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| THE AIRBORNE ELECTROMAGNETIC METHOD FOR REGIONAL AGRICULTURAL ECO-GEOLOGICAL SURVEY AND ITS EVALUATION |
| MENG Qing-min1,2, GAO Wei-dong2, MAN Yan-long2, YU Qing-fan1, ZHONG Qing1,2 |
1. China University of Geosciences, Beijing 100083, China;
2. Exploration Geophysics Open Laboratory of Institute of Geophysical and Geochemical Exploration, CAGS, Langfang 065000, China |
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Abstract Based on a comparison between the achievements made by the airborne electromagnetic method in Song-Liao region and the available hydrogeological data, this paper explains the role played by the airborne electromagnetic method in such regional agricultural eco-geological investigations as the determination of soil salification limits and extent, the division of underground water quality, the classification of soil grain sizes and the prediction of salification trend. It is shown that the airborne electromagnetic method is characterized by low cost and high efficiency.
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Received: 14 March 2004
Published: 24 August 2004
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