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Park, Myung-Sook
School of Urban and Environmental Engineering
Research Interests
  • Improvement of our fundamental understanding of cloud physical process and latent heating and cooling rates in tropical cyclones and other synoptic- to large-scale circulations.
  • To evaluate model simulated cloud process with ground-truth assuming field-experiment observations and to improve the cloud parameterization process of models of all scales.
  • Mechanisms responsible for a genesis and decay of tropical convective systems in association with large-scale environmental and surface thermodynamic variability.

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Spatial and diurnal variations of storm heights in the East Asia summer monsoon: storm height regimes and large-scale diurnal modulation

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Title
Spatial and diurnal variations of storm heights in the East Asia summer monsoon: storm height regimes and large-scale diurnal modulation
Author
Park, Myung-SookLee, Myong-InKim, HyerimIm, JunghoYoo, Jung-Moon
Issue Date
2016-02
Publisher
SPRINGER
Citation
CLIMATE DYNAMICS, v.46, no.3-4, pp.745 - 763
Abstract
This study investigates the spatial and diurnal variation of storm height in the East Asia summer monsoon region using 13-year Tropical Rainfall Measuring Mission Precipitation Radar data. Precipitating storms are classified as shallow (<5 km), middle (5-10 km), and deep (>10 km) depending the height. Four different regimes are identified to characterize the region: the continental (CT) shallow regime over inland China with elevated terrain, the CT deep over the Chinese Plain, the coastal (CS) middle over the East China Sea and South Sea of Korea, and the CS shallow over the south coastal area of Japan. This regime separation reflects well the distinctive regional difference in the rainfall contribution by each storm type. The occurrence frequencies of shallow, middle, and deep storms exhibit pronounced diurnal variation as well, but with significant differences in the amplitude and phase across the regimes. These lead to a diversity in the diurnal variation of surface rainfall such as bimodal morning and late evening peaks in the two CT regimes and the single morning peak in the two CS regimes. Processes involved in the diurnal variation of storms are different across the regimes, indicating difference in the contributing role of surface heating, large-scale diurnal circulation, and diurnal propagations of convective systems. The storm height also affects the rain intensity. This study highlights that the East Asia summer monsoon has distinctive sub-regional variation of the storm height distribution, thereby providing unique differences in the rainfall amount, intensity, and the diurnal variation. &copy; 2015 Springer-Verlag Berlin Heidelberg
URI
https://scholarworks.unist.ac.kr/handle/201301/17807
URL
http://link.springer.com/article/10.1007%2Fs00382-015-2610-5
DOI
10.1007/s00382-015-2610-5
ISSN
0930-7575
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