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Recent 50 Years' Climatic Change Characteristics and the Effect on Agriculture-husbandry Production in Tongde County
Author(s): 
Pages: 175-178
Year: Issue:  3
Journal: Guizhou Agricultural Sciences

Keyword:  气候变化气温降水同德县青海;
Abstract: 根据青海省同德县1961-2007年47年气温和降水资料,对气候变化进行了分析.结果表明:近50年来同德县气温有明显上升的趋势,年平均气温呈线性升高趋势,冬季升温幅度最大,夏季微弱;年降水量以9.9 mm/10年的趋势减小,春季降水量的减少趋势很明显,其递减率为-6.51 mm/10年.过去50年同德县气候存在冷湿-暖干-暖湿的变化.气候变化对当地农业生产利小于弊,但对牧业生产利大于弊.
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