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| THE COMBINATION OF LANDSONAR AND DIFFERENTIAL ELECTRICAL SOUNDING FOR THE EXPLORATION OF KARST AND UNDERGROUND CAVES |
| ZHONG Shi-hang |
| China Academy of Railway Sciences, Beijing 100081 China |
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Abstract With the combination of the Landsoner method and the Differential Electrical Sounding method, we can explore the rise and fall of bed rocks as well as single and multi-storey karst caves under the cover of a karst area, the proportion of depth to diameter being over 10-20:1. In addition, the depths of the top and the bottom can be accurately determined.
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Received: 10 November 2002
Published: 24 June 2003
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