| 长江中下游汛期降水空间型及其与太平洋海温的关系 |
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| 引用本文： | 卢文芳.长江中下游汛期降水空间型及其与太平洋海温的关系[J].水科学进展,1992,3(2):104-111. |
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| 作者姓名： | 卢文芳 |
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| 作者单位： | 上海市气象局 上海 200030 |
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| 基金项目： | 南京大学大气科学系协作项目 |
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| 摘 要： | 用因子分析及方差最大原则下的正交旋转技术,计算并识别长江中下游汛期(5～9月)降水场的四个空间高载荷区及相对应的因子得分系数.它们的空间、时间变化,反映了长江中下游区域的实际降水特点.赤道东太平洋海温、区域平均海温及ENSO事件都与高载荷区的汛期降水有一定的联系,所得结果可作为汛期降水短期气候预报的参考因子.
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| 关 键 词： | 载荷 因子得分 汛期降水 |
| 收稿时间： | 1991-02-05 |
Spatial Patterns of Precipitation in the Flood Season and Their Relations to SST over Middle and Lower Reaches of the Yangtze River |
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| Lu Wenfang.Spatial Patterns of Precipitation in the Flood Season and Their Relations to SST over Middle and Lower Reaches of the Yangtze River[J].Advances in Water Science,1992,3(2):104-111. |
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| Authors: | Lu Wenfang |
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| Institution: | Shanghai Meteorological Bureau |
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| Abstract: | The factor analysis and the orthogonal rotation method under varimax criterion are used to calculate and identify out four high loading regions of precipitation and their factor score coefficients in the flood season (May-Sep.) over middle and lower reaches of the Yangtze river. Their spatial and temporal variations are characterized by the natural synoptic scale precipitations over the reaches. The Eastem Pacific Equatorial SST, the mean SST's for other sea regions and the ENSO events are all associated to a certain with the regional precipitation anomaly in the flood season. The results obtained may be used as reference factors for short-range prediction of flood season's precipitation. |
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| Keywords: | oading factor score precipitation in the flood season |
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