NDLI: Digital elevation model construction using ASTER stereo VNIR scene in Antarctic in-land ice sheet

Content Provider	IEEE Xplore Digital Library
Author	Xiao Cheng Yanmei Zhang Dongchen E. Zhen Li Yun Shao
Copyright Year	2003
Description	Author affiliation: Inst. of Remote Sensing Applications, Chinese Acad. of Sci., Beijing, China (Xiao Cheng)
Abstract	Digital elevation information of Antarctic in-land ice sheet is very important in research of ice flow. ASTER (Advanced Spaceborne Thermal Emission and Reflectance Radiometer) is an imaging instrument on board Terra-the first Earth Observing System (EOS) satellite. The ASTER Earth Observation Satellite offers nearly simultaneous capture of stereo images, minimizing temporal changes and sensor modeling errors. Band 3 of the VNIR sensor includes two channels, a nadir looking scene and a backward looking scene. This provides stereo coverage from which a DEM can be automatically extracted. For the research region of Antarctic Grove Mountains, a pair of ASTER L1A stereo scene product acquired in December 27/sup th/ 2001 is used to extract digital elevation model. Accuracy of the DEM is highly dependent on the source of the ground control points used. Several field ground control points in this region are selected. The final DEM result is compared to DEM surveyed in 2000 using GPS by Chinese surveyors, which indicates good accuracy and powerful usability of ASTER DEM construction in tough Antarctic in-land environment.
Starting Page	3347
Ending Page	3349
File Size	1841699
Page Count	3
File Format	PDF
ISBN	0780379292
DOI	10.1109/IGARSS.2003.1294778
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-07-21
Publisher Place	France
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Digital elevation models Layout Antarctica Ice Earth Observing System Reflectivity Radiometry Instruments Satellite broadcasting Artificial satellites
Content Type	Text
Resource Type	Article

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