Two Types of Heat Wave in Korea Associated With Atmospheric Circulation Pattern
- Title
- Two Types of Heat Wave in Korea Associated With Atmospheric Circulation Pattern
- Author
- 예상욱
- Keywords
- Korean heat wave; zonal wave; meridional wave
- Issue Date
- 2019-07
- Publisher
- AMER GEOPHYSICAL UNION
- Citation
- JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, v. 124, No. 14, Page. 7498-7511
- Abstract
- This study investigates heat wave variability over Korea during 1979-2017. It is found that most of heat waves in Korea can be classified into two distinct types based on the spatial patterns of atmospheric circulation anomalies: the zonal wave (Z-wave) type and the meridional wave (M-wave) type. The Z-wave type is accompanied by large-scale atmospheric waves across the Eurasian continent, while the M-wave type is associated with convective activities over the subtropical western North Pacific. The Z-wave type occurs when the high-pressure node of eastward propagating wave located around Korea and it seems that the associated wave energy could originate from North Atlantic Ocean. The M-wave type, on the other hand, is driven by northward propagating wave train from subtropical western North Pacific to East Asia, which is triggered by anomalous convective activity over the subtropical western North Pacific. By analyzing thermodynamical as well as dynamical variables, detailed descriptions on the physical characteristics of two types of heat wave are presented in this study along with the possible implications for summer climate variability over Korea.
- URI
- https://agupubs.onlinelibrary.wiley.com/doi/abs/10.1029%2F2018JD030170https://repository.hanyang.ac.kr/handle/20.500.11754/121899
- ISSN
- 2169-897X; 2169-8996
- DOI
- 10.1029/2018JD030170
- Appears in Collections:
- COLLEGE OF SCIENCE AND CONVERGENCE TECHNOLOGY[E](과학기술융합대학) > MARINE SCIENCE AND CONVERGENCE ENGINEERING(해양융합공학과) > Articles
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