气候变化领域集成服务门户(CCPortal): Estimation of Vertical Heat Diffusivity at the Base of the Mixed Layer in the Bay of Bengal

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DOI	10.1029/2019JC015402
	Estimation of Vertical Heat Diffusivity at the Base of the Mixed Layer in the Bay of Bengal
	Girishkumar M.S.; Ashin K.; McPhaden M.J.; Balaji B.; Praveenkumar B.
发表日期	2020
ISSN	21699275
卷号	125 期号:5
英文摘要	One approach to estimating vertical heat diffusivity (KT) is to compute it from the residual of the mixed layer (ML) heat budget. Based on this approach, we use moored buoy data at 15°N, 12°N, and 8°N along 90°E over the period of 2007–2018 to estimate the seasonal average of KT at the base of the mixed layer in the Bay of Bengal (BoB). We find that KT is lower during spring and higher during winter compared to summer and fall at the mooring locations. Moreover, KT is generally higher in the southern BoB compared to the northern BoB. The present study also shows that the seasonal and spatial variability of KT is modulated both by stratification at the base of ML and by seasonal and spatial heterogeneity in atmospheric forcing, most notably wind stress and buoyancy flux. The availability of information on the spatial and seasonal variability of KT in the BoB will facilitate evaluation and validation of turbulent mixing parameterization schemes incorporated into ocean models. ©2020. American Geophysical Union. All Rights Reserved.
英文关键词	Bay of Bengal; heat budget; mixed layer; vertical heat diffusivity
语种	英语
来源期刊	Journal of Geophysical Research: Oceans
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/186866
作者单位	Indian National Centre for Ocean Information Services, Hyderabad, India; Pacific Marine Environmental Laboratory, National Oceanic and Atmospheric Administration, Seattle, WA, United States; Indian Institute of Tropical Meteorology, Pashan, Pune, India
推荐引用方式 GB/T 7714	Girishkumar M.S.,Ashin K.,McPhaden M.J.,et al. Estimation of Vertical Heat Diffusivity at the Base of the Mixed Layer in the Bay of Bengal[J],2020,125(5).
APA	Girishkumar M.S.,Ashin K.,McPhaden M.J.,Balaji B.,&Praveenkumar B..(2020).Estimation of Vertical Heat Diffusivity at the Base of the Mixed Layer in the Bay of Bengal.Journal of Geophysical Research: Oceans,125(5).
MLA	Girishkumar M.S.,et al."Estimation of Vertical Heat Diffusivity at the Base of the Mixed Layer in the Bay of Bengal".Journal of Geophysical Research: Oceans 125.5(2020).