Lindner, Klaus; Ritter, Bernhard (1985): Tab. 6+7: Altitudes and variations of altitudes in the area of the Filchner and Neumayer Stations. PANGAEA, https://doi.org/10.1594/PANGAEA.761578, Supplement to: Lindner, K; Ritter, B (1985): Geodätische Arbeiten auf den Filchner-Ronne- und Ekström-Schelfeisen 1979 bis 1982. Polarforschung, 55(1), 1-26, hdl:10013/epic.29558.d001
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The determination of the strain and velocity behaviour of the ice surface near the two German Antarctic Stations on Filchner/Ronne and Ekström ice shelves was performed by the use of various geodetic measuring techniques. The relative positions and heights of control points valid for reference data were deduced from terrestrial observations (horizontal and vertical angle selectro optical distances). After a second sampling of data, these values served as the basis for the deformation analyses. Doppler-Satellite-observations (Navy Navigation Satellite System) made absolute positioning (latitude, longitude, height) of special points possible. These Doppler observations, supported by azimuth measurements (gyro-theodolite and sun observations) provided the datum of control networks (translations and orientation). After the repetition of these observations, the drift rates and azimuths of the control points as wenas the rotanon rates of the surface elements could be given. From vertical angles and horizontal distances differences in height end refraction coefficients were calculated. On days without clouds the refraction coefflcients increased by arnounts of up to 3.0 (in extreme cases up to 5.0). Distances over 1 km have to be subdivided to reach a standard deviation level of an heigh: difference better than 0.05 m. In order to determine the heterögeneity of refraction, some height differences should be measured with higher accuracy end-by subdivision of distances.
Median Latitude: -73.830000 * Median Longitude: -29.325000 * South-bound Latitude: -77.010000 * West-bound Longitude: -50.400000 * North-bound Latitude: -70.650000 * East-bound Longitude: -8.250000
Date/Time Start: 1980-01-01T00:00:00 * Date/Time End: 1982-01-01T00:00:00
Minimum Elevation: -999.0 m * Maximum Elevation: 40.0 m
Filchner-Station * Latitude: -77.010000 * Longitude: -50.400000 * Date/Time Start: 1982-01-01T00:00:00 * Date/Time End: 1999-12-31T00:00:00 * Location: Filchner Ronne Ice Shelf * Campaign: FSE81 (Filchner-Schelfeis Expedition 1980/81) * Basis: Polarsirkel * Method/Device: Observation (OBSE)
Neumayer (WMO89002) * Latitude: -70.650000 * Longitude: -8.250000 * Date/Time: 1993-01-01T00:00:00 * Elevation Start: 40.0 m * Elevation End: -999.0 m * Location: Dronning Maud Land, Antarctica * Campaign: AWI_stations * Basis: AWI Antarctic Land Expedition * Method/Device: Research station (RS)
168 data points