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| Application of Ground Penetrating Radar to Desert Research |
| Fu Tianyang, Li Xiaoze |
| Key Laboratory of Desert and Desertification, Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou 730000, China |
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Abstract It is a difficult problem for Aeolian Geomorphology and Quaternary Geology on desert research to construct dune strata sequence, while revealing dunes' sedimentary structure is the foundation and key of solving the problem. Ground Penetrating Radar(GPR) is an relatively new and effective instrument to detect dunes' sedimentary structure in recent years, because aeolian sedimentary is characterized by good homogenicity, low conduction, low water content and low density, which makes GPR do a good job in dune detecting. Some research could be conducted by GPR as follow: (1) sedimentary structure and strata sequence of small dunes, shallow sedimentary structure and strata sequence of huge dunes, and complete strata sequence of transverse mage-dunes; (2) the direction and velocity of sand dunes migration in history; (3) the environment change of dunes and desert development. (4) the hydrology of dunes and desert. In application, we need to notice dunes' water content, frequency determination of GPR, noise interference, the difference of velocity between theoretical and factual value, data processing and interpretation of GPR image. At present, GPR is not widely used on desert research. By summarizing research progress and problems of GPR on desert research, it is hoped to promote its application in the research of dune and desert.
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Received: 17 February 2013
Published: 20 January 2014
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Corresponding Authors:
李孝泽，leeyan@lzb.ac.cn
E-mail: leeyan@lzb.ac.cn
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