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題名 | 河防構造物對河溪物理棲地之量化影響=Quantitative Influence of Flood Prevention Constructions on Physical Stream Habitat |
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作者姓名(中文) | 陳樹群; 安軒霈; 方琦萱; | 書刊名 | 水土保持學報 |
卷期 | 44:2 2012.06[民101.06] |
頁次 | 頁101-120 |
分類號 | 443.64 |
關鍵詞 | 河防構造物; 棲地評估; 河川型態; Flood prevention constructions; Habitat assessment; River morphology; |
語文 | 中文(Chinese) |
中文摘要 | 本研究採用陳樹群等(2010)在烏溪與濁水溪之物理棲地評估結果,並透過河川型態五層分 類法之架構,將13 個河相之河段分為上游、中游與下游三個地形區位,並探討各地形區位中 縱、橫向構造物對河溪物理棲地之影響。本研究以自然棲地之評估指標區間做為基準,建立構 造物介入對棲地影響之量化方法。透過該量化方法分析棲地評估之結果可知,橫向構造物在上 游河相河段對水流因子影響較大,中游為泥砂因子,下游則為水流因子。橫向構造物中潛壩對 棲地的影響較固床工大。縱向構造物中,護岸單獨設置時對棲地無明顯的影響,但與固床工與 潛壩共同設置後,棲地所受之影響大於橫向構造物單獨設置,顯示人為介入亦為控制棲地演變 之因子之一。 |
英文摘要 | This study adopted the habitat assessment result (Chen et al., 2010) in Wu River Basin and Chou-Shui River Basin to quantify the influence of flood prevention constructions. Thirteen types of river morphology were divided into upstream, midstream and downstream reaches, and the influences of longitudinal and transverse constructions were analyzed in each reaches. Based on the concept of nature habitat assessment intervals, the quantification method was established. According to this method, it shows that most sensitive factor which were influenced by transverse constructions is water factor in upstream reaches, sediment factor in midstream, and water factor in downstream. In addition, the influences of submerged dam are larger than that of consolidation work. The impact ofrevetment is insignificant. However, the influences of habitat impact increases when the consolidation work or submerged dam was constructed together with revetment. It shows that human factor is one of the main factors which control the habitat evolvement. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。