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首页> 外文会议>International Conference on Dam Safety Management and Engineering >Towards Sustainable Reservoir Management Under Future Climate: A Modelling Approach
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Towards Sustainable Reservoir Management Under Future Climate: A Modelling Approach

机译：在未来的气候下实现可持续水库管理：一种建模方法

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Climate change is affecting inland waterbodies such as reservoirs worldwide by altering the hydrological processes such as rainfall amount and the surface water evaporation. These changes shape the reservoir water level and subsequently affect dam storage capacity and functioning and the overall lake ecosystem including pattern of aquatic plant occurrence. In this study, the application of numerical modelling was performed to improve understanding on the impact of climate change on lake hydrology andwater level in Beris Reservoir, Kedah in Malaysia. By incorporating land use pattern, hydrology, dam characteristics and operations as the variable parameters, hydrologic-hydraulic model was constructed using the integrated catchment model (ICM) approach. Calibration was performed using reservoir water level and rainfall amount at 2 rainfall stations near the catchment over 6 months. Two future hydroclimate projection data at the lake catchment (6 km grid resolution) are used to simulate the climate change impacts on the reservoir. Based on the simulation, the water balance of Beris reservoir is very sensitive to rainfall changes and the river water release for downstream water intakes. Frequency of changes in water level between the two scenarios provided better understanding on the potential occurrence of aquatic plants requiring reservoir management. The findings show that the numerical model predicts well the different climate change impacts on lake basin hydrology and ecosystem.
机译：气候变化通过改变降雨量和地表水蒸发等水文过程来影响全球水库等内陆水上的水平。这些变化塑造了水库水位，随后影响了水坝储存能力和运作以及整体湖泊生态系统，包括水生植物的模式。在这项研究中，进行了数值模拟的应用，以提高对赫利斯水库湖水文水平的影响，以提高气候变化对马来西亚克德拉的水库水平。通过将土地利用模式，水文，大坝特性和操作作为可变参数，采用集成集水模型（ICM）方法构建了水文 - 液压模型。使用储层水位和降雨量在6个月内，使用水库水位和降雨量的降雨量进行校准。湖区集水区（6公里网格分辨率6公里网格分辨率）的两个未来的水池冲突数据用于模拟水库对水库的影响。基于模拟，Beris储层的水平衡对降雨变化和下游水摄入河的河水释放非常敏感。两种情况之间的水位变化的变化频率提供了更好地理解需要水库管理的水生植物的潜在发生。研究结果表明，数值模型预测了湖泊水道水文和生态系统的不同气候变化影响。

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