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  • 學位論文

氣候變遷對洪水頻率之影響-蘭陽溪上游集水區為例

Flood Frequency Analysis of Lanyang River Under Climate Change

指導教授 : 陳彥璋

摘要


近年因氣候變遷導致全球氣候的極端情況愈來愈明顯,溫室效應促使溫度升高,改變了降雨量、逕流量等大小,水文循環也因此遭到改變。 本研究針對蘭陽溪上游集水區為研究區域,且利用GCMs中的CGCM2_3_2(日本)、CM2.1(美國)和ECHAM5(德國)三種模式中A1B、A2和B1情境的短、中、長期之日雨量和日溫度數據在SWAT水文模式中模擬情境日流量。運用該模擬日流量進行頻率分析,經過機率分佈適合度檢定後,以各情境時期之最適合解分佈法推估未來洪水頻率曲線。 最後以推估出之未來洪水頻率去探討各情境時期在不同模式和基期(1980~1999)流量的差異度比較情況,得到CGCM2_3_2模式較基期流量為大,故為符合未來氣候變遷之流量趨勢外,且政府應正視蘭陽溪上游集水區之安全措施。

並列摘要


In recent year , the visible extreme situation results from global climate change. Greenhouse effect induce rise of temperature and change the magnitude of rainfall and stream flow , so hydrologic cycle is suffered a change. The research is mainly aimed at the upper basin of LanYang River. The using of GCMs in CGCM2_3_2 (Japan), CM2.1 (USA) andECHAM5 (Germany), three modes A1B, A2 and B1 scenarios of short, medium and long-term the daily rainfall and daily temperature data in the SWAT hydrological model to simulate the situation on the traffic flow. The daily flow simulation using frequency analysis through post-test probability distribution fit to the situation during the distribution method best suited to understand the future of flood frequency curve estimate. Finally, in order to estimate the future flood frequency are going to study the situation during the different modes and base period(1980 ~ 1999) flow differences can be compared the situation to get CGCM2_3_2 mode than base flow for large, and are thus in line with future climate change of the traffic trends outside , and the government should address the LanYang River upper catchment of the security measures.

參考文獻


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被引用紀錄


趙紀翔(2012)。氣候變遷對蘭陽溪流域影響評估〔碩士論文,國立臺北科技大學〕。華藝線上圖書館。https://www.airitilibrary.com/Article/Detail?DocID=U0006-3107201221054300

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