Verifying the Accuracy of Recent Global Geopotential Models in North-West Mozambique

被引：0

作者：

Bos, M. S. ^{[1
]}

Fernandes, R. M. S. ^{[1
,2
]}

Almeida, P. G. ^{[3
]}

Cordeiro, M. ^{[1
]}

Coetzee, W. ^{[4
]}

机构：

[1] Univ Beira Interior, Inst D Luis, R Marques dAvila & Boloma, P-6201001 Covilha, Portugal

[2] Delft Univ Technol, Kluyverweg 1, NL-2629 HS Delft, Netherlands

[3] Univ Beira Interior, GEOBIOTEC, R Marques dAvila & Boloma, P-6201001 Covilha, Portugal

[4] Rio Tinto Coal Mozambique, Bairro Comunal Matundo Parcela 1049, Tete, Mozambique

来源：

IAG 150 YEARS | 2016年 / 143卷

关键词：

EGM2008; EIGEN-6C2; Gravity model verification; Mozambique;

D O I：

10.1007/1345_2015_102

中图分类号：

P3 [地球物理学]; P59 [地球化学];

学科分类号：

0708 ; 070902 ;

摘要：

Several high resolution global geopotentialmodels have been published in recent years. Two of them are EGM2008 and EIGEN-6C2, which have accuracies on the order of 3-20cm in Europe and Australia. However, part of this accuracy is related to the high number of gravity observations available in these areas. In Africa there are still many regions without terrestrial gravity observations such as north Mozambique. Using the results of a recent terrestrial gravity campaign in north-west Mozambique we conclude that the error of the EGM2008 and EIGEN-6C2 here is still on the order of +/- 60 cm, which strongly limits their use for many scientific and technical applications.

引用

页码：347 / 354

页数：8

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