Article(id=1211299027329610555, tenantId=1146029695717560320, journalId=1149651085930835976, issueId=1211299024825611053, articleNumber=null, orderNo=null, doi=10.12284/hyxb2023048, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1650556800000, receivedDateStr=2022-04-22, revisedDate=1665504000000, revisedDateStr=2022-10-12, acceptedDate=null, acceptedDateStr=null, onlineDate=1766725792963, onlineDateStr=2025-12-26, pubDate=1677600000000, pubDateStr=2023-03-01, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1766725792963, onlineIssueDateStr=2025-12-26, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1766725792963, creator=13701087609, updateTime=1766725792963, updator=13701087609, issue=Issue{id=1211299024825611053, tenantId=1146029695717560320, journalId=1149651085930835976, year='2023', volume='45', issue='3', pageStart='1', pageEnd='158', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1766725792365, creator=13701087609, updateTime=1766924576395, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1212132785515532522, tenantId=1146029695717560320, journalId=1149651085930835976, issueId=1211299024825611053, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1212132785515532523, tenantId=1146029695717560320, journalId=1149651085930835976, issueId=1211299024825611053, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=147, endPage=158, ext={EN=ArticleExt(id=1211299027568685891, articleId=1211299027329610555, tenantId=1146029695717560320, journalId=1149651085930835976, language=EN, title=Reconstruction of sea surface
pCO
2 with high resolution: A case study of the Atlantic Ocean, columnId=1194652705852465724, journalTitle=Haiyang Xuebao, columnName=Article, runingTitle=null, highlight=null, articleAbstract=
Ocean is an important carbon sink in nature. The sea-air carbon dioxide flux is usually estimated by the difference of partial pressure of carbon dioxide (pCO2) between the atmosphere and the sea surface. Due to the imbalance of observation data on temporal and spatial distribution and datasets used for prediction, there is still large room for improvement in spatial resolution for present reconstruction of pCO2 on sea surface. In order to fit the temporal and spatial variability under high spatial resolution better, based on the sea surface fugacity of carbon dioxide (fCO2) observations of the Surface Ocean CO2 Atlas (SOCAT) and other multi-source data including remote sensing data, the nonlinear relationship between sea surface pCO2 and physical, biological, optical factors was established by a XGBoost model and a weight model was built based on spatiotemporal frequency of samples. A 0.041 7°×0.041 7° monthly sea surface pCO2 dataset in Atlantic from 2000 to 2018 was finally constructed with correlation coefficient of 0.966, mean squared error of 8.087 μatm and mean error of 4.012 μatm on prediction dataset. The reconstruction is highly consistent to other similar reconstruction results on temporal and spatial trend and also gains advantage in spatial resolution.
, correspAuthors=Zhenhong Du, authorNote=null, correspAuthorsNote=null, copyrightStatement=Copyright © 2023 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=Xinyi Wang, Chuyi Wu, Sensen Wu, Yijun Chen, Zhenhong Du), CN=ArticleExt(id=1211299032006258695, articleId=1211299027329610555, tenantId=1146029695717560320, journalId=1149651085930835976, language=CN, title=高分辨率海水表层二氧化碳分压重构, columnId=1149698756456657529, journalTitle=海洋学报, columnName=论文, runingTitle=null, highlight=null, articleAbstract=
海洋是自然界中重要的碳汇,海−气二氧化碳通量通常利用大气和海水表层的二氧化碳分压(pCO2)差进行估算。受制于时空分布不均匀的观测样本和预测数据,目前已有海水表层二氧化碳分压的重构结果在空间分辨率上仍有较大可提升空间。为在高空间分辨率下更好地拟合时空变化,基于表层大洋二氧化碳地图(SOCAT)的海水表层二氧化碳逸度(f CO2)数据集和遥感卫星等多源数据,利用XGBoost模型建立了海水表层二氧化碳分压值与海洋物理、生物、光学等要素的非线性关系,并根据样本时空频率构建权重模型,最终重构了2000−2018年大西洋0.041 7°×0.041 7°下月度海水表层二氧化碳分压分布。预测结果的相关系数为0.966,均方根误差为8.087 μatm,平均偏差为4.012 μatm,与同类重构结果相比,海水表层二氧化碳分压的时空变化趋势一致性强,且在空间分辨率上具有优势。
, correspAuthors=杜震洪, authorNote=null, correspAuthorsNote=
, copyrightStatement=版权所有©《海洋学报》编辑部 2023
王馨仪,吴楚仪,吴森森,等. 高分辨率海水表层二氧化碳分压重构−以大西洋为例[J]. 海洋学报,2023,45(3):147–158Wang Xinyi,Wu Chuyi,Wu Sensen, et al. Reconstruction of sea surface pCO2 with high resolution: A case study of the Atlantic Ocean[J]. Haiyang Xuebao,2023, 45(3):147–158
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王馨仪(1997-),女,重庆市人,研究方向为遥感与地理信息系统、遥感反演。E-mail:21938031@zju.edu.cn
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Verification of model, figureFileSmall=wZEKarBMfNabfUE9OZJaeQ==, figureFileBig=3WlntWldZSu8ouRnoBZDXw==, tableContent=null), ArticleFig(id=1215304252168258130, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1211299027329610555, language=CN, label=图6, caption=
模型验证, figureFileSmall=wZEKarBMfNabfUE9OZJaeQ==, figureFileBig=3WlntWldZSu8ouRnoBZDXw==, tableContent=null), ArticleFig(id=1215304252260532825, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1211299027329610555, language=EN, label=Fig. 7, caption=
Comparison with observation stations, figureFileSmall=pIiJQ8P7d0VFe344AGl13A==, figureFileBig=qmYj8aWIGgJx2ySWmbeLwg==, tableContent=null), ArticleFig(id=1215304252369584734, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1211299027329610555, language=CN, label=图7, caption=
观测站点对比, figureFileSmall=pIiJQ8P7d0VFe344AGl13A==, figureFileBig=qmYj8aWIGgJx2ySWmbeLwg==, tableContent=null), ArticleFig(id=1215304252466053732, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1211299027329610555, language=EN, label=Fig. 8, caption=
Comparison with observation stations, figureFileSmall=FvxzLurE62O3Q25XB1mlxQ==, figureFileBig=oLiSgKyERcdy0QKy/yq4OA==, tableContent=null), ArticleFig(id=1215304252566717030, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1211299027329610555, language=CN, label=图8, caption=
观测站点对比, figureFileSmall=FvxzLurE62O3Q25XB1mlxQ==, figureFileBig=oLiSgKyERcdy0QKy/yq4OA==, tableContent=null), ArticleFig(id=1215304252642214508, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1211299027329610555, language=EN, label=Fig. 9, caption=
pCO2 of air and sea in Atlantic, figureFileSmall=CyDk3SOrYs+PyckzcnTmHg==, figureFileBig=Sflb1ll4VQ3M8k0OuE+dJA==, tableContent=null), ArticleFig(id=1215304252726100591, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1211299027329610555, language=CN, label=图9, caption=
大西洋大气与海洋pCO2, figureFileSmall=CyDk3SOrYs+PyckzcnTmHg==, figureFileBig=Sflb1ll4VQ3M8k0OuE+dJA==, tableContent=null), ArticleFig(id=1215304252839346804, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1211299027329610555, language=EN, label=Fig. 10, caption=
pCO2 of sea water for south and north sea area, figureFileSmall=GNzkGXjN4ufLx+shHoibhg==, figureFileBig=Yj0W+hCCDObKorsI+LXV1g==, tableContent=null), ArticleFig(id=1215304252940010107, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1211299027329610555, language=CN, label=图10, caption=
2000−2018年南北海域海水二氧化碳分压, figureFileSmall=GNzkGXjN4ufLx+shHoibhg==, figureFileBig=Yj0W+hCCDObKorsI+LXV1g==, tableContent=null), ArticleFig(id=1215304253078422142, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1211299027329610555, language=EN, label=Fig. 11, caption=
Obeservations and reconstruction result of sea surface pCO2 in Atlantic (red points present for obeservation samples), figureFileSmall=TxTgtiRwFpyah0pvrM6YFA==, figureFileBig=8WRwmynANr61AE1iGePOFA==, tableContent=null), ArticleFig(id=1215304253195862660, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1211299027329610555, language=CN, label=图11, caption=
大西洋海水表层二氧化碳分压观测数据及重构结果(红色点表示观测样本), figureFileSmall=TxTgtiRwFpyah0pvrM6YFA==, figureFileBig=8WRwmynANr61AE1iGePOFA==, tableContent=null), ArticleFig(id=1215304253279748743, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1211299027329610555, language=EN, label=Fig. 12, caption=
Reconstruction result of sea surface pCO2 in Bahamas sea area (points present the Bias), figureFileSmall=nUe0U53ngsgfTru81G/8pw==, figureFileBig=fVpX+qmE1ppN5p1kerp1IA==, tableContent=null), ArticleFig(id=1215304253502046858, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1211299027329610555, language=CN, label=图12, caption=
巴哈马海域海水表层二氧化碳分压重构结果(点数据表示绝对偏差), figureFileSmall=nUe0U53ngsgfTru81G/8pw==, figureFileBig=fVpX+qmE1ppN5p1kerp1IA==, tableContent=null), ArticleFig(id=1215304253598515855, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1211299027329610555, language=EN, label=Table 1, caption=
Introduction of bands used in ESA OC-CCI
, figureFileSmall=null, figureFileBig=null, tableContent=
| 遥感产品 | 波长/ nm | | 遥感产品 | 波长/ nm | | 遥感产品 | 波长/ nm |
| 注:“−”代表空值。 |
| 黄色物质和碎屑吸收系数(adg) | 412 | | 总吸收系数(atot) | 412 | | 遥感反射率(Rrs) | 412 |
| 443 | 443 | 443 |
| 490 | 490 | 490 |
| 510 | 510 | 510 |
| 560 | 560 | 560 |
| 665 | 665 | 665 |
浮游植物吸收 系数(aph) | 412 | 粒子后向散射 系数(bbp) | 412 | 向下漫射衰减 系数(Kd) | 490 |
| 443 | 443 |
| 490 | 490 | 叶绿素a(Chl a)浓度 | − |
| 510 | 510 |
| 560 | 560 |
| 665 | 665 |
), ArticleFig(id=1215304253682401940, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1211299027329610555, language=CN, label=表1, caption=
ESA OC-CCI使用波段说明
, figureFileSmall=null, figureFileBig=null, tableContent=
| 遥感产品 | 波长/ nm | | 遥感产品 | 波长/ nm | | 遥感产品 | 波长/ nm |
| 注:“−”代表空值。 |
| 黄色物质和碎屑吸收系数(adg) | 412 | | 总吸收系数(atot) | 412 | | 遥感反射率(Rrs) | 412 |
| 443 | 443 | 443 |
| 490 | 490 | 490 |
| 510 | 510 | 510 |
| 560 | 560 | 560 |
| 665 | 665 | 665 |
浮游植物吸收 系数(aph) | 412 | 粒子后向散射 系数(bbp) | 412 | 向下漫射衰减 系数(Kd) | 490 |
| 443 | 443 |
| 490 | 490 | 叶绿素a(Chl a)浓度 | − |
| 510 | 510 |
| 560 | 560 |
| 665 | 665 |
), ArticleFig(id=1215304253791453847, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1211299027329610555, language=EN, label=Table 2, caption=
Source of ancillary data
, figureFileSmall=null, figureFileBig=null, tableContent=
| 数据类型 | 数据来源 | 数据集 | 空间分辨率 |
| 遥感数据 | MODIS Terra传感器 | SST | 0.041 7°×0.041 7° |
| 模式数据 | ECCO2 Cube92 | SSS | 0.25°×0.25° |
| MLD |
| GML CarbonTracker CT2019B | xCO2 | 3°×2° |
| 再分析数据 | ERA5 单层月均数据集 | SST | 0.25°×0.25° |
| u10 |
), ArticleFig(id=1215304253934060189, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1211299027329610555, language=CN, label=表2, caption=
辅助数据来源
, figureFileSmall=null, figureFileBig=null, tableContent=
| 数据类型 | 数据来源 | 数据集 | 空间分辨率 |
| 遥感数据 | MODIS Terra传感器 | SST | 0.041 7°×0.041 7° |
| 模式数据 | ECCO2 Cube92 | SSS | 0.25°×0.25° |
| MLD |
| GML CarbonTracker CT2019B | xCO2 | 3°×2° |
| 再分析数据 | ERA5 单层月均数据集 | SST | 0.25°×0.25° |
| u10 |
), ArticleFig(id=1215304254022140577, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1211299027329610555, language=EN, label=Table 3, caption=
Verification of model for ocean area
, figureFileSmall=null, figureFileBig=null, tableContent=
| 洋区 | RMSE/μatm | AD/μatm | R2 |
| 北大西洋 | 6.001 | 2.143 | 0.984 |
| 南大西洋 | 5.295 | 1.987 | 0.991 |
), ArticleFig(id=1215304255272043172, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1211299027329610555, language=CN, label=表3, caption=
洋区模型验证
, figureFileSmall=null, figureFileBig=null, tableContent=
| 洋区 | RMSE/μatm | AD/μatm | R2 |
| 北大西洋 | 6.001 | 2.143 | 0.984 |
| 南大西洋 | 5.295 | 1.987 | 0.991 |
), ArticleFig(id=1215304255389483689, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1211299027329610555, language=EN, label=Table 4, caption=
Error with observation stations
, figureFileSmall=null, figureFileBig=null, tableContent=
| 站点 | 位置 | RMSE/μatm | AD/μatm |
| BATS | 31.66°N, 64.16°W | 18.90 | 14.37 |
| ESTOC | 29.04°N, 15.50°W | 11.95 | 4.04 |
), ArticleFig(id=1215304255469175471, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1211299027329610555, language=CN, label=表4, caption=
观测站点误差
, figureFileSmall=null, figureFileBig=null, tableContent=
| 站点 | 位置 | RMSE/μatm | AD/μatm |
| BATS | 31.66°N, 64.16°W | 18.90 | 14.37 |
| ESTOC | 29.04°N, 15.50°W | 11.95 | 4.04 |
), ArticleFig(id=1215304255544672946, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1211299027329610555, language=EN, label=Table 5, caption=
RMSE of reconstruction result
, figureFileSmall=null, figureFileBig=null, tableContent=
| 时次 | RMSE/μatm |
| XGBoost | SOM-FFN |
| 2017年1月 | 4.48 | 14.97 |
| 2017年4月 | 4.99 | 16.21 |
| 2017年7月 | 5.44 | 16.29 |
| 2017年10月 | 3.31 | 11.76 |
), ArticleFig(id=1215304255624364725, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1211299027329610555, language=CN, label=表5, caption=
重构结果均方根误差
, figureFileSmall=null, figureFileBig=null, tableContent=
| 时次 | RMSE/μatm |
| XGBoost | SOM-FFN |
| 2017年1月 | 4.48 | 14.97 |
| 2017年4月 | 4.99 | 16.21 |
| 2017年7月 | 5.44 | 16.29 |
| 2017年10月 | 3.31 | 11.76 |
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