未来RCP4.5情景下黄海DMS浓度变化模拟与分析

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Abstract In order to investigate the past and near future tempo-spatial distributions of surface DMS concentrations (C_DMS), characteristics of change, and their influencing factors in the Yellow Sea, the C_DMS in the Yellow Sea were simulated using a DMS module coupled to an ecological dynamics model of the eastern shelf seas of China. The past climate state dataset (2000~2009) and the near-future climate state dataset (2041~2050) under the RCP4.5 scenario for CORDEX-EA were used to drive the model. The results show that the annual cycle of C_DMS in the Yellow Sea will change in the near future, with the months of very high C_DMS shifting from May and September to April and October in the North Yellow Sea, and from April and September to April and August in the South Yellow Sea. Additionally, the local high C_DMS areas will alter. The C_DMS high value area is strengthened in the following areas: near the Shandong Peninsula in spring; the shallow shore in northern Jiangsu Province; the east-central South Yellow Sea in summer; and the east of the South Yellow Sea in autumn. In the summer, however, the C_DMS high value area weakened near the Shandong Peninsula. The near future heat flux and wind stress have a strong influence on C_DMS in the Shandong Peninsula and the central-eastern part of the South Yellow Sea; precipitation and total cloud cover have a strong influence on C_DMS in the West Korea Bay; and C_DMS in the shallows of northern Jiangsu Province are affected by all climate factors.

Key words： surface DMS concentrations RCP4.5 scenario the Yellow Sea CORDEX-EA ecological model spatial distribution

Received: 24 February 2022

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X171

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	LI Fei
	ZHAO Liang
	SHEN Jia-wei
	YAO Jie
	WANG Sheng

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LI Fei,ZHAO Liang,SHEN Jia-wei等. Simulations of DMS concentration changes in the Yellow Sea under the future RCP4.5 scenario[J]. CHINA ENVIRONMENTAL SCIENCECE, 2022, 42(9): 4304-4314.

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http://www.zghjkx.com.cn/EN/ OR http://www.zghjkx.com.cn/EN/Y2022/V42/I9/4304

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