Name: Aquarius L3 Weekly Polar-Gridded Sea Surface Salinity, Version 4
Creator: National Snow and Ice Data Center
Keywords: Sea Surface Salinity

Aquarius L3 Weekly Polar-Gridded Sea Surface Salinity, Version 4

Data set id:

AQ3_SSS

DOI: 10.5067/Aquarius/AQ3_SSS.004

Data Citation and Acknowledgment
As a condition of using these data, you must cite the use of this data set. Such a practice gives credit to data set producers and advances principles of transparency and reproducibility.

Brucker, L., Dinnat, E. & Koenig, L. (2014). Aquarius L3 Weekly Polar-Gridded Sea Surface Salinity. (AQ3_SSS, Version 4). [Data Set]. Boulder, Colorado USA. NASA National Snow and Ice Data Center Distributed Active Archive Center. https://doi.org/10.5067/Aquarius/AQ3_SSS.004. [describe subset used if applicable]. Date Accessed 09-24-2025.

Copied

Other standard citation formats may be found on the DOI Citation Formatter website (paste 10.5067/Aquarius/AQ3_SSS.004 into the top form field).

Describing subset: When applicable, include the information a reader would need to extract the same subset at the end of your citation. If multiple or complex steps were incolved, it may be more appropriate to include this information in the paper itself.

See our Citation Policies for more details about how to structure your data citation.

There is a more recent version of these data.
Version Summary

Version 4 of Aquarius L3 Weekly Polar-Gridded Sea Surface Salinity utilizes Version 3 of the PO.DAAC Level-2 Aquarius SSS as input data. This is the first version available from NSIDC.

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):

Sea Surface Salinity

Platform(s):

SAC-D

Sensor(s):

AQUARIUS_RADIOMETER

Data Format(s):

HDF

Temporal Coverage:

25 August 2011 to 7 June 2015

Temporal Resolution:

7 day

Spatial Resolution:

36 km

36 km

Spatial Reference System(s):

Not Specified

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.

View Metadata Record

Data Access & Tools

This data set has been retired. There is a more recent version of these data.

Help Articles

General Questions & FAQs

FAQs About NSIDC DAAC's Earthdata Cloud Migration

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

Filter and order from a data set web page using the Data Access Tool

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: