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Data Set ID:
AQ2_SM

Aquarius L2 Swath Single Orbit Soil Moisture, Version 5

This data set contains Level-2 global soil moisture estimates derived from the NASA Aquarius passive microwave radiometer on the Satélite de Aplicaciones Científicas (SAC-D).

This is the most recent version of these data.

Version Summary:

Changes to this version include:

  • Updated Version 5 Aquarius brightness temperature data were used as input
  • File-level metadata were modified to more closely align with Climate and Forecast (CF) metadata
    conventions

STANDARD Level of Service

Data: Data integrity and usability verified

Documentation: Key metadata and user guide available

User Support: Assistance with data access and usage; guidance on use of data in tools

See All Level of Service Details

Parameter(s):
  • MICROWAVE > BRIGHTNESS TEMPERATURE
  • SOILS > SOIL MOISTURE/WATER CONTENT
Data Format(s):
  • HDF
  • XML
Spatial Coverage:
N: 90, 
S: -90, 
E: 180, 
W: -180
Platform(s):SAC-D
Spatial Resolution:
  • Varies x Varies
Sensor(s):AQUARIUS_RADIOMETER
Temporal Coverage:
  • 25 August 2011 to 7 June 2015
Version(s):V5
Temporal Resolution98 minuteMetadata XML:View Metadata Record
Data Contributor(s):Rajat Bindlish, Thomas Jackson

Geographic Coverage
Other Access Options

Other Access Options

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Download Via HTTPS: An Earthdata Login account is required to access these data.

Once you have logged in, you will be able to click and download files via a Web browser. There are also options for downloading via a command line or client. For more detailed instructions, please see Options Available for Bulk Downloading Data from HTTPS with Earthdata Login.

Earthdata Search: This application allows you to search, visualize, and access data across thousands of Earth science data sets. Additional customization services are available for select data sets, including subsetting, reformatting, and reprojection.

As a condition of using these data, you must cite the use of this data set using the following citation. For more information, see our Use and Copyright Web page.

Bindlish, R. and T. Jackson. 2018. Aquarius L2 Swath Single Orbit Soil Moisture, Version 5. [Indicate subset used]. Boulder, Colorado USA. NASA National Snow and Ice Data Center Distributed Active Archive Center. doi: https://doi.org/10.5067/GB6FZ0UPCOGP. [Date Accessed].

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No technical references available for this data set.

How To

Programmatic Data Access Guide
Data from the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC) can be accessed directly from our HTTPS file system or through our Application Programming Interface (API). Our API offers you the ability to order data using specific temporal and spatial filters... read more
Filter and order from a data set web page
Many NSIDC data set web pages provide the ability to search and filter data with spatial and temporal contstraints using a map-based interface. This article outlines how to order NSIDC DAAC data using advanced searching and filtering.  Step 1: Go to a data set web page This article will use the... read more
How do I convert an HDF5/HDF-EOS5 file into binary format?
To convert HDF5 files into binary format you will need to use the h5dump utility, which is part of the HDF5 distribution available from the HDF Group. How you install HDF5 depends on your operating system. Full instructions for installing and using h5dump on Mac/Unix and... read more
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NSIDC User Services
Phone: 1 303 492-6199
Email: nsidc@nsidc.org