PERMAFROST CHANGES AND ENVIRONMENTAL PROBLEMS ALONG THE QINGHAI-XIZANG HIGHWAY
- Publish Date: 1995-06-20
- environmental changes of permafrost region /
- environmental evaluation /
- permafrost protection
Abstract: The Environment of permafrost region along Qinghai-Xizang highway has been interfered and damaged seriously during the last years by mankind economic activities. Permafrost under the roadbed has been degenerated obviously. Tank range has been extended gradually and original natural environment around it has been damaged. The mileages of highway crossing the permafrost region today are shortened 18km than that of the 70's. In this paper, according to ice content, class of permafrost. relief and landforms etc., permafrost region along the highway and comprehensive evaluation zonation have been made. And specific measures for protecting the permafrost environment has been put forward.
|Citation:||Wang Shaoling. PERMAFROST CHANGES AND ENVIRONMENTAL PROBLEMS ALONG THE QINGHAI-XIZANG HIGHWAY[J]. Chinese Geographical Science, 1995, 5(2): 149-156.|