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  • English  (3)
  • 1
    Keywords: Antarctica; glacial geology; paleoclimatology; paleoenvironment; Southern Ocean
    Description / Table of Contents: Introduction --- Antarctic Palaeoenvironments and Earth-Surface Processes in context / Michael J. Hambrey and Bethan J. Davies / Geological Society, London, Special Publications, 381, 1-5, 24 September 2013, https://doi.org/10.1144/SP381.27 --- A. Palaeozoic and Mesozoic evolution of the Antarctic Continent --- The geological and tectonic evolution of the Transantarctic Mountains: a review / David H. Elliot / Geological Society, London, Special Publications, 381, 7-35, 1 July 2013, https://doi.org/10.1144/SP381.14 --- Differential Movement across Byrd Glacier, Antarctica, as indicated by Apatite (U–Th)/He thermochronology and geomorphological analysis / D. J. Foley, E. Stump, M. van Soest, K. X. Whipple and K. V. Hodges / Geological Society, London, Special Publications, 381, 37-43, 6 August 2013, https://doi.org/10.1144/SP381.25 --- Mesozoic to recent evolution of intraplate stress fields under multiple remote stresses: The case of Signy Island (South Orkney Microcontinent, Antarctica) / A. Maestro, J. López-Martínez and F. Bohoyo / Geological Society, London, Special Publications, 381, 45-65, 19 April 2013, https://doi.org/10.1144/SP381.4 --- The Taylor Group (Beacon Supergroup): the Devonian sediments of Antarctica / Margaret A. Bradshaw / Geological Society, London, Special Publications, 381, 67-97, 6 August 2013, https://doi.org/10.1144/SP381.23 --- Late Cretaceous dinosaurs from the James Ross Basin, West Antarctica / Marcelo A. Reguero, Claudia P. Tambussi, Rodolfo A. Coria and Sergio A. Marenssi / Geological Society, London, Special Publications, 381, 99-116, 24 July 2013, https://doi.org/10.1144/SP381.20 --- Palaeobiogeography of Austral echinoid faunas: a first quantitative approach / Thomas Saucede, Benjamin Pierrat, Arnaud Brayard and Bruno David / Geological Society, London, Special Publications, 381, 117-127, 19 April 2013, https://doi.org/10.1144/SP381.6 --- B. Cenozoic glaciation and impacts --- Taxonomic diversity of Eocene Antarctic penguins: a changing picture / Piotr Jadwiszczak / Geological Society, London, Special Publications, 381, 129-138, 24 June 2013, https://doi.org/10.1144/SP381.7 --- Heat-flow determinations of basement age in small oceanic basins of the southern central Scotia Sea / P. F. Barker, L. A. Lawver and R. D. Larter / Geological Society, London, Special Publications, 381, 139-150, 19 April 2013, https://doi.org/10.1144/SP381.3 --- Cenozoic landscape and ice drainage evolution in the Lambert Glacier–Amery Ice Shelf system / Duanne A. White / Geological Society, London, Special Publications, 381, 151-165, 1 July 2013, https://doi.org/10.1144/SP381.15 --- History of the grounded ice sheet in the Ross Sea sector of Antarctica during the Last Glacial Maximum and the last termination / Brenda L. Hall, George H. Denton, John O. Stone and Howard Conway / Geological Society, London, Special Publications, 381, 167-181, 19 April 2013, https://doi.org/10.1144/SP381.5 --- Late Eocene Glaciofluvial to Glaciomarine transition in the Lambert Graben: constraints from lithofacies and mineralogy of ODP Site 1166 sediments, Prydz Bay, Antarctica / K. Strand, J. Köykkä and J. Lamminen / Geological Society, London, Special Publications, 381, 183-197, 30 July 2013, https://doi.org/10.1144/SP381.24 --- The Offshore New Harbour Project: deciphering the Middle Miocene through Late Eocene seismic stratigraphy of Offshore New Harbour, western Ross Sea, Antarctica / Stephen F. Pekar, Marvin A. Speece, Gary S. Wilson, David S. Sunwall and Kirsty J. Tinto / Geological Society, London, Special Publications, 381, 199-213, 19 April 2013, https://doi.org/10.1144/SP381.2 --- Constraints on Antarctic Ice Sheet configuration during and following the Last Glacial Maximum and its episodic contribution to sea-level rise / John B. Anderson, Alexandra E. Kirshner and Alexander R. Simms / Geological Society, London, Special Publications, 381, 215-232, 1 July 2013, https://doi.org/10.1144/SP381.13 --- Glaciomarine sedimentation dynamics of the Abbot glacial trough of the Amundsen Sea Embayment shelf, West Antarctica / Katharina Hochmuth and Karsten Gohl / Geological Society, London, Special Publications, 381, 233-244, 24 July 2013, https://doi.org/10.1144/SP381.21 --- Southern Ocean bioproductivity during the last glacial cycle – new detection method and decadal-scale insight from the Scotia Sea / D. Sprenk, M. E. Weber, G. Kuhn, P. Rosén, M. Frank, M. Molina-Kescher, V. Liebetrau and H.-G. Röhling / Geological Society, London, Special Publications, 381, 245-261, 30 July 2013, https://doi.org/10.1144/SP381.17 --- Palaeoenvironmental records from the West Antarctic Peninsula drift sediments over the last 75 ka / Maryline J. Vautravers, David A. Hodell, James E. T. Channell, Claus-Dieter Hillenbrand, Mike Hall, James Smith and Robert D. Larter / Geological Society, London, Special Publications, 381, 263-276, 5 July 2013, https://doi.org/10.1144/SP381.12 --- Provenance of Pleistocene sediments from Site U1359 of the Wilkes Land IODP Leg 318 – evidence for multiple sourcing from the East Antarctic Craton and Ross Orogen / N. C. Pant, P. Biswas, Prakash K. Shrivastava, S. Bhattacharya, Kamlesh Verma, Mayuri Pandey and Iodp Expedition 318 Scientific Party / Geological Society, London, Special Publications, 381, 277-297, 1 July 2013, https://doi.org/10.1144/SP381.11 --- C. Glacial and periglacial processes --- Geomorphological evidence of cold-based glacier activity in South Victoria Land, Antarctica / C. B. Atkins / Geological Society, London, Special Publications, 381, 299-318, 24 July 2013, https://doi.org/10.1144/SP381.18 --- A review of geomorphic processes and landforms in the Dry Valleys of southern Victoria Land: implications for evaluating climate change and ice-sheet stability / D. R. Marchant, S. L. Mackay, J. L. Lamp, A. T. Hayden and J. W. Head / Geological Society, London, Special Publications, 381, 319-352, 1 July 2013, https://doi.org/10.1144/SP381.10 --- Landscape evolution and ice-sheet behaviour in a semi-arid polar environment: James Ross Island, NE Antarctic Peninsula / Bethan J. Davies, Neil F. Glasser, Jonathan L. Carrivick, Michael J. Hambrey, John L. Smellie and Daniel Nývlt / Geological Society, London, Special Publications, 381, 353-395, 19 April 2013, https://doi.org/10.1144/SP381.1 --- Windows on Antarctic soil–landscape relationships: comparison across selected regions of Antarctica / Megan R. Balks, Jerónimo López-Martínez, Sergey V. Goryachkin, Nikita S. Mergelov, Carlos E. G. R. Schaefer, Felipe N. B. Simas, Peter C. Almond, Graeme G. C. Claridge, Malcolm Mcleod and Joshua Scarrow / Geological Society, London, Special Publications, 381, 397-410, 16 May 2013, https://doi.org/10.1144/SP381.9 --- Sedimentary processes in two different polar periglacial environments: Examples from Schirmacher Oasis and Larsemann Hills, East Antarctica / Rajesh Asthana, Prakash K. Shrivastava, M. Javed Beg, Ashit K. Swain, Amit Dharwadkar, Sandip K. Roy and Hari B. Srivastava / Geological Society, London, Special Publications, 381, 411-427, 30 July 2013, https://doi.org/10.1144/SP381.22 --- Periglacial processes and landforms of the Antarctic: a review of recent studies and directions / Kevin Hall / Geological Society, London, Special Publications, 381, 429-453, 1 July 2013, https://doi.org/10.1144/SP381.16 --- Palaeoshoreline records of glacial isostatic adjustment in the Dry Valleys region, Antarctica / Stephanie A. Konfal, T. J. Wilson and B. L. Hall / Geological Society, London, Special Publications, 381, 455-467, 30 July 2013, https://doi.org/10.1144/SP381.26 --- Characteristic atmosphere–ocean–solid earth interactions in the Antarctic coastal and marine environment inferred from seismic and infrasound recording at Syowa Station, East Antarctica / Masaki Kanao, Alessia Maggi, Yoshiaki Ishihara, Eleonore Stutzmann, Masa-Yuki Yamamoto and Genti Toyokuni / Geological Society, London, Special Publications, 381, 469-480, 16 May 2013, https://doi.org/10.1144/SP381.8 --- Evaluation of Envisat ASAR IMP imagery for snow mapping at varying spatial resolution (Deception Island, South Shetlands – Antarctica) / Carla Mora, Gonçalo Vieira and Miguel Ramos / Geological Society, London, Special Publications, 381, 481-493, 24 July 2013, https://doi.org/10.1144/SP381.19
    Pages: Online-Ressource (VI, 506 Seiten) , Illustrationen, Diagramme, Karten
    ISBN: 9781862396401
    Language: English
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  • 2
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    In:  XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG)
    Publication Date: 2023-09-29
    Description: In the past, environmental crises (like volcanic eruptions, or earthquakes) were seen as an opportunity by European scientists to 'drop in', make measurements, gather samples and return home to share their knowledge with other European scientists. This colonial history has left two legacies. First, while there are detailed reports of some of these past crises in European libraries, museums and archives, a lot of this information is only accessible to people who are able to visit in person. Second, the importance of local observers, and the value of their observations, has often been overlooked, or forgotten. We present details from both eruptive and non-eruptive crises on three volcanic islands of the Caribbean: St. Vincent, Montserrat and Dominica, from 1890 - 2000. This includes several major eruptions (1902, 1979; St Vincent; 1995- Montserrat), and earthquake activity associated with volcanic unrest (1934-1939, Montserrat; 1937 Dominica). We have uncovered information about the impacts of volcanic activity, and the responses of decision-makers. The uncertainty of volcanic unrest is particularly difficult to cope with, and decisions are delayed or not taken that could lead to disaster. Valuable observations and measurements made by observers are overlooked, we have been able to use these to reconstruct activity and will share their value in this presentation. Finally, networks are not just instrumental, they obstruct as well as circulate data and information. We will also share our new open-access digital repository for these documents and the lessons for crisis response today from the historical record.
    Language: English
    Type: info:eu-repo/semantics/conferenceObject
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  • 3
    Publication Date: 2023-07-11
    Description: Glaciers are important contributors to water resources in many parts of the world, as well as constituting potential hazards. Monitoring of glaciers with remote sensing data is complicated by the presence of supraglacial debris which limits the effectiveness of semi-automated glacier delineation techniques. Furthermore, debris-covered glaciers are notoriously hard to survey in the field due to their complex, chaotic topography, and the presence of ephemeral ice cliffs and supraglacial lakes. As such, debris-covered glaciers are poorly represented in global inventories such as GLIMS and RGI, which consist of an assemblage of outlines from various dates. These inventories are subject to uncertainties due to mapping by multi-analysts using different methods. Despite recent efforts to map supraglacial debris cover at regional level, there remains an urgent need to develop a global, robust automated mapping approach based on open access data. Novel remote sensing data including high-resolution optical and radar data combined with emerging machine learning offer unique opportunities to advance current mapping methods. Here we evaluate current indices used in mapping supraglacial debris-cover and derive a best-practice workflow recommendation from particular combinations of these indices to derive glacier outlines for six representative subregions chosen globally: Khumbu and Manaslu regions (Nepal), Cordillera Blanca (Peru), Northern Patagonian Ice fields, Alaska Wrangell range, Hunza valley (Karakoram) and the Tien Shan. We present preliminary results of machine learning algorithms that combine the various remote sensing indices. The aim is to develop a robust, systematic method to map debris cover in a consistent manner at multi-temporal scales.
    Language: English
    Type: info:eu-repo/semantics/conferenceObject
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