最大冻土深度

我国最大冻土深度变化及初步解释

Change of maximum frozen soil depth in China and its primary explanation

结果表明，我国最大冻土深度20世纪80年代以来开始减小，90年代显著减小。

The results show that the annual maximum frozen soil depth in China began to decrease since the 1980s , and decreased more distinctly during the 1990s .

根据对新疆40年（1961-2002年）冬季平均冻土深度、最大冻土深度、土壤10cm深度封冻时段资料分析表明。

In this paper , the data of the average and maximum depths of seasonal frozen earth and the frozen duration of soil at 10 cm in depth in Xinjiang during the 40-year period of 1961 ~ 2002 are analyzed .

各站冬季最大冻土深度的变化趋势并不一致。

The change trend is different in each station .

冬季最大冻土深度对于国民经济建设有直接影响。

The frozen soil depth impact on economy directly .

4个变化异常敏感区的最大冻土深度随时间变化有不同的趋势。

The frozen soil depth annual anomaly in the above representative areas shows different change trends .

新疆冬季最大冻土深度呈现出变浅的趋势，且较为显著。

The maximum depth of frozen soil in winter shows a shallow trend , and the more significant .

巴州平原地区冬季最大冻土深度南浅北深。

The distribution of momaximumst frozen soil depth is that the southern Bazhou to be shallower than the northern .

全省历年平均最大冻土深度变化呈减小趋势，各分区的变化趋势与全省的变化趋势基本相同，冀北高原区变化幅度最大。

In the different area , the trends of change are similar , but the degree of charging is maximum in the north altiplano .

利用我国年最大冻土深度数据集，分析了我国最大冻土深度的空间分布及年代际变化。

With the annual maximum frozen soil depth data of China , analysis is made of the special distribution and decadal change during the recent 50 years .

最大冻土深度与中国夏季（7月份）降水有3条显著相关带，雨带的分布与中国夏季平均雨带相吻合。

There are 3 belts the correlation between frozen the soil depth and precipitation in July , and these belts are same in location as the precipitation distribution in July over China .

结果表明：甘肃河西最大冻土冻结深度的变化存在8~10a的周期振荡，20世纪80年代中期是其变化的转折期，反映了甘肃河西冬季气候自80年代中期以来变暖的事实。

There was a shift of the frozen ground depth in the mid 1980s , showing a winter temperature warming in Hexi Corridor of Gansu Province since the mid 1980s . The minimum air temperature in winter controls the seasonal frozen ground depth and its main frozen period .