近四十年我国气候变化的初步分析

PRELIMINARY ANALYSIS OF CLIMATIC CHANGE DURING THE LAST 39 YEARS IN CHINA

本文对近四十年来我国的气候变化作了一个初步分析。结果表明,众所周知的全球增暖在我国只反映在东北、华北和西北西部地区;大约35°N 以南,南岭以北,青藏高原以东地区是变冷区,变冷中心在四川、陕南和滇北;在全球温室效应下,高低纬变湿和中纬变干,而我国则大部分地区变干,华北和西北变干更明显。我国气候变化特点和全球增暖趋势有许多不一致,这一点值得引起我国气候学家的注意。

The preliminary analysis of climatic change in China during the last 39 years has been madein this paper.The results show that although the global climate is getting warmer,some parts ofChina are cooling.The warming only occurs in northeast,north and west part of northwest Chi-na while the areas between about 35°N and Nanling mountain,east of Tibetan Plateau in Chinaare getting cooler.The cooling centers are located in Sichuan,the south part of Shanxi and thenorth part of Yunnan,respectively.Under the greenhouse effect,the precipitation becomes morein low and high latitudes and less in middle latitude.But,the precipitation in the most parts ofChina becomes less,especially in north and northwest China.