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題 名 | 以小時降雨量之情報比探討山坡地降雨之類似性=Hourly Rainfall Similarity on Slopeland from the Viewpoint of Information Ratio |
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作 者 | 徐森雄; 陳韻如; 張哲寬; 廖錦城; | 書刊名 | 國立屏東科技大學學報 |
卷 期 | 9:3 2000.09[民89.09] |
頁 次 | 頁213-223 |
分類號 | 354.7722 |
關鍵詞 | 山坡地; 情報比; 小時降雨量; Slopeland; Information ratio; Bourly rainfall; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究以下述兩個案例之小時降雨資料利用情報比探討坡地降雨之類似性,並更進一步探討情報比與地形因子之關係: 1. 1996年7月31日及8月1日賀伯颱風來襲期間,南投縣境10個雨量測站資料。 2. 1988~1997十年間每年夏季臺灣中部地區嘉義、日月潭、阿里山及玉山等氣象測站降雨資料。 結果得知,當降雨型態愈接近時,情報比愈高,小時降雨資料之情報比與日降雨資料者不同,其與相關係數間並未必然呈現顯著之相關關係。且採用之雨量資料期間較長者,其情報比較高,較易看出測站間之降雨類似程度。 |
英文摘要 | Similarity of precipitation between locations was investigated in this study from the viewpoints of information ratio and correlation coefficient. Two cases were selected to demonstrate the objective of this study. They included: 1. Total of 10 gauging stations in Nantou county was selected for data analysis. The precipitation records consisted mainly the rainfall data of Typhoon Herb which visited Taiwan from July 31 to August 1st, 1996. 2. Precipitation data gathered from 1988 to 1997 throughout Chia-I, Jihyehtan, Alishan and Yushan gauging stations. Only data during summer periods were analysis in this study. The preliminary results indicate that closer the rainfall pattern occurred in two locations, higher the information ratio. The information ratio of hourly rainfall records was found different from that of daily rainfall, and it was not absolute related with the correlation conefficient. In addition, longer the observation period, higher the information ratio. Therefore, to further estimate the similarity of rainfall between different geographical locations, long observation period for each gauging station is necessary. |
本系統中英文摘要資訊取自各篇刊載內容。