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Application and comparison of coaxial correlation diagram and hydrological model for reconstructing flood series under human disturbance

ISSN号：0559-9342
期刊名称：《水力发电》
时间：0
分类：TV122[水利工程—水文学及水资源] S273[农业科学—农业水土工程;农业科学—农业工程]
作者机构：[1]College of Hydrology and Water Resources, Hohai University, Nanjing 210098, China, [2]National Cooperative Innovation Center for Water Safety & Hydro-Science, Hohai University, Nanjing 210098, China, [3]Cooperative Institute for Mescoscale Meteorological Studies, University of Oklahoma, Norman, oK 73072, USA
相关基金：supported by the National Natural Science Foundation of China （Grant Nos. 41130639, 51179045, 41201028）; the Nonprofit Industry Financial Program of MWR of China （201501022）

作者： HUANG Peng-nian[1,2], LI Zhi-jia[1,2], LI Qiao-ling[1,2], ZHANG Ke[1,2,3], ZHANG Han-chen[1,2]

关键词：概念性水文模型, 洪水过程, 同轴线, 人为干扰, 人类活动, 应用, 改造, 时间序列, Flood regime change Human activities Coaxial correlation diagram Conceptual hydrological model Mountain catchment Flood peak flows

中文摘要：

Intense human activities have greatly changed the flood generation conditions in most areas of the world, and have destroyed the consistency in the annual flood peak and volume series. For design flood estimation, coaxial correlation diagram and conceptual hydrological model are two frequently used tools to adjust and reconstruct the flood series under human disturbance. This study took a typical mountain catchment of the Haihe River Basin as an example to investigate the effects of human activities on flood regime and to compare and assess the two adjustment methods. The main purpose is to construct a conceptual hydrological model which can incorporate the effects of human activities. The results show that the coaxial correlation diagram is simple and widely-used, but can only adjust the time series of total flood volumes. Therefore, it is only applicable under certain conditions(e.g. There is a strong link between the flood peaks and volumes and the link is not significantly affected by human activities). The conceptual model is a powerful tool to adjust the time series of both flood peak flows and flood volumes over different durations provided that it is closely related to the catchment hydrological characteristics, specifically accounting for the effects of human activities, and incorporating expert knowledge when estimating or calibrating parameters. It is suggested that the two methods should be used together to cross check each other.

英文摘要：

Intense human activities have greatly changed the flood generation conditions in most areas of the world, and have destroyed the consistency in the annual flood peak and volume series. For design flood estimation, coaxial correlation diagram and conceptual hydrological model are two frequently used tools to adjust and reconstruct the flood series under human disturbance. This study took a typical mountain catchment of the Haihe River Basin as an example to investigate the effects of human activities on flood regime and to compare and assess the two adjustment methods. The main purpose is to construct a conceptual hydrological model which can incorporate the effects of human activities. The results show that the coaxial correlation diagram is simple and widely-used, but can only adjust the time series of total flood volumes. Therefore, it is only applicable under certain conditions（e.g. There is a strong link between the flood peaks and volumes and the link is not significantly affected by human activities）. The conceptual model is a powerful tool to adjust the time series of both flood peak flows and flood volumes over different durations provided that it is closely related to the catchment hydrological characteristics, specifically accounting for the effects of human activities, and incorporating expert knowledge when estimating or calibrating parameters. It is suggested that the two methods should be used together to cross check each other.

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