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Position: Home > Articles > Climate dynamic in Maqu County from 1981 to 2010 Grassland and Turf 2015 (1) 84-88

甘肃省玛曲县1981～2010年气候变化动态

作  者：
田久胜;田新会;卡召加;杜文华
单  位：
甘肃省甘南州河曲马场;甘肃农业大学
关键词：
玛曲县;温度;降水量;日照时数;变化动态
摘  要：
根据甘肃省甘南州玛曲县河曲马场地面气象站提供的日气温,降水量和日照时数等观测数据,对玛曲县1981~2010年的温度、降水量及日照时数进行了统计分析。结果表明:30年间年平均温度为1.7℃,年际变化呈波动上升趋势;1998年和1999年温度上升剧烈,增温异常;同一年内1~12月平均温度接近于正态分布。年际降水量呈下降趋势,气候向干旱方向发展,同一年内最高气温与最高降水量均出现在7月,雨热同期。平均日照时数为2 594h,呈缓慢上升趋势。降水量与日照时数负相关,月平均温度与降水量极显著正相关。
译  名：
Climate dynamic in Maqu County from 1981 to 2010
作  者：
TIAN Jiu-sheng;TIAN Xin-hui;Kazhaojia;DU Wen-hua;College of Pratacultural Science,Gansu Agricultural University/Key Laboratory of Grassland Ecosystem,Ministry of Education/Pratacultural Engineering Laboratory of Gansu Province/Sino-U.S.Centers for Grazingland Ecosystem Sustainability;Hequ Horse Farm,Ganan Tibetan Autonomous Prefecture;
关键词：
Maqu County;;temperature;;precipitation;;sunshine duration;;change tendency;;correlation
摘  要：
The temperature,precipitation and sunshine duration in Maqu County from 1981 to 2010were analyzed.The results showed that,the averaged annual temperature was 1.7 ℃ and the annually change was increased year by year,the annual temperature from 1998 to 1999were higher than that of the others,the monthly temperature within a year was normal distribution.In the past 30 years,the annual precipitation was declining and the climate was trending to drought.The highest temperature and precipitation were all distributed in July.The averaged sunshine duration was 2594 hours and increased annually with no significant difference.The annual precipitation and sunshine duration were negatively correlated,but the monthly temperature was positively correlated with the precipitation.

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