Recent Submissions

  • Early Paleogene variations in the calcite compensation depth: new constraints using old borehole sediments from across Ninetyeast Ridge, central Indian Ocean 

    Slotnick, B.S.; Lauretano, V.; Backman, J.; Dickens, G.R.; Sluijs, A.; Lourens, L. (2015)
     Major variations in global carbon cycling occurred between 62 and 48 Ma, and these very likely related to changes in the total carbon inventory of the ocean-atmosphere system. Based on carbon cycle theory, variations in ...
  • Large-Amplitude Variations in Carbon Cycling and Terrestrial Weathering during the Latest Paleocene and Earliest Eocene: The Record at Mead Stream, New Zealand 

    Slotnick, Benjamin S.; Dickens, Gerald R.; Nicolo, Micah J.; Hollis, Christopher J.; Crampton, James S.; Zachos, James C.; Sluijs, Appy (2012)
    The late Paleocene to early Eocene was marked by major changes in Earth surface temperature and carbon cycling. This included at least two, and probably more, geologically brief (<200-k.yr.) intervals of extreme warming, ...
  • Configuration of the Northern Antarctic Peninsula Ice Sheet at LGM based on a new synthesis of seabed imagery 

    Lavoie, C.; Domack, E.W.; Pettit, E.C.; Scambos, T.A.; Larter, R.D.; Schenke, H.-W.; Yoo, K.C.; Gutt, J.; Wellner, J.; Canals, M.; Anderson, J.B.; Amblas, D. (2015)
    We present a new seafloor map for the northern Antarctic Peninsula (AP), including swath multibeam data sets from five national programs. Our map allows for the examination and interpretation of Last Glacial Maximum (LGM) ...
  • Ross Sea paleo-ice sheet drainage and deglacial history during and since the LGM 

    Anderson, John B.; Conway, Howard; Bart, Philip J.; Witus, Alexandra E.; Greenwood, Sarah L.; McKay, Robert M.; Hall, Brenda L.; Ackert, Robert P.; Licht, Kathy; Jakobsson, Martin; Stone, John O. (2014)
    Onshore and offshore studies show that an expanded, grounded ice sheet occupied the Ross Sea Embayment during the Last Glacial Maximum (LGM). Results from studies of till provenance and the orientation of geomorphic features ...
  • Late Holocene climate change recorded in proxy records from a Bransfield Basin sediment core, Antarctic Peninsula 

    Barnard, Alex; Wellner, Julia S.; Anderson, John B. (2014)
    The glacimarine environment of the Antarctic Peninsula region is one of the fastest warming places on Earth today, but details of changes in the recent past remain unknown. Large distances and widespread variability separate ...
  • A community-based geological reconstruction of Antarctic Ice Sheet deglaciation since the Last Glacial Maximum 

    The RAISED Consortium; Bentley, Michael J.; Ó Cofaigh, Colm; Anderson, John B.; Conway, Howard; Davies, Bethan; Graham, Alastair G.C.; Hillenbrand, Claus-Dieter; Hodgson, Dominic A.; Jamieson, Stewart S.R.; Larter, Robert D.; Mackintosh, Andrew; Smith, James A.; Verleyen, Elie; Ackert, Robert P.; Bart, Philip J.; Berg, Sonja; Brunstein, Daniel; Canals, Miquel; Colhoun, Eric A.; Crosta, Xavier; Dickens, William A.; Domack, Eugene; Dowdeswell, Julian A.; Dunbar, Robert; Ehrmann, Werner; Evans, Jeffrey; Favier, Vincent; Fink, David; Fogwill, Christopher J.; Glasser, Neil F.; Gohl, Karsten; Golledge, Nicholas R.; Goodwin, Ian; Gore, Damian B.; Greenwood, Sarah L.; Hall, Brenda L.; Hall, Kevin; Hedding, David W.; Hein, Andrew S.; Hocking, Emma P.; Jakobsson, Martin; Johnson, Joanne S.; Jomelli, Vincent; Jones, R. Selwyn; Klages, Johann P.; Kristoffersen, Yngve; Kuhn, Gerhard; Leventer, Amy; Licht, Kathy; Lilly, Katherine; Lindow, Julia; Livingstone, Stephen J.; Massé, Guillaume; McGlone, Matt S.; McKay, Robert M.; Melles, Martin; Miura, Hideki; Mulvaney, Robert; Nel, Werner; Nitsche, Frank O.; O'Brien, Philip E.; Post, Alexandra L.; Roberts, Stephen J.; Saunders, Krystyna M.; Selkirk, Patricia M.; Simms, Alexander R.; Spiegel, Cornelia; Stolldorf, Travis D.; Sugden, David E.; van der Putten, Nathalie; van Ommen, Tas; Verfaillie, Deborah; Vyverman, Wim; Wagner, Bernd; White, Duanne A.; Witus, Alexandra E.; Zwartz, Dan (2014)
    A robust understanding of Antarctic Ice Sheet deglacial history since the Last Glacial Maximum is important in order to constrain ice sheet and glacial-isostatic adjustment models, and to explore the forcing mechanisms ...
  • Assessing offsets between the δ13C of sedimentary components and the global exogenic carbon pool across early Paleogene carbon cycle perturbations 

    Sluijs, Appy; Dickens, Gerald R. (2012)
    [1] Negative stable carbon isotope excursions (CIEs) across the Paleocene–Eocene thermal maximum (PETM; ~56 Ma) range between 2‰ and 7‰, even after discounting sections with truncated records. Individual carbon isotope ...
  • Understanding long-term carbon cycle trends: The late Paleocene through the early Eocene 

    Komar, N.; Zeebe, R.E.; Dickens, G.R. (2013)
    [1] The late Paleocene to the early Eocene (~58–52 Ma) was marked by significant changes in global climate and carbon cycling. The evidence for these changes includes stable isotope records that reveal prominent decreases ...
  • Reconstruction of ice-sheet changes in the Antarctic Peninsula since the Last Glacial Maximum 

    Ó Cofaigh, Colm; Davies, Bethan J.; Livingstone, Stephen J.; Smith, James A.; Johnson, Joanne S.; Hocking, Emma P.; Hodgson, Dominic A.; Anderson, John B.; Bentley, Michael J.; Canals, Miquel; Domack, Eugene; Dowdeswell, Julian A.; Evans, Jeffrey; Glasser, Neil F.; Hillenbrand, Claus-Dieter; Larter, Robert D.; Roberts, Stephen J.; Simms, Alexander R. (2014)
    This paper compiles and reviews marine and terrestrial data constraining the dimensions and configuration of the Antarctic Peninsula Ice Sheet (APIS) from the Last Glacial Maximum (LGM) through deglaciation to the present ...
  • Size, shape and spatial arrangement of mega-scale glacial lineations from a large and diverse dataset 

    Spagnolo, Matteo; Clark, Chris D.; Ely, Jeremy C.; Stokes, Chris R.; Anderson, John B.; Andreassen, Karin; Graham, Alastair G.C.; King, Edward C. (2014)
    Mega-scale glacial lineations (MSGLs) are a characteristic landform on ice stream beds. Solving the puzzle of their formation is key to understanding how ice interacts with its bed and how this, in turn, influences the ...
  • Reconstruction of changes in the Amundsen Sea and Bellingshausen Sea sector of the West Antarctic Ice Sheet since the Last Glacial Maximum 

    Larter, Robert D.; Anderson, John B.; Graham, Alastair G.C.; Gohl, Karsten; Hillenbrand, Claus-Dieter; Jakobsson, Martin; Johnson, Joanne S.; Kuhn, Gerhard; Nitsche, Frank O.; Smith, James A.; Witus, Alexandra E.; Bentley, Michael J.; Dowdeswell, Julian (2014)
    Marine and terrestrial geological and marine geophysical data that constrain deglaciation since the Last Glacial Maximum (LGM) of the sector of the West Antarctic Ice Sheet (WAIS) draining into the Amundsen Sea and ...
  • Reconstruction of changes in the Weddell Sea sector of the Antarctic Ice Sheet since the Last Glacial Maximum 

    Hillenbrand, Claus-Dieter; Bentley, Michael J.; Stolldorf, Travis D.; Hein, Andrew S.; Kuhn, Gerhard; Graham, Alastair G.C.; Fogwill, Christopher J.; Kristoffersen, Yngve; Smith, James A.; Anderson, John B.; Larter, Robert D.; Melles, Martin; Hodgson, Dom (2014)
    The Weddell Sea sector is one of the main formation sites for Antarctic Bottom Water and an outlet for about one fifth of Antarctica's continental ice volume. Over the last few decades, studies on glacial–geological records ...
  • Modern rates of glacial sediment accumulation along a 15° S-N transect in fjords from the Antarctic Peninsula to southern Chile 

    Boldt, Katherine V.; Nittrouer, Charles A.; Hallet, Bernard; Koppes, Michele N.; Forrest, Brittany K.; Wellner, Julia S.; Anderson, John B. (2013)
    [1] Rates of glacial erosion in temperate climates rank among the highest worldwide, and the sedimentary products of such erosion record climatic and tectonic signals in many glaciated settings, as well as temporal changes ...
  • Rare calcareous microfossils from Middle Miocene strata, Weddell Sea off Antarctic Peninsula 

    Majewski, Wojciech; Olempska, Ewa; Kaim, Andrzej; Anderson, John B. (2012)
    The calcareousmicrofossil assemblage from Middle Miocene strata of SHALDRIL Site NBP0602A−5D consists of benthic foraminifera, ostracods, bivalves, and gastropods, and is interpreted as shallow−water. It appears to be ...
  • Effects of crystal shape- and size-modality on magma rheology 

    Moitra, P.; Gonnermann, H.M. (2015)
    Erupting magma often contains crystals over a wide range of sizes and shapes, potentially affecting magma viscosity over many orders of magnitude. A robust relation between viscosity and the modality of crystal sizes and ...
  • Magma flow between summit and Pu‘u ‘ Ō ‘ō at Kīlauea Volcano, Hawai‘i 

    Montagna, C.P.; Gonnermann, H.M. (2013)
    [1] Volcanic eruptions are often accompanied by spatiotemporal migration of ground deformation, a consequence of pressure changes within magma reservoirs and pathways. We modeled the propagation of pressure variations ...
  • Film drainage and the lifetime of bubbles 

    Nguyen, C.T.; Gonnermann, H.M.; Chen, Y. (2013)
    [1] We present the results of new laboratory experiments that provide constraints on inter bubble film thinning and bubble coalescence as a consequence of liquid expulsion by gravitational and capillary forces. To ensure ...
  • A new bubble dynamics model to study bubble growth, deformation, and coalescence 

    Huber, C.; Su, Y.; Nguyen, C.T.; Parmigiani, A.; Gonnermann, H.M.; Dufek, J. (2014)
    We propose a new bubble dynamics model to study the evolution of a suspension of bubbles over a wide range of vesicularity, and that accounts for hydrodynamical interactions between bubbles while they grow, deform under ...
  • Velocity structure of the uppermost mantle beneath East Asia from Pn tomography and its dynamic implications 

    Wang, Suyun; Niu, Fenglin; Zhang, Guomin (2013)
    [1] East Asia is one of the most tectonically active regions on Earth's surface due to the collision from the India plate and the suctions induced by the subduction of the Pacific and Philippine plates. To better understand ...
  • The role of magmatically driven lithospheric thickening on arc front migration 

    Karlstrom, L.; Lee, C.-T. A.; Manga, M. (2014)
    Volcanic activity at convergent plate margins is localized along lineaments of active volcanoes that focus rising magma generated within the mantle below. In many arcs worldwide, particularly continental arcs, the volcanic ...

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