Recent Activities at the King Edward Point Geodetic Observatory, South Georgia, in Support of TIGA Objectives

In 2013 the King Edward Point (KEP) Geodetic Observatory was established in South Georgia, South Atlantic Ocean, in support of geoscience applications. South Georgia Island has been a key location for the seismic, geomagnetic and oceanic global monitoring networks. However, no geodetic permanent mon...

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Bibliographic Details
Main Authors: Teferle, Felix Norman, Hunegnaw, Addisu, Williams, Simon, Foden, Peter, Woodworth, Philip
Format: Conference Object
Language:English
Published: 2014
Subjects:
King Edward Point Geodetic Observatory
Global Navigation Satellite System
South Georgia Island
Tide gauge
precise levelling
geodetic surveying
Physical
chemical
mathematical & earth Sciences
Earth sciences & physical geography
Physique
chimie
mathématiques & sciences de la terre
Sciences de la terre & géographie physique
South Atlantic Ocean
Online Access:https://orbilu.uni.lu/handle/10993/17359
https://orbilu.uni.lu/bitstream/10993/17359/1/Teferleetal_KEPGO_upload.pdf
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Summary:In 2013 the King Edward Point (KEP) Geodetic Observatory was established in South Georgia, South Atlantic Ocean, in support of geoscience applications. South Georgia Island has been a key location for the seismic, geomagnetic and oceanic global monitoring networks. However, no geodetic permanent monitoring station had been established there despite the lack of observations from this region within the International GNSS Service (IGS) network of Global Navigation Satellite System (GNSS) stations. Currently, the observatory consists of two state-of-the-art GNSS stations (KEPA 42701M001 and KRSA 42702M001) with local benchmark networks, allowing the height determinations from the GNSS antennas to be transferred to the tide gauge (Global Sea Level Observing System 187) and forming a height reference within the International Terrestrial Reference Frame. In this study, we will present an evaluation of the GNSS observations from the KEP Geodetic Observatory for the period from February 2013 to December 2013. We calculate multipath and positioning statistics and compare these to those from IGS stations. We report on the benchmark network and tide board installation, as well as, on the results from the two levelling campaigns carried out to date. For the future it is envisaged that the stations will contribute to the TIGA objective of monitoring vertical land movements at tide gauges, and that KEPA will contribute to the IGS network. F1R-ING-PUL-12GSCG > GSCG > 01/04/2012 - 31/03/2015 > TEFERLE Felix Norman

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