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首页> 外文期刊>Energy Reports >Potential hydropower estimation for the Mindanao River Basin in the Philippines based on watershed modelling using the soil and water assessment tool
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Potential hydropower estimation for the Mindanao River Basin in the Philippines based on watershed modelling using the soil and water assessment tool

机译：菲律宾思维水电估算菲律宾基于流域模型的水土评估工具

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This study aims to identify potential hydropower sites and calculate the theoretical potential hydropower capacity based on watershed modelling of the Mindanao River Basin (MRB) in the Philippines for the sustainable development of a previously unstudied region. The Soil and Water Assessment Tool (SWAT) was applied to delineate the watershed of the MRB and simulate the river discharges with inputs from observed precipitation and global gridded precipitation datasets. Observed weather data, such as temperature, humidity, and solar radiation, from four meteorological stations in the Philippines were also used as inputs for SWAT modelling. Simulated discharges were calibrated at three river gauges on the Nituan, Libungan and Pulangi Rivers. However, due to limited river discharge records, model validations were conducted in proxy basins: the calibrated model parameters in river A were used in the watershed modelling of proxy river B. Of the delineated 107 sub-basins in the MRB watershed, only 33 were identified as having potential sites for hydropower development. These potential sub-basins hosted a total of 154 potential sites with an estimated monthly average power capacity of 5,551.35 MW for all 33 sub-basins. The estimated theoretical power capacity of 15,266.22 MW for all sites in the MRB is approximately equivalent to the Philippines’ total available power capacity in 2017 of 15,393 MW. These sites were classified into 16 mini-scale hydropower sites, 114 small-scale hydropower sites and 24 medium-scale hydropower sites based on the simulated river discharges and potential power capacities. Based on these results, hydropower development could be an alternative to strengthen the exploration of renewable energy resources and improve the energy situation in Mindanao; hydropower development could also have mitigation effects on frequent floods in flat, low-lying downstream areas.
机译：本研究旨在识别潜在的水电站，并根据菲律宾的米确河流域（MRB）的流域建模，计算菲律宾以获得以前未捕获的地区的可持续发展的理论潜在水电能力。土壤和水评估工具（SWAT）应用于描绘MRB的流域，并模拟河流排放，通过观察到的降水和全球网格降水数据集的输入。观察到的天气数据，例如温度，湿度和太阳辐射，来自菲律宾的四个气象站也被用作SWAT建模的输入。模拟排放在尼苑，莱昂和Pulangi Rivers的三河仪表中被校准。然而，由于河流排放记录有限，在代理盆地进行了模型验证：A河A中的校准模型参数用于Proxy River B的流域建模。在MRB流域中的Dispeated 107个子盆地中，只有33次确定为具有水电开发的潜在地点。这些潜在的子盆地总共载有154个潜在地点，所有33个子盆地的月平均功率的月平均功率为5,551.35 mW。 MRB中所有网站的估计理论功率容量为15,266.22兆瓦，大致相当于菲律宾2017年的总可用电力容量为15,393兆瓦。这些网站被分为16个迷你水电站，114个小型水电站和基于模拟河流排放和潜在电力的24个中型水电站。基于这些结果，水电开发可能是加强可再生能源资源探索的替代方案，提高思义义的能源局势;水电开发也可能对平坦，低洼下游地区的频繁洪水产生缓解效果。

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