NDLI: Future Changes of Agro-Climate and Heat Extremes over S. Korea at 2 and 3 °C Global Warming Levels with CORDEX-EA Phase 2 Projection

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Future Changes of Agro-Climate and Heat Extremes over S. Korea at 2 and 3 °C Global Warming Levels with CORDEX-EA Phase 2 Projection

Content Provider	MDPI
Author	Jo, Sera Shim, Kyo-Moon Hur, Jina Kim, Yong-Seok Ahn, Joong-Bae
Copyright Year	2020
Description	The changes of agro-climate and heat extremes, and their impact on rice cultivation are assessed over South Korea in context of 2 and 3 °C global warming levels (GWL) compared to pre-industrial levels, with ensemble regional climate model projection produced under the Coordinated Regional Climate Downscaling Experiment–East Asia (CORDEX-EA) phase 2 protocols. It is found that the mean temperature increase under global warming has not only positive effects such as the extension of vegetable and crop periods and the widening of the cultivatable regions but also negative effects due to the shortening of the reproductive growth period. On the other hand, extreme heat changes in the future clearly show a negative effect on rice cultivation via the increase of hot days during heat-sensitive stages (27.16% under 2 °C GWL, 54.59% under 3 °C GWL) among rice phenology which determines the rice yield in tandem with rice flowering, ripening, and sterility problems. The major type of heat extreme is dominated by nationwide warm anomalies covering entire S. Korea, and the proportion of this type is projected to increase from 35.8% to 49.5% (57.4%) under 2 °C (3 °C) GWL in association with the thermal expansion of atmosphere which links to the favorable environment for occurring barotropic anti-cyclonic system.
Starting Page	1336
e-ISSN	20734433
DOI	10.3390/atmos11121336
Journal	Atmosphere
Issue Number	12
Volume Number	11
Language	English
Publisher	MDPI
Publisher Date	2020-12-09
Access Restriction	Open
Subject Keyword	Atmosphere Atmospheric Sciences Agro-climate Change Paris Agreement Heat Extreme 2 °c Warming Cordex-ea2
Content Type	Text
Resource Type	Article

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