Data Set ID: 
SNEX17_CAR

SnowEx17 Cloud Absorption Radiometer BRDF, Version 1

This data set contains measurements of the bidirectional reflectance distribution function (BRDF) for two locations in Colorado, USA: Grand Mesa, a snow-covered, forested study site about 40 miles east of Grand Junction; and Senator Beck Basin approximately 80 miles to the SSE of Grand Mesa.

Measurements were acquired using the NASA Cloud Absorption Radiometer (CAR), an airborne multi-angular, multi-wavelength scanning radiometer. The CAR instrument measures scattered light in 14 spectral bands between 0.34 μm and 2.30 μm, which lie in the UV, visible, and near-infrared atmospheric windows.

Data were obtained for a variety of conditions including snow grain size (or age), snow liquid water content, solar zenith angle, cloud cover, and snowpack thickness. The data set can be used to assess the accuracy of satellite reflectance and albedo products in snow-covered, forested landscapes.

This is the most recent version of these data.

Version Summary: 

New data set.

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

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Parameter(s):
  • ULTRAVIOLET WAVELENGTHS > ULTRAVIOLET RADIANCE > RADIANCE
  • VISIBLE WAVELENGTHS > VISIBLE RADIANCE > RADIANCE
  • INFRARED WAVELENGTHS > INFRARED RADIANCE > RADIANCE
Data Format(s):
  • NetCDF
Spatial Coverage:
N: 40.243618, 
S: 37.653967, 
E: -104.459534, 
W: -108.448729
Platform(s):NP-3C Orion
Spatial Resolution:
  • Varies x Varies
Sensor(s):CAR
Temporal Coverage:
  • 16 February 2017 to 22 February 2017
Version(s):V1
Temporal ResolutionVariesMetadata XML:View Metadata Record
Data Contributor(s):Charles Gatebe, Rajesh Poudyal

Geographic Coverage

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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.

Gatebe, C. K. and R. Poudyal. 2018. SnowEx17 Cloud Absorption Radiometer BRDF, Version 1. [Indicate subset used]. Boulder, Colorado USA. NASA National Snow and Ice Data Center Distributed Active Archive Center. doi: https://doi.org/10.5067/VH3F5ZPLH3PM. [Date Accessed].

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No technical references available for this data set.

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