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題 名 | 坡地植生及敷蓋下土壤水分入滲特性=Characteristics of Soil Water Infiltration Under Vegetative Covering and Mulching on Hillslope |
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作 者 | 黃國禎; 萬鑫森; | 書刊名 | 國立屏東技術學院學報 |
卷 期 | 5:1 1996.03[民85.03] |
頁 次 | 頁45-51 |
分類號 | 434.222 |
關鍵詞 | 入滲參數; 地表下逕流; 覆蓋; 敷蓋; Infiltration parameter; Subsurface runoff; Covering; Mulching; |
語 文 | 中文(Chinese) |
中文摘要 | 本文係以土壤入滲三參數(Ks, S ,α),探討坡地地表植生覆蓋及敷蓋處理下之入 滲特性;並藉由1994年7月26日及8月5日兩場降雨所產生之滲漏歷線,分析各處理地表下 逕流之水文反應。試驗分析結果得知百喜草覆蓋及敷蓋處理,由於植體效應明顯地提高土 壤入滲能力,其Ks及α參數均遠大於裸露區;而裸露區則因表土漸趨密實,相對提高土壤 基質流束勢能(Φ m)及吸附力(S)。在雨後,由滲漏歷線可發現,覆蓋及敷蓋處理提前發 生及到達尖峰流量,且其尖峰流量亦均大於裸露區。 |
英文摘要 | Dealt with the three parameters infiltration (Ks, S,α), this paper was subjected to understand the characteristics of infiltration under vegetative covering and mulching on hillslopes. By the percolation hydrographs resulting from two rainfall events (July 26 and August 5, 1994), we analyzed and compared the hydrological reaction of subsurface runoff under each treatments. The results presented that bahiagrass covering and mulching treatments not only lift the infiltration capacity significantly, but also had larger Ks and S than bare plot. Since surface soil declined to compress, soil matrix flux petential (Φ m) had sorptivity (S) of bare plot was larger than others. After rainfall, covering and mulching treatments had happen pecolation and peak flow preferentially, and the discharge of peak flow greater than bare plot. |
本系統中英文摘要資訊取自各篇刊載內容。