查詢結果分析
來源資料
頁籤選單縮合
題 名 | 以灰關聯分析建立土石流危險度評估模式=The Risk Evaluation Model of Debris Flow by Using Grey Relational Analysis |
---|---|
作 者 | 張東炯; | 書刊名 | 農業工程學報 |
卷 期 | 45:3 1999.09[民88.09] |
頁 次 | 頁86-91 |
分類號 | 434.273 |
關鍵詞 | 灰關聯; 土石流; 危險度; Grey relation; Debris flow; Risk evaluation; |
語 文 | 中文(Chinese) |
中文摘要 | 土石流之發生係一非單存之線性系統,其影響發生因素包括降雨、溪流坡度、 溪流長度、溪流寬度、谷口上游之集水面積及地質種類、地表植生、上游崩塌地、 溪床堆積物特性、地下水位等等皆是促成土石流形成之重要因子。因此,本文主要 將土石流流動系統視為一灰色系統,應用灰色相關理論分析探討地形因子參數中如 溪流坡度、溪流長度、溪流寬度、谷口上游集水面積等對土石流發生之影響程度, 以建立土石流危險度之評估摸式。由本研究之結果經與現場發生土石流之危險溪流 做一比較,證實其準確度相當高。 |
英文摘要 | The occurrence of debris flow is not just a linear system, the main factors are precipitation, slope, length and width of creek, watershed area, geologic characteristic. covered of land, landslide, accumulation particles in bed and groundwater that result in debris flow. Therefore, it would be considered as a grey system, using this theory the model of risk evaluation is built to analyze the influences by debris flow. The debris flow in Jayi county in Southern Taiwan was used as pilot study. The algorithm is verified to be practical. This model was found to be an efficient tool in building decision system for planning in debris flow. |
本系統中英文摘要資訊取自各篇刊載內容。