Article(id=1322506744950014275, tenantId=1146029695717560320, journalId=1281212831689347082, issueId=1322506567065383670, articleNumber=null, orderNo=null, doi=10.14075/j.jgg.2024.07.326, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1720281600000, receivedDateStr=2024-07-07, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793239778983, onlineDateStr=2026-10-29, pubDate=1752508800000, pubDateStr=2025-07-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793239778983, onlineIssueDateStr=2026-10-29, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793239778983, creator=13701087609, updateTime=1793239778983, updator=13701087609, issue=Issue{id=1322506567065383670, tenantId=1146029695717560320, journalId=1281212831689347082, year='2025', volume='45', issue='7', pageStart='661', pageEnd='770', issueExtLink='null', onlineDate='null', pubDate='1752508800000', pubDateStr='2025-07-15', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793239736572, creator='13701087609', updateTime=1793239736572, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=738, endPage=745, ext={EN=ArticleExt(id=1322506745222644036, articleId=1322506744950014275, tenantId=1146029695717560320, journalId=1281212831689347082, language=EN, title=Quasi-Geoid Refinement Based on Ultra-High-Degree Earth Gravity Field Model and Multiquadric Function Method, columnId=null, journalTitle=Journal of Geodesy and Geodynamics, columnName=null, runingTitle=null, highlight=null, articleAbstract=
For the five ultra-high-degree Earth gravity field models with a degree of 2 190, namely EGM2008, EIGEN-6C4, GECO, SGG-UGM-2, and XGM2019e_2159, which have been published internationally, a study on quasi-geoid refinement was conducted using the Shanxi survey area as an example. First, the accuracy performance of five models in Shanxi area was compared and analyzed using actual GNSS/leveling data. Then, based on the remove-restore technique, the residual height anomalies after removing the results of five ultra-high-degree gravity field models were fitted to the quasi-geoid using the multiquadric function method. A contour line-based method for selecting multiquadric function nodes was proposed, and the fitting accuracy was compared and analyzed. The results show that: 1) The accuracy distribution of five Earth gravity field models in Shanxi area is consistent, with larger errors mainly distributed in the high mountain areas in northern Shanxi. The XGM2019e_2159 model has the highest accuracy with a mean error of 9.1 cm, while the EGM2008 model has the lowest accuracy with a mean error of 11.3 cm. 2) The accuracy of five ultra-high-degree gravity field models does not significantly affect the final quasi-geoid accuracy. Among them, the quasi-geoid derived from considering the EGM2008, EIGEN-6C4, and SGG-UGM-2 models has the highest external consistency accuracy with a mean error of 5.0 cm. The quasi-geoid derived from XGM2019e_2159 model with the highest accuracy has the lowest external consistency accuracy with a mean error of 5.5 cm.
, authors=Jie XIAO
1, authorsList=Jie XIAO, authorCompany=null, correspAuthors=null, authorNote=
XIAO Jie, PhD, senior engineer, majors in satellite navigation and positioning and datum construction, E-mail: xiaojie19801208@163.com
, correspAuthorsNote=null, copyrightStatement=
All rights reserved. Unauthorized reproduction is prohibited., 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, fund=null), CN=ArticleExt(id=1322506748959768920, articleId=1322506744950014275, tenantId=1146029695717560320, journalId=1281212831689347082, language=CN, title=基于超高阶地球重力场模型和多面函数法的似大地水准面精化方法研究, columnId=1322506242858271689, journalTitle=大地测量与地球动力学, columnName=地球物理解释, runingTitle=null, highlight=null, articleAbstract=
针对国际上公布的5种阶数为2 190阶的超高阶地球重力场模型EGM2008、EIGEN-6C4、GECO、SGG-UGM-2和XGM2019e_2159,以山西地区为例,开展似大地水准面精化研究。首先利用实测GNSS/水准数据对比分析5种模型在山西地区的精度水平;然后基于移去-恢复技术,利用多面函数法分别对移去5种超高阶重力场模型计算值后的剩余高程异常进行似大地水准面拟合,提出基于等值线法的多面函数结点选择方法,并对拟合精度进行对比分析。结果表明:1)5种地球重力场模型在山西地区的精度分布情况一致,误差较大的区域主要分布在山西北面地势较高的高山地带,并且XGM2019e_2159模型精度最高,中误差为9.1 cm;EGM2008模型精度最低,中误差为11.3 cm。2)5种超高阶重力场模型的精度对最终的似大地水准面精度的影响并不明显,其中顾及EGM2008、EIGEN-6C4、SGG-UGM-2等3种模型的似大地水准面的外符合精度最高,中误差为5.0 cm;而精度最高的XGM2019e_2159模型,其似大地水准面的外符合精度最低,中误差为5.5 cm。
, authors=肖杰
1, authorsList=肖杰, authorCompany=null, correspAuthors=null, authorNote=
, correspAuthorsNote=null, copyrightStatement=
版权所有,未经授权,不得转载。, copyrightOwner=大地测量与地球动力学编辑部, extLink=null, articleAbsUrl=null, sourceXml=4AMhH69zQHEvO2wjcsj0rw==, magXml=45ryz1/7gRM2FsNp1RuJCQ==, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=IcuGxUCQ5KxguglEB4a9gg==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=2lrKUQYrNntrBa8KRTcEAQ==, mapNumber=null, fund=null)}, authors=[Author(id=1322506749299507549, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322506744950014275, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=xiaojie19801208@163.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1322506749370810719, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322506744950014275, authorId=1322506749299507549, language=EN, stringName=Jie XIAO, firstName=Jie, middleName=null, lastName=XIAO, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, address=1 Shanxi Institute of Surveying, Mapping and Geoinformation, 136 Yingze Street, Taiyuan 030001, China, bio={"content":"
XIAO Jie, PhD, senior engineer, majors in satellite navigation and positioning and datum construction, E-mail: xiaojie19801208@163.com
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XIAO Jie, PhD, senior engineer, majors in satellite navigation and positioning and datum construction, E-mail: xiaojie19801208@163.com
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1, address=1 山西省测绘地理信息院, 太原市迎泽大街136号, 030001, bio={"content":"
肖杰,博士,高级工程师,主要从事卫星导航定位及基准建设研究,E-mail: xiaojie19801208@163.com
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肖杰,博士,高级工程师,主要从事卫星导航定位及基准建设研究,E-mail: xiaojie19801208@163.com
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超高阶地球重力场模型与实测高程异常差值区间分布, figureFileSmall=T622+eBoa232ifbnr828cg==, figureFileBig=l1LxNjhMTDbaGMpOvAOSlg==, tableContent=null), ArticleFig(id=1322506750943674737, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322506744950014275, language=EN, label=Fig. 4, caption=
Terrain elevation zoning, figureFileSmall=HutHEIFAhhRhqB0pxU3ESg==, figureFileBig=ECap1myl33pRAReIOKtsUg==, tableContent=null), ArticleFig(id=1322506751010783602, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322506744950014275, language=CN, label=图4, caption=
地形高程分区, figureFileSmall=HutHEIFAhhRhqB0pxU3ESg==, figureFileBig=ECap1myl33pRAReIOKtsUg==, tableContent=null), ArticleFig(id=1322506751073698163, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322506744950014275, language=EN, label=Fig. 5, caption=
Nodes distribution of multiquadric function, figureFileSmall=PqbKv/2rcosjvPH5vcVfXA==, figureFileBig=y8DSJolRBx9/SsDz76jCJQ==, tableContent=null), ArticleFig(id=1322506751145001332, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322506744950014275, language=CN, label=图5, caption=
多面函数结点分布, figureFileSmall=PqbKv/2rcosjvPH5vcVfXA==, figureFileBig=y8DSJolRBx9/SsDz76jCJQ==, tableContent=null), ArticleFig(id=1322506751207915893, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322506744950014275, language=EN, label=Fig. 6, caption=
Distribution of known points and check points, figureFileSmall=HS5cHGIUxmyNOgpoYtABFw==, figureFileBig=S+WXVVQ8NLhq4Bdjj9jxMQ==, tableContent=null), ArticleFig(id=1322506751275024758, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322506744950014275, language=CN, label=图6, caption=
已知点和检查点分布, figureFileSmall=HS5cHGIUxmyNOgpoYtABFw==, figureFileBig=S+WXVVQ8NLhq4Bdjj9jxMQ==, tableContent=null), ArticleFig(id=1322506751375688055, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322506744950014275, language=EN, label=Fig. 7, caption=
Residuals distribution of know points, figureFileSmall=BUQ10Ia5UxvotoYnhkhklw==, figureFileBig=S+sZzuCIsAA2dRzkXz0MKw==, tableContent=null), ArticleFig(id=1322506751455379832, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322506744950014275, language=CN, label=图7, caption=
已知点残差分布, figureFileSmall=BUQ10Ia5UxvotoYnhkhklw==, figureFileBig=S+sZzuCIsAA2dRzkXz0MKw==, tableContent=null), ArticleFig(id=1322506753128907129, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322506744950014275, language=EN, label=Fig. 8, caption=
Residuals distribution of check points, figureFileSmall=kAp6xXMY+D5+6X7blDAM/Q==, figureFileBig=LetwTLyRN75W1p6r46MoqQ==, tableContent=null), ArticleFig(id=1322506753221181818, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322506744950014275, language=CN, label=图8, caption=
检查点残差分布, figureFileSmall=kAp6xXMY+D5+6X7blDAM/Q==, figureFileBig=LetwTLyRN75W1p6r46MoqQ==, tableContent=null), ArticleFig(id=1322506753292484987, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322506744950014275, language=EN, label=Tab. 1, caption=
Accuracy statistics of Earth gravity field models
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| 地球重力场模型 | 平均值/cm | 最大值/cm | 中误差/cm |
| EGM2008 | 11.9 | 72.2 | 11.3 |
| EIGEN-6C4 | 13.2 | 63.8 | 9.1 |
| GECO | 13.3 | 65.0 | 9.2 |
| XGM2019e_2159 | 12.8 | 61.7 | 9.1 |
| SGG-UGM-2 | 12.9 | 66.0 | 9.6 |
), ArticleFig(id=1322506753388953980, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322506744950014275, language=CN, label=表1, caption=
地球重力场模型精度统计
, figureFileSmall=null, figureFileBig=null, tableContent=
| 地球重力场模型 | 平均值/cm | 最大值/cm | 中误差/cm |
| EGM2008 | 11.9 | 72.2 | 11.3 |
| EIGEN-6C4 | 13.2 | 63.8 | 9.1 |
| GECO | 13.3 | 65.0 | 9.2 |
| XGM2019e_2159 | 12.8 | 61.7 | 9.1 |
| SGG-UGM-2 | 12.9 | 66.0 | 9.6 |
), ArticleFig(id=1322506753451868541, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322506744950014275, language=EN, label=Tab. 2, caption=
Statistics on area proportion at difference intervals between ultra-high-degree Earth gravity field models and measured elevation anomaly
, figureFileSmall=null, figureFileBig=null, tableContent=
| 区间/m | 区间面积占比/% |
| EGM2008 | EIGEN-6C4 | GECO | XGM2019e_2159 | SGG-UGM-2 |
| [0, 0.15) | 57.01 | 53.79 | 52.31 | 56.10 | 54.03 |
| [0.15, 0.30) | 34.71 | 39.65 | 41.33 | 38.06 | 38.71 |
| [0.30, 0.45) | 6.74 | 5.87 | 5.37 | 5.10 | 6.40 |
| [0.45, 0.60) | 1.38 | 0.67 | 0.96 | 0.73 | 0.82 |
| [0.60, 0.75] | 0.16 | 0.02 | 0.03 | 0.01 | 0.04 |
), ArticleFig(id=1322506753539948926, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322506744950014275, language=CN, label=表2, caption=
超高阶地球重力场模型与实测高程异常差值区间面积占比统计
, figureFileSmall=null, figureFileBig=null, tableContent=
| 区间/m | 区间面积占比/% |
| EGM2008 | EIGEN-6C4 | GECO | XGM2019e_2159 | SGG-UGM-2 |
| [0, 0.15) | 57.01 | 53.79 | 52.31 | 56.10 | 54.03 |
| [0.15, 0.30) | 34.71 | 39.65 | 41.33 | 38.06 | 38.71 |
| [0.30, 0.45) | 6.74 | 5.87 | 5.37 | 5.10 | 6.40 |
| [0.45, 0.60) | 1.38 | 0.67 | 0.96 | 0.73 | 0.82 |
| [0.60, 0.75] | 0.16 | 0.02 | 0.03 | 0.01 | 0.04 |
), ArticleFig(id=1322506753619640703, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322506744950014275, language=EN, label=Tab. 3, caption=
Internal coincidence accuracy statistics
, figureFileSmall=null, figureFileBig=null, tableContent=
| 地球重力场模型 | 平均值/cm | 最大值/cm | 中误差/cm |
| EGM2008 | 2.8 | 13.2 | 3.8 |
| EIGEN-6C4 | 2.7 | 13.2 | 3.7 |
| GECO | 2.9 | 12.9 | 3.9 |
| XGM2019e_2159 | 2.9 | 14.3 | 4.1 |
| SGG-UGM-2 | 2.7 | 13.2 | 3.7 |
), ArticleFig(id=1322506753703526784, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322506744950014275, language=CN, label=表3, caption=
内符合精度统计
, figureFileSmall=null, figureFileBig=null, tableContent=
| 地球重力场模型 | 平均值/cm | 最大值/cm | 中误差/cm |
| EGM2008 | 2.8 | 13.2 | 3.8 |
| EIGEN-6C4 | 2.7 | 13.2 | 3.7 |
| GECO | 2.9 | 12.9 | 3.9 |
| XGM2019e_2159 | 2.9 | 14.3 | 4.1 |
| SGG-UGM-2 | 2.7 | 13.2 | 3.7 |
), ArticleFig(id=1322506753783218561, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322506744950014275, language=EN, label=Tab. 4, caption=
External coincidence accuracy statistics
, figureFileSmall=null, figureFileBig=null, tableContent=
| 地球重力场模型 | 平均值/cm | 最大值/cm | 中误差/cm |
| EGM2008 | 3.8 | 18.2 | 5.0 |
| EIGEN-6C4 | 3.8 | 18.3 | 5.0 |
| GECO | 3.9 | 19.1 | 5.1 |
| XGM2019e_2159 | 4.2 | 20.4 | 5.5 |
| SGG-UGM-2 | 3.8 | 19.5 | 5.0 |
), ArticleFig(id=1322506753854521730, tenantId=1146029695717560320, journalId=1281212831689347082, articleId=1322506744950014275, language=CN, label=表4, caption=
外符合精度统计
, figureFileSmall=null, figureFileBig=null, tableContent=
| 地球重力场模型 | 平均值/cm | 最大值/cm | 中误差/cm |
| EGM2008 | 3.8 | 18.2 | 5.0 |
| EIGEN-6C4 | 3.8 | 18.3 | 5.0 |
| GECO | 3.9 | 19.1 | 5.1 |
| XGM2019e_2159 | 4.2 | 20.4 | 5.5 |
| SGG-UGM-2 | 3.8 | 19.5 | 5.0 |
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