Name: Aquarius L3 Gridded 1-Degree Annual Soil Moisture, Version 4
Creator: National Snow and Ice Data Center
Keywords: SOIL MOISTURE/WATER CONTENT

Aquarius L3 Gridded 1-Degree Annual Soil Moisture, Version 4

Data set id:

AQ3_ANSM

DOI: 10.5067/Aquarius/AQ3_ANSM.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.

Bindlish, R. & Jackson, T. (2015). Aquarius L3 Gridded 1-Degree Annual Soil Moisture. (AQ3_ANSM, 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_ANSM.004. [describe subset used if applicable]. Date Accessed 09-24-2025.

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

Changes in the Version 4 Aquarius Soil Moisture data include: use of the most recent version (Version 4) of Aquarius Brightness Temperatures as input.

Overview

This data set contains Level-3 gridded annual global soil moisture estimates derived from the NASA Aquarius passive microwave radiometer on the Satélite de Aplicaciones Científicas (SAC-D).

Parameter(s):

SOIL MOISTURE/WATER CONTENT

Platform(s):

SAC-D

Sensor(s):

AQUARIUS_RADIOMETER

Data Format(s):

HDF

XML

Temporal Coverage:

25 August 2011 to 7 June 2015

Temporal Resolution:

1 year

Spatial Resolution:

1 degree

1 degree

Spatial Reference System(s):

Not Specified

Spatial Coverage:

N:
90
S:
-90
E:
180
W:
-180

Blue outlined yellow areas on the map below indicate the spatial coverage for this data set.

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Data Access & Tools

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

Documentation

User Guide

Aquarius L3 Gridded 1-Degree Annual Soil Moisture, Version 4

ATBDs

Aquarius Soil Moisture ATBD Users Guide, Version 2.0

Help Articles

General Questions & FAQs

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