FTP Data Distribution is no longer available for this data set. The NASA NSIDC DAAC now distributes data through HTTPS, which requires users to log in with an Earthdata Login username and password. Data will continue to be available free of charge.

Get Data


To learn more about Earthdata Login and to register for an account, please see How to Register with Earthdata Login. Once you have logged in, data can be downloaded via a Web browser, command line, or client. For help with downloading data, please see Options Available for Bulk Downloading Data from HTTPS with Earthdata Login.


Data Set ID:

SMAPVEX12 UAVSAR Incidence-Angle Normalized Backscatter Data, Version 1

This data set contains backscatter data obtained by the Uninhabited Aerial Vehicle Synthetic Aperture Radar (UAVSAR) instrument. The data were collected as part of the Soil Moisture Active Passive Validation Experiment 2012 (SMAPVEX12).

Geographic Coverage

  • Radar > Radar Backscatter
  • Radar > Radar Cross-section > Radar Backscatter
Spatial Coverage:
  • N: 50.01, S: 49.32, E: -97.62, W: -98.67

Spatial Resolution:
  • 6 m x 6 m
Temporal Coverage:
  • 17 June 2012 to 17 July 2012
Temporal Resolution: 1 day to 6 day
Data Format(s):
  • Binary
Platform(s) G-III
Sensor(s): UAVSAR
Version: V1
Data Contributor(s): Xiaolan Xu
Data Citation

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.

Xu, X. 2014. SMAPVEX12 UAVSAR Incidence-Angle Normalized Backscatter Data, Version 1. [Indicate subset used]. Boulder, Colorado USA. NASA National Snow and Ice Data Center Distributed Active Archive Center. doi: http://dx.doi.org/10.5067/1A09OKL9G4QW. [Date Accessed].
No technical references available for this data set.
No FAQs or How Tos available for this data set.

Access complete Knowledge Base

Questions? Please contact:
NSIDC User Services
Phone: 1 303 492-6199
Email: nsidc@nsidc.org