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- Title
Long-Term GNSS Analysis for Local Geodetic Datum After 2011 Tohoku Earthquake.
- Authors
Kim, Su-Kyung; Bae, Tae-Suk
- Abstract
The current Korean national geodetic reference frame, KGD2002, refers to the fixed epoch at 2002·0 under the assumption that there is no crustal movement of the Korean peninsula. A discontinuity in the coordinates of the reference stations may occur due to the relocation of the stations, antenna replacement, or earthquakes. The static reference frame has difficulty in covering continuous and/or discontinuous crustal movements at the same time. A new dynamic local geodetic reference frame has been calculated based on eight years (2007–2014) of Global Navigation Satellite System (GNSS) data. The final geodetic coordinates and velocities were calculated on the basis of the IGb08 reference frame. The discontinuity caused by the 2011 Tohoku earthquake can be addressed using the newly proposed model in this study, which ensures the consistency and continuity of the local geodetic datum.
- Subjects
SENDAI Earthquake, Japan, 2011; GLOBAL Positioning System; GEODESY; CONTINUITY; DISCONTINUITY (Philosophy)
- Publication
Journal of Navigation, 2018, Vol 71, Issue 1, p117
- ISSN
0373-4633
- Publication type
Article
- DOI
10.1017/S0373463317000595