气候变化领域集成服务门户(CCPortal): Mean and Seasonal Circulation of the Eastern Chukchi Sea From Moored Timeseries in 2013

CCPortal

DOI	10.1029/2020JC016863
	Mean and Seasonal Circulation of the Eastern Chukchi Sea From Moored Timeseries in 2013–2014
	Tian F.; Pickart R.S.; Lin P.; Pacini A.; Moore G.W.K.; Stabeno P.; Weingartner T.; Itoh M.; Kikuchi T.; Dobbins E.; Bell S.; Woodgate R.A.; Danielson S.L.; Wang Z.
发表日期	2021
ISSN	21699275
卷号	126 期号:5
英文摘要	From late-summer 2013 to late-summer 2014, a total of 20 moorings were maintained on the eastern Chukchi Sea shelf as part of five independent field programs. This provided the opportunity to analyze an extensive set of timeseries to obtain a broad view of the mean and seasonally varying hydrography and circulation over the course of the year. Year-long mean bottom temperatures reflected the presence of the strong coastal circulation pathway, while mean bottom salinities were influenced by polynya/lead activity along the coast. The timing of the warm water appearance in spring/summer is linked to advection along the various flow pathways. The timing of the cold water appearance in fall/winter was not reflective of advection nor related to the time of freeze-up. Near the latitude of Barrow Canyon, the cold water was accompanied by freshening. A one-dimensional mixed-layer model demonstrates that wind mixing, due to synoptic storms, overturns the water column resulting in the appearance of the cold water. The loitering pack ice in the region, together with warm southerly winds, melted ice and provided an intermittent source of fresh water that was mixed to depth according to the model. Farther north, the ambient stratification prohibits wind-driven overturning, hence the cold water arrives from the south. The circulation during the warm and cold months of the year is different in both strength and pattern. Our study highlights the multitude of factors involved in setting the seasonal cycle of hydrography and circulation on the Chukchi shelf. © 2021. American Geophysical Union. All Rights Reserved.
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/186309
作者单位	International Polar Environmental Research Laboratory, College of Oceanography, Hohai University, Nanjing, China; Woods Hole Oceanographic Institution, Woods Hole, MA, United States; Department of Physics, University of Toronto, Toronto, ON, Canada; Pacific Marine Environmental Laboratory, National Oceanic and Atmospheric Administration, Seattle, WA, United States; College of Fisheries and Ocean Sciences, University of Alaska, Fairbanks, AK, United States; Institute of Observational Research for Global Change, Japan Agency for Marine-Earth Science and Technology, Yokosuka, Japan; Joint Institute for the Study of the Atmosphere and Oceans, University of Washington, Seattle, WA, United States; Applied Physics Laboratory, University of Washington, Seattle, WA, United States
推荐引用方式 GB/T 7714	Tian F.,Pickart R.S.,Lin P.,等. Mean and Seasonal Circulation of the Eastern Chukchi Sea From Moored Timeseries in 2013–2014[J],2021,126(5).
APA	Tian F..,Pickart R.S..,Lin P..,Pacini A..,Moore G.W.K..,...&Wang Z..(2021).Mean and Seasonal Circulation of the Eastern Chukchi Sea From Moored Timeseries in 2013–2014.Journal of Geophysical Research: Oceans,126(5).
MLA	Tian F.,et al."Mean and Seasonal Circulation of the Eastern Chukchi Sea From Moored Timeseries in 2013–2014".Journal of Geophysical Research: Oceans 126.5(2021).