Glacial melting pulses in the Antarctica: Evidence for different responses to regional effects of global warming recorded in Antarctic bivalve shell (Laternula elliptica)

doi:10.1016/j.jmarsys.2019.05.005

	Glacial melting pulses in the Antarctica: Evidence for different responses to regional effects of global warming recorded in Antarctic bivalve shell (Laternula elliptica)
	Woo, Kyung Sik 1; Kim, Jin-Kyoung 2,7; Lee, Jae Il 3; Lim, Hyoun Soo 4; Yoo, Kyu-Cheul 3; Summerhayes, Colin P.5; Ahn, In-Young 3; Kang, Sung-Ho 3; Kil, Youngwoo 6
刊名	JOURNAL OF MARINE SYSTEMS
	2019-09
卷号	197
关键词	Glacier melting Global warming Antarctic bivalve shell Laternula elliptica Maxwell Bay Antarctica
ISSN号	0924-7963
DOI	10.1016/j.jmarsys.2019.05.005
英文摘要	Meltwater history of the Antarctic bivalve Laternula elliptica in Maxwell Bay, King George Island near the Antarctic Peninsula was reconstructed during the shell growth. High resolution trace elemental and stable isotopic compositions along the aragonite outer part of the shell together with growth bands shows that the shell lived for 9 years with distinct annual cycles. Also oxygen and carbon isotope values reveal the local meltwater history in Antarctic Peninsula region. More negative oxygen isotope values than the predicted equilibrium values clearly show that oxygen isotope depletion is due to lower salinity of seawater by glacial melting. This is also confirmed by the similar trend of low carbon isotope values as well as monitored sea surface salinity values. Comparing delta O-18 values of previous results using the same bivalve species, more negative values from the Antarctic Peninsula (Maxwell Bay) during the austral winter than from East Antarctica (Syowa Coast and Ross Sea) suggests that perennial glacial melting influenced seawater delta O-18 composition near the peninsula. Also, more negative and variable bivalve delta O-18 values during austral summer indicate that meltwater pulses fluctuated greatly in the study area. Distinctively different trends in bivalve delta O-18 profiles between the Antarctic Peninsula and East Antarctica may reflect differential responses to regional warming with regard to the recent global warming over the past few decades.
资助项目	KOPRI[PE19030]
WOS关键词	KING-GEORGE ISLAND ; CLIMATE-CHANGE ; MCMURDO SOUND ; MARIAN COVE ; SURFACE ; PENINSULA ; CARBON ; OXYGEN ; RATIOS ; GROWTH
WOS研究方向	Geology ; Marine & Freshwater Biology ; Oceanography
语种	英语
出版者	ELSEVIER SCIENCE BV
WOS记录号	WOS:000475993900006
内容类型	期刊论文
源URL	[http://ir.fio.com.cn:8080/handle/2SI8HI0U/24624]
专题	自然资源部第一海洋研究所
通讯作者	Kim, Jin-Kyoung
作者单位	1.Kangwon Natl Univ, Chunchon 24341, South Korea 2.Korea Inst Ocean Sci & Technol, Busan 49111, South Korea 3.Korea Polar Res Inst, Incheon 21990, South Korea 4.Pusan Natl Univ, Busan 46241, South Korea 5.Univ Cambridge, Cambridge CB2 1ER, England 6.Chonnam Natl Univ, Gwangju 61186, South Korea 7.First Inst Oceanog, Qingdao 266061, Shandong, Peoples R China
推荐引用方式 GB/T 7714	Woo, Kyung Sik,Kim, Jin-Kyoung,Lee, Jae Il,et al. Glacial melting pulses in the Antarctica: Evidence for different responses to regional effects of global warming recorded in Antarctic bivalve shell (Laternula elliptica)[J]. JOURNAL OF MARINE SYSTEMS,2019,197.
APA	Woo, Kyung Sik.,Kim, Jin-Kyoung.,Lee, Jae Il.,Lim, Hyoun Soo.,Yoo, Kyu-Cheul.,...&Kil, Youngwoo.(2019).Glacial melting pulses in the Antarctica: Evidence for different responses to regional effects of global warming recorded in Antarctic bivalve shell (Laternula elliptica).JOURNAL OF MARINE SYSTEMS,197.
MLA	Woo, Kyung Sik,et al."Glacial melting pulses in the Antarctica: Evidence for different responses to regional effects of global warming recorded in Antarctic bivalve shell (Laternula elliptica)".JOURNAL OF MARINE SYSTEMS 197(2019).