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RG 2000 – the New Gravity Reference Frame of Sweden
Lantmäteriet.
Lantmäteriet.
Lantmäteriet.
Lantmäteriet.
Vise andre og tillknytning
2019 (engelsk)Inngår i: Geophysica, ISSN 0367-4231, E-ISSN 2324-0741, Vol. 54, nr 1, s. 69-92Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

The increased need for improved geoid models for Global Navigation Satellite Systems (GNSS) height determination calls for additional gravity observations and quality assurance of existing data. In this perspective, a modern gravity system and the renovation of an already existing high order gravity network is considered as a moderate strategic investment which provides a firm foundation for further activities. Here the new gravity reference frame RG 2000 for Sweden is presented. RG 2000 is realized by absolute gravity observations at 109 stations. The absolute points are connected via old and new relative gravity observations, including another 216 points. Points and observations have been chosen so that good overlap with the older Swedish reference frames, RG 62 and RG 82, is achieved, allowing to evaluate the older frames and transformations between them. RG 2000 is based on a zero permanent tide system with epoch 2000.

sted, utgiver, år, opplag, sider
Geophysical Society of Finland , 2019. Vol. 54, nr 1, s. 69-92
Emneord [en]
Gravity, Reference Frame, Absolute gravimetry, Gravity network, FG5, A10, RG 2000
HSV kategori
Identifikatorer
URN: urn:nbn:se:hig:diva-31122OAI: oai:DiVA.org:hig-31122DiVA, id: diva2:1373572
Tilgjengelig fra: 2019-11-27 Laget: 2019-11-27 Sist oppdatert: 2019-11-28bibliografisk kontrollert

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