干旱地区农业研究Issue(5):251-258,8.
新疆阿勒泰地区1963-2012年最大冻土深度的时空分布及其对气温变化的响应
The spatial-temporal distribution change of maximum frozen soil depth and temperature change in altay region of Xinjiang Province from 1963 to 2012
摘要
Abstract
Based on the Maximum Frozen Soil Depth and annual mean temperature and Extreme low temperature across seven meteorological stations in Altay region from 1963-2012,using linear regression,Mann-Kendall mutation detection,Hurst R/S analysis method,the temporal evolution and spatial distribution of maximum depth and tempera-tures of frozen soil were analyzed .The results show:the mean-square deviation and coefficient of variation of maximum appears in Jimunai;the maximum depth have declined by 0 .574 cm·a-1;The annual maximum frozen depth almost al-ways occurs in February and March;Maximum Frozen Soil Depth appear an abrupt decrease in 1986-1987s in Altay re-gion;the deepest of annual Extreme and maximum of average and average of maximum depth appears in Qinghe;The Maximum Frozen Soil Depth and are negatively correlated with annual mean temperature and Extreme low temperature and the correlation coefficients are -0 .508 and -0 .293 .关键词
最大冻土深度/时空分布/气温/阿勒泰地区Key words
maximum frozen soil depth/spatial-temporal distribution/temperature/altay region分类
农业科技引用本文复制引用
李海花,刘大锋,段淑芳,李新建..新疆阿勒泰地区1963-2012年最大冻土深度的时空分布及其对气温变化的响应[J].干旱地区农业研究,2014,(5):251-258,8.基金项目
国家重大科学研究计划项目 ()