Determination of domain for diagnostic wind field estimation in Korea

Jin Young Kim, Young Sung Ghim, Yong Pyo Kim, Donald Dabdub

Research output: Contribution to journalArticlepeer-review

3 Scopus citations


A diagnostic routine is applied to estimate wind fields for two coastal areas with mountains in Korea. The reliability of the predicted wind fields is assessed by calculating the maximum differences of wind speed and direction between two successive estimations by increasing the size of the estimation domain over the target domain. The differences decrease and stabilize after a critical increment to produce an optimum domain size used to estimate wind fields. Although a larger radius of influence and a larger grid size could increase the stability of convergence, they smooth the predicted wind field and decrease the resolution. The study also reveals that the estimated wind field shows larger differences from the wind field obtained with all stations available in the country, at higher mountains along the boundaries beyond which stations would be added if larger domains are employed. Copyright (C) 1999.

Original languageEnglish
Pages (from-to)595-601
Number of pages7
JournalAtmospheric Environment
Issue number4
StatePublished - Jan 2000

Bibliographical note

Funding Information:
This work was supported by the Korea Institute of Science and Technology and partly also by a grant from the IBM Environmental Research Program. Any opinions, findings and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the IBM Corporation.


  • Boundary topography
  • Diagnostic wind field estimation
  • Distribution of stations
  • Sensitivity analysis


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