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  • PANGAEA  (95)
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  • 1
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    PANGAEA
    In:  Supplement to: Wendt, Jens; Dietrich, Reinhard; Fritsche, Mathias; Wendt, Anja; Yuskevich, A V; Kokhanov, Andrey; Senatorov, Anton; Lukin, Valeriy V; Shibuya, Kazuo; Doi, Koichiro (2006): Geodetic observations of ice flow velocities over the southern part of subglacial Lake Vostok, Antarctica, and their glaciological implications. Geophysical Journal International, 166(3), 991-998, https://doi.org/10.1111/j.1365-246X.2006.03061.x
    Publication Date: 2023-10-28
    Description: In the austral summer seasons 2001/02 and 2002/03, Global Positioning System (GPS) data were collected in the vicinity of Vostok Station to determine ice flow velocities over Lake Vostok. Ten GPS sites are located within a radius of 30 km around Vostok Station on floating ice as well as on grounded ice to the east and to the west of the lake. Additionally, a local deformation network around the ice core drilling site 5G-1 was installed. The derived ice flow velocity for Vostok Station is 2.00 m/a ± 0.01 m/a. Along the flowline of Vostok Station an extension rate of about 10**-5/a (equivalent to 1 cm/km/a) was determined. This significant velocity gradient results in a new estimate of 28700 years for the transit time of an ice particle along the Vostok flowline from the bedrock ridge in the southwest of the lake to the eastern shoreline. With these lower velocities compared to earlier studies and, hence, larger transit times the basal accretion rate is estimated to be 4 mm/a along a portion of the Vostok flowline. An assessment of the local accretion rate at Vostok Station using the observed geodetic quantities yields an accretion rate in the same order of magnitude. Furthermore, the comparison of our geodetic observations with results inferred from ice-penetrating radar data indicates that the ice flow may not have changed significantly for several thousand years.
    Keywords: Azimuth; Azimuth, standard deviation; Calculated from GPS; Elevation of event; Event label; GPS_CNTR; GPS_EAST; GPS_G100; GPS_G200; GPS_IS12; GPS_VC10; GPS_VC20; GPS_VOST; GPS_VW06; GPS_WEST; Latitude of event; Longitude of event; Priority Programme 1158 Antarctic Research with Comparable Investigations in Arctic Sea Ice Areas; SPP1158; Time coverage; Velocity, standard deviation; Velocity magnitude
    Type: Dataset
    Format: text/tab-separated-values, 64 data points
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  • 2
    Publication Date: 2019-07-17
    Repository Name: EPIC Alfred Wegener Institut
    Type: PANGAEA Documentation , notRev
    Format: application/pdf
    Format: application/zip
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  • 3
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    PANGAEA
    In:  MARUM - Center for Marine Environmental Sciences, University Bremen
    Publication Date: 2023-03-03
    Keywords: Center for Marine Environmental Sciences; DARCLIFE; DARCSEAS II; Deep subsurface Archaea: carbon cycle, life strategies, and role in sedimentary ecosystems; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; GeoB17305-3; IODP Method C (Blum, 1997); MARUM; MUC; MultiCorer; Porosity; POS450; POS450_581-3; Poseidon; Proposed International Geo Sample Number; Western Mediterranean Sea
    Type: Dataset
    Format: text/tab-separated-values, 36 data points
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  • 4
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    PANGAEA
    In:  MARUM - Center for Marine Environmental Sciences, University Bremen
    Publication Date: 2023-03-03
    Keywords: Center for Marine Environmental Sciences; DARCLIFE; DARCSEAS II; Deep subsurface Archaea: carbon cycle, life strategies, and role in sedimentary ecosystems; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; GC; GeoB17307-8; Gravity corer; IODP Method C (Blum, 1997); MARUM; Porosity; POS450; POS450_585-3; Poseidon; Proposed International Geo Sample Number; Western Mediterranean Sea
    Type: Dataset
    Format: text/tab-separated-values, 63 data points
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  • 5
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    PANGAEA
    In:  MARUM - Center for Marine Environmental Sciences, University Bremen
    Publication Date: 2023-03-03
    Keywords: Center for Marine Environmental Sciences; DARCLIFE; DARCSEAS II; Deep subsurface Archaea: carbon cycle, life strategies, and role in sedimentary ecosystems; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; GC; GeoB17306-2; Gravity corer; IODP Method C (Blum, 1997); MARUM; Porosity; POS450; POS450_586-1; Poseidon; Proposed International Geo Sample Number; Western Mediterranean Sea
    Type: Dataset
    Format: text/tab-separated-values, 106 data points
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  • 6
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    PANGAEA
    In:  MARUM - Center for Marine Environmental Sciences, University Bremen
    Publication Date: 2023-03-03
    Keywords: Center for Marine Environmental Sciences; DARCLIFE; DARCSEAS II; Deep subsurface Archaea: carbon cycle, life strategies, and role in sedimentary ecosystems; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; GeoB17308-1; IODP Method C (Blum, 1997); MARUM; MUC; MultiCorer; Porosity; POS450; POS450_584-1; Poseidon; Proposed International Geo Sample Number; Western Mediterranean Sea
    Type: Dataset
    Format: text/tab-separated-values, 32 data points
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  • 7
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    PANGAEA
    In:  MARUM - Center for Marine Environmental Sciences, University Bremen
    Publication Date: 2023-03-03
    Keywords: Center for Marine Environmental Sciences; DARCLIFE; DARCSEAS II; Deep subsurface Archaea: carbon cycle, life strategies, and role in sedimentary ecosystems; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; GC; GeoB17308-4; Gravity corer; IODP Method C (Blum, 1997); MARUM; Porosity; POS450; POS450_587-1; Poseidon; Proposed International Geo Sample Number; Western Mediterranean Sea
    Type: Dataset
    Format: text/tab-separated-values, 83 data points
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  • 8
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    PANGAEA
    In:  MARUM - Center for Marine Environmental Sciences, University Bremen
    Publication Date: 2023-03-03
    Keywords: Center for Marine Environmental Sciences; DARCLIFE; DARCSEAS II; Deep subsurface Archaea: carbon cycle, life strategies, and role in sedimentary ecosystems; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; GeoB17311-2; IODP Method C (Blum, 1997); MARUM; MUC; MultiCorer; Porosity; POS450; POS450_591-2; Poseidon; Proposed International Geo Sample Number; Western Mediterranean Sea
    Type: Dataset
    Format: text/tab-separated-values, 32 data points
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  • 9
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    PANGAEA
    In:  MARUM - Center for Marine Environmental Sciences, University Bremen
    Publication Date: 2023-03-03
    Keywords: Center for Marine Environmental Sciences; DARCLIFE; DARCSEAS II; Deep subsurface Archaea: carbon cycle, life strategies, and role in sedimentary ecosystems; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; GeoB17310-1; IODP Method C (Blum, 1997); MARUM; MUC; MultiCorer; Porosity; POS450; POS450_590-1; Poseidon; Proposed International Geo Sample Number; Western Mediterranean Sea
    Type: Dataset
    Format: text/tab-separated-values, 24 data points
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  • 10
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    PANGAEA
    In:  MARUM - Center for Marine Environmental Sciences, University Bremen
    Publication Date: 2023-03-03
    Keywords: Center for Marine Environmental Sciences; DARCLIFE; DARCSEAS II; Deep subsurface Archaea: carbon cycle, life strategies, and role in sedimentary ecosystems; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Gas chromatography - Flame Ionization Detection (GC-FID); Gas chromatography - Isotope ratio mass spectrometer (GC-IRMS); GeoB17306-1; MARUM; Methane; MUC; MultiCorer; POS450; POS450_582-1; Poseidon; Proposed International Geo Sample Number; Western Mediterranean Sea; δ13C, methane; δ13C, methane, standard deviation
    Type: Dataset
    Format: text/tab-separated-values, 56 data points
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