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Characteristics and Mechanisms of Marine Heatwaves in the East Asian Marginal Seas: Regional and Seasonal Differences
| Content Provider | MDPI |
|---|---|
| Author | Choi, Wonkeun Bang, Minkyoung Joh, Youngji Ham, Yoo-Geun Kang, Namyoung Jang, Chan Joo |
| Copyright Year | 2022 |
| Description | Characteristics of marine heatwaves (MHWs) in the East Asian Marginal Seas (EAMS) were investigated using the daily Optimum Interpolation Sea Surface Temperature for 37 years (1982–2018), focusing on seasonal changes and regional differences. The summer MHWs occur 54% more frequently (2.7 events/decade) in a relatively wide area than in other seasons. The strong (up to 3.7 °C), long-lasting (up to 38 days/event) winter MHWs are concentrated along the subpolar front (SPF) in the East/Japan Sea (EJS) where the MHWs are 20% longer (2.2 days/event) than in the Yellow and East China Seas (YECS). The summer MHWs are primarily driven by increased shortwave radiation associated with reduced cloud cover and latent cooling from the weakened wind over the western flank of developing subtropical highs. Driving mechanisms of the winter MHWs differ by region. The YECS MHWs occur mainly due to the atmospheric processes associated with weakening continental highs while the EJS MHWs are largely driven by the northward shift of the SPF. Although large-scale atmospheric processes primarily drive the summer MHWs occurring in a wide area in the EAMS, our findings suggest that ocean processes can be a major contributor to intensified MHW generation in limited areas especially in winter. |
| Starting Page | 3522 |
| e-ISSN | 20724292 |
| DOI | 10.3390/rs14153522 |
| Journal | Remote Sensing |
| Issue Number | 15 |
| Volume Number | 14 |
| Language | English |
| Publisher | MDPI |
| Publisher Date | 2022-07-22 |
| Access Restriction | Open |
| Subject Keyword | Remote Sensing Oceanography Marine Heatwaves Sea Surface Temperature Ocean Dynamics Atmospheric Forcing Composite Analysis Extreme Climate |
| Content Type | Text |
| Resource Type | Article |
