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Consideration of rainfall intermittency and log-normality on the merging of radar and the rain gauge rain rate

Authors
Ro, YonghunYoo, Chulsang
Issue Date
10월-2020
Publisher
ELSEVIER
Keywords
Intermittency; Log-normality; Merging; Cokriging
Citation
JOURNAL OF HYDROLOGY, v.589
Indexed
SCIE
SCOPUS
Journal Title
JOURNAL OF HYDROLOGY
Volume
589
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/52553
DOI
10.1016/j.jhydrol.2020.125178
ISSN
0022-1694
Abstract
This study evaluated the effect of data intermittency and log-normality on the merging of radar and the rain gauge rain rate field by cokriging. The data from Gwanaksan Radar and rain gauges within the radar umbrella were used in this study. A total of four different cases of cokriging results were generated and compared by considering one or both of the data intermittency and log-normality. The results confirmed that the quality of the merged rain rate field could be improved by considering both the data intermittency and the log-normality. In particular, the data log-normally was found to have a higher impact on the cokriging result than the data intermittency.
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Yoo, Chul sang
공과대학 (건축사회환경공학부)
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