ARTEFACTS IN GRAVITY FIELD MODELLING

被引：6

作者：

Klokocnik, Jaroslav ^{[1
]}

Kostelecky, Jan ^{[2
,3
]}

Bezdek, Ales ^{[1
,4
]}

Kletetschka, Gunther ^{[5
,6
]}

机构：

[1] Czech Acad Sci, Astron Inst, CZ-25165 Ondrejov, Fricova, Czech Republic

[2] Res Inst Geodesy Topog & Cartog, CZ-25066 Zdiby 98, Czech Republic

[3] VSB TU Ostrava, Fac Min & Geol, CZ-70833 Ostrava, Czech Republic

[4] Czech Tech Univ, Fac Civil Engn, CZ-16629 Prague 6, Czech Republic

[5] Charles Univ Prague, Dept Appl Geophys, Albertov 6, Prague 2, Czech Republic

[6] Univ Alaska Fairbanks, Inst Geophys, 903 N Koyukuk Dr, Fairbanks, AK 99775 USA

来源：

ACTA GEODYNAMICA ET GEOMATERIALIA | 2021年 / 18卷 / 04期

关键词：

Artefacts: graining; Aliasing; Along-track stripes; Gravity aspects; Gravity field models; Topography models; ORBITER LASER ALTIMETER; CHAMP; ACCURACY; GRACE; RECOVERY; GEODESY;

D O I：

10.13168/AGG.2021.0037

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：

Artefacts in applications of the global gravity field and topographic models based on satellite and terrestrial data of diverse kinds are studied. Various types of artefacts are presented and analysed with the aim to understand how the artefacts originated, how to reduce them (if feasible) and to avoid misinterpretations in geoscience. We work with the gravity aspects (gravity anomalies, the Marussi tensor of the second derivatives of disturbing potential, gravity invariants and their specific ratio, strike angles, and virtual deformations), and with surface or bedrock topography. Examples for the Earth, the Moon, and Mars are presented.

引用

页码：511 / 524

页数：14

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