A Simulation Study on the Sustainable Drainage Management in Surakarta

梭羅地區永續排水管理模擬研究

10.6937/TWC.201912_67(4).0004

YUSUF SUTANTO；VERONICA TITI PURWANTINI

Drainage ； Drainage Surakarta ； Sustainable drainage ； 排水系統 ； 印尼梭羅市排水系統 ； 永續排水

台灣水利

67卷4期（2019 / 12 / 01）

41 - 47

英文

Indonesia is a tropical country that falls in the high rainfall zone; the country has a fertile soil and dense trees. The occurrence of illegal logging in tropical countries has resulted in an extreme climate in the country. As a result, rainwater flows freely and this may result in the flooding of the lower areas of the country. Surakarta is a low area with a high amount of rainfall. Surakarta area is always inundated due to the high shipment of water from Boyolali, Wonogiri and the surrounding area. Geographically, the city of Surakarta is between 110°45'15＂-110°45'35＂ BT and 7°36'00＂-7°56'00＂ LS with an area of 44.04 km^2. Annual rainfall ranges from 22 mm to 560 mm in average. Thus, there is a need to develop good drainage management and sustainable systems in the country. The lapses in previous research studies were improved using the MASIM (Material Simulation) method. This research model used a simulation software to investigate the process of flooding. This study aims to provide an overview of sustainable drainage arrangements on flood minimization, channel efficiency, potentially flooded area mapping, and solutions to the overflow of water channels.

印尼為一位於高度降雨地區的熱帶國家，擁有肥沃的土壤與茂密的樹林。然而，非法砍伐造成該國氣候漸趨極端，因濫伐而導致的雨水逕流容易造成低窪地區淹水，印尼爪哇島的梭羅市（Surakarta）便是一例，來自博約拉利（Boyolali）、沃諾吉里（Wonogiri）以及其他鄰近地區的雨水逕流造成該地時有水患。以地理位置而言，梭羅市位於東經110°45'15＂-110°45'35＂BT與南緯7°36'00＂-7°56'00＂LS之間，面積約為44.04平方公里，年降雨量平均為22毫米至560毫米。由於洪患頻傳，印尼有必要開發良好及永續的排水系統。本研究中，前人研究的部分缺失可藉由材料模擬方法（Material Simulation Method, MASIM）進行改善，本研究使用模擬軟體模擬洪水進程，目標是透過模擬以建立能夠減少洪患、增進渠道運作效率、繪製洪患地區潛勢圖，以及提供渠道溢流之解決方案的永續排水系統。

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