Gravity anomaly map of the CELEBRATION 2000 seismic experimentregion
2006
The interpretation of the gravity field in the 2D and 3D space
requires an accurate Bouguer gravity anomaly map. This
requirement is of particular importance, when different
techniques, instrumentation and data processing methods have
been used in different parts of the area of interest. This
paper presents the Bouguer gravity anomaly map of the
CELEBRATION 2000 countries (Austria, Czech Republic, Hungary,
Poland and Slovak Republic) and reports on the calculation of
Bouguer gravity data. The gravity map will serve as basis for
2D and 3D modeling of the gravity field in the CELEBRATION 2000
region (45-54 deg. latitude and 12-24 deg. longitude). To avoid
truncation problems in the following quantitative
interpretation, the map area consists of both the CELEBRATION
2000 countries and adjacent areas. Due to different average
station density of gravity measurements in the countries
(Austria - 1 station/9 km2, Czech Republic - 1 station/2.6 km2,
Hungary - 4 stations/km2, Poland - 2.74 stations/km2 and Slovak
Republic 5 stations/km2) the gravity data were interpolated to
grids by using different spacing and projection in each
country. In the entire CELEBRATION area the average station
density is approximately 2.4 stations/km2 and the gravity data
set contains more than 1 620 000 measurement points.
Additionally, the most important regional gravity anomaly
patterns of the map are presented.
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