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:

SMEX04 Surface Roughness Data, Arizona, Version 1

Notice to Data Users: The documentation for this data set was provided solely by the Principal Investigator(s) and was not further developed, thoroughly reviewed, or edited by NSIDC. Thus, support for this data set may be limited.

The data set SMEX04 Surface Roughness Data is comprised of data collected over the regional study areas of Arizona, USA and Sonora, Mexico as part of the 2004 Soil Moisture Experiment (SMEX04).

Geographic Coverage

  • Topography > Surface Roughness
Spatial Coverage:
  • N: 32.0809, S: 29.8521, E: -109.7159, W: -110.704

Spatial Resolution: Not Specified
Temporal Coverage:
  • 30 July 2004 to 25 August 2004
Temporal Resolution: Not specified
Data Format(s):
  • ASCII Text
Sensor(s): CAMERAS
Version: V1
Data Contributor(s): Thomas Jackson, Lynn McKee, Venkat Lakshmi, Michael Cosh

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.

Jackson, T., L. McKee, V. Lakshmi, and M. Cosh. 2009. SMEX04 Surface Roughness Data, Arizona, Version 1. [Indicate subset used]. Boulder, Colorado USA. NASA National Snow and Ice Data Center Distributed Active Archive Center. doi: [Date Accessed].
A user guide is not available for this data set.
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