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Aquarius Official Release Level 3 Sea Surface Salinity Smoothed Standard Mapped Image Descending Monthly Data V3.0
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|Description||Aquarius Level 3 sea surface salinity (SSS) standard mapped image data contains gridded 1 degree spatial resolution SSS averaged over daily, 7 day, monthly, and seasonal time scales. This particular data set is the Monthly, Descending sea surface salinity smoothed product for version 3.0 of the Aquarius data set, which is the official second release of the operational data from AQUARIUS/SAC-D mission. Only retrieved values for Descending passes have been used to create this 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.|
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|Citation||Frank Wentz, Simon Yueh, Gary Lagerloef. 2014. Aquarius Official Release Level 3 Sea Surface Salinity Smoothed Standard Mapped Image Descending Monthly Data V3.0. Ver. 3.0. PO.DAAC, CA, USA. Dataset accessed [YYYY-MM-DD] at https://doi.org/10.5067/AQUAR-3ZMPD.
For more information see Data Citations and Acknowledgments.
|Journal Reference||Lilly, J.M & G.S.E Lagerloef (2008). Aquarius Level 3 processing algorithm theoretical basis document: Version 0.9. (see: PODAAC FTPsite Aquarius Docs)|