感性脉冲电流注入装置的SPICE电路建模.PDF

Chin. Geogra. Sci. 2012 Vol. 22 No. 3 pp. 278–287 doi: 10.1007/s11769-012-0520-6 /content/1002-0063 Modeling Regional and Local-scale Permafrost Distribution in Qinghai-Tibet Plateau Using Equivalent-elevation Method 1 1 1 2 1 3 LI Jing , SHENG Yu , WU Jichun , WANG Jie , ZHANG Bo , YE Baisheng , 1 4 ZHANG Xiumin , QIN Xiang (1. State Key Laboratory of Frozen Soil Engineering, Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou 730000, China; 2. Yunnan Institute of Water Resources and Hydropower Research, Kunming 650228, China; 3. State Key Laboratory of Cryospheric Science, Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou 730000, China; 4. Qilian Shan Station of Glaciology and Ecologic Environment, State Key Laboratory of Cryospheric Science, Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou 730000, China) Abstract: This study proposes an equivalent-elevation method to evaluate the integrated effects of latitude and eleva- tion on regional and local-scale permafrost distribution in the Qinghai-Tibet Plateau, and to model the general perma- frost-distribution patterns in regional and local-scale area. It is found that the Gaussian curve―an empirical model de- scribing the relation between variations of altitudinal permafrost lower limit (PLL) and latitude in the Northern Hemi- sphere―could be applied in regional- and local-scale areas in the Qingh