Article(id=1194652705667916347, tenantId=1146029695717560320, journalId=1149651085930835976, issueId=1194652705147822651, articleNumber=null, orderNo=null, doi=10.12284/hyxb2025020, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1712073600000, receivedDateStr=2024-04-03, revisedDate=1730131200000, revisedDateStr=2024-10-29, acceptedDate=null, acceptedDateStr=null, onlineDate=1762757000605, onlineDateStr=2025-11-10, pubDate=1738252800000, pubDateStr=2025-01-31, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1762757000605, onlineIssueDateStr=2025-11-10, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1762757000605, creator=13701087609, updateTime=1762757000605, updator=13701087609, issue=Issue{id=1194652705147822651, tenantId=1146029695717560320, journalId=1149651085930835976, year='2025', volume='47', issue='1', pageStart='1', pageEnd='132', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1762757000481, creator=13701087609, updateTime=1762757000481, updator=13701087609, preIssue=null, nextIssue=null, ext=null, issueFiles=null}, startPage=25, endPage=35, ext={EN=ArticleExt(id=1194652705919574590, articleId=1194652705667916347, tenantId=1146029695717560320, journalId=1149651085930835976, language=EN, title=Biogeochemical behaviors of
210Po,
210Bi, and
210Pb in the East China Sea close to the Changjiang River Estuary during a spring red tide event, columnId=1194652705852465724, journalTitle=Haiyang Xuebao, columnName=Article, runingTitle=null, highlight=null, articleAbstract=
The 210Bi-210Pb radionuclide pair is considered to be a new radiotracer for particulate carbon dynamics. Due to the very short half-life of 210Bi and the difficulty of determination, we have very few knowledge about the biogeochemical behavior of 210Bi in the ocean and whether there is a 210Bi-210Pb activity disequilibrium. This paper reported the observation results of dissolved and particulate 210Po, 210Bi, and 210Pb and their activity ratios in seawaters in the East China Sea close to the Changjiang River Estuary during a red tide event on the spring scientific cruise organized by National Natural Science Foundation of China from May 5 to 15, 2017. The results showed that the 210Po/210Pb activity ratio varied from 0.20 to 2.08, with an average of 0.82±0.58 (n=15) and the 210Bi/210Pb activity ratio changed between 0.31 and 3.72, showing an average of 1.38±0.79 (n=15). This phenomenon indicates that the activity disequilibrium of 210Po-210Pb and 210Bi-210Pb was ubiquitous in the seawater. More specifically, there is an obvious excess of 210Po and 210Bi relative to 210Pb in deep seawater, which implied that 210Po and 210Bi might be released from sinking particles in the middle and deep layer of water column. By calculating the distribution coefficients and fractionation factors of 210Po, 210Bi, and 210Pb, it was found that suspended particles in seawater tended to preferentially scavenge and remove 210Po and 210Bi, comparing with 210Pb. Similar to 210Po, 210Bi showed a stronger particle affinity for marine suspended particles than 210Pb, and the increase of phytoplankton biomass can promote the fractionation behavior between 210Bi and 210Pb, supporting the idea that 210Bi-210Pb can be used to trace particle processes in the ocean.
, correspAuthors=Qiangqiang Zhong, Juan Du, authorNote=null, correspAuthorsNote=null, copyrightStatement=Haiyang Xuebao, 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=Wenqing Zhou, Qiangqiang Zhong, Yuehua Zhou, Qiugui Wang, Hao Wang, Juan Du), CN=ArticleExt(id=1194652922853172053, articleId=1194652705667916347, tenantId=1146029695717560320, journalId=1149651085930835976, language=CN, title=长江口外东海赤潮暴发期间
210Po-
210Bi-
210Pb的生物地球化学行为研究, columnId=1149698756456657529, journalTitle=海洋学报, columnName=论文, runingTitle=null, highlight=null, articleAbstract=
210Bi-210Pb核素对被认为是一种新型的可以示踪海洋颗粒物动力学过程的良好示踪剂。由于210Bi半衰期较短以及分析难度较大等限制因素的存在,人们对海洋中210Bi的生物地球化学行为如何以及是否存在210Bi-210Pb活度不平衡现象这两个问题缺乏足够认知。本文于2017年5月5日至15日搭载国家自然科学基金委春季航次对长江口外东海赤潮暴发期间水体中溶解态和颗粒态(溶解态+颗粒态=总态)210Po、210Bi和210Pb活度浓度及核素活度比进行了现场观测。结果显示,总态210Po/210Pb活度比在0.20到2.08之间变化,平均值为0.82±0.58(n=15);总态210Bi/210Pb活度比在0.32到3.72之间变化,平均值为1.38±0.79(n=15),表明水体中普遍存在210Po-210Pb和210Bi-210Pb活度不平衡现象;而深层水体中存在明显的210Po和210Bi相对于210Pb过剩的现象,表明210Po和210Bi伴随颗粒物在中−深层水体中发生再溶出现象。通过计算3种核素的分配系数和分馏因子,本文发现颗粒物在同时清除210Po、210Bi和210Pb的过程中,倾向于优先清除210Po和210Bi;与210Po类似,210Bi表现出比210Pb更强的海洋颗粒物亲和活性特征,浮游植物暴发(生物量的增加)能促进210Bi与210Pb之间的分馏行为,支持了210Bi-210Pb可用于示踪海洋颗粒物过程的观点。
, correspAuthors=钟强强, 杜娟, authorNote=null, correspAuthorsNote=
, copyrightStatement=版权所有©《海洋学报》编辑部 2025
周文清,钟强强,周曰华,等. 长江口外东海赤潮暴发期间210Po-210Bi-210Pb的生物地球化学行为研究[J]. 海洋学报,2025,47(1):25–35Zhou Wenqing,Zhong Qiangqiang,Zhou Yuehua, et al. Biogeochemical behaviors of 210Po, 210Bi, and 210Pb in the East China Sea close to the Changjiang River Estuary during a spring red tide event[J]. Haiyang Xuebao,2025, 47(1):25–35
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周文清(1988—),男,山东省临沂市人,主要从事海洋放射性监测技术研究。E-mail:sohotapple@163.com
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周文清(1988—),男,山东省临沂市人,主要从事海洋放射性监测技术研究。E-mail:sohotapple@163.com
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210Bi-
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Xiamen Special Education School, Xiamen 361008, China), AuthorCompanyExt(id=1194975311533163129, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1194652705667916347, companyId=1194975311516385911, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=4.厦门特殊教育学校,福建 厦门 361008)]), AuthorCompany(id=1194975311604466299, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1194652705667916347, xref=null, ext=[AuthorCompanyExt(id=1194975311608660604, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1194652705667916347, companyId=1194975311604466299, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=5. School of Environmental Science and Engineering, Guangzhou University, Guangzhou 510006, China), AuthorCompanyExt(id=1194975311617049213, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1194652705667916347, companyId=1194975311604466299, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=5.广州大学 环境科学与工程学院,广东 广州 510006)]), AuthorCompany(id=1194975311679963775, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1194652705667916347, xref=null, ext=[AuthorCompanyExt(id=1194975311692546688, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1194652705667916347, companyId=1194975311679963775, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=6. Research Centre for Eco-Environmental Engineering, Dongguan University of Technology, Dongguan 523808, China), AuthorCompanyExt(id=1194975311700935297, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1194652705667916347, companyId=1194975311679963775, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=6.东莞理工学院 生态环境工程技术研发中心,广东 东莞 523808)])], figs=[ArticleFig(id=1194975318185329335, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1194652705667916347, language=EN, label=Fig. 1, caption=
Seawater sampling stations off the Changjiang River Estuary in the East China Sea, figureFileSmall=9NOusxSO3UVLu543UqbfrQ==, figureFileBig=W0CLkZFyd5rGb+GrQOy1ug==, tableContent=null), ArticleFig(id=1194975318248243896, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1194652705667916347, language=CN, label=图1, caption=
长江口外东海海水采样站位分布, figureFileSmall=9NOusxSO3UVLu543UqbfrQ==, figureFileBig=W0CLkZFyd5rGb+GrQOy1ug==, tableContent=null), ArticleFig(id=1194975318340518585, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1194652705667916347, language=EN, label=Fig. 2, caption=
Joint analytical scheme for determination of dissolved and particulate 210Po, 210Bi and 210Pb activity in seawater samples (modified from Zhong et al.[12]) Procedures in red dashed boxes were accomplished on the scientific research ship
, figureFileSmall=grS3ehdZzd8Jng4/+c5mng==, figureFileBig=4zolZzvQH6tIdhm3tsrr5Q==, tableContent=null), ArticleFig(id=1194975318403433146, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1194652705667916347, language=CN, label=图2, caption=
海水样品中溶解态和颗粒态 210Po、210Bi 和 210Pb 分析流程(修改自Zhong 等[12]) 红框中的流程步骤需在科考船上完成
, figureFileSmall=grS3ehdZzd8Jng4/+c5mng==, figureFileBig=4zolZzvQH6tIdhm3tsrr5Q==, tableContent=null), ArticleFig(id=1194975318529262267, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1194652705667916347, language=EN, label=Fig. 3, caption=
Histograms of the total 210Po/210Pb activity ratio (a) and total 210Bi/210Pb (b) and the box plot of radionuclide activity ratios (c) during red tide outbreak in the East China Sea close to the Changjiang River Estuary, figureFileSmall=nl/qjW4gr0ouqjikzskikw==, figureFileBig=4D5JeWuXKBorbqo6CHc0xQ==, tableContent=null), ArticleFig(id=1194975318596371132, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1194652705667916347, language=CN, label=图3, caption=
长江口外东海赤潮暴发期间水体总态210Po/210Pb(a)和210Bi/210Pb(b)活度比频数分布直方图及核素活度比盒须图(c), figureFileSmall=nl/qjW4gr0ouqjikzskikw==, figureFileBig=4D5JeWuXKBorbqo6CHc0xQ==, tableContent=null), ArticleFig(id=1194975318680257213, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1194652705667916347, language=EN, label=Fig. 4, caption=
Relationships between 210Po/210Pb (a) and 210Bi/210Pb activity ratio (b) as a function of POC concentration, figureFileSmall=Sq3Q2VOnmVDufT3SBNFRiw==, figureFileBig=uCxAEfWH2me9+Z+C/qiuLw==, tableContent=null), ArticleFig(id=1194975318751560382, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1194652705667916347, language=CN, label=图4, caption=
210Po/210Pb(a)和210Bi/210Pb活度比(b)随POC浓度的变化关系, figureFileSmall=Sq3Q2VOnmVDufT3SBNFRiw==, figureFileBig=uCxAEfWH2me9+Z+C/qiuLw==, tableContent=null), ArticleFig(id=1194975318852223679, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1194652705667916347, language=EN, label=Fig. 5, caption=
Correlation analysis between the distribution coefficients of 210Po, 210Bi, and 210Pb and the TSM mass concentrations in the East China Sea during red tide, figureFileSmall=vGWUuOWxk9Y5mv0amcjxEw==, figureFileBig=yxlwNQR+U7NsH1iGsRp2Hg==, tableContent=null), ArticleFig(id=1194975318927721152, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1194652705667916347, language=CN, label=图5, caption=
东海赤潮暴发期 210Po、210Bi和210Pb的分配系数与TSM质量浓度之间的相关性分析, figureFileSmall=vGWUuOWxk9Y5mv0amcjxEw==, figureFileBig=yxlwNQR+U7NsH1iGsRp2Hg==, tableContent=null), ArticleFig(id=1194975318994830017, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1194652705667916347, language=EN, label=Fig. 6, caption=
Relationship between 210Po-210Pb (FPo/Pb) and 210Bi-210Pb fractionation factors (FBi/Pb) and TSM (a), Chla (b), and POC concentration (c), figureFileSmall=5BTXJbBjqDNYZCF5/aOA+g==, figureFileBig=KEYOL70hUygjhSLcSofgtQ==, tableContent=null), ArticleFig(id=1194975319066133186, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1194652705667916347, language=CN, label=图6, caption=
210Po-210Pb(FPo/Pb)和210Bi-210Pb分馏因子(FBi/Pb)与TSM浓度(a)、Chla浓度(b)和POC浓度(c)之间的变化关系, figureFileSmall=5BTXJbBjqDNYZCF5/aOA+g==, figureFileBig=KEYOL70hUygjhSLcSofgtQ==, tableContent=null), ArticleFig(id=1194975319141630659, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1194652705667916347, language=EN, label=Table 1, caption=
Information for sampling stations and hydrochemical parameters
, figureFileSmall=null, figureFileBig=null, tableContent=
| 站位 | 层位 | 纬度/°N | 经度/°E | 采样时间 | 站位水深/m | 体积/L | 盐度 | 温度/℃ | TSM(mg·L−1) | Chla(ug·L−1) | POC/(umol·L−1) | 备注 |
| A11-4 | 1 m | 29.02 | 122.74 | 2017−05−05 17:41 | 56 | 53.8 | 29.9 | 19.1 | 4.4 | 2.4 | 59±2 | 轻微赤潮 |
| A10-5 | 1 m | 29.32 | 123.00 | 2017−05−06 6:00 | 57 | 53 | 30.4 | 18.9 | 2.1 | 1.6 | NA | 无明显赤潮 |
| A9-4 | 1 m | 29.77 | 123.25 | 2017−05−07 14:58 | 58 | 51 | 31.4 | 19.7 | 33.2 | 14.4 | 292±12 | 赤潮严重 |
| A8-4 | 1 m | 30.05 | 123.26 | 2017−05−08 19:30 | 67 | 46.6 | 30.7 | 19.3 | 2.1 | 0.89 | 63±3 | 赤潮严重 |
| 10 m | 30.05 | 123.26 | 2017−05−08 19:30 | 67 | 54.7 | 30.5 | 18.7 | 6.6 | NA | 200±8 | 赤潮严重 |
| 20 m | 30.05 | 123.26 | 2017−05−08 19:30 | 67 | 49.2 | 30.8 | 18.0 | 9.2 | NA | 64±3 | 赤潮严重 |
| 30 m | 30.05 | 123.26 | 2017−05−08 19:30 | 67 | 45.5 | 32.7 | 19.1 | 5.5 | 0.61 | 25±1 | 赤潮严重 |
| 45 m | 30.05 | 123.26 | 2017−05−08 19:30 | 67 | 54.9 | 33.8 | 19.6 | 2.9 | NA | 25±1 | 赤潮严重 |
| 60 m | 30.05 | 123.26 | 2017−05−08 19:30 | 67 | 55.3 | 33.7 | 19.5 | 14.1 | 0.10 | NA | 赤潮严重 |
| A7-5 | 1 m | 30.26 | 123.49 | 2017−05−13 13:42 | 64 | 52.1 | 32.3 | 22.3 | 8.8 | 10.8 | 286±11 | 赤潮严重 |
| A6-11 | 1 m | 30.40 | 123.99 | 2017−05−13 17:00 | 49 | 53.9 | 30.0 | 20.0 | 3.2 | 2.3 | 62±3 | 无明显赤潮 |
| A5-7 | 1 m | 30.78 | 123.49 | 2017−05−15 11:10 | 54 | 64.3 | 29.4 | 19.5 | 1.3 | 1.4 | 33±1 | 无明显赤潮 |
| A4-6 | 1 m | 31.07 | 123.25 | 2017−05−15 13:45 | 55 | 62.3 | 28.8 | 19.7 | 2.6 | 2.4 | 49±2 | 无明显赤潮 |
| A1-7 | 1 m | 32.25 | 123.49 | 2017−05−11 16:00 | 38 | 61.6 | 29.5 | 17.9 | 6.4 | 2.3 | 86±3 | 轻微赤潮 |
| SS | 1 m | 30.71 | 122.81 | 2017−05−12 12:10 | 19 | 77.5 | 29.7 | NA | 3.9 | NA | 45±2 | 无明显赤潮 |
), ArticleFig(id=1194975319217128132, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1194652705667916347, language=CN, label=表1, caption=
采样信息及水化学参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 站位 | 层位 | 纬度/°N | 经度/°E | 采样时间 | 站位水深/m | 体积/L | 盐度 | 温度/℃ | TSM(mg·L−1) | Chla(ug·L−1) | POC/(umol·L−1) | 备注 |
| A11-4 | 1 m | 29.02 | 122.74 | 2017−05−05 17:41 | 56 | 53.8 | 29.9 | 19.1 | 4.4 | 2.4 | 59±2 | 轻微赤潮 |
| A10-5 | 1 m | 29.32 | 123.00 | 2017−05−06 6:00 | 57 | 53 | 30.4 | 18.9 | 2.1 | 1.6 | NA | 无明显赤潮 |
| A9-4 | 1 m | 29.77 | 123.25 | 2017−05−07 14:58 | 58 | 51 | 31.4 | 19.7 | 33.2 | 14.4 | 292±12 | 赤潮严重 |
| A8-4 | 1 m | 30.05 | 123.26 | 2017−05−08 19:30 | 67 | 46.6 | 30.7 | 19.3 | 2.1 | 0.89 | 63±3 | 赤潮严重 |
| 10 m | 30.05 | 123.26 | 2017−05−08 19:30 | 67 | 54.7 | 30.5 | 18.7 | 6.6 | NA | 200±8 | 赤潮严重 |
| 20 m | 30.05 | 123.26 | 2017−05−08 19:30 | 67 | 49.2 | 30.8 | 18.0 | 9.2 | NA | 64±3 | 赤潮严重 |
| 30 m | 30.05 | 123.26 | 2017−05−08 19:30 | 67 | 45.5 | 32.7 | 19.1 | 5.5 | 0.61 | 25±1 | 赤潮严重 |
| 45 m | 30.05 | 123.26 | 2017−05−08 19:30 | 67 | 54.9 | 33.8 | 19.6 | 2.9 | NA | 25±1 | 赤潮严重 |
| 60 m | 30.05 | 123.26 | 2017−05−08 19:30 | 67 | 55.3 | 33.7 | 19.5 | 14.1 | 0.10 | NA | 赤潮严重 |
| A7-5 | 1 m | 30.26 | 123.49 | 2017−05−13 13:42 | 64 | 52.1 | 32.3 | 22.3 | 8.8 | 10.8 | 286±11 | 赤潮严重 |
| A6-11 | 1 m | 30.40 | 123.99 | 2017−05−13 17:00 | 49 | 53.9 | 30.0 | 20.0 | 3.2 | 2.3 | 62±3 | 无明显赤潮 |
| A5-7 | 1 m | 30.78 | 123.49 | 2017−05−15 11:10 | 54 | 64.3 | 29.4 | 19.5 | 1.3 | 1.4 | 33±1 | 无明显赤潮 |
| A4-6 | 1 m | 31.07 | 123.25 | 2017−05−15 13:45 | 55 | 62.3 | 28.8 | 19.7 | 2.6 | 2.4 | 49±2 | 无明显赤潮 |
| A1-7 | 1 m | 32.25 | 123.49 | 2017−05−11 16:00 | 38 | 61.6 | 29.5 | 17.9 | 6.4 | 2.3 | 86±3 | 轻微赤潮 |
| SS | 1 m | 30.71 | 122.81 | 2017−05−12 12:10 | 19 | 77.5 | 29.7 | NA | 3.9 | NA | 45±2 | 无明显赤潮 |
), ArticleFig(id=1194975319313597125, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1194652705667916347, language=EN, label=Table 2, caption=
Activity concentrations and activity ratios of 210Po, 210Bi, and 210Pb in seawater samples in the East China Sea close to the Changjiang Estuary during red tide
, figureFileSmall=null, figureFileBig=null, tableContent=
| 站位 | 层位 | 210Po-D | 210Bi-D | 210Pb-D | 210Po-P | 210Bi-P | 210Pb-P | 210Po-T | 210Bi-T | 210Pb-T | 210Po-T / 210Pb-T | 210Bi-T / 210Pb-T |
| dpm/100 L |
| A11-4 | 1 m | 6.55±0.97 | 15.9±1.51 | 21.8±0.83 | 2.24±0.16 | 5.58±0.53 | 5.89±0.45 | 8.79±0.98 | 21.5±2.1 | 27.7±1.05 | 0.32 | 0.78 |
| A10-5 | 1 m | 6.27±0.76 | 3.44±0.41 | 2.33±0.13 | 2.54±0.18 | 3.37±0.40 | 12.8±0.84 | 8.81±0.78 | 6.82±0.68 | 15.1±0.86 | 0.58 | 0.45 |
| A9-4 | 1 m | 1.27±0.09 | 6.94±0.66 | 8.41±0.51 | 3.08±0.21 | 12.1±1.15 | 3.36±0.21 | 4.35±0.23 | 19.0±1.90 | 11.7±0.71 | 0.37 | 1.62 |
| A8-4 | 1 m | 0.84±0.06 | 7.38±0.89 | 8.34±0.48 | 1.23±0.07 | 7.63±0.92 | 1.98±0.13 | 2.07±0.10 | 15.0±1.50 | 10.3±0.60 | 0.2 | 1.46 |
| 10 m | 6.48±1.18 | 13.5±1.28 | 5.97±0.31 | 2.12±0.15 | 11.0±1.05 | 5.78±0.36 | 8.60±1.19 | 24.5±2.45 | 11.7±0.62 | 0.73 | 2.09 |
| 20 m | 6.13±0.42 | 19.7±2.37 | 29.7±1.40 | 2.09±0.12 | 2.09±0.25 | 2.03±0.15 | 8.22±0.44 | 21.8±2.18 | 31.7±1.50 | 0.26 | 0.69 |
| 30 m | 15.4±0.60 | 5.34±0.51 | 9.72±0.44 | 2.59±0.18 | 5.56±0.53 | 0.85±0.07 | 18.0±0.62 | 10.9±1.09 | 10.6±0.48 | 1.70 | 1.03 |
| 45 m | 4.66±0.93 | 13.4±1.60 | 3.95±0.23 | 4.51±0.28 | 3.04±0.36 | 0.46±0.03 | 9.18±0.97 | 16.4±1.64 | 4.41±0.25 | 2.08 | 3.72 |
| 60 m | 7.59±0.29 | 5.33±0.51 | 5.07±0.29 | 5.79±0.34 | 8.19±0.78 | 2.93±0.20 | 13.4±0.45 | 13.5±1.35 | 7.99±0.46 | 1.67 | 1.69 |
| A7-5 | 1 m | 4.31±0.30 | 2.59±0.31 | 6.08±0.26 | 5.21±0.33 | 8.65±1.04 | 11.3±0.52 | 9.53±0.44 | 5.62±0.56 | 17.4±0.74 | 0.55 | 0.32 |
| A6-11 | 1 m | 4.36±0.63 | 7.68±0.73 | 4.44±0.36 | 1.57±0.10 | 2.01±0.19 | 1.99±0.12 | 5.93±0.64 | 9.69±0.97 | 6.43±0.53 | 0.92 | 1.51 |
| A5-7 | 1 m | 2.81±0.34 | 8.28±0.99 | 1.10±0.07 | 1.35±0.08 | 6.38±0.77 | 7.02±0.56 | 4.15±0.35 | 14.7±1.5 | 8.12±0.53 | 0.51 | 1.81 |
| A4-6 | 1 m | 4.56±0.63 | 3.12±0.30 | 1.84±0.12 | 1.45±0.10 | 1.13±0.11 | 2.43±0.17 | 6.01±0.64 | 4.26±0.43 | 4.26±0.27 | 1.41 | 1.00 |
| SS | 1 m | 1.74±0.15 | 5.06±0.48 | 2.72±0.18 | 3.91±0.24 | 5.74±0.55 | 6.69±0.41 | 5.65±0.28 | 10.8±1.08 | 9.41±0.64 | 0.6 | 1.15 |
| A1-7 | 1 m | 1.86±0.22 | 4.90±0.59 | 4.42±0.34 | 1.53±0.09 | 6.04±0.73 | 3.71±0.20 | 3.39±0.24 | 10.9±1.09 | 8.13±0.62 | 0.42 | 1.35 |
| 最小值 | 0.84 | 2.59 | 1.1 | 1.23 | 1.13 | 0.46 | 2.07 | 4.26 | 4.26 | 0.2 | 0.32 |
| 最大值 | 15.4 | 19.7 | 29.7 | 5.79 | 12.1 | 12.8 | 18 | 24.5 | 31.7 | 2.08 | 3.72 |
| 平均值±SD | 4.99±3.46 | 8.17±4.95 | 7.72±7.6 | 2.75±1.41 | 5.90±3.13 | 4.61±3.53 | 7.74±3.93 | 13.7±5.91 | 12.3±7.65 | 0.82±0.58 | 1.38±0.79 |
), ArticleFig(id=1194975319405871814, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1194652705667916347, language=CN, label=表2, caption=
长江口外东海赤潮暴发期间海水中210Po、210Bi和210Pb的活度浓度大小和核素活度比值
, figureFileSmall=null, figureFileBig=null, tableContent=
| 站位 | 层位 | 210Po-D | 210Bi-D | 210Pb-D | 210Po-P | 210Bi-P | 210Pb-P | 210Po-T | 210Bi-T | 210Pb-T | 210Po-T / 210Pb-T | 210Bi-T / 210Pb-T |
| dpm/100 L |
| A11-4 | 1 m | 6.55±0.97 | 15.9±1.51 | 21.8±0.83 | 2.24±0.16 | 5.58±0.53 | 5.89±0.45 | 8.79±0.98 | 21.5±2.1 | 27.7±1.05 | 0.32 | 0.78 |
| A10-5 | 1 m | 6.27±0.76 | 3.44±0.41 | 2.33±0.13 | 2.54±0.18 | 3.37±0.40 | 12.8±0.84 | 8.81±0.78 | 6.82±0.68 | 15.1±0.86 | 0.58 | 0.45 |
| A9-4 | 1 m | 1.27±0.09 | 6.94±0.66 | 8.41±0.51 | 3.08±0.21 | 12.1±1.15 | 3.36±0.21 | 4.35±0.23 | 19.0±1.90 | 11.7±0.71 | 0.37 | 1.62 |
| A8-4 | 1 m | 0.84±0.06 | 7.38±0.89 | 8.34±0.48 | 1.23±0.07 | 7.63±0.92 | 1.98±0.13 | 2.07±0.10 | 15.0±1.50 | 10.3±0.60 | 0.2 | 1.46 |
| 10 m | 6.48±1.18 | 13.5±1.28 | 5.97±0.31 | 2.12±0.15 | 11.0±1.05 | 5.78±0.36 | 8.60±1.19 | 24.5±2.45 | 11.7±0.62 | 0.73 | 2.09 |
| 20 m | 6.13±0.42 | 19.7±2.37 | 29.7±1.40 | 2.09±0.12 | 2.09±0.25 | 2.03±0.15 | 8.22±0.44 | 21.8±2.18 | 31.7±1.50 | 0.26 | 0.69 |
| 30 m | 15.4±0.60 | 5.34±0.51 | 9.72±0.44 | 2.59±0.18 | 5.56±0.53 | 0.85±0.07 | 18.0±0.62 | 10.9±1.09 | 10.6±0.48 | 1.70 | 1.03 |
| 45 m | 4.66±0.93 | 13.4±1.60 | 3.95±0.23 | 4.51±0.28 | 3.04±0.36 | 0.46±0.03 | 9.18±0.97 | 16.4±1.64 | 4.41±0.25 | 2.08 | 3.72 |
| 60 m | 7.59±0.29 | 5.33±0.51 | 5.07±0.29 | 5.79±0.34 | 8.19±0.78 | 2.93±0.20 | 13.4±0.45 | 13.5±1.35 | 7.99±0.46 | 1.67 | 1.69 |
| A7-5 | 1 m | 4.31±0.30 | 2.59±0.31 | 6.08±0.26 | 5.21±0.33 | 8.65±1.04 | 11.3±0.52 | 9.53±0.44 | 5.62±0.56 | 17.4±0.74 | 0.55 | 0.32 |
| A6-11 | 1 m | 4.36±0.63 | 7.68±0.73 | 4.44±0.36 | 1.57±0.10 | 2.01±0.19 | 1.99±0.12 | 5.93±0.64 | 9.69±0.97 | 6.43±0.53 | 0.92 | 1.51 |
| A5-7 | 1 m | 2.81±0.34 | 8.28±0.99 | 1.10±0.07 | 1.35±0.08 | 6.38±0.77 | 7.02±0.56 | 4.15±0.35 | 14.7±1.5 | 8.12±0.53 | 0.51 | 1.81 |
| A4-6 | 1 m | 4.56±0.63 | 3.12±0.30 | 1.84±0.12 | 1.45±0.10 | 1.13±0.11 | 2.43±0.17 | 6.01±0.64 | 4.26±0.43 | 4.26±0.27 | 1.41 | 1.00 |
| SS | 1 m | 1.74±0.15 | 5.06±0.48 | 2.72±0.18 | 3.91±0.24 | 5.74±0.55 | 6.69±0.41 | 5.65±0.28 | 10.8±1.08 | 9.41±0.64 | 0.6 | 1.15 |
| A1-7 | 1 m | 1.86±0.22 | 4.90±0.59 | 4.42±0.34 | 1.53±0.09 | 6.04±0.73 | 3.71±0.20 | 3.39±0.24 | 10.9±1.09 | 8.13±0.62 | 0.42 | 1.35 |
| 最小值 | 0.84 | 2.59 | 1.1 | 1.23 | 1.13 | 0.46 | 2.07 | 4.26 | 4.26 | 0.2 | 0.32 |
| 最大值 | 15.4 | 19.7 | 29.7 | 5.79 | 12.1 | 12.8 | 18 | 24.5 | 31.7 | 2.08 | 3.72 |
| 平均值±SD | 4.99±3.46 | 8.17±4.95 | 7.72±7.6 | 2.75±1.41 | 5.90±3.13 | 4.61±3.53 | 7.74±3.93 | 13.7±5.91 | 12.3±7.65 | 0.82±0.58 | 1.38±0.79 |
), ArticleFig(id=1194975319502340807, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1194652705667916347, language=EN, label=Table 3, caption=
Distribution coefficients of 210Po, 210Bi, and 210Pb and fractionation factors of 210Po-210Pb and 210Bi-210Pb
, figureFileSmall=null, figureFileBig=null, tableContent=
| 站位 | 层位 | Kd-210Po | Kd-210Bi | Kd-210Pb | FPo/Pb | FBi/Pb | FPo/Bi |
| mL/g |
| A11-4 | 1 m | 7.71E+04 | 7.91E+04 | 6.08E+04 | 1.27 | 1.30 | 0.97 |
| A10-5 | 1 m | 1.93E+05 | 4.65E+05 | 2.61E+06 | 0.07 | 0.18 | 0.42 |
| A9-4 | 1 m | 7.29E+04 | 5.25E+04 | 1.20E+04 | 6.06 | 4.36 | 1.39 |
| A8-4 | 1 m | 7.11E+05 | 5.02E+05 | 1.15E+05 | 6.18 | 4.36 | 1.42 |
| 10 m | 4.95E+04 | 1.23E+05 | 1.46E+05 | 0.34 | 0.84 | 0.40 |
| 20 m | 3.70E+04 | 1.15E+04 | 7.43E+03 | 4.98 | 1.55 | 3.22 |
| 30 m | 3.06E+04 | 1.89E+05 | 1.59E+04 | 1.93 | 11.9 | 0.16 |
| 45 m | 3.31E+05 | 7.77E+04 | 3.97E+04 | 8.34 | 1.96 | 4.26 |
| 60 m | 5.43E+04 | 1.09E+05 | 4.11E+04 | 1.32 | 2.66 | 0.50 |
| A7-5 | 1 m | 1.37E+05 | 3.80E+05 | 2.11E+05 | 0.65 | 1.80 | 0.66 |
| A6-11 | 1 m | 1.13E+05 | 8.18E+04 | 1.40E+05 | 0.80 | 0.58 | 1.98 |
| A5-7 | 1 m | 3.56E+05 | 5.72E+05 | 4.72E+06 | 0.08 | 0.12 | 0.36 |
| A4-6 | 1 m | 1.20E+05 | 1.37E+05 | 5.01E+05 | 0.24 | 0.27 | 1.38 |
| A1-7 | 1 m | 1.28E+05 | 1.93E+05 | 1.31E+05 | 0.98 | 1.47 | 0.62 |
| SS | 1 m | 5.75E+05 | 2.90E+05 | 6.27E+05 | 0.92 | 0.46 | 0.88 |
| 最小值 | 3.06E+04 | 1.15E+04 | 7.43E+03 | 0.07 | 0.12 | 0.16 |
| 最大值 | 7.11E+05 | 5.72E+05 | 4.72E+06 | 8.34 | 11.93 | 4.26 |
| 平均值 | 1.99E+05 | 2.18E+05 | 6.26E+05 | 2.35 | 2.32 | 1.24 |
| 标准偏差 | 1.99E+05 | 1.74E+05 | 1.27E+06 | 2.68 | 2.99 | 1.11 |
), ArticleFig(id=1194975319586226888, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1194652705667916347, language=CN, label=表3, caption=
水体中210Po、210Bi和210Pb的分配系数以及210Po-210Pb和210Bi-210Pb的分馏因子
, figureFileSmall=null, figureFileBig=null, tableContent=
| 站位 | 层位 | Kd-210Po | Kd-210Bi | Kd-210Pb | FPo/Pb | FBi/Pb | FPo/Bi |
| mL/g |
| A11-4 | 1 m | 7.71E+04 | 7.91E+04 | 6.08E+04 | 1.27 | 1.30 | 0.97 |
| A10-5 | 1 m | 1.93E+05 | 4.65E+05 | 2.61E+06 | 0.07 | 0.18 | 0.42 |
| A9-4 | 1 m | 7.29E+04 | 5.25E+04 | 1.20E+04 | 6.06 | 4.36 | 1.39 |
| A8-4 | 1 m | 7.11E+05 | 5.02E+05 | 1.15E+05 | 6.18 | 4.36 | 1.42 |
| 10 m | 4.95E+04 | 1.23E+05 | 1.46E+05 | 0.34 | 0.84 | 0.40 |
| 20 m | 3.70E+04 | 1.15E+04 | 7.43E+03 | 4.98 | 1.55 | 3.22 |
| 30 m | 3.06E+04 | 1.89E+05 | 1.59E+04 | 1.93 | 11.9 | 0.16 |
| 45 m | 3.31E+05 | 7.77E+04 | 3.97E+04 | 8.34 | 1.96 | 4.26 |
| 60 m | 5.43E+04 | 1.09E+05 | 4.11E+04 | 1.32 | 2.66 | 0.50 |
| A7-5 | 1 m | 1.37E+05 | 3.80E+05 | 2.11E+05 | 0.65 | 1.80 | 0.66 |
| A6-11 | 1 m | 1.13E+05 | 8.18E+04 | 1.40E+05 | 0.80 | 0.58 | 1.98 |
| A5-7 | 1 m | 3.56E+05 | 5.72E+05 | 4.72E+06 | 0.08 | 0.12 | 0.36 |
| A4-6 | 1 m | 1.20E+05 | 1.37E+05 | 5.01E+05 | 0.24 | 0.27 | 1.38 |
| A1-7 | 1 m | 1.28E+05 | 1.93E+05 | 1.31E+05 | 0.98 | 1.47 | 0.62 |
| SS | 1 m | 5.75E+05 | 2.90E+05 | 6.27E+05 | 0.92 | 0.46 | 0.88 |
| 最小值 | 3.06E+04 | 1.15E+04 | 7.43E+03 | 0.07 | 0.12 | 0.16 |
| 最大值 | 7.11E+05 | 5.72E+05 | 4.72E+06 | 8.34 | 11.93 | 4.26 |
| 平均值 | 1.99E+05 | 2.18E+05 | 6.26E+05 | 2.35 | 2.32 | 1.24 |
| 标准偏差 | 1.99E+05 | 1.74E+05 | 1.27E+06 | 2.68 | 2.99 | 1.11 |
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