Author:
Ganagina Irina G.,Karpik Alexander P.,Kanushin Vadim F.,Goldobin Denis N.,Mazurova Elena M.
Abstract
AbstractThe paper presents research of the evolution of resolution capabilities and approximation accuracy of the last decade global geopotential models based on space gravimetric measurements of CHAMP, GRACE and GOCE missions using their spectral characteristics.The comparison between the model data with point measurements data on gravity anomalies and quasigeoid heights for the territory of Novosibirsk region is shown. Based on the research results the conclusion was drawn that accuracy characteristics of current global models under test built by the results of satellite gravimetry missions do not achieve the specified accuracy of 1 cm and 1 mGal on the territory under investigation. The research has made it possible to state that at the current technological and methodical level the potential has been reached as concerns EGF models resolution and accuracy enhancement.
Publisher
Springer Berlin Heidelberg
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