SIMULASI POLA OPERASI EMBUNG SERBAGUNA TAMBAKSARI KABUPATEN CILACAP DENGAN METODE STANDARD OPERATING RULE (SOR)

Prokons Pub Date : 2020-08-31 DOI:10.33795/PROKONS.V14I2.270

Ines Epti Noniasari, Puji Utomo

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Abstract

Abstract Human survival depends on water availability as water is a basic needs. As population increases, water becomes more limited. One of the ways to prevent draught is collecting water in retention basin. Tambaksari Multipurpose Retention Basin serves to provide basic water demand and irrigation water for the local community. Water availability and water demand should be equal, so a simulation of the operating patter of the retention basin is necessary to distribute water equally and determining the failure level of the retention basin in performing its task. In the present study, the retention basin operating pattern was simulated using Standard Operating Rule (SOR) method. The present study used secondary data, including population data, rainfall data, climatological data and technical data of the retention basin. The size of DAS Tambaksari is 0.41 km² while the size of the irrigated land is 12 Ha. The rainfall data was from 2008-2018 obtained from two rain stations, population data of Tambaksari Village was from 2008-2019, and the climatological data was from 2014-2019. The simulation result of the retention basin operating pattern using SOR method showed that the final collection wasn’t under minimum collection and failure happened in the operation of the retention basin for one year. . The optimal ability of the target release is 70.83% for the reliability of irrigation needs and the level of reliability for raw water needs of 58.33%. Population projection analysis to determine the population in 20 years showed that the future population of 4044 required 3.861 l/person/s of water. Irrigation demands for rice-rice-palawija planting pattern showed that irrigation intake was 11.89 l/s. Water balance determined the balance between inflow and outflow. The value for average water availability was 0.021 m³/s while total average water demand was 0.016 m³/s. therefore, the water availability in partial intake wasn’t able to meet the irrigation and basic water demands. Keywords: discharge, retention basin operation simulation, SOR

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当标准操作规则方法（SOR）时，来自运营建筑服务增长船长CILACAP的模拟

摘要水是人类的基本需求，人类的生存依赖于水的供应。随着人口的增长，水变得越来越有限。防止干旱的方法之一是在蓄水池中收集水。Tambaksari多功能蓄水盆地为当地社区提供基本用水需求和灌溉用水。水的可利用性和需水量应该相等，因此有必要对截留池的运行模式进行模拟，以均匀分配水并确定截留池在执行任务时的失效程度。在本研究中，采用标准操作规则(SOR)方法模拟了截留流域的运行模式。本研究采用二次数据，包括人口数据、降雨数据、气候数据和蓄水流域技术数据。DAS Tambaksari的面积为0.41平方公里，而灌溉土地的面积为12公顷。2008-2018年降雨数据来自两个雨站，Tambaksari村人口数据来自2008-2019年，气候数据来自2014-2019年。利用SOR方法对截留流域运行模式进行了模拟，结果表明截留流域在1年的运行过程中，最终的集水量未达到最小集水量，并出现了故障。最优目标释放能力为灌溉需水量可靠性70.83%，原水需水量可靠性水平为58.33%。人口预测分析确定20年的人口，结果表明，未来人口4044人，需水量为3.861 l/人/s。水稻-水稻-紫花苜蓿种植模式的灌溉需水量为11.89 l/s。水平衡决定了流入和流出之间的平衡。平均可利用水量为0.021 m³/s，总平均需水量为0.016 m³/s。因此，部分取水口的水分利用率不能满足灌溉用水和基本用水需求。关键词:流量，截留池运行模拟，SOR

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Prokons

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8 weeks