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-normality was found to have a higher impact on the cokriging result than the data intermittency.
| Original language | English |
|---|---|
| Article number | 125178 |
| Journal | Journal of Hydrology |
| Volume | 589 |
| DOIs | |
| Publication status | Published - 2020 Oct 1 |
Bibliographical note
Funding Information:This work was supported by Basic Science Research Program through the Ministry of Education of the Republic of Korea and the National Research Foundation of the Republic of Korea ( NRF-2016R1D1A1A09918155 ).
Publisher Copyright:
© 2020 Elsevier B.V.
Keywords
- Cokriging
- Intermittency
- Log-normality
- Merging
ASJC Scopus subject areas
- Water Science and Technology
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