基于洪峰模数的山洪灾害雨量预警指标研究
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李青, 王雅莉, 李海辰, 张淼, 李昌志, 陈星
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Rainfall Threshold for Flash Flood Early Warning Based on Flood Peak Modulus
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LI Qing,WANG Yali,LI Haichen,ZHANG Miao,LI Changzhi,CHEN Xing
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| 表1 1 双河1组预警指标计算结果（mm） |
| Tab. 1 1 Calculation results of rainfall early warning index |
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| 时间/h | 情景 | 洼地蓄水 | 植被截留 | 土壤下渗 | 损失量 | 净雨量 | 临界雨量 | 预警指标 | 备注 | | 1 | 较干 | 8 | 15 | 7.5 | 30.5 | 8.1 | 38.6 | 40 | 初期土壤下渗7.5 mm/h | | 一般 | 7 | 14 | 5.0 | 26.0 | 8.1 | 34.1 | 35 | 中间土壤下渗5 mm/h | | 较湿 | 6 | 12 | 2.5 | 20.5 | 8.1 | 28.6 | 30 | 稳渗2.5 mm/h | | 3 | 较干 | 8 | 15 | 17.5 | 40.5 | 24.3 | 64.8 | 65 | 初期土壤下渗7.5 mm/h | | 一般 | 7 | 14 | 15.0 | 36.0 | 24.3 | 60.3 | 60 | 中间土壤下渗5 mm/h | | 较湿 | 6 | 12 | 7.5 | 25.5 | 24.3 | 49.8 | 50 | 稳渗2.5 mm/h | | 6 | 较干 | 8 | 15 | 25.0 | 48.0 | 48.6 | 96.6 | 95 | 初期土壤下渗7.5 mm/h | | 一般 | 7 | 14 | 22.5 | 43.5 | 48.6 | 92.1 | 90 | 中间土壤下渗5 mm/h | | 较湿 | 6 | 12 | 15.0 | 33.0 | 48.6 | 81.6 | 80 | 稳渗2.5 mm/h |
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