The New Method of Tidal Correction for Gravity Measurement on Island
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Graphical Abstract
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Abstract
Theexistingtidalandoceantideloadingmodelproduceslargeerrorsintidecorrectionsforgravitymeasurementonislands.Ashortperiodtidalmodelcansignificantlyimprovethetidalmodelandgravitymeasurementaccuracyofastation,establishedthroughshortperiodgravitymeasurementdataatastation.Thismethodcanbeappliedtotidecorrectionsoftheabsoluteandrelativegravitymeasurements.Itdoesnotneedtidalcorrectiontoobtainthegravitygradientwithsimultaneousmeas urementscheme;thereforethegravitygradientisnotsubjecttoinfluenceoftidalmodelerrors.
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