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請使用永久網址來引用或連結此文件:
https://irlib.pccu.edu.tw/handle/987654321/29166
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| 題名: | Spatiotemporal Scaling Effect on Rainfall Network Design Using Entropy |
| 作者: | Wei, Chiang
Yeh, Hui-Chung
Chen, Yen-Chang |
| 貢獻者: | 土資系 |
| 關鍵詞: | scaling effect
rainfall network design
entropy |
| 日期: | 2014-08 |
| 上傳時間: | 2015-01-22 09:08:36 (UTC+8) |
| 摘要: | Because of high variation in mountainous areas, rainfall data at different spatiotemporal scales may yield potential uncertainty for network design. However, few studies focus on the scaling effect on both the spatial and the temporal scale. By calculating the maximum joint entropy of hourly typhoon events, monthly, six dry and wet months and annual rainfall between 1992 and 2012 for 1-, 3-, and 5-km grids, the relocated candidate rain gauges in the National Taiwan University Experimental Forest of Central Taiwan are prioritized. The results show: (1) the network exhibits different locations for first prioritized candidate rain gauges for different spatiotemporal scales; (2) the effect of spatial scales is insignificant compared to temporal scales; and (3) a smaller number and a lower percentage of required stations (PRS) reach stable joint entropy for a long duration at finer spatial scale. Prioritized candidate rain gauges provide key reference points for adjusting the network to capture more accurate information and minimize redundancy. |
| 關聯: | ENTROPY 卷: 16 期: 8 頁碼: 4626-4647 |
| 顯示於類別: | [土地資源學系] 期刊論文
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