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題 名 | 雲嘉地層下陷區水土資源合理規劃=Land and Water Resources Planning in Land Subsidence Areas of Yulin and Chiayi |
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作 者 | 童慶斌; | 書刊名 | 農業工程學報 |
卷 期 | 43:4 1997.12[民86.12] |
頁 次 | 頁66-80 |
分類號 | 554.57 |
關鍵詞 | 地層下陷; 水土資源; 優化; 系統分析; Land subsidence; Land and water resources; Optimization; System analysis; |
語 文 | 中文(Chinese) |
中文摘要 | 臺灣沿海地區地表水源供應不足,故居民多仰賴開發成本較低,水質水量較穩定 之地下水。近年來因為地下水之超抽導致嚴重之地層下陷。土地重新規劃利用,確可治本 改善地層下陷之問題, 惟不當規劃,仍可能繼續超抽地下水,而造成地層持續下陷。本研究 即是考量不同土地使用方式之用水需求,求在水資源限制下,尋求最適之土地規劃方案。本 研究應用於雲林嘉義沿海地區,結果發現若農業面積減少 50%,養殖面積減少 60%, 工業面 積不成長,則雲林與嘉義地區需水量將分別減少 104% 與 113%。 若考慮工業區規劃,雖然 需水將提高許多,但若再配合循環用水,可使雲林與嘉義地區需求分別減少 84% 與 103%。 因此減少農業與養殖面積並配合循環用水是必須推行方向。此外在水資源限制及經濟效益考 量下,住宅及商業之土地使用效益最高,其次為休閒使用。然住宅與商業不可能佔太大比例 ,因此在水資源供應不是非常充足下,休閒區為其次之選擇。此結果說明白水湖休閒遊憩區 之規劃是一正確方向;要推動工業區,則充足水資源開發是不可避免之措施。 |
英文摘要 | Water supply for coastal areas of Taiwan is deficit. Thus, residents depend on groundwater which has better quality and stable quantity. Recently, aquculture quickly develops in these areas, which results in over-pumping groundwater and thus cause land subsidence. New land use planning could solve the problem, but improper planning may continue over-pumping groundwater and sub-siding. The purpose of this study is using optimization method to seek for proper land uses under water resource constraints. The method is applied to Yulin and Chiayi The results indicate that water requirements are reduced 104% and 113% for Yulin and Chiayi, respectively, if agricultural and aquicultural land uses are reduced 50% and 60% respectively and industrial areas remain as current If future industrial development comes with water recycle, the reduction of 94% and 53% can be ex-pected for the two areas. Commercial and residential land uses are preferred due to water supplt and economic considering. However, these two land uses can not expand too much, because of limited demand. Thus then, the results suggest recreation land use as the next choice, which implies that the project of the White-Water-Lake recreation area is in the right direction. Although industrial land use produces high revenue, its development is limited by water supply. |
本系統中英文摘要資訊取自各篇刊載內容。