水系连通变异下荆南三口河系水文干旱识别与特征分析
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代稳, 吕殿青, 李景保, 王金凤, 赵增友
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Identification of hydrologic drought characteristics under water system connectivity variation in river system of three outlets of Jingjiang river
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Wen DAI, Dianqing LU, Jingbao LI, Jinfeng WANG, Zengyou ZHAO
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表5 水系连通变异下各站点不同重现期所对应的水文干旱特征变量参数 |
Tab. 5 Hydrologic drought varialables at different recurrence periods at each hydrologic station after river system connectivity variation |
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水文站点 | 时间系列 | 单变量重现期(a) | 干旱历时(月) | 干旱强度(亿m3) | 峰值(亿m3/月) | 新江口 | 1956-1989 | 2 | 2.85 | 767.10 | 1477.01 | 5 | 3.77 | 1231.42 | 2305.05 | 10 | 4.49 | 1588.46 | 2866.35 | 1990-2016 | 2 | 3.53 | 1110.37 | 2097.58 | 5 | 4.48 | 1580.86 | 2855.34 | 10 | 5.27 | 1948.71 | 3329.89 | 沙道观 | 1956-1989 | 2 | 2.40 | 323.71 | 327.17 | 5 | 3.45 | 611.25 | 502.63 | 10 | 4.30 | 814.45 | 568.70 | 1990-2016 | 2 | 3.32 | 574.88 | 786.62 | 5 | 4.43 | 843.37 | 575.49 | 10 | 5.41 | 1020.72 | 606.96 | 弥陀寺 | 1956-1989 | 2 | 2.47 | 396.34 | 343.94 | 5 | 3.49 | 728.17 | 574.85 | 10 | 4.34 | 1008.45 | 709.86 | 1990-2016 | 2 | 3.33 | 675.29 | 542.87 | 5 | 4.45 | 1045.17 | 723.30 | 10 | 5.54 | 1422.62 | 814.51 | 康家岗 | 1956-1989 | 2 | 1.77 | 207.29 | 18.60 | 5 | 2.54 | 376.33 | 31.83 | 10 | 3.10 | 493.31 | 40.45 | 1990-2016 | 2 | 2.27 | 317.03 | 27.27 | 5 | 3.02 | 476.29 | 39.23 | 10 | 3.54 | 580.39 | 46.41 | 管家铺 | 1956-1989 | 2 | 2.41 | 586.99 | 453.04 | 5 | 3.34 | 1016.99 | 712.22 | 10 | 4.00 | 1319.92 | 840.59 | 1990-2016 | 2 | 3.12 | 918.04 | 660.47 | 5 | 4.01 | 1322.99 | 841.67 | 10 | 4.61 | 1591.83 | 920.34 |
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