广西降水非均匀性多尺度特征与综合评价
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谢鑫昌, 杨云川, 田忆, 廖丽萍, 韦钧培, 周津羽, 陈立华
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Multi-scale Characteristics and Comprehensive Evaluation of Precipitation Heterogeneity in Guangxi
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Xinchang Xie, Yunchuan Yang, Yi Tian, Liping Liao, Junpei Wei, Jinyu Zhou, Lihua Chen
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表1 各时间尺度非均匀性评价等级表
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Table 1 Precipitation heterogeneity evaluation grades of each time scale
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等级 | 类型 | 实际频率/% | PCD(日) | PCD(候) | PCD(旬) | PCD(月) | PCD(季) |
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1 | 高度集中 | 5 | PCD0.623 | PCD0.617 | PCD0.612 | PCD0.573 | PCD0.490 | 2 | 中度集中 | 10 | 0.575PCD≤0.623 | 0.568PCD≤0.617 | 0.561PCD≤0.612 | 0.524PCD≤0.573 | 0.438PCD≤0.490 | 3 | 轻度集中 | 15 | 0.526PCD≤0.575 | 0.519PCD≤0.568 | 0.511PCD≤0.561 | 0.472PCD≤0.524 | 0.390PCD≤0.438 | 4 | 正常 | 40 | 0.407≤PCD≤0.526 | 0.399≤PCD≤0.519 | 0.390≤PCD≤0.511 | 0.346≤PCD≤0.472 | 0.280≤PCD≤0.390 | 5 | 轻度分散 | 15 | 0.342≤PCD0.407 | 0.334≤PCD0.399 | 0.325≤PCD0.390 | 0.279≤PCD0.346 | 0.223≤PCD0.280 | 6 | 中度分散 | 10 | 0.274≤PCD0.342 | 0.265≤PCD0.334 | 0.254≤PCD0.325 | 0.209≤PCD0.279 | 0.153≤PCD0.223 | 7 | 高度分散 | 5 | PCD0.274 | PCD0.265 | PCD0.254 | PCD0.209 | PCD0.153 |
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