Climatic warming-drying trend in Northeastern China during the last 44 years and its effects

Abstract

Abstract: Northeastern China is one of the areas mostly influenced by global change and has particular climate characteristics. According to the data from 1949, climate changes, including climate jumps and climatic warming-drying trend, during the last 44 years were analyzed with the methods of Yamamoto check and climate trend coefficient. Possible effects of this change on eco-environment were discussed. The results showed that the climate in the area trended to become warming-drying, with seasonal and regional differences. It was more obvious in summer and autumn and in sensitive areas such as Sanjiang Plain and Horqin sandy land. Eco-environment problems resulted from the climate change should be recognized.

Key words: Spatial scale, Aggregation, Majority rule, Random rule

CLC Number:

P467

SUN Fenghua, YANG Suying, CHEN Pengshi. Climatic warming-drying trend in Northeastern China during the last 44 years and its effects[J]. cje, 2005, (7): 751-755,762.

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