Study on reservoir inflow simulations considering wet and dry states of upper wetlands

杜淼磊; 吴剑; 彭勇; 杨玉林; 李敏; 崔允东; 王浅宁

doi:10.11660/slfdxb.20240105

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Study on reservoir inflow simulations considering wet and dry states of upper wetlands

更新时间：2026-07-22

- Study on reservoir inflow simulations considering wet and dry states of upper wetlands
- Journal of Hydroelectric Engineering Vol. 43, Issue 1, (2024)
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- DOI：10.11660/slfdxb.20240105
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- Online First：25 January 2024，
  
  Published：2024
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杜淼磊, 吴剑, 彭勇, et al. Study on reservoir inflow simulations considering wet and dry states of upper wetlands[J]. Journal of Hydroelectric Engineering, 2024, 43(1).
DOI：

杜淼磊, 吴剑, 彭勇, et al. Study on reservoir inflow simulations considering wet and dry states of upper wetlands[J]. Journal of Hydroelectric Engineering, 2024, 43(1). DOI： 10.11660/slfdxb.20240105.

摘要

水利工程的修建直接影响了流域水文响应过程，增加了流域洪水模拟的难度和不确定性。本文以新立城湿地为研究对象，建立特征指标体系将历史洪水按照湿地蓄水状态划分为湿地干旱、湿润状态下洪水，分析湿地干湿状态下入库洪水的水文特征，通过调整新安江水文模型参数以概化入库口湿地的影响，对入库洪水进行模拟。研究结果表明，采用前期雨量和洪水出现次数可较好地将湿地蓄水状态划分为干旱、湿润两种状态，考虑湿地干湿状态影响后新安江模型对湿地干旱、湿润状态下两类洪水的模拟效果均较好，洪水模拟精度可达甲级水平，能较为准确地模拟出入库口湿地干湿状态影响下流域入库洪水，可为同类其他流域水文建模提供思路。

Abstract

The construction of hydraulic projects directly affects the hydrological response of a river basin

increasing the difficulty and uncertainty of flood forecasting. Through a case study of the Xinlicheng wetlands

this paper first chooses several characteristic indexes to identify the arid or humid state of wetlands

and groups the relevant historical flood events into two sets－the arid wetlands and humid wetlands. Then

we analyze the hydrological characteristics of the corresponding two types of flood events. On this basis

we develop a new method to consider the impact of the wetlands on reservoir inflows by adopting the Xin’anjiang model and modifying its sensitive parameters. The results show that the two-type wetlands can be reasonably divided using the antecedent precipitation and the occurrence times of previous flood events

and the simulation results of flood events are satisfactory for each type. Our new method simulates effectively the reservoir inflows affected by the upper wetlands

useful and applicable to other similar basins.

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