• NSIDC DAAC is currently upgrading our data ingest process for NASA Earthdata Cloud. During this transition, users may notice temporary interruptions in data availability or notice small data gaps. All gaps will be resolved as quickly as possible. During this upgrade jpeg browse imagery will also not be available for preview in Earthdata search. Please reach out to NSIDC User Services with any questions or concerns.

Aquarius L3 Weekly Polar-Gridded Sea Surface Salinity, Version 5
Data set id:
AQ3_SSS
DOI: 10.5067/Aquarius/AQ3_SSS.005
This is the most recent version of these data.
Version Summary
Version 5 of Aquarius L3 Weekly Polar-Gridded Sea Surface Salinity utilizes Version 4 of the Level-2 Aquarius SSS as input data.

Overview

This data set consists of weekly gridded Level-3 products of Aquarius L-band radiometer Sea Surface Salinity (SSS) retrievals from the Aquarius/Satélite de Aplicaciones Científicas (SAC-D) mission, developed collaboratively between the U.S. National Aeronautics and Space Administration (NASA) and Argentina's space agency, Comisión Nacional de Actividades Espaciales (CONAE).
Parameter(s):
ICE FRACTION
SALINITY
Platform(s):
SAC-D
Sensor(s):
AQUARIUS_RADIOMETER
Data Format(s):
HDF5
HDF5
Temporal Coverage:
  • 25 August 2011 to 4 June 2015
Temporal Resolution:
  • 7 day
Spatial Resolution:
  • 36 km
  • 36 km
Spatial Reference System(s):
  • WGS 84 / NSIDC EASE-Grid 2.0 North
    EPSG:6931
  • WGS 84 / NSIDC EASE-Grid 2.0 South
    EPSG:6932
Spatial Coverage:
  • N:
    -50
    S:
    -79
    E:
    180
    W:
    -180
  • N:
    87.4
    S:
    50
    E:
    180
    W:
    -180
Blue outlined yellow areas on the map below indicate the spatial coverage for this data set.

Data Access & Tools

A free NASA Earthdata Login account is required to access these data. Learn More

Help Articles

General Questions & FAQs

This article covers frequently asked questions about the NASA NSIDC DAAC's Earthdata cloud migration project and what it means to data users.

How to Articles

Many NSIDC DAAC data sets can be accessed using NSIDC DAAC's Data Access Tool. This tool provides the ability to search and filter data with spatial and temporal constraints using a map-based interface.Users have the option to: