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Estimation of Return Level of Daily Rainfall Using Peak Over Threshold Theory
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- CHIKAMORI Hidetaka
- Graduate School of Environmental Science, Okayama University
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- NAGAI Akihiro
- Graduate School of Environmental Science, Okayama University
Bibliographic Information
- Other Title
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- Peak Over Threshold 理論による確率日雨量の推定
Description
Return levels of daily rainfall at 21 observatories all over Japan were estimated by applying Peak-Over-Threshold (POT) theory, which is statistics theory of extreme value dealing with data exceeding some specified value, and characteristics of POT estimates were examined by comparing with estimates from Annual Maximum Series (AMS) by applying conventional extreme value theory. Threshold value required to apply POT theory was standardized by using average and standard deviation of annual maximum daily rainfall for summarizing relationship between threshold values and return level estimates at all observatories. Results show that POT and AMS estimates of return level were close for short return period for all observatories; however, significantly different for long return period for some observatories where the largest daily rainfall is far from the second largest.
Journal
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- Transactions of The Japanese Society of Irrigation, Drainage and Rural Engineering
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Transactions of The Japanese Society of Irrigation, Drainage and Rural Engineering 80 (2), 167-175, 2012
The Japanese Society of Irrigation, Drainage and Rural Engineering
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Keywords
Details 詳細情報について
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- CRID
- 1390001205287416576
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- NII Article ID
- 130004555190
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- ISSN
- 18847242
- 18822789
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- Text Lang
- ja
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- Data Source
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- JaLC
- CiNii Articles
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- Abstract License Flag
- Disallowed
