气候变化领域集成服务门户(CCPortal): MJO Propagation Across the Maritime Continent: Are CMIP6 Models Better Than CMIP5 Models?

CCPortal

DOI	10.1029/2020GL087250
	MJO Propagation Across the Maritime Continent: Are CMIP6 Models Better Than CMIP5 Models?
	Ahn M.-S.; Kim D.; Kang D.; Lee J.; Sperber K.R.; Gleckler P.J.; Jiang X.; Ham Y.-G.; Kim H.
发表日期	2020
ISSN	0094-8276
卷号	47 期号:11
英文摘要	Many climate models struggle with a poor simulation of the Madden-Julian Oscillation (MJO), especially its propagation across the Maritime Continent (MC). This study quantitatively evaluates the robustness of MJO propagation over the MC in climate models that participated in Coupled Model Intercomparison Project Phase 5 (CMIP5) and Phase 6 (CMIP6) with a newly developed MC propagation metric. The results show that the CMIP6 models simulate MJO propagation over the MC more realistically than the CMIP5 models. Lower free-tropospheric moisture budget analysis highlights that the greater horizontal moisture advection is responsible for the enhanced MJO propagation over the MC. The increase in horizontal moisture advection in the CMIP6 models is mainly attributed to the steeper horizontal mean state moisture gradient around the MC, which is associated with the reduction of the equatorial dry bias. © 2020. The Authors.
英文关键词	Advection; Budget control; Climatology; Moisture; Coupled Model Intercomparison Project; Madden-Julian oscillation; Maritime Continent; Moisture advection; Moisture gradient; Tropospheric moisture; Climate models; advection; climate modeling; CMIP; continental interior; Madden-Julian oscillation; moisture content; troposphere
语种	英语
来源期刊	Geophysical Research Letters
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/170267
作者单位	Department of Atmospheric Sciences, University of Washington, Seattle, WA, United States; Department of Oceanography, Chonnam National University, Gwangju, South Korea; PCMDI, Lawrence Livermore National Laboratory, Livermore, CA, United States; Joint Institute for Regional Earth System Science and Engineering, University of California, Los Angeles, CA, United States; Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States; School of Marine and Atmospheric Sciences, Stony Brook University, Stony Brook, NY, United States
推荐引用方式 GB/T 7714	Ahn M.-S.,Kim D.,Kang D.,et al. MJO Propagation Across the Maritime Continent: Are CMIP6 Models Better Than CMIP5 Models?[J],2020,47(11).
APA	Ahn M.-S..,Kim D..,Kang D..,Lee J..,Sperber K.R..,...&Kim H..(2020).MJO Propagation Across the Maritime Continent: Are CMIP6 Models Better Than CMIP5 Models?.Geophysical Research Letters,47(11).
MLA	Ahn M.-S.,et al."MJO Propagation Across the Maritime Continent: Are CMIP6 Models Better Than CMIP5 Models?".Geophysical Research Letters 47.11(2020).