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Summary
This oceans data product consists of sensible and latent heat fluxes, and wind stress components. Wind vectors resulting from a variational analysis of SSM/I wind speeds (see JPL product #044) were combined with surface temperature and moisture data from ECMWF to calculate fluxes at the ocean-atmosphere interface. The algorithm employed in the flux estimates uses the similarity theory of ... Monin-Obukhov and is described in Helfand and Labraga (1988). The data was produced by R.Atlas, J. Jusem and J. Ardizonne at the Goddard Space Flight Center.

The fluxes were calculated every 6 hours for the period July 1987 to June 1988 and then monthly averaged. Extensions will be made as SSM/I data becomes available. All data sets contain sensible and latent heat flux (W/M**2), and U and V wind stress components (N/M**2) on a 2 degree latitude by 2.5 degree longitude grid configured as follows:

rdata(i,j)

i = 1,2,...,144 ==> lon = -180.0,-177.5,...,177.5
j = 1,2,...,91 ==> lat = -90.0,-88.0,...,90.0

Data is available via anonymous FTP (binary mode) to podaac.jpl.nasa.gov (137.78.32.15) or on tape in the Iris Data Format (IDF). IDF makes use of IEEE 2-byte integers and should be easily read on machines adhering to IEEE standards. Documentation and software are available online. Each file contains one set of monthly averaged fields and occupies approximately 100K bytes.

Information about the JPL PO-DAAC and other products are also available on the WWW at the URL: http://podaac.jpl.nasa.gov/

Geographic Coverage Spatial coordinates   

N: 90.0

S: -90.0

E: 180.0

W: -180.0

Data Set Citation

Dataset Creator: Atlas, Jusem, Ardizzone Dataset Title: SSM/I derived global heat and momentum fluxes (Atlas, Jusem, Ardizzone); Product #004 Online Resource: http://podaac.jpl.nasa.gov/catalog/

Temporal Coverage

Start Date: 1987-06-01 Stop Date: 1988-06-30

Location Keywords

GEOGRAPHIC REGION > GLOBAL OCEAN OCEAN > ATLANTIC OCEAN OCEAN > PACIFIC OCEAN OCEAN > INDIAN OCEAN

Data Resolution

Latitude Resolution: 2 degrees Longitude Resolution: 2.5 degrees Horizontal Resolution Range: 100 km - < 250 km or approximately 1 degree - < 2.5 degrees Temporal Resolution: 6 hours Temporal Resolution Range: Hourly - < Daily Latitude Resolution: 2 degrees Longitude Resolution: 2.5 degrees Horizontal Resolution Range: 100 km - < 250 km or approximately 1 degree - < 2.5 degrees Temporal Resolution: Monthly Temporal Resolution Range: Monthly - < Annual

Science Keywords

ATMOSPHERE > ATMOSPHERIC WINDS > WIND STRESS ATMOSPHERE > ATMOSPHERIC RADIATION > HEAT FLUX > SENSIBLE HEAT FLUX OCEANS > OCEAN HEAT BUDGET > HEAT FLUX > SENSIBLE HEAT FLUX OCEANS > OCEAN WINDS > WIND STRESS

ISO Topic Category

CLIMATOLOGY/METEOROLOGY/ATMOSPHERE OCEANS

Platform

DMSP > Defense Meteorological Satellite Program

Instrument

SSM/I > Special Sensor Microwave/Imager

Project

ESIP > Earth Science Information Partners Program EOSDIS > Earth Observing System Data Information System DODS > Distributed Oceanographic Data System OPENDAP > Open-source Project for a Network Data Access Protocol

Ancillary Keywords

ECMWF EOSDIS IDN_NODE GSFC/JPL

Originating Center

JPL

Data Center

Physical Oceanography Distributed Active Archive Center, Jet Propulsion Laboratory, NASA Data Center URL: http://podaac.jpl.nasa.gov/ Dataset ID: SSM/I fluxes (Atlas) Data Center Personnel Name: PO.DAAC USER SERVICES Email: podaac at podaac.jpl.nasa.gov Contact Address: Jet Propulsion Laboratory M/S 300-320 4800 Oak Grove Drive City: Pasadena Province or State: CA Postal Code: 91109-8099 Country: USA

Distribution

Distribution Media: FTP Distribution Format: HDF

Personnel

JOSEPH V. ARDIZZONE Role: INVESTIGATOR Email: jardizzone at postit.gsfc.nasa.gov Contact Address: Science Applications International Corporation Code 613.0 NASA Goddard Space Flight Center City: Greenbelt Province or State: MD Postal Code: 20771 Country: USA ROBERT E. ATLAS Role: INVESTIGATOR Phone: (301) 286-3604 Fax: (301) 286-1757 Email: atlas at dao.gsfc.nasa.gov Contact Address: Code 910.4 NASA Goddard Space Flight Center City: Greenbelt Province or State: MD Postal Code: 20771 Country: USA JUAN-CARLOS JUSEM Role: INVESTIGATOR Phone: (301) 286-4086 Fax: (301) 286-1757 Email: carlos at gmsb02.gsfc.nasa.gov Contact Address: NASA Goddard Space Flight Center Code 910.4 City: Greenbelt Province or State: MD Postal Code: 20771 Country: USA

Related URL

Link: GET DATA Description: Access data through FTP at PO.DAAC Link: GET DATA > OPENDAP DATA (DODS) Description: DODS Directory page. Link: VIEW RELATED INFORMATION Description: Data set information page at PO.DAAC

Publications/References
Atlas, R., and S. C. Bloom, R. Global surface-wind vectors resulting from the assimilation of satellite wind-speed data in atmospheric general circulation models,S OCEANS U89 Proceedings, IEEE Publication Number 89CH2780-5, 1989, pp. 260P265.

Atlas, R., S. C. Bloom, R. N. Hoffman, J. V. Ardizzone, and G. Brin, Space-based surface-wind vectors to aid understanding of air-sea interactions, Eos Transactions, American Geophysical Union, 72, 1991, p. 18.

Helfand, H. M., and J. C. Labraga, Design of a Nonsingular Level 2.5 Second- Order Closure Model for the Prediction of Atmospheric Turbulence, Journal of Atmospheric Sciences, Volume 45, No. 2, 15 January 1988, pp. 113 - 132.

Creation and Review Dates

Last DIF Revision Date: 2007-09-19

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