A new approach to selecting a regionalized design hyetograph by principal component analysis and analytic hierarchy process

文化大學機構典藏 CCUR > 環境規劃暨生物資源學院 > 農學院 > 土地資源學系 > 期刊論文 > Item 987654321/26977

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题名:	A new approach to selecting a regionalized design hyetograph by principal component analysis and analytic hierarchy process
作者:	Yeh, HC (Yeh, Hui-Chung) Chen, YC (Chen, Yen-Chang0 Wei, C (Wei, Chiang)
贡献者:	Dept Nat Resources
关键词:	Regional design hyetograph Cluster analysis Principal component analysis (PCA) Analytic hierarchy process (AHP)
日期:	2013-01
上传时间:	2014-03-03 16:08:57 (UTC+8)
摘要:	Designing storm hyetographs is the essential element of hydrologic modeling analysis and storm water drainage design. In order to reasonably use storm hyetograph design in an un-gauged area, a regional representative hyetograph from an alternative and uniform area must be found. A new approach is proposed in this study to select a regional design storm hyetograph using principal component analysis (PCA) and analytic hierarchy process (AHP). The proposed approach combines both PCA and cluster analysis techniques. Furthermore, the AHP method is also used to establish the regional design hyetograph. A case study applied in the area of northern Taiwan shows that our method can successfully categorize the area into three homogenous zones. A representative regional hyetograph can be obtained by selecting the largest priority vector or by the weighted average of rain gauges in each zone.
關聯:	PADDY AND WATER ENVIRONMENT Volume: 11 Issue: 1-4 Pages: 73-85
显示于类别:	[土地資源學系] 期刊論文

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