关键词: 气候变化, 利弊分析, 农作物布局, 对策建议

Abstract: Through analyzing the meteorological data in recent fifty years of LiaoCheng station,the result showed that there was some changes of climate.Firstly,the annual average temperature increased gradually and especially in winter,it appeared 14 warm winters from 1989 to 2008.Secondly,the precipitation was decreased obviously and it was reduced 26.3mm average per 10 years.Thirdly,the annual average sunshine duration was cut down,especially in summer.Fourthly,the extreme climatic events were raised highly.Since 1990s,the urban high temperature and the rainstorm days increased gradually,the drought and waterlogging damage occurred in turn seriously.It was predicted that the climate warming tendency would intensify further in future and the temperature would rise,the precipitation was going to increase,the extremely highest temperature and lowest temperature would rise constantly.However,the extreme weather climate event occurring frequently would do great effects on agricultural production.Finally,the climate change brought both benefit and disadvantage to agricultural production.This article tried to find a way to figure out how to deal with climate change,how to utilize climatic resources utter mostly,and then to make a adjustment to planting.

Key words: Climate change, Advantages and disadvantages analysis, Crop distribution, Countermeasure and suggestion