N: 90 S: -90 E: 180 W: -180
Description
This is a level 4 product on a 0.25-degree spatial and monthly temporal grid. The product is the monthly mean of the level 4 OISSS dataset using three satellite missions: the Aquarius/SAC-D, Soil Moisture Active Passive (SMAP) and Soil Moisture and Ocean Salinity (SMOS) using Optimal Interpolation (OI) with a 7-day decorrelation time scale. This dataset is produced by the International Pacific Research Center (IPRC) of the University of Hawaii at Manoa in collaboration with the Remote Sensing Systems (RSS), Santa Rosa, California. More details can be found in the users guide and Addendum I to the product Technical Notes.
Product Summary
Citation
Citation is critically important for dataset documentation and discovery. This dataset is openly shared, without restriction, in accordance with the EOSDIS Data Use and Citation Guidance.
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DATA CITATION GUIDELINES
Variables
The table below lists the variables contained within a single granule for this dataset. Variables often contain observed or derived geophysical measurements collected from a variety of sources, including remote sensing instruments on satellite and airborne platforms, field campaigns, in situ measurements, and model outputs. The terms variable, parameter, scientific data set, layer, and band have been used across NASA’s Earth science disciplines; however, variable is the designated nomenclature in NASA’s Common Metadata Repository (CMR). Variable metadata attributes such as Name, Description, Units, Data Type, Fill Value, Valid Range, and Scale Factor allow users to efficiently process and analyze the data. The full range of attributes may not be applicable to all variables. Additional information on variable attributes is typically available in the data, user guide, and/or other product documentation.
For questions on a specific variable, please use the Earthdata Forum.
| Name Sort descending | Description | Units | Data Type | Fill Value | Valid Range | Scale Factor |
|---|---|---|---|---|---|---|
| latitude | latitude | degrees_north | float | N/A | -90 to 90 | 1 |
| longitude | longitude | degrees_east | float | N/A | -180 to 180 | 1 |
| sss | multi-mission OISSS monthly average | 1e-3 | float | -9999 | 0 to 45 | 1 |
| sss_anomaly | sea surface salinity anomaly relative to the product-based monthly climatology | 1e-3 | float | -9999 | -10 to 10 | 1 |
| sss_climatology | monthly climatological sea surface salinity based on multi-mission OISSS dataset from 09/2011 to 08/2021 | 1e-3 | float | -9999 | 0 to 45 | 1 |
| sss_uncertainty | estimated empirical uncertainty of multi-mission OISSS monthly average | 1e-3 | float | -9999 | 0 to 45 | 1 |
| time | reference time of analyzed variable field corresponding to the center of the product time interval | Days since 2010-12-31T00:00:00Z | float | N/A | N/A | 1 |