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  • 1
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    Exploration of Subsurface Antarctica : Uncovering Past Changes and Modern Processes (2018)
    London : The Geological Society
    Details
    Keywords: Antarctica ; glaciology ; subglacial Antarctica ; subglacial mountains ; subglacial lakes ; subglacial volcanoes ; glacier mass loss
    Description / Table of Contents: Exploration of subsurface Antarctica: uncovering past changes and modern processes / Martin J. Siegert, Stewart S. R. Jamieson and Duanne White / Geological Society, London, Special Publications, 461, 1-6, 25 September 2017, https://doi.org/10.1144/SP461.15 --- A 60-year international history of Antarctic subglacial lake exploration / Martin J. Siegert / Geological Society, London, Special Publications, 461, 7-21, 25 May 2017, https://doi.org/10.1144/SP461.5 --- Exploring the Recovery Lakes region and interior Dronning Maud Land, East Antarctica, with airborne gravity, magnetic and radar measurements / Rene Forsberg, Arne V. Olesen, Fausto Ferraccioli, Tom A. Jordan, Kenichi Matsuoka, Andres Zakrajsek, Marta Ghidella and Jamin S. Greenbaum / Geological Society, London, Special Publications, 461, 23-34, 20 September 2017, https://doi.org/10.1144/SP461.17 --- Ice-flow reorganization within the East Antarctic Ice Sheet deep interior / L. H. Beem, M. G. P. Cavitte, D. D. Blankenship, S. P. Carter, D. A. Young, G. R. Muldoon, C. S. Jackson and M. J. Siegert / Geological Society, London, Special Publications, 461, 35-47, 11 August 2017, https://doi.org/10.1144/SP461.14 --- Was South Georgia covered by an ice cap during the Last Glacial Maximum? / Duanne A. White, Ole Bennike, Martin Melles, Sonja Berg and Steven A. Binnie / Geological Society, London, Special Publications, 461, 49-59, 13 June 2017, https://doi.org/10.1144/SP461.4 --- The Gebra–Magia Complex: mass-transport processes reworking trough-mouth fans in the Central Bransfield Basin (Antarctica) / D. Casas, M. García, F. Bohoyo, A. Maldonado and G. Ercilla / Geological Society, London, Special Publications, 461, 61-75, 16 June 2017, https://doi.org/10.1144/SP461.10 --- Bathymetry of Schirmacher lakes as a tool for geomorphological evolution studies / Ashit Kumar Swain / Geological Society, London, Special Publications, 461, 77-93, 11 July 2017, https://doi.org/10.1144/SP461.13 --- Heavy mineral assemblage of marine sediments as an indicator of provenance and east antarctic ice sheet fluctuations / Mayuri Pandey, Naresh C. Pant, Paromita Biswas, Prakash K. Shrivastava, Sonalika Joshi and Neety Nagi / Geological Society, London, Special Publications, 461, 95-111, 22 June 2017, https://doi.org/10.1144/SP461.2 --- Position and variability of complex structures in the central East Antarctic Ice Sheet / Thilo Wrona, Michael J. Wolovick, Fausto Ferraccioli, Hugh Corr, Tom Jordan and Martin J. Siegert / Geological Society, London, Special Publications, 461, 113-129, 15 June 2017, https://doi.org/10.1144/SP461.12 --- Summit of the East Antarctic Ice Sheet underlain by thick ice-crystal fabric layers linked to glacial–interglacial environmental change / Bangbing Wang, Bo Sun, Carlos Martin, Fausto Ferraccioli, Daniel Steinhage, Xiangbin Cui and Martin J. Siegert / Geological Society, London, Special Publications, 461, 131-143, 26 May 2017, https://doi.org/10.1144/SP461.1 --- Drilling project at Gamburtsev Subglacial Mountains, East Antarctica: recent progress and plans for the future / Pavel Talalay, Youhong Sun, Yue Zhao, Yuansheng Li, Pinlu Cao, Alexey Markov, Huiwen Xu, Rusheng Wang, Nan Zhang, Xiaopeng Fan, Yang Yang, Mikhail Sysoev, Yongwen Liu and Yunchen Liu / Geological Society, London, Special Publications, 461, 145-159, 24 May 2017, https://doi.org/10.1144/SP461.9 --- A deep subglacial embayment adjacent to the grounding line of Institute Ice Stream, West Antarctica / Hafeez Jeofry, Neil Ross, Hugh F. J. Corr, Jilu Li, Prasad Gogineni and Martin J. Siegert / Geological Society, London, Special Publications, 461, 161-173, 13 June 2017, https://doi.org/10.1144/SP461.11 --- Ocean forced variability of Totten Glacier mass loss / Jason Roberts, Benjamin K. Galton-Fenzi, Fernando S. Paolo, Claire Donnelly, David E. Gwyther, Laurie Padman, Duncan Young, Roland Warner, Jamin Greenbaum, Helen A. Fricker, Antony J. Payne, Stephen Cornford, Anne Le Brocq, Tas van Ommen, Don Blankenship and Martin J. Siegert / Geological Society, London, Special Publications, 461, 175-186, 23 August 2017, https://doi.org/10.1144/SP461.6 --- Chemical characteristics of the ice cores obtained after the first unsealing of subglacial Lake Vostok / Irina Alekhina, Alexey Ekaykin, Alexey Moskvin and Vladimir Lipenkov / Geological Society, London, Special Publications, 461, 187-196, 24 May 2017, https://doi.org/10.1144/SP461.3 --- Antarctic subglacial groundwater: a concept paper on its measurement and potential influence on ice flow / Martin J. Siegert, Bernd Kulessa, Marion Bougamont, Poul Christoffersen, Kerry Key, Kristoffer R. Andersen, Adam D. Booth and Andrew M. Smith / Geological Society, London, Special Publications, 461, 197-213, 25 May 2017, https://doi.org/10.1144/SP461.8 --- Modern to Glacial age subglacial meltwater drainage at Law Dome, coastal East Antarctica from topography, sediments and jökulhlaup observations / Ian D. Goodwin, Jason L. Roberts, David M. Etheridge, John Hellstrom, Andrew D. Moy, Marta Ribo and Andrew M. Smith / Geological Society, London, Special Publications, 461, 215-230, 12 July 2017, https://doi.org/10.1144/SP461.16 --- A new volcanic province: an inventory of subglacial volcanoes in West Antarctica / Maximillian van Wyk de Vries, Robert G. Bingham and Andrew S. Hein / Geological Society, London, Special Publications, 461, 231-248, 29 May 2017, https://doi.org/10.1144/SP461.7
    Pages: Online-Ressource (VI, 255 Seiten) , Diagramme, Karten
    ISBN: 9781786203229
    URL: http://sp.lyellcollection.org/content/461/1
    Language: English
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  • 2
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    Combined palaeotopography and palaeobathymetry of the Antarctic continent and the Southern Ocean since 34 Ma (2020)
    PANGAEA
    Details
    Publication Date: 2023-01-30
    Description: High-resolution palaeotopographic and -bathymetric models of the Southern Ocean and the Antarctic continent facilitate detailed investigation of past ice sheet and ocean circulation development from land to sea, which is essential for robust reconstructions of the paleoclimate, palaeocryosphere, and palaeoceanography. These important boundary conditions have been newly reconstructed based on all available geophysical and geological data and merged together to form complete grids of the Southern Ocean and Antarctica. For detailed information on the reconstructions, please refer to Paxman et al. (2019) and Hochmuth et al. (2020) for the palaeotopography and the palaeobathymetry, respectively. For further information on the merging process, please see the attached readme document. We present a compilation of the merged palaeotopography and palaeobathymetry for five key time slices in the Cenozoic development of the Antarctic continent and the Southern Ocean: (i) Eocene/Oligocene Boundary (34 Ma), (ii) Oligocene/Miocene Transition (23 Ma), (iii) middle Miocene (14 Ma), (iv) early Pliocene (5 Ma), and (v) Pliocene/Pleistocene Boundary (2.6 Ma). Note: The primary authors of the original publications, G. Paxman and K. Hochmuth are equally contributing joint first authors of this dataset compilation.
    Keywords: Antarctica; Binary Object; Binary Object (File Size); Binary Object (Media Type); Eocene/Oligocene Boundary; Miocene; palaeobathymetry; palaeotopography; Pleistocene; Pliocene; Southern Ocean
    Type: Dataset
    Format: text/tab-separated-values, 11 data points
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  • 3
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    Pollen and spores, calculated temperature and precipitation of IODP Hole 318-U1356A (2012)
    PANGAEA
    In:  Supplement to: Pross, Jörg; Contreras, Lineth; Bijl, Peter K; Greenwood, David R; Bohaty, Steven M; Schouten, Stefan; Bendle, James A; Röhl, Ursula; Tauxe, Lisa; Raine, J Ian; Huck, Claire E; van de Flierdt, Tina; Jamieson, Stewart S R; Stickley, Catherine E; van de Schootbrugge, Bas; Escutia Dotti, Carlota; Brinkhuis, Henk; IODP Expedition 318 Scientists (2012): Persistent near-tropical warmth on the Antarctic continent during the early Eocene epoch. Nature, 488(7409), 73-77, https://doi.org/10.1038/nature11300
    Details
    Publication Date: 2023-11-06
    Description: The warmest global climates of the past 65 million years occurred during the early Eocene epoch (about 55 to 48 million years ago), when the Equator-to-pole temperature gradients were much smaller than today (doi:10.1130/0091-7613(1995)023〈1044:ECCALT〉2.3.CO;2, doi:10.1038/nature08399) and atmospheric carbon dioxide levels were in excess of one thousand parts per million by volume (doi:10.1016/j.gca.2003.09.002, doi:10.1038/ngeo1186). Recently the early Eocene has received considerable interest because it may provide insight into the response of Earth's climate and biosphere to the high atmospheric carbon dioxide levels that are expected in the near future (doi:10.1007/s10584-011-0156-z) as a consequence of unabated anthropogenic carbon emissions (doi:10.1038/ngeo1186, doi:10.1038/nature06588). Climatic conditions of the early Eocene 'greenhouse world', however, are poorly constrained in critical regions, particularly Antarctica. Here we present a well-dated record of early Eocene climate on Antarctica from an ocean sediment core recovered off the Wilkes Land coast of East Antarctica. The information from biotic climate proxies (pollen and spores) and independent organic geochemical climate proxies (indices based on branched tetraether lipids) yields quantitative, seasonal temperature reconstructions for the early Eocene greenhouse world on Antarctica. We show that the climate in lowland settings along the Wilkes Land coast (at a palaeolatitude of about 70° south) supported the growth of highly diverse, near-tropical forests characterized by mesothermal to megathermal floral elements including palms and Bombacoideae. Notably, winters were extremely mild (warmer than 10 °C) and essentially frost-free despite polar darkness, which provides a critical new constraint for the validation of climate models and for understanding the response of high-latitude terrestrial ecosystems to increased carbon dioxide forcing.
    Keywords: 318-U1356A; DRILL; Drilling/drill rig; Exp318; Integrated Ocean Drilling Program / International Ocean Discovery Program; IODP; Joides Resolution; Wilkes Land
    Type: Dataset
    Format: application/zip, 6 datasets
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  • 4
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    (Table S5) Taxa defining the upper and lower limits in the application of the coexistence approach for temperate rainforest biome (2012)
    PANGAEA
    Details
    Publication Date: 2023-11-06
    Keywords: 318-U1356A; DEPTH, sediment/rock; DRILL; Drilling/drill rig; Exp318; Integrated Ocean Drilling Program / International Ocean Discovery Program; IODP; Joides Resolution; Taxon/taxa; Wilkes Land
    Type: Dataset
    Format: text/tab-separated-values, 512 data points
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  • 5
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    (Table S2) Bioclimatic analysis for IODP Hole 318-U1356A based on Greenwood et al., 2005 (2012)
    PANGAEA
    Details
    Publication Date: 2023-11-06
    Keywords: 318-U1356A; Calculated, see reference(s); DEPTH, sediment/rock; DRILL; Drilling/drill rig; Exp318; Integrated Ocean Drilling Program / International Ocean Discovery Program; IODP; Joides Resolution; Precipitation, annual mean; Precipitation, annual mean, standard deviation; Temperature, annual mean; Temperature, annual mean, standard deviation; Temperature, summer; Temperature, summer, standard deviation; Temperature, winter; Temperature, winter, standard deviation; Wilkes Land
    Type: Dataset
    Format: text/tab-separated-values, 2590 data points
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  • 6
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    (Table S4) Taxa defining the upper and lower limits in the application of the coexistence approach for paratropical rainforest biome (2012)
    PANGAEA
    Details
    Publication Date: 2023-11-06
    Keywords: 318-U1356A; DEPTH, sediment/rock; DRILL; Drilling/drill rig; Exp318; Integrated Ocean Drilling Program / International Ocean Discovery Program; IODP; Joides Resolution; Taxon/taxa; Wilkes Land
    Type: Dataset
    Format: text/tab-separated-values, 432 data points
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  • 7
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    (Table S1) Pollen and spores of IODP Hole 318-U1356A (2012)
    PANGAEA
    Details
    Publication Date: 2023-11-06
    Keywords: 318-U1356A; Alisporites sp.; Alisporites tenuicorpus; Anacolosidites acutullus; Anacolosidites luteoides; Araucariacites spp.; Arecipites microverrucatus; Arecipites spp.; Assamiapollenites cf. incognitus; Baculatisporis sp.; Baculatisporites spp.; Battenipollis sectilis; Beaupreaidites cf. elegansiformis; Beaupreaidites orbiculatus-type; Beaupreaidites sp.; Beaupreaidites verrucosus; Bluffopollis scabratus; Bombacacidites protocostatus; Bombacacidites sp.; Brevitricolpites sp.; Callialasporites dampierii; Camarozonosporites cf. ohaiensis; Camarozonosporites sp.; Cannanoropollis obscurus; Chomotriletes sp.; Cicatricosisporites sp.; Classopollis spp.; Counting, palynology; Crassoretitriletes vanraadshoovenii; Crusafontites sp.; Cyathidites cf. splendens; Cyathidites granulatus; Cyathidites sp.; Cyathidites spp.; Dacrycarpites sp.; Dacrydiumites spp.; Densoisporites sp.; Densosporites sp.; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Dicotetradites clavatus; Dilwynites granulatus; Dilwynites tuberculatus; DRILL; Drilling/drill rig; Ephedripites sp.; Ericipites sp.; Exp318; Foveotriletes lacunosus; Foveotriporites sp.; Fungi; Gambierina edwardsii; Gleichenidiites spp.; Gleicheniidites spp.; Graminidites sp.; Granulatisporites sp.; Granulatosporis sp.; Integrated Ocean Drilling Program / International Ocean Discovery Program; Integricorpus sp.; Intratriporopollenites cf. notabilis; IODP; Ischyosporites sp.; Joides Resolution; Klukisporites sp.; Kuylisporites waterbolkii; Laevigatosporites sp.; Laevigatosporites spp.; Lycopodium exoticum; Lycopodiumsporites sp.; Malvacipollis sp.; Malvacipollis spp.; Margocolporites cf. cribellatus; Margocolporites sp.; Microalatidites varisaccatus; Microcachryidites antarticus; Myricipites harrisii; Myrtaceidites spp.; Myrtaceidites tenuis; Neoraistrickia truncata; Nothofagidites asperus complex; Nothofagidites cf. waipawaensis; Nothofagidites flemingii complex; Nothofagidites lachlaniae complex; Nothofagidites spp.; Peninsulapollis sp.; Periporopollenites cf. polyoratus; Periporopollenites cf. vesicus; Phyllocladidites mawsonii; Plicatipollenites spp.; Podocarpidites otagoensis; Podocarpidites sp.; Podocarpidites spp.; Podosporites sp.; Pollen, bisaccate; Pollen and spores; Pollen and spores, reworked; Pollen and spores, reworked per unit sediment mass; Pollen and spores per unit sediment mass; Polycolpites sp.; Polycolpoporopollenites sp.; Polypodiaceoisporites sp.; Polypodiisporites sp.; Propylipollis sp.; Proteacidites aff. reticuloscabratus; Proteacidites annularis; Proteacidites cf. adenanthoides; Proteacidites cf. amolosexinus; Proteacidites cf. annularis; Proteacidites cf. callosus; Proteacidites cf. crassus; Proteacidites cf. incurvatus; Proteacidites cf. minimus; Proteacidites cf. ornatus; Proteacidites cf. pseudomoides; Proteacidites cf. spiniferus; Proteacidites cf. subscabratus; Proteacidites cf. tuberculatus; Proteacidites constrictus; Proteacidites pachypolus; Proteacidites parvus; Proteacidites pseudosyncolporites; Proteacidites reticuloscabratus; Proteacidites similis; Proteacidites sp.; Proteacidites spp.; Proteacidites symphyonemoides; Psilabrevitricolporites sp.; Psilamonocolpites sp.; Psilamonocolpites spp.; Psilastephanocolporites sp.; Psilastephanoporites sp.; Psilatricolpites sp.; Psilatricolpites spp.; Psilatricolporites sp.; Psilatricolporites spp.; Psilatriporites sp.; Psilatriporites spp.; Psilatriporites vestigiatus; Punctatosporites sp.; Retibrevitricolporites sp.; Retistephanocolporites sp.; Retistephanoporites sp.; Retitricolpites spp.; Retitricolporites spp.; Retitriporites sp.; Rhoipites spp.; Sample code/label; Sample mass; Scabratisporis sp.; Scabratricolporites sp.; Schizophacus cf. parvus; Spathiphyllum-type; Spores, baculate trilete; Spores, clavate trilete; Spores, echinate; Spores, foveolate; Spores, foveolate trilete; Spores, laevigate trilete; Spores, trilete; Spores, trilete echinate; Spores, trilete reticulate; Spores, trilete scabrate; Spores, trilete verrucate; Spores, trisaccate; Spores, verrucate; Stereisporites sp.; Striatopodocarpites spp.; Striatricolpites sp.; Tetracolporites oamaruensis; Tetraporina sp.; Tricolpites cf. lilliei; Tricolpites sp.; Triorites aff. spinosus; Triporites sp.; Triporoletes cf. reticulatus; Triporopollenites cf. ambiguus; Triporopollenites sp.; Tubulifloridites sp.; Weylandites lucifer; Wilkes Land
    Type: Dataset
    Format: text/tab-separated-values, 31175 data points
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  • 8
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    (Table S6) Calculated annual mean air temperature of IODP Hole 318-U1356A (2012)
    PANGAEA
    Details
    Publication Date: 2023-11-06
    Keywords: 318-U1356A; Calculated from the MBT/CBT proxy; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; DRILL; Drilling/drill rig; Exp318; Integrated Ocean Drilling Program / International Ocean Discovery Program; IODP; Joides Resolution; Sample code/label; Temperature, air, annual mean; Wilkes Land
    Type: Dataset
    Format: text/tab-separated-values, 336 data points
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  • 9
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    (Table S3) Bioclimatic analysis for IODP Hole 318-U1356A based on Mosbrugger and Utescher, 1997 (2012)
    PANGAEA
    Details
    Publication Date: 2023-11-06
    Keywords: 318-U1356A; Calculated, see reference(s); DEPTH, sediment/rock; DRILL; Drilling/drill rig; Exp318; Integrated Ocean Drilling Program / International Ocean Discovery Program; IODP; Joides Resolution; Precipitation, annual mean; Precipitation, annual mean, maximum; Precipitation, annual mean, minimum; Temperature, annual mean; Temperature, annual mean, maximum; Temperature, annual mean, minimum; Temperature, summer; Temperature, summer, maximum; Temperature, summer, minimum; Temperature, winter; Temperature, winter, maximum; Temperature, winter, minimum; Wilkes Land
    Type: Dataset
    Format: text/tab-separated-values, 3646 data points
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  • 10
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    Summer sea-ice variability on the Antarctic margin during the last glacial period reconstructed from snow petrel (Pagodroma nivea) stomach-oil deposits (2022)
    EGU Publications
    In:  EPIC3Climate of the Past, EGU Publications, 18(2), pp. 381-403, ISSN: 1814-9332
    Details
    Publication Date: 2022-03-07
    Description: Antarctic sea ice is a critical component of the climate system affecting a range of physical and biogeochemical feedbacks and supporting unique ecosystems. During the last glacial stage, Antarctic sea ice was more extensive than today, but uncertainties in geological (marine sediments), glaciological (ice core), and climate model reconstructions of past sea-ice extent continue to limit our understanding of its role in the Earth system. Here, we present a novel archive of past sea-ice environments from regurgitated stomach oils of snow petrels (Pagodroma nivea) preserved at nesting sites in Dronning Maud Land, Antarctica. We show that by combining information from fatty acid distributions and their stable carbon isotope ratios with measurements of bulk carbon and nitrogen stable isotopes and trace metal data, it is possible to reconstruct changing snow petrel diet within Marine Isotope Stage 2 (ca. 24.3–30.3 cal kyr BP). We show that, as today, a mixed diet of krill and fish characterizes much of the record. However, between 27.4 and 28.7 cal kyr BP signals of krill almost disappear. By linking dietary signals in the stomach-oil deposits to modern feeding habits and foraging ranges, we infer the use by snow petrels of open-water habitats (“polynyas”) in the sea ice during our interval of study. The periods when consumption of krill was reduced are interpreted to correspond to the opening of polynyas over the continental shelf, which became the preferred foraging habitat. Our results show that extensive, thick, and multiyear sea ice was not always present close to the continent during the last glacial stage and highlight the potential of stomach-oil deposits as a palaeoenvironmental archive of Southern Ocean conditions.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
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