10/ 1990/01-12: F08 (Note: F10 started in 1990/12, but N/A due to data scarcity) (5) Y1991/: F08/ F10/ 1991/01-12: F08+F10 (6) Y1992/: F10/ F11/ 1992/01-12: F10+F11 (7) Y1993/: F10/ F11/ 1993/01-12: F10+F11 (8) Y1994/: F10/ F11/ 1994/01-12: F10+F11 (9) Y1995/: F10/ F11/ F13/ 1995/01-12: 01-04: F10+F11 05-12: F10+F11+F13 (10) Y1996/: F10/ F11/ F13/ 1996/01-12: F10+F11+F13 (11) Y1997/: F10/ F11/ F13/ F14/ 1997/01-12: 01-04: F10+F11+F13 05/01-11/14: F10+F11+F13+F14 11/15-12/31: F11+F13+F14 (12) Y1998/: F11/ F13/ F14/ 1998/01-12: F11+F13+F14 (13) Y1999/: F11/ F13/ F14/ 1999/01-12: F11+F13+F14 (14) Y2000/: F11/ F13/ F14/ F15/ 2000/01-12: 01/01-05/16: F11+F13+F14+F15 05/17-12/31: F13+F14+F15 (15) Y2001/: F13/ F14/ F15/ 2001/01-12: F13+F14+F15 (16) Y2002/: F13/ F14/ F15/ 2002/01-12: F13+F14+F15 (17) Y2003/: F13/ F14/ F15/ 2003/01-12: F13+F14+F15 (18) Y2004/: F13/ F14/ F15/ 2004/01-12: F13+F14+F15 (19) Y2005/: F13/ F14/ F15/ 2005/01-12: F13+F14+F15 (20) Y2006/: F13/ F14/ F15/ 2006/01-12: F13+F14 (21) Y2007/: F13/ F14/ F15/ 2007/01-12: F13+F14 (22) Y2008/: F13/ F14/ F15/ 2008/01-12: 01-07: F13+F14 08-12: F13 Special notes: (a) For Y2006, Y2007 and Y2008, the current Combined daily data files do not include the F15 Individual daily data files due to problematic calibration in F15. The Combined daily files will be updated for those three years once an improved set of Individual daily data files are produced using corrected and updated SSM/I F15 input files. (b) The current Combined daily data files are produced with at most 4 combined satellites, i.e., F10, F11, F13 and F14 for May-Nov 1997, and F11, F13, F14 and F15 for Jan-May 2000.

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Public: This dataset is intended for public access and use. License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

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Metadata Created Date	April 11, 2025
Metadata Updated Date	July 10, 2025

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Resource Type	Dataset
Metadata Created Date	April 11, 2025
Metadata Updated Date	July 10, 2025
Publisher	NASA/GSFC/SED/ESD/TISL/GESDISC
Maintainer	Earthdata Forum
Identifier	10.5067/MEASURES/GSSTF/DATA301
Data Last Modified	2025-07-09
Category	Earth Science
Public Access Level	public
Bureau Code	026:00
Metadata Context	https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
Schema Version	https://project-open-data.cio.gov/v1.1/schema
Catalog Describedby	https://project-open-data.cio.gov/v1.1/schema/catalog.json
Harvest Object Id	eccb8c11-abe4-41e5-bec8-e83db952275f
Harvest Source Id	58f92550-7a01-4f00-b1b2-8dc953bd598f
Harvest Source Title	NASA Data.json
Old Spatial	"CARTESIAN",{"WestBoundingCoordinate":-180,"NorthBoundingCoordinate":90,"EastBoundingCoordinate":180,"SouthBoundingCoordinate":-90}
Program Code	026:000
Source Datajson Identifier	True
Source Hash	0bf051c0bf1116c1368c314c0bf2e7455b439124b69837ba38d8aa78b3bb036b
Source Schema Version	1.1
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