Remote Sensing Technologies

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Site Location: Dunhuang

Radiometric

ETM+ Bands 321 Zoomed

ETM+ Bands 321 Zoomed

ETM+ Bands 321

ETM+ Bands 321

Location (City, State, Country): Dunhuang, Gobi Desert, Gansu Province, China, Asia
Altitude above siea level (meters): 1220
Center Latitude,Longitude (Degrees): +40.13 , +94.34
Landsat WRS-2 Path/Row: 137 / 32
Size of Usable Area (km): 25 x 25
Owner: National Satellite Meteorological Center (NSMC)/China Meteorological Administration (CMA)
Researcher: Xiuqing Hu
Email Researcher
Purpose: TBD
Description: Located in the Gobi Desert in northwest China, about 35 km west of the city of Dunhuang (Gansu Province). The calibration area is situated on a stabilized alluvial fan. The area used for vicarious calibration measurements is about 400 m x 400 m in the center of the fan, and the surface comprises cemented gravels with no vegetation. Sources of meteorological data for the site include the Dunhuang-PAM automated weather station, which is part of the Asian Automatic Weather Station Network. Atmospheric aerosols over the site are typical of a rural continental location, although some larger particles were observed, possibly influx from the sand dunes to the northwest. Sandstorms affect the site about 8 days per annum, and atmospheric dust is a significant factor about 60 days per annum. (Source: Network for Calibration and Validation of Earth Observation (NCAVEO) Web site, http://www.ncaveo.ac.uk/calibration/radiometry/in-flight/#dunhuang). AERONET site.

Google Earth: Looks very uniform in intensity and color, especially in Google Maps satellite imagery, which shows more detail.

Support Data: TBD
Suitability: TBD
Limitations: TBD

Additional Photos

ETM+ Bands 321 Site Parameters
ETM+ Bands 321 Site Parameters
Google Earth Zoomed
Google Earth Zoomed

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Page Last Modified: January 8, 2013