SP_D2018287_Map_SATSSS_data_1day_800.png

Data are available through the following servers:

Service Resource Locator
HTTPS

For direct download of daily composites, use this link and complete the pattern for with daily composite filename:

https://www.star.nesdis.noaa.gov/data/socd1/coastwatch/products/miras/nc/SM_Dyyyyddd_Map_SATSSS_data_1day.nc

where yyyy = Year and ddd=day of year.  SMAP files are available from the beginning of 2015 to present.

For example:

https://www.star.nesdis.noaa.gov/data/socd1/coastwatch/products/smap/nc/SP_D2018100_Map_SATSSS_data_1day.nc  

THREDDS

Top Level:  https://www.star.nesdis.noaa.gov/thredds/socd/coastwatch/catalog_smos_smap.html

SMAP Aggregated:  https://www.star.nesdis.noaa.gov/thredds/socd/coastwatch/catalog_smap_aggregated.html

SMAP Per-file:  https://www.star.nesdis.noaa.gov/thredds/catalog/SMAP/catalog.html

 

Please acknowledge "NOAA CoastWatch/OceanWatch" when you use data from our site and cite the particular dataset DOI as appropriate.

SP_D2018287_Map_SATSSS_data_1day_800.png

CoastWatch/OceanWatch produces 0.25-degree longitude/latitude Level-3 gridded sea-surface salinity (SSS) daily mean dataset by box averaging Soil Moisture Active Passive (SMAP) satellite observations over the global ocean.  Daily files are available back to the beginning of 2015.

CoastWatch/OceanWatch Level-3 SSS products are generated directly from the NASA Jet Propulsion Laboratory (JPL) SMAP Level-2B SSS near real time swath HDF5 files.   These products improve the application of satellite SSS products in NOAA by minimizing the data latency to within 24 hours of Level-2 data availability.

 

KeyDescription
Platform/Sensor

Soil Moisture Active Passive (SMAP)

Measurement/Products

Sea Surface Salinity and Sea Surface Wind Speed

Short Name

SMAP SSS, SMAP SSW

Sample Filename

SP_D2018284_Map_SATSSS_data_1day.nc

Processing Level

CoastWatch Level-3 from NASA JPL Level-2B

Spatial Coverage

global

Temporal Coverage

From 1 April 2015 to present

Latency

within 24 h from the availabilityof L2 data 

Resolution

30 km nominal sensor resolution; CoastWatch Level-3 product is gridded to 0.25º (~25 km) 

Swath Width

29 km x 35 km

Sample Frequency

Daily

Temporal Repeat

8-day

Orbital Period

98.5 minutes

Orbit

circular polar-orbiting at 685 km (426 mi) altitude with 8-day repeating ground track

Data Provider

Level 2B SMAP from NASA JPL

Formats

NetCDF

(CoastWatch PNGs in process)

Keywords

SMAP, salinity, SSS

Keywords (Beta)