|
Hokkaido University Collection of Scholarly and Academic Papers >
Graduate School of Environmental Science / Faculty of Environmental Earth Science >
Peer-reviewed Journal Articles, etc >
Intensification of hot Eurasian summers by climate change and land-atmosphere interactions
This item is licensed under:Creative Commons Attribution 4.0 International
| Title: | Intensification of hot Eurasian summers by climate change and land-atmosphere interactions |
| Authors: | Sato, Tomonori Browse this author →KAKEN DB | | Nakamura, Tetsu Browse this author |
| Issue Date: | 26-Jul-2019 |
| Publisher: | Nature Publishing Group |
| Journal Title: | Scientific reports |
| Volume: | 9 |
| Start Page: | 10866 |
| Publisher DOI: | 10.1038/s41598-019-47291-5 |
| Abstract: | Persistent abnormal hot weather can cause considerable damage to human society and natural environments. In northern Eurasia, the recent change in summer surface air temperature exhibits a heterogeneous pattern with accelerated warming around the Eastern European Plain and Central Siberia, forming a wave train-like structure. However, the key factors that determine the magnitude and spatial distribution of this summer temperature trend remain unclear. Here, a huge ensemble of general circulation model (GCM) simulations show that the recent summer temperature trend has been intensified by two factors: steady warming induced by external forcing and inhomogeneous warming induced by internal atmosphere-land interactions that amplify quasi-stationary waves. The latter is sensitive to both snow cover and soil moisture anomalies in the spring, suggesting the potential of land surface monitoring for better seasonal prediction of summer temperatures. Dramatic changes in the circumpolar environment, characterised by Eurasian snow variation and Arctic Ocean warming, collectively affect summertime climate via memory effects of the land surface. |
| Rights: | https://creativecommons.org/licenses/by/4.0/ |
| Type: | article |
| URI: | http://hdl.handle.net/2115/75389 |
| Appears in Collections: | 環境科学院・地球環境科学研究院 (Graduate School of Environmental Science / Faculty of Environmental Earth Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)
|
|
