我国历史时期冷、暖期旱涝特征的比较
A COMPARISION OF CHARACTERISTICS OF DROUGHTS AND FLOODS DURING THE HISTORIC TIMES IN CHINA
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摘要: 本文应用了复经验正交函数分析(Complex Empirical Orthogonal Function,简称CEOF),讨论了我国历史时期四个时段(即:1620-1649年(冷Ⅰ),1840-1869年(冷Ⅱ)以及1780-1809年(暖Ⅰ),1910-1939年(暖Ⅱ)的旱涝特征.Abstract: This article is a study of temporal and spatial change pattern of droughts and floods for 51 stations of China by using chronological data of 4 intervals:1620-1649yr.(Cold Ⅰ), 1840-1869yr. (Cold Ⅱ), 1780-1809yr. (Warm Ⅰ), 1910-1939