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  • 1
    Book
    Book
    Sedimentationsmuster um den Vesteris Seamount (zentrale Grönlandsee) in den letzten 250.000 Jahren : = Sedimentation patterns around the Vesteris Seamount (Central Greeland Sea) during the past 250,000 years (1995)
    Details Availability
    Keywords: Dissertation ; Hochschulschrift
    Type of Medium: Book
    Pages: 115, A-28 Bl , Ill., graph. Darst., Kt
    Language: German
    Note: Kiel, Univ., Diss. : 1995
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  • 2
    Book
    Book
    Sedimentationsmuster um den Vesteris Seamount (Zentrale Grönlandsee) in den letzten 250.000 Jahren : = Sedimentation patterns around the Vesteris Seamount (Central Greenland Sea) during the past 250,000 years (1995)
    Kiel : GEOMAR
    Details Availability
    Keywords: Dissertation ; Forschungsbericht ; Hochschulschrift ; Grönlandsee ; Sedimentation ; Grönlandsee ; Paläoozeanographie ; Grönlandsee ; Sedimentation ; Grönlandsee ; Paläoozeanographie
    Type of Medium: Book
    Pages: 121 S. , Ill., graph. Darst., Kt.
    Series Statement: GEOMAR-Report 44
    Language: German
    Note: Zsfassung in engl. Sprache , Zugl.: Kiel, Univ., Diss., 1995
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  • 3
    Online Resource
    Online Resource
    Sedimentationsmuster um den Vesteris Seamount (zentrale Grönlandsee) in den letzten 250.000 Jahren (1995)
    Kiel
    Details Availability
    Keywords: Dissertation ; Hochschulschrift
    Type of Medium: Online Resource
    Pages: 1 Online-Ressource ( 130Seiten = 99MB) , Ill., graph. Darst., Kt
    URL: https://oceanrep.geomar.de/id/eprint/28817
    Language: German
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  • 4
    Electronic Resource
    Electronic Resource
    Coastal erosion vs riverine sediment discharge in the Arctic Shelf seas (2000)
    Springer
    International journal of earth sciences 89 (2000), S. 450-460 
    Details
    ISSN: 1437-3262
    Keywords: Laptev Sea Beaufort Sea Coastal erosion Fluvial sediment discharge Sediment budget
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Notes: Abstract. This article presents a comparison of sediment input by rivers and by coastal erosion into both the Laptev Sea and the Canadian Beaufort Sea (CBS). New data on coastal erosion in the Laptev Sea, which are based on field measurements and remote sensing information, and existing data on coastal erosion in the CBS as well as riverine sediment discharge into both the Laptev Sea and the CBS are included. Strong regional differences in the percentages of coastal erosion and riverine sediment supply are observed. The CBS is dominated by the riverine sediment discharge (64.45×106 t a–1) mainly of the Mackenzie River, which is the largest single source of sediments in the Arctic. Riverine sediment discharge into the Laptev Sea amounts to 24.10×106 t a–1, more than 70% of which are related to the Lena River. In comparison with the CBS, the Laptev Sea coast on average delivers approximately twice as much sediment mass per kilometer, a result of higher erosion rates due to higher cliffs and seasonal ice melting. In the Laptev Sea sediment input by coastal erosion (58.4×106 t a–1) is therefore more important than in the CBS and the ratio between riverine and coastal sediment input amounts to 0.4. Coastal erosion supplying 5.6×106 t a–1 is less significant for the sediment budget of the CBS where riverine sediment discharge exceeds coastal sediment input by a factor of ca. 10.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s005310000113
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  • 5
    Electronic Resource
    Electronic Resource
    Sea-ice transport of riverine particles from the Laptev Sea to Fram Strait based on clay mineral studies (2000)
    Springer
    International journal of earth sciences 89 (2000), S. 496-502 
    Details
    ISSN: 1437-3262
    Keywords: Laptev Sea Riverine suspended particulate material Sediment transport Sea-ice sediments Clay minerals Transpolar drift
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Notes: Abstract. The aim of this study was to identify pathways and processes of modern sediment transport from the Siberian hinterland to the Laptev Sea and further to the Arctic Ocean. Clay mineral analyses were performed on riverine suspended particulate material (SPM), surface sediments of the Laptev Sea shelf, and sea-ice sediments (SIS). Material collected during seven expeditions was included in this study. Clay mineral assemblages are used to decipher the distribution of riverine sediments on the shallow Laptev Sea shelf, the entrainment of fine particles into newly forming ice, and the transport of SIS from the Laptev Sea towards the ablation areas. A cluster analysis of our data set shows that the clay mineral assemblages of Laptev Sea shelf sediments and SIS are controlled mainly by the input of riverine SPM supplied by the Khatanga, Lena, and Yana Rivers. Whereas the western shelf clay-mineral province is characterized by enhanced smectite concentrations supplied by the Khatanga River, the eastern Laptev Sea is dominated by illite discharged through the Lena and Yana Rivers. The SIS smectite concentration serves as an indicator for sediment source areas on the circum-Arctic shelves. Subsequently, the Transpolar Drift can be distinguished into a Siberian Branch fed from the eastern Kara Sea and the western Laptev Sea, and a Polar Branch originating from the eastern Laptev Sea.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s005310000109
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    Fulltext
  • 6
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    Coastal erosion vs riverine sediment discharge in the Arctic Shelf seas (2000)
    Springer
    In:  International Journal of Earth Sciences, 89 (3). pp. 450-460.
    Details
    Publication Date: 2019-09-23
    Description: This article presents a comparison of sediment input by rivers and by coastal erosion into both the Laptev Sea and the Canadian Beaufort Sea (CBS). New data on coastal erosion in the Laptev Sea, which are based on field measurements and remote sensing information, and existing data on coastal erosion in the CBS as well as riverine sediment discharge into both the Laptev Sea and the CBS are included. Strong regional differences in the percentages of coastal erosion and riverine sediment supply are observed. The CBS is dominated by the riverine sediment discharge (64.45x10(6) t a(-1)) mainly of the Mackenzie River, which is the largest single source of sediments in the Arctic. Riverine sediment discharge into the Laptev Sea amounts to 24.10x10(6) t a(-1), more than 70% of which an related to the Lena River. In comparison with the CBS, the Laptev Sea coast on average delivers approximately twice as much sediment mass per kilometer, a result of higher erosion rates due to higher cliffs and seasonal ice melting. Ln the Laptev Sea sediment input by coastal erosion (58.4x10(6) t a(-1)) is therefore more important than in the CBS and the ratio between riverine and coastal sediment input amounts to 0.4. Coastal erosion supplying 5.6x10(6) t a(-1) is less significant for the sediment budget of the CBS where riverine sediment discharge exceeds coastal sediment input by a factor of ca. 10.
    Type: Article , PeerReviewed
    Format: text
    DOI: 10.1007/s005310000113
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    OceanRep: Article in a Scientific Journal - peer-reviewed
  • 7
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    Unknown
    Sedimentationsmuster um den Vesteris Seamount (Zentrale Grönlandsee) in den letzten 250.000 Jahren = Sedimentation patterns around the Vesteris Seamount (Central Greenland Sea) during the past 250,000 years (1995)
    In:  (PhD/ Doctoral thesis), Christian-Albrechts-Universität, Kiel, 130 pp . GEOMAR-Report, 044 . DOI 10.3289/GEOMAR-Report_44_1995 〈http://dx.doi.org/10.3289/GEOMAR-Report_44_1995〉.
    Details
    Publication Date: 2015-09-18
    Type: Thesis , NonPeerReviewed
    Format: text
    DOI: 10.3289/GEOMAR-Report_44_1995
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    OceanRep: Thesis - not published by a publisher
  • 8
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    Sea-ice transport of riverine particles from the Laptev Sea to Fram Strait based on clay mineral studies (2000)
    Springer
    In:  International Journal of Earth Sciences, 89 (3). pp. 496-502.
    Details
    Publication Date: 2019-09-23
    Description: The aim of this study was to identify pathways and processes of modern sediment transport from the Siberian hinterland to the Laptev Sea and further to the Arctic Ocean. Clay mineral analyses were performed on riverine suspended particulate material (SPM), surface sediments of the Laptev Sea shelf, and sea-ice sediments (SIS). Material collected during seven expeditions was included in this study. Clay mineral assemblages are used to decipher the distribution of riverine sediments on the shallow Laptev Sea shelf, the entrainment of fine particles into newly forming ice, and the transport of SIS from the Laptev Sea towards the ablation areas. A cluster analysis of our data set shows that the clay mineral assemblages of Laptev Sea shelf sediments and SIS are controlled mainly by the input of riverine SPM supplied by the Khatanga, Lena, and Yana Rivers. Whereas the western shelf clay-mineral province is characterized by enhanced smectite concentrations supplied by the Khatanga River, the eastern Laptev Sea is dominated by illite discharged through the Lena and Yana Rivers. The SIS smectite concentration serves as an indicator for sediment source areas on the circum-Arctic shelves. Subsequently, the Transpolar Drift can be distinguished into a Siberian Branch fed from the eastern Kara Sea and the western Laptev Sea, and a Polar Branch originating from the eastern Laptev Sea.
    Type: Article , PeerReviewed
    Format: text
    DOI: 10.1007/s005310000109
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    OceanRep: Article in a Scientific Journal - peer-reviewed
  • 9
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    Further rock magnetic and chronostratigraphic results on reversal excursions during the last 50 ka as derived from northern high latitudes and discrepancies in precise AMS14C dating (2003)
    Wiley
    In:  Geophysical Journal International, 155 (3). pp. 1065-1080.
    Details
    Publication Date: 2019-09-23
    Description: A total of five sediment cores from three sites, the Arctic Ocean, the Fram Strait and the Greenland Sea, yielded evidence for geomagnetic reversal excursions and associated strong lows in relative palaeointensity during oxygen isotope stages 2 and 3. A general similarity of the obtained relative palaeointensity curves to reference data can be observed. However, in the very detail, results from this high‐resolution study differ from published records in a way that the prominent Laschamp excursion is clearly characterized by a significant field recovery when reaching the steepest negative inclinations, whereas only the N–R and R–N transitions are associated with the lowest values. Two subsequent excursions also reach nearly reversed inclinations but without any field recovery at that state. A total of 41 accelerator mass spectrometry (AMS) 14C ages appeared to allow a better age determination of these three directional excursions and related relative palaeointensity variations. However, although the three sites yielded more or less consistent chronological as well as palaeomagnetic results a comparison to another site, PS2644 in the Iceland Sea, revealed significant divergences in the ages of the geomagnetic field excursions of up to 4 ka even on basis of uncalibrated AMS 14C ages. This shift to older 14C ages cannot be explained by a time‐transgressive character of the excursions, because the distance between the sites is small when compared with the size of and the distance to the geodynamo in the Earth's outer core. The most likely explanation is a difference of reservoir ages and/or mixing with old 14C‐depleted CO2 from glacier ice expelled from Greenland at site PS2644.
    Type: Article , PeerReviewed
    Format: text
    DOI: 10.1111/j.1365-246X.2003.02115.x
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    OceanRep: Article in a Scientific Journal - peer-reviewed
  • 10
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    (Figure 7) Magnetostratigraphic measurements on sediment core PS1707-2
    PANGAEA
    Details
    Publication Date: 2023-06-27
    Keywords: AGE; ARK-V/2; AWI_Paleo; ChRM, Declination; ChRM, Inclination; DEPTH, sediment/rock; GIK21707-2 PS13/149; Jan Mayen Fracture Zone; KAL; Kasten corer; Long-core magnetometer DC SQUID SRM Enterprises; NRM, Intensity; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS13; PS1707-2
    Type: Dataset
    Format: text/tab-separated-values, 318 data points
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    DATA PANGAEA
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