Aquarius Official Release Level 3 Sea Surface Density Standard Mapped Image Descending 7-Day Data V5.0

(AQUARIUS_L3_DENSITY_SMID_7DAY_V5)
Version5.0
Processing Level3
Start/Stop Date2011-Aug-25 to 2015-Jun-07
Short NameAQUARIUS_L3_DENSITY_SMID_7DAY_V5
DescriptionAquarius Level 3 sea surface density standard mapped image data contains gridded 1 degree spatial resolution density data averaged over daily, 7 day, monthly, and seasonal time scales. This particular data set is the 7-Day, Descending sea surface density product for version 5.0 of the Aquarius data set. Only retrieved values for Descending passes have been used to create this product. Surface density estimates are based on TEOS-10 and derived using retrieved salinity from Aquarius and collocated ancillary SST (Reynolds OI 0.25 degree product). The Aquarius instrument is onboard the AQUARIUS/SAC-D satellite, a collaborative effort between NASA and the Argentinian Space Agency Comision Nacional de Actividades Espaciales (CONAE). The instrument consists of three radiometers in push broom alignment at incidence angles of 29, 38, and 46 degrees incidence angles relative to the shadow side of the orbit. Footprints for the beams are: 76 km (along-track) x 94 km (cross-track), 84 km x 120 km and 96km x 156 km, yielding a total cross-track swath of 370 km. The radiometers measure brightness temperature at 1.413 GHz in their respective horizontal and vertical polarizations (TH and TV). A scatterometer operating at 1.26 GHz measures ocean backscatter in each footprint that is used for surface roughness corrections in the estimation of salinity. The scatterometer has an approximate 390km swath.
DOI10.5067/AQR50-3D7DE
MeasurementOCEANS > SALINITY/DENSITY > DENSITY
Platform/Sensor
Aquarius_SAC-D
Platform
Name: Aquarius SAC-D (Aquarius_SAC-D)
Orbit Period: 98.0 minutes
Inclination Angle: 98.0 degrees
/
AQUARIUS_RADIOMETER
SENSOR
Name: Aquarius Radiometer (AQUARIUS_RADIOMETER)
Swath Width: 390.0 kilometers
Description: Spacecraft angular distance from orbital plane relative to the Equator.

Aquarius_SAC-D
Platform
Name: Aquarius SAC-D (Aquarius_SAC-D)
Orbit Period: 98.0 minutes
Inclination Angle: 98.0 degrees
/
AQUARIUS_SCATTEROMETER
SENSOR
Name: Aquarius Scatterometer (AQUARIUS_SCATTEROMETER)
Swath Width: 390.0 kilometers
Description: Spacecraft angular distance from orbital plane relative to the Equator.

ProjectAQUARIUS SAC-D (AQUARIUS SAC-D)
Data ProviderPublisher: NASA/GSFC OBPG
Creator: NASA Aquarius project
Release Place: Goddard Space Flight Center, 8800 Greenbelt Rd.; Greeenbelt, MD., 20771, USA
Release Date: 2017-Dec-07
Resource: http://podaac.jpl.nasa.gov/SeaSurfaceSalinity/Aquarius

FormatHDF5
Keyword(s)Aquarius, density, polar, sun-synchronous, sss, psu, CONAE, argentina, project, mission, OBPG
Questions related to this dataset? Contact podaac@podaac.jpl.nasa.gov
Resolution
Spatial Resolution: 1 Decimal Degrees x 1 Decimal Degrees
Temporal Resolution: 7 Day
 
Coverage
Region: GLOBAL
North Bounding Coordinate: 90 degrees
South Bounding Coordinate: -90 degrees
West Bounding Coordinate: -180 degrees
East Bounding Coordinate: 180 degrees
Time Span: 2011-Aug-25 to 2015-Jun-07
Granule Time Span: 2011-Aug-25 to 2015-Jun-07
 
Projection
Projection Type: Gridded
Ellipsoid: WGS 84
 
NameLong NameUnit
l3m_datal3m_data
palettepalette
GENERAL DOCUMENTATION
USER'S GUIDE
ANOMALIES
DATA CITATION POLICY
Citation is critically important for dataset documentation and discovery. Please cite the data as follows, and cite the reference papers when it is appropriate.
Citation NASA Aquarius project. 2017. Aquarius Sea Surface Salinity Products. Ver. 5.0. PO.DAAC, CA, USA. Dataset accessed [YYYY-MM-DD] at https://doi.org/10.5067/AQR50-3D7DE

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For more information see Data Citations and Acknowledgments.
Journal Reference Lee, T., G. Lagerloef, M.M. Gierach, H.-Y. Kao, S. Yueh, and K. Dohan (2012), Aquarius reveals salinity structure of tropical instability waves, Geophys. Res. Lett., 39, L12610, doi:10.1029/2012GL052232.

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