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THE EFFECT OF GEOPOTENTIAL PERTURBATIONS OF GOCE ON ITS OBSERVATIONS - A NUMERICAL STUDY
KTH, School of Architecture and the Built Environment (ABE), Transport and Economics (closed 20110301), Geodesy (closed 20110301).
2009 (English)In: ACTA GEODAETICA ET GEOPHYSICA HUNGARICA, ISSN 1217-8977, Vol. 44, no 4, 385-398 p.Article in journal (Refereed) Published
Abstract [en]

In solution of gradiometric boundary value problem in space a regular grid of satellite gravity gradiometry data is required. This grid is considered on a sphere with radius of the mean Earth sphere and altitude of satellite. However, the gravitational gradients are measured by a gradiometer mounted on GOCE satellite and orbital perturbations of the satellite influence GOCE observations as well. In this study we present that these effects are about 2 E on GOCE data. Also numerical studies on the gravitational gradients in orbital frame show that the perturbations of co-latitude are more significant than that of inclination. The effect of perturbed inclination is less than -9 mE while the effect of perturbed co-latitude is within -173 mE in one day revolution of GOCE.

Place, publisher, year, edition, pages
2009. Vol. 44, no 4, 385-398 p.
Keyword [en]
gravitational gradients, local north oriented frame, orbital frame, satellite gravity gradiometry
National Category
Geophysics Earth and Related Environmental Sciences
Identifiers
URN: urn:nbn:se:kth:diva-32206DOI: 10.1556/AGeod.44.2009.4.2ISI: 000272763000002Scopus ID: 2-s2.0-77949440568OAI: oai:DiVA.org:kth-32206DiVA: diva2:409882
Note
QC 20110411Available from: 2011-04-11 Created: 2011-04-11 Last updated: 2011-04-11Bibliographically approved

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  • Other locale
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Output format
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