Article(id=1233907187244912785, tenantId=1146029695717560320, journalId=1149651085930835976, issueId=1233907180928299124, articleNumber=null, orderNo=null, doi=10.12284/hyxb2021111, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1609171200000, receivedDateStr=2020-12-29, revisedDate=1611676800000, revisedDateStr=2021-01-27, acceptedDate=null, acceptedDateStr=null, onlineDate=1772115998326, onlineDateStr=2026-02-26, pubDate=1627142400000, pubDateStr=2021-07-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1772115998326, onlineIssueDateStr=2026-02-26, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1772115998326, creator=13701087609, updateTime=1772115998326, updator=13701087609, issue=Issue{id=1233907180928299124, tenantId=1146029695717560320, journalId=1149651085930835976, year='2021', volume='43', issue='7', pageStart='1', pageEnd='206', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1772115996820, creator=13701087609, updateTime=1772115996820, updator=13701087609, preIssue=null, nextIssue=null, ext=null, issueFiles=null}, startPage=23, endPage=34, ext={EN=ArticleExt(id=1233907187580457123, articleId=1233907187244912785, tenantId=1146029695717560320, journalId=1149651085930835976, language=EN, title=The role of large-scale circulation on the consistent positive salinity anomaly in the Indian sector of the Antarctic, columnId=1233907181909766263, journalTitle=Haiyang Xuebao, columnName=Polar sea ice and climate change, runingTitle=null, highlight=null, articleAbstract=
The key regions for formation of the Antarctic Bottom Water occupied in the Indian sector of the Southern Ocean. The salinity change of the region has a profound influence on the global climate change. EN4 reanalysis-gridded data, measured seal data, WOD18 data combined with atmospheric reanalysis and sea ice concentration data were all used to explore the sea surface salinity changes in the Indian sector of the Southern Ocean and the response to large-scale circulation anomaly. The observation and reanalysis data both illustrated a significant positive surface salinity anomaly occurred in the Antarctic coast since 2008, especially in the Indian sector. The surface positive salinity anomaly was mainly centered in the Darnley Polynya and the north of Shackleton Ice Shelf. The high salinity shelf water expanded northward from the Antarctic coast and deepened. Meanwhile, the upwelling of Circumpolar Deep Water became increasingly distinct. Our study showed that this positive salinity anomaly was connected with the Antarctic Oscillation (AAO) and the Indian Ocean Dipole (IOD). During the positive AAO and IOD phases, the westerly wind enhanced significantly in the Indian sector and promoted the formation of sea ice, which increased surface salt flux. The significant negative wind curl and low pressure anomaly resulted in the upwelling of salty Circumpolar Deep Water and maintained the positive salinity anomaly. Additionally, increased locally zonal wind shear and enhanced evaporation were important factors as well.
, correspAuthors=Ling Du, authorNote=null, correspAuthorsNote=null, copyrightStatement=Copyright © 2021 Pratacultural Science. All rights reserved., copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, authorCompany=null, fund=null, authors=null, authorsList=Xubin Ni, Ling Du, Huangyuan Shi), CN=ArticleExt(id=1233907191460188490, articleId=1233907187244912785, tenantId=1146029695717560320, journalId=1149651085930835976, language=CN, title=大尺度环流异常对南极印度洋扇区海表面高盐异常的影响, columnId=1233907182194978940, journalTitle=海洋学报, columnName=极地海冰与气候研究, runingTitle=null, highlight=null, articleAbstract=
南极印度洋扇区分布了许多南极底层水的生成区,此海域海水盐度变化对全球的气候变化有着深远影响。本文采用EN4再分析数据、实测海豹资料和WOD18数据,结合大气再分析和海冰密集度数据,对南极印度洋扇区表面盐度长期变化及其对大尺度环流异常的响应进行探究。2008年以来,南极沿岸出现显著的海表面持续性高盐异常,其中印度洋扇区变化最为显著,表层高盐水主要集中在达恩利冰间湖附近与沙克尔顿冰架以北的海域。沿岸海域的高盐陆架水向北扩张且影响深度不断加深,高盐的绕极深层水上涌也更加明显。此高盐异常与南极涛动(Antarctic Oscillation,AAO)、印度洋偶极子(Indian Ocean Dipole,IOD)两种大尺度环流密切相关。AAO与IOD正位相下,西风显著增强,促进海冰大量生成,为海表面提供了大量的盐通量。同时,海表面出现更显著的风场旋度负异常与低压异常,促进高盐深层水上涌,对高盐异常有重要维持作用。此外,纬向风剪切与蒸发增强也是影响该高盐异常的重要局地过程。
, correspAuthors=杜凌, authorNote=null, correspAuthorsNote=
, copyrightStatement=版权所有©《海洋学报》编辑部 2021
倪旭彬,杜凌,史荒原. 大尺度环流异常对南极印度洋扇区海表面高盐异常的影响[J]. 海洋学报,2021,43(7):23–34Ni Xubin,Du Ling,Shi Huangyuan. The role of large-scale circulation on the consistent positive salinity anomaly in the Indian sector of the Antarctic[J]. Haiyang Xuebao,2021, 43(7):23–34
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Journal of Geophysical Research: Oceans, 2008, 113(C2): C02004.4., articleTitle=null, refAbstract=null)], funds=[Fund(id=1234047117090673184, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1233907187244912785, awardId=null, language=CN, fundingSource=国家重点研发计划重点专项课题(2018YFA0605701);全球变化研究国家重大科学研究计划(2015CB953902);国家自然科学基金(41576020,41976217), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1234047109624811806, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1233907187244912785, xref=1, ext=[AuthorCompanyExt(id=1234047109649977633, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1233907187244912785, companyId=1234047109624811806, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1College of Oceanic and Atmospheric Sciences, Ocean University of China, Qingdao 266100, China), AuthorCompanyExt(id=1234047109658366242, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1233907187244912785, companyId=1234047109624811806, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1中国海洋大学 海洋与大气学院,山东 青岛 266100)])], figs=[ArticleFig(id=1234047113152221633, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1233907187244912785, language=EN, label=Fig. 1, caption=
The first two EOFs of EN4 sea surface salinity in the south of 60°S from 1950 to 2018The time series of the first two EOFs are shown in a. b and c are the first and second mode with each contribution
, figureFileSmall=r4GIi6EFNbeyvkC3wqp2eA==, figureFileBig=WmvdKRZMUSwBYaw/PQxdXA==, tableContent=null), ArticleFig(id=1234047113257079236, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1233907187244912785, language=CN, label=图1, caption=
1950−2018年60°S以南的EN4海表面盐度EOF分析结果a为EOF分析的时间序列。b、c分别为EOF分析的第一、第二模态,图中数值为对应的方差贡献率
, figureFileSmall=r4GIi6EFNbeyvkC3wqp2eA==, figureFileBig=WmvdKRZMUSwBYaw/PQxdXA==, tableContent=null), ArticleFig(id=1234047113391296970, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1233907187244912785, language=EN, label=Fig. 2, caption=
The low frequency change of sea surface salinity derived from the observed and reanalysis data (a) and the wavelet analysis (b) in the Indian sector of the Southern Ocean (ISO), figureFileSmall=gflnCgvA3e344RH5luj94g==, figureFileBig=C9aAQLXCvjKl7gPl8o0AXg==, tableContent=null), ArticleFig(id=1234047113462600148, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1233907187244912785, language=CN, label=图2, caption=
南极印度洋扇区表层盐度变化(a)及其小波分析(b), figureFileSmall=gflnCgvA3e344RH5luj94g==, figureFileBig=C9aAQLXCvjKl7gPl8o0AXg==, tableContent=null), ArticleFig(id=1234047113563263445, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1233907187244912785, language=EN, label=Fig. 3, caption=
Surface salinity distribution derived from MEOP, WOD and EN4 in the Indian sector of the Antarctic during 1979–2002 (a) and 2008–2018 (b) respectively, figureFileSmall=oBSYlRvn/6HM6E3RKhS8UQ==, figureFileBig=ma0EhQtB5S6HkwApT0nYpQ==, tableContent=null), ArticleFig(id=1234047113680703964, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1233907187244912785, language=CN, label=图3, caption=
MEOP、WOD与EN4数据给出的1979–2002年(a)、2008–2018年(b)的南极印度洋扇区表层盐度分布, figureFileSmall=oBSYlRvn/6HM6E3RKhS8UQ==, figureFileBig=ma0EhQtB5S6HkwApT0nYpQ==, tableContent=null), ArticleFig(id=1234047113781367265, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1233907187244912785, language=EN, label=Fig. 4, caption=
The mean salinity profile observations in ISO during two time periods (a), and mean salinity profile in July (b), February (c) of each year, figureFileSmall=opCxJ5cEtE9DBglO3lXTeQ==, figureFileBig=wLRl/4ZaqQhlOQ/xulYZCQ==, tableContent=null), ArticleFig(id=1234047113894613474, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1233907187244912785, language=CN, label=图4, caption=
南极印度洋扇区两个时段的实测年均盐度(a)、各年7月(b)和2月(c)盐度的垂直廓线, figureFileSmall=opCxJ5cEtE9DBglO3lXTeQ==, figureFileBig=wLRl/4ZaqQhlOQ/xulYZCQ==, tableContent=null), ArticleFig(id=1234047113970110950, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1233907187244912785, language=EN, label=Fig. 5, caption=
Meridional mean salinity and temperature (isoline, unit: °C) sections in ISO (30°–120°E) during 1979–2002 (a) and 2008–2018 (b), figureFileSmall=64Ac9F6PuKEJMU/G0qMBTA==, figureFileBig=kW51D8gc63oFG+8Ct5ljHA==, tableContent=null), ArticleFig(id=1234047114079162857, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1233907187244912785, language=CN, label=图5, caption=
1979–2002年(a)和2008–2018年(b)南极印度洋扇区EN4经向温(等值线,单位:°C)盐断面, figureFileSmall=64Ac9F6PuKEJMU/G0qMBTA==, figureFileBig=kW51D8gc63oFG+8Ct5ljHA==, tableContent=null), ArticleFig(id=1234047114175631852, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1233907187244912785, language=EN, label=Fig. 6, caption=
The AAO and IOD indices and the corresponding composite analysis of sea surface salinity anomaly in the Antarctic from 1979 to 2018, figureFileSmall=SARpX4BSz6Z3UOyGzPebVQ==, figureFileBig=H0X2OIYc2ibMOr2EHe9vTA==, tableContent=null), ArticleFig(id=1234047114301460979, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1233907187244912785, language=CN, label=图6, caption=
1979−2018年间AAO、IOD指数序列与环流异常期间的南极海表面盐度异常合成分析结果, figureFileSmall=SARpX4BSz6Z3UOyGzPebVQ==, figureFileBig=H0X2OIYc2ibMOr2EHe9vTA==, tableContent=null), ArticleFig(id=1234047114414707190, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1233907187244912785, language=EN, label=Fig. 7, caption=
The composite analysis of sea surface pressure anomaly and wind curl anomaly in the Antarctic in winterThe solid line and the dashed line are corresponding to the positive and negative anomaly respectively
, figureFileSmall=Dy1VFF6M4do8IC2LmzQPdQ==, figureFileBig=TUSEV5TjAeDhofqnpPUAXA==, tableContent=null), ArticleFig(id=1234047114502787577, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1233907187244912785, language=CN, label=图7, caption=
南极冬季海表面气压异常与风场旋度异常的合成分析图中实线代表正异常,虚线代表负异常
, figureFileSmall=Dy1VFF6M4do8IC2LmzQPdQ==, figureFileBig=TUSEV5TjAeDhofqnpPUAXA==, tableContent=null), ArticleFig(id=1234047114611839484, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1233907187244912785, language=EN, label=Fig. 8, caption=
The composite analysis of winter wind anomaly and autumn sea ice concentration anomaly in the Antarctic, figureFileSmall=ejVEQIC3SeUT6fGw1Jz/9g==, figureFileBig=+jGvJLz59tus9+C/AWutKw==, tableContent=null), ArticleFig(id=1234047116121788928, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1233907187244912785, language=CN, label=图8, caption=
南极冬季风场异常与秋季海冰密集度异常的合成分析, figureFileSmall=ejVEQIC3SeUT6fGw1Jz/9g==, figureFileBig=+jGvJLz59tus9+C/AWutKw==, tableContent=null), ArticleFig(id=1234047116251812355, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1233907187244912785, language=EN, label=Fig. 9, caption=
The running-mean correlation coefficients of zonal wind anomaly and wind curl anomaly with SSSa in the positive salinity anomaly (Figure 3), figureFileSmall=Yj+pcEawqOI/ZFbuA3E2xg==, figureFileBig=/gzxJQR09gPvHckcn7lA1A==, tableContent=null), ArticleFig(id=1234047116394418694, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1233907187244912785, language=CN, label=图9, caption=
高盐异常区(图3)的SSSa与局地风场的滑动相关, figureFileSmall=Yj+pcEawqOI/ZFbuA3E2xg==, figureFileBig=/gzxJQR09gPvHckcn7lA1A==, tableContent=null), ArticleFig(id=1234047116528636424, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1233907187244912785, language=EN, label=Fig. 10, caption=
The climatological evaporation and precipitation anomaly during the 1979–2002, 2008–2018, and the composite analysis of AAO, IOD positive phasesThe shading color represents evaporation anomaly. The solid line and the dashed line are the positive and negative precipitation anomaly, respectively. a and b are the climatology of evaporation/precipitation anomaly in two period, c and d are their composite analysis corresponding to positive AAO and IOD phase
, figureFileSmall=/H7gOC2gZaxcNgUfHjMMig==, figureFileBig=3wB/pBCd8P5HGOlT8zSAgA==, tableContent=null), ArticleFig(id=1234047116641882637, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1233907187244912785, language=CN, label=图10, caption=
蒸发异常与降水异常在1979–2002年、2008–2018年两个时间段的平均态与AAO、IOD正位相下的合成分析图中颜色表示为蒸发异常,等值线表示降水异常,实线对应正异常,虚线对应负异常。a、b为二者在两个时间段的平均态,c、d为二者在AAO、IOD下的合成分析
, figureFileSmall=/H7gOC2gZaxcNgUfHjMMig==, figureFileBig=3wB/pBCd8P5HGOlT8zSAgA==, tableContent=null), ArticleFig(id=1234047116797071891, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1233907187244912785, language=EN, label=Table 1, caption=
The anomaly years of AAO and IOD indices from 1979 to 2018
, figureFileSmall=null, figureFileBig=null, tableContent=
| 环流 | 正位相 | 负位相 |
| AAO | 1979、1989、1993、1998、1999、2008、2010、2015、2016 | 1980、1981、1991、1992、2002、2007 |
| IOD | 1982、1994、1997、2011、2015、2017 | 1980、1984、1985、1989、1992、1996 |
), ArticleFig(id=1234047116910318103, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1233907187244912785, language=CN, label=表1, caption=
1979−2018年间AAO、IOD指数的环流异常年份
, figureFileSmall=null, figureFileBig=null, tableContent=
| 环流 | 正位相 | 负位相 |
| AAO | 1979、1989、1993、1998、1999、2008、2010、2015、2016 | 1980、1981、1991、1992、2002、2007 |
| IOD | 1982、1994、1997、2011、2015、2017 | 1980、1984、1985、1989、1992、1996 |
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