气候变化领域集成服务门户(CCPortal): E3SMv0-HiLAT: A Modified Climate System Model Targeted for the Study of High-Latitude Processes

CCPortal

DOI	10.1029/2018MS001524
	E3SMv0-HiLAT: A Modified Climate System Model Targeted for the Study of High-Latitude Processes
	Hecht M.; Veneziani M.; Weijer W.; Kravitz B.; Burrows S.; Comeau D.; Hunke E.; Jeffery N.; Urrego-Blanco J.; Wang H.; Wang S.; Zhang J.; Bailey D.; Mills C.; Rasch P.; Urban N.
发表日期	2019
ISSN	19422466
起始页码	2814
结束页码	2843
卷号	11 期号:8
英文摘要	We document the configuration, tuning, and evaluation of a modified version of the Community Earth System Model version 1 (Hurrell et al., 2013, https://doi.org/10.1175/BAMS-D-12), introduced here as E3SMv0-HiLAT, intended for study of high-latitude processes. E3SMv0-HiLAT incorporates changes to the atmospheric model affecting aerosol transport to high northern latitudes and to reduce shortwave cloud bias over the Southern Ocean. An updated sea ice model includes biogeochemistry that is coupled to an extended version of the ocean model's biogechemistry. This enables cloud nucleation to depend on the changing marine emissions of aerosol precursors, which may be expected in scenarios with strongly changing sea ice extent, oceanic stratification and associated nutrient availability, and atmospheric state. An evaluation of the basic preindustrial state of E3SMv0-HiLAT is presented in order to ensure that its climate is adequate to support future experimentation. Additional capability is not achieved without some cost, relative to the extraordinarily well-tuned model from which it was derived. In particular, a reduction of bias in cloud forcing achieved over the Southern Hemisphere also allows for greater Southern Ocean sea ice extent, a tendency that has been partially but not fully alleviated through experimentation and tuning. The most interesting change in the behavior of the model may be its response to greenhouse gas forcing: While the climate sensitivity is found to be essentially unchanged from that of Community Earth System Model version 1, the adjusted radiative forcing has increased from within one standard deviation above that of Coupled Model Intercomparison Project Phase 5 models to nearly two standard deviations. ©2019. The Authors.
英文关键词	CESM; clouds; Earth System Model; high latitudes
语种	英语
scopus关键词	Aerosols; Atmospheric movements; Atmospheric radiation; Climate change; Clouds; Greenhouse gases; Sea ice; Statistics; CESM; Climate system model; Coupled Model Intercomparison Project; Earth system model; Greenhouse-gas forcing; High Latitudes; Nutrient availability; Southern Hemisphere; Climate models; aerosol; biogeochemistry; climate modeling; cloud radiative forcing; CMIP; greenhouse gas; latitudinal gradient; shortwave radiation; Southern Hemisphere; stratification
来源期刊	Journal of Advances in Modeling Earth Systems
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/156870
作者单位	Los Alamos National Laboratory, Los Alamos, NM, United States; Pacific Northwest National Laboratory, Richland, WA, United States; Now at Department of Earth and Atmospheric Sciences, Indiana University, Bloomington, Bloomington, IN, United States; Now at Xiamen University, Xiamen, China; National Center for Atmospheric Research, Boulder, CO, United States; Amazon Web Services, Seattle, WA, United States
推荐引用方式 GB/T 7714	Hecht M.,Veneziani M.,Weijer W.,et al. E3SMv0-HiLAT: A Modified Climate System Model Targeted for the Study of High-Latitude Processes[J],2019,11(8).
APA	Hecht M..,Veneziani M..,Weijer W..,Kravitz B..,Burrows S..,...&Urban N..(2019).E3SMv0-HiLAT: A Modified Climate System Model Targeted for the Study of High-Latitude Processes.Journal of Advances in Modeling Earth Systems,11(8).
MLA	Hecht M.,et al."E3SMv0-HiLAT: A Modified Climate System Model Targeted for the Study of High-Latitude Processes".Journal of Advances in Modeling Earth Systems 11.8(2019).