The Influence of Accumulated Precipitation on Debris Flow Hazard Area
作者： Ko-Fei Liu , Shih-Chao Wei , Ying-Hsin Wu
DOI: 10.1007/978-3-319-04996-0_8
关键词:
摘要: Debris flow warning system in Taiwan uses effective accumulated precipitation as criteria. Little research studied the affected area associated with different precipitation. The Taipei DF024 potential debris torrent is used an example to study relation between and Three precipitations 24 h, 300 mm, 500 mm (official criteria) 700 are chosen for comparison. Average rainfall intensity per hour calculated from through Monobe Formula. Total rate estimated by Rational Formula discharge hydrograph. Maximum volume determined Equilibrium Concentration From field investigation, all source of distributed on landslide areas river bed. DEBRIS-2D simulate flows. results show that hazard proportional precipitation, thickness maximum accumulation 1.62 m 2.13 m. can provide officials additional information resident evacuation.
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