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  • 1
    Monograph available for loan
    Monograph available for loan
    Cambridge : British Antarctic Survey
    Call number: AWI E3-89-0106
    Type of Medium: Monograph available for loan
    Pages: 156 Seiten , 29 cm
    Edition: First edition: June 1987
    ISBN: 0856651230
    Language: English
    Location: AWI Reading room
    Branch Library: AWI Library
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  • 2
    Monograph available for loan
    Monograph available for loan
    Cambridge : British Antarctic Survey
    Call number: AWI Bio-21-94362
    Type of Medium: Monograph available for loan
    Pages: 214 Seiten , Illustrationen , 30 cm
    Edition: 1st published
    ISBN: 0856651400
    Language: English
    Note: TABLE OF CONTENTS ECOLOGY 1 Sea ice: its formation, distribution and properties 2 Ice-associated ecosystems 3 Ice diatoms 4 Techniques for sampling sea-ice algae 5 The Antarctic planktonic ecosystem 6 Some aspects of the large-scale physical oceanography of the Arctic Ocean influencing biological oceanography 7 Arctic planktonic ecosystems 8 Arctic plankton diatoms: dominant species, biogeography 9 The paleontological significance of fossil diatoms from the high-latitude oceans TAXONOMY 10 Key to diatom families and glossary 11 Family Thalassiosiraceae Section 1: the genera Skeletonema, Pororsira, Bacterosira, and Detonula and the genus Thalassiosira from the Arctic Section 2: the genus Thalassiosira from the Antarctic 12 Family Leptocylindraceae: the genus Corethron 13 Family Coscinodiscaceae: the genus Stellarima 14 Family Hemidiscaceae: the genera Actinocyclus and Azpeitia 15 Family Rhizosoleniaceae: the genera Rhizosolenia and Proboscia 16 Family Biddulphiaceae: the genus Eucampia 17 Family Diatomaceae: the genera Thalassiothrix and Trichotoxon 18 Family Naviculaceae: Arctic species of the genera Diploneis, Gyrosigma, Haslea, Navicula, Pinnularia, Pleurosigma, Stauroneis and Stenoneis 19 Family Naviculaceae: the genera Plagiotropis, Manguinea, Membraneis, and Banquisia 20 Family Naviculaceae: the genus Pseudogomphonema 21 Family Auriculaceae and Bacillariaceae: the genera Auricula, Hantzschia, and Nitzschia 22 Family Bacillariaceae: the genus Nitzschia section Pseudonitzschia 23 Family Bacillariaceae: the genus Nitzschia section Nitzschiella 24 Family Bacillariaceae: the genus Nitzschia section Fragilariopsis BIBLlOGRAPHY
    Location: AWI Reading room
    Branch Library: AWI Library
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  • 3
    Publication Date: 2024-01-15
    Description: Geothermal heat flow in the polar regions plays a crucial role in understanding ice-sheet dynamics and predictions of sea level rise. Continental-scale indirect estimates often have a low spatial resolution and yield largest discrepancies in West Antarctica. Here we analyse geophysical data to estimate geothermal heat flow in the Amundsen Sea Sector of West Antarctica. With Curie depth analysis based on a new magnetic anomaly grid compilation, we reveal variations in lithospheric thermal gradients. We show that the rapidly retreating Thwaites and Pope glaciers in particular are underlain by areas of largely elevated geothermal heat flow, which relates to the tectonic and magmatic history of the West Antarctic Rift System in this region. Our results imply that the behavior of this vulnerable sector of the West Antarctic Ice Sheet is strongly coupled to the dynamics of the underlying lithosphere.
    Description: The Amundsen Sea sector, Antarctica, is underlain by shallow Curie depths – where the magnetic properties of rocks change – according to airborne magnetic data. This suggests high geothermal heat flow in this region of the West Antarctic Rift System.
    Description: Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research (Alfred-Wegener- Institute, Helmholtz Centre for Polar and Marine Research) https://doi.org/10.13039/501100003207
    Description: European Space Agency (ESA) https://doi.org/10.13039/501100000844
    Description: Deutsche Forschungsgemeinschaft (German Research Foundation) https://doi.org/10.13039/501100001659
    Description: https://doi.org/10.1594/PANGAEA.932452
    Keywords: ddc:551.1 ; Cryospheric science ; Geomagnetism ; Geophysics ; West Antarctica ; Amundsen Sea sector
    Language: English
    Type: doc-type:article
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