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  • PANGAEA  (528)
  • Elsevier  (1)
Publikationsart
Schlagwörter
Erscheinungszeitraum
  • 1
    Publikationsdatum: 2019-07-17
    Beschreibung: Temperature changes in Antarctica over the last millennium are investigated using proxy records, a set of simulations driven by natural and anthropogenic forcings and one simulation with data assimilation. Over Antarctica, a long term cooling trend in annual mean is simulated during the period 1000-1850. The main contributor to this cooling trend is the volcanic forcing, astronomical forcing playing a dominant role at seasonal timescale. Since 1850, all the models produce an Antarctic warming in response to the increase in greenhouse gas concentrations. We present a composite of Antarctic temperature, calculated by averaging seven temperature records derived from isotope measurements in ice cores. This simple approach is supported by the coherency displayed between model results at these data grid points and Antarctic mean temperature. The composite shows a weak multi-centennial cooling trend during the pre-industrial period and a warming after 1850 that is broadly consistent with model results. In both data and simulations, large regional variations are superimposed on this common signal, at decadal to centennial timescales. The model results appear spatially more consistent than ice core records. We conclude that more records are needed to resolve the complex spatial distribution of Antarctic temperature variations during the last millennium.
    Repository-Name: EPIC Alfred Wegener Institut
    Materialart: Article , isiRev
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 2
    Publikationsdatum: 2023-03-16
    Schlagwort(e): Calculated; Depth, bottom/max; DEPTH, ice/snow; Depth, top/min; Deuterium excess; DML95C07_01; Dronning Maud Land, Antarctica; EPICA; European Project for Ice Coring in Antarctica; FB0701; ICEDRILL; Ice drill; Mass spectrometer Finnigan Delta-S; Pre-IPICS; Sampling/drilling ice; δ18O, water; δ Deuterium
    Materialart: Dataset
    Format: text/tab-separated-values, 600 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 3
    Publikationsdatum: 2023-05-12
    Beschreibung: The Vernagtferner region has a long tradition of glaciological research performed by groups from Munich. It started in 1889, when Prof. Sebastian Finsterwalder from the Technical University in Munich produced the first map of a complete glacier based on terrestrial photogrammetry. Since then, numerous maps of the glacier have been made, describing the change in surface elevation for more than a century. These maps form the basis of the geodetic method of glacier mass balance determination, which provides volume changes as average data for the period between two surveys, i.e. typically for 10 years. Since the start of the glaciological method on Vernagtferner in 1964, annual as well as winter and summer mass balance data are available continuously. But only since 1973, the construction of the Vernagtbach station, approximately 1 km below the glacier margin at that time, provided the means to record a larger number of hydrological and meteorological parameters with a temporal resolution of typically 1 hour.
    Schlagwort(e): Glaciers Austria; Pegelstation_Vernagtbach; Pegelstation_Vernagtbach_meteorology; UGS; Unmanned gauge station; Unmanned weather station/meteorological observation; UWST; Vernagtferner, Ötztaler Alpen, Austria
    Materialart: Dataset
    Format: application/zip, 87 datasets
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 4
    facet.materialart.
    Unbekannt
    PANGAEA
    In:  Supplement to: Behrens, Horst; Oerter, Hans; Reinwarth, Oskar (1982): Results of tracer experiments with fluorescent dyes on Vernagtferner (Oetztal Alps, Austria) from 1974 to 1982. Zeitschrift für Gletscherkunde und Glazialgeologie, 18(1), 65-83, hdl:10013/epic.38457.d001
    Publikationsdatum: 2023-01-13
    Beschreibung: From 1974 to 1982 repeated tracer tests using fluorescent dyes were carried out in the highly glaciated drainage basin of Vernagtbach. These tests enabled the quantitative determination of the runoff in the forefield of the Vernagtferner, the calculation of travel times of the stream water and estimations of the relative contributions to the entire runoff originating from individual streams. In addition, tracer tests were carried out in the firn area of the glacier resulting in data concerning the storage and travel time of meltwater inside the glacier.
    Schlagwort(e): CM; Current meter; DATE/TIME; Number; Pegelstation_Vernagtbach; River discharge; Tracer dilution; UGS; Unmanned gauge station; Vernagtferner, Ötztaler Alpen, Austria; Water stage recorder
    Materialart: Dataset
    Format: text/tab-separated-values, 44 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 5
    Publikationsdatum: 2023-01-13
    Beschreibung: During an extensive field program, glaciologcal data have been collected at Nioghalvfjerdsfjiorden Glacier (79 North Glacier) in NE-Greenland in 1997 and 1998. A central part of the field work was dedicated to seismic investigations of the floating part of the glacier, determining the ice thickness, the underlying water column depth and the bedrock elevation. The seismic reflexion measurements were carried out with a 24-channel seismograph (Strataview). 600g explosives were used as energy source at a distance of 100 m from the first geophone. Details about the measurements and the project can be found in Mayer et al. (2000).
    Schlagwort(e): 79_North_Glacier; Bedrock elevation; Distance; Ice depth equivalent; Ice thickness, glacier; Identification; LATITUDE; LONGITUDE; MULT; Multiple investigations; NE-Greenland-1997-1998; Nioghalvfjerdsfjorden Glacier; Nioghalvfjerdsfjorden glacier project; Surface elevation; UTM Easting, Universal Transverse Mercator; UTM Northing, Universal Transverse Mercator
    Materialart: Dataset
    Format: text/tab-separated-values, 1000 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 6
    Publikationsdatum: 2023-01-13
    Schlagwort(e): 79_North_Glacier; Bedrock elevation; Distance; Ice depth equivalent; Ice thickness, glacier; Identification; LATITUDE; LONGITUDE; MULT; Multiple investigations; NE-Greenland-1997-1998; Nioghalvfjerdsfjorden Glacier; Nioghalvfjerdsfjorden glacier project; Surface elevation; UTM Easting, Universal Transverse Mercator; UTM Northing, Universal Transverse Mercator
    Materialart: Dataset
    Format: text/tab-separated-values, 562 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 7
    facet.materialart.
    Unbekannt
    PANGAEA
    In:  Supplement to: Mayer, Christoph; Reeh, Niels; Jung-Rothenhäusler, Frederik; Huybrechts, Philippe; Oerter, Hans (2000): The subglacial cavity and implied dynamics under Nioghalvfjerdsfjorden Glacier, NE-Greenland. Geophysical Research Letters, 27(15), 2289-2292, https://doi.org/10.1029/2000GL011514
    Publikationsdatum: 2023-01-13
    Beschreibung: During an extensive field program, glaciologcal data have been collected at Nioghalvfjerdsfjiorden Glacier (79 North Glacier) in NE-Greenland in 1997 and 1998. A central part of the field work was dedicated to seismic investigations of the floating part of the glacier, determining the ice thickness, the underlying water column depth and the bedrock elevation. The seismic reflexion measurements were carried out with a 24-channel seismograph (Strataview). 600g explosives were used as energy source at a distance of 100 m from the first geophone. Details about the measurements and the project can be found in Mayer et al. (2000).
    Schlagwort(e): 79_North_Glacier; MULT; Multiple investigations; NE-Greenland-1997-1998; Nioghalvfjerdsfjorden Glacier; Nioghalvfjerdsfjorden glacier project
    Materialart: Dataset
    Format: application/zip, 2 datasets
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 8
    Publikationsdatum: 2023-01-30
    Schlagwort(e): DATE/TIME; Glaciers Austria; Pegelstation_Vernagtbach; Pt-100 temperature sensor; River discharge; Temperature, water; UGS; Unmanned gauge station; Vernagtferner, Ötztaler Alpen, Austria; Vertical standpipe monitoring
    Materialart: Dataset
    Format: text/tab-separated-values, 6120 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 9
    Publikationsdatum: 2023-01-30
    Schlagwort(e): DATE/TIME; Glaciers Austria; Pegelstation_Vernagtbach; Pt-100 temperature sensor; River discharge; Temperature, water; UGS; Unmanned gauge station; Vernagtferner, Ötztaler Alpen, Austria; Vertical standpipe monitoring
    Materialart: Dataset
    Format: text/tab-separated-values, 5569 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 10
    Publikationsdatum: 2023-01-30
    Schlagwort(e): DATE/TIME; Glaciers Austria; Pegelstation_Vernagtbach; Pt-100 temperature sensor; River discharge; Temperature, water; UGS; Unmanned gauge station; Vernagtferner, Ötztaler Alpen, Austria; Vertical standpipe monitoring
    Materialart: Dataset
    Format: text/tab-separated-values, 7462 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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