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題 名 | 坡地開發對逕流量影響之研究=Effects of Hillslope Urbanization on the Runoff Characteristic |
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作 者 | 鄭皆達; | 書刊名 | 水土保持學報 |
卷 期 | 30:4 1998.12[民87.12] |
頁 次 | 頁293-303 |
分類號 | 436.124 |
關鍵詞 | 退水常數; 保蓄水勢能; 都市化; Recession constant; Storage potential; Urbanization; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究探討都市化現象對集水區水文特性之影響,選擇之試驗區包括臺北市周圍 山坡地之四分溪、無名溪、松山區、山豬窟溪、內雙溪及明德集水區, 並以畢祿溪第 11、 12 號森林集水區加以比較。 分析時乃以地文與流量因子為基礎,採用固定斜率法分離基流 ,並以巴斯法分析退水曲線,藉以分析該集水區暴雨流出量、尖峰流量、保蓄水勢能及流量 半衰期,以作為暴雨排水設計與旱季水資源規畫評估之參考。研究成果顯示都市化集水區有 較高的暴雨流出量及尖峰流量,較低之退水常數、保蓄水勢能及流量半衰期,將導致在相同 降雨條件下,會有較大之洪水災害,並使可用水量減少。 |
英文摘要 | Data from several forested and partially urbanized experimental watersheds are used to investigate the influence of hillslope on watersheds flow characteristics. It made use of geology, flow data and other information as the foundation, applying The Straight Line Method and the Barnes method are applied and to separate stormflow from base flow for hydrographs are calculated for. Stormflow amount, peak flow, storage potential and half flow days, and took it as reference in drainage design and estimating the water resources in the dry season. Stormflow and the storage potential of the dry season were related to area, slope, and land use of watershed. The results indicate that the area of watersheds and the effect of urbanization could cause increased of watersheds stormflow and peak flow, and decreased the storage potential and half flow days. |
本系統中英文摘要資訊取自各篇刊載內容。