Temporal and Spatial Feature Analyses of Summer Extreme High Temperatures in Chongqing
Temporal and Spatial Feature Analyses of Summer Extreme High Temperatures in Chongqing
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重庆夏季极端高温时空特征分析
DOI：
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发表时间：
2009
期刊：
影响因子：
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通讯作者：
Ma De
中科院分区：
文献类型：
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作者：
Ma De
利用重庆市34个气象站1960 ~ 2007年夏季极端高温标准化资料，采用REOF分析方法，对48 a来重庆市6 ~ 8月极端高温的空间分布和时间演变进行了研究，结果表明：重庆市夏季极端高温的空间分布以一致性距平分布为主，重庆夏季极端高温的空间模态可划分为西部、东南部、东北部和中部4个关键区，且4个关键区均具有明显的2- 4a的振荡周期，同时也证明了重庆夏季极端高温对区域增暖具有显著的正响应。
Using the standardized data of the extreme high temperatures in summer from 1960 to 2007 of 34 meteorological stations in Chongqing,the spatial distributional and temporal evolution of extreme high temperatures in June-August in the 48 years are studied with EOF and REOF analyses.The result shows that consistent anomaly distribution is the principal spatial mode of summer extreme high temperatures in Chongqing,that the spatial mode can be divided into four key areas,i.e.the west,the southeast,the northeast and the middle of Chongqing and that the vibration periods of 2-4 a are displayed very clearly in all the four key areas.It is also proved that summer extreme high temperatures in Chongqing show a remarkable positive response to regional warming.