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題名 | The Household Benefits Assessment of the Flood Reduction Plan in a Flood-prone Area: A Case Study of Sinwen, Chiayi, Taiwan=易淹水地區水患治理工程之家戶效益評估:以嘉義新塭示範區為例 |
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作者 | 李欣輯; 郭彥廉; 蕭代基; 黃德秀; | 書刊名 | 農業與資源經濟 |
卷期 | 5:2 2008.12[民97.12] |
頁次 | 頁41-58 |
分類號 | 443.4 |
關鍵詞 | 易淹水地區水患治理計畫; 水災損失模型; 成本效益分析; 家戶問卷; Flood loss model; Benefit assessment; Flood-prone area; Flood reduction plan; Household survey; |
語文 | 英文(English) |
中文摘要 | 行政院爲解決易淹水地區的水患問題,於2006年核定「易淹水地區水患治理綱要計畫」。由於此計畫屬於重大方案,事前的工程效益分析就相當重要。然而傳統上政府對於工程計畫的效益評估,多半是分直接及間接的損失或效益來估算。但實際上災害的損失或效益是不容易區分的。再者,政府估算的損失多以漁業、農業、工業等損失爲主,較少針對家戶的損失進行評估,但家戶爲估算水災損失的重要基本單位,亦是直接影響易淹水地區居民反應之重要因子。本文依據福利經濟學的損失定義及理論,嘗試以家戶的角度重新估算水患治理計畫之實質效益。本文採用國家災害防救科技中心於2004年針對颱災之受災戶的問卷調查結果,估計易淹水地區之洪災損失函數,並有系統的估算出水災可能造成之家戶損失。內容包含,人力資本損失與人造資本損失,並藉以分析治理計畫的實際效益。最後,本文以嘉義縣新塭示範區爲例,進行實際的治理工程效益評估,該計畫的家戶效益爲每年14,766,824元。 |
英文摘要 | This study evaluates the household benefits of a flood reduction plan based on the loss estimations both with and without flood prevention measures under various precipitation return periods (accumulated probability). 'Flood-prone Area Management Plan,' which aims to ease the impact caused by flood hazards, was ratified by the Executive Yuan, Taiwan, in 2006. Since this plan is one of the government's biggest projects, it is important to evaluate the benefits of the plan. In Taiwan, the benefits of a construction project are traditionally conducted from the engineering point of view where both the direct and indirect benefits are estimated. However, it is difficult to distinguish the actual direct and indirect losses caused by floods and that makes the evaluation of direct benefits difficult. In addition, the official loss evaluations are mainly based on the rough estimates made by the fishery, farming and other industries, even though households are generally more vulnerable to floods in most flood-prone areas. This study thus builds a household flood loss model that is based on household survey data and where the definition of flood loss is consistent with welfare economics. The household flood loss includes human resource losses and man-made property losses, such as construction losses, furniture losses, vehicle losses, etc. Finally, the 'Flood Reduction Plan in Sinwen area, Chia-Yi County, Taiwan' is chosen in order to perform a real assessment. The annual expected benefit accruing to households from the plan is NTD 14,766,824. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。