ISTITUTO NAZIONALE DI OCEANOGRAFIA E DI GEOFISICA SPERIMENTALE Trieste, 19-23 May, 2014 ISTITUTO NAZIONALE DI OCEANOGRAFIA E DI GEOFISICA SPERIMENTALE Proceedings of the II PAST Gateways International Conference and Workshop Trieste, May 19-23, 2014 Editors: Renata G. Lucchi (OGS, Trieste) Colm O’Cofaigh (University of Durham) Michele Rebesco (OGS, Trieste) Carlo Barbante (CNR-IDPA Venice and University of Venice) Layout and cover photo: Renata G. Lucchi Organizers: Renata G. Lucchi (OGS, Trieste) Colm O’Cofaigh (University of Durham, PAST Gateways chairman) Michele Rebesco (OGS, Trieste) Michele Zennaro (OGS, Trieste) Franca Petronio (OGS, Trieste) Ivana Apigalli (OGS, Trieste) Paolo Giurco (OGS, Trieste) Field excursions: Roberto Colucci (CNR-ISMAR Trieste) Giovanni Monegato (CNR-IGG, Turin) Monika Dragosics (University of Island) PAST Gateways Steering Committee O'Cofaigh, C. (chairman); Alexanderson, H.; Andresen, C.; Bjarnadottir, L.; Briner, J.; de Vernal, A.; Fedorov, G.; Henriksen, M.; Kirchner, N.; Lucchi, R.G.; Meyer, H.; Noormets, R.; Strand, K.; and Urgeles, R. ISBN 978-88-902101-4-3 Conference and Workshop 2014 sponsored by: International Arctic Science Committee (IASC) through ICERP III action OGS (Istituto Nazionale di Oceanografia e di Geofisica Sperimentale) Kongsberg Maritime S.r.l. The second PAST-Gateways Conference, Trieste, Italy, 2014 Table of Contents Scientific program .................................................................................................................................... 5 List of participants .................................................................................................................................. 8 Excursion Guide • Monegato, G.: Dynamics of Tagliamento ice tongue and cirque glaciers of the Julian Prealps during the LGM. ............................................................................................................... 11 • Colucci, R.R.: Current evidence of glaciation in the Julian Alps. ............................................... 15 • Dragosics, M.: The Pasterze Glacier (Austrian Alps). ................................................................. 18 ABSTRACTS Growth and decay of Arctic Ice Sheets • Briner, J.P, Cronauer, S.L., Schweinsberg, A., Miller, G.H., Bennike, O.: Contrasting history between local glaciers and the Greenland Ice Sheet during the Holocene: Emerging results from western Greenland. .................................................................................................... 28 • Funder, S. and Kjellerup Kjeldsen, K.: The last decay of the Greenland ice sheet – the contribution from exposure dating. ................................................................................................ 29 • Hormes, A., Kivilä, H., Bakke, J., Baum, K., Debret, M., Luoto, T.: Preliminary temperature reconstructions from Bjørnøya, Svalbard. ................................................................. 29 • Hughes, A.L.C., Gyllencreutz, R., Mangerud, J., Svendsen, J.I., Lohne, Ø.S.: The last Eurasian Ice Sheets: a chronological database and time-slice reconstruction. .............................. 30 • Hanebuth, T.J.J., Rebesco, M., Urgeles, R., Lucchi, R.G., Freudenthal, T., and the scientific party of CORIBAR: Challenges and progress in drilling offshore buried glacigenic deposits. ........................................................................................................................ 31 • Ingólfsson, Ó. and Jakobsson, M.: APEX Legacy and the Dynamic Arctic .............................. 32 • Kaparulina, E., Strand, K., Lunkka, J.P., Immonen, N., Löwemark, L, Jakobsson, M.: Detection of the mineralogical indicators for decay of the late Pleistocene Eurasian Arctic ice sheets. ....................................................................................................................................... 32 • Kaufman, D.S. and McKay, N.P.: A new Arctic Holocene proxy climate database – Principal millennial-scale patterns. ................................................................................................ 33 • Kirchner, N., Ahlkrona, J., and Noormets, R.: Capabilities and limitations of ice sheet models revisited – A Svalbard case study...................................................................................... 34 • Lea, J.M., Mair, D.W.F., Faezeh M.N., Rea, B.R., van As, D., Kjær, K., Morlighem, M., Nienow, P.W., Weidick, A.: 140 years of fluctuations at a major Greenlandic tidewater glacier driven by changes in air temperature: insights from observations and modelling........................................................................................................................................ 35 • Niessen, F., Kuk Hong, J., Hegewald, A., Matthiessen, J., Stein, R., Kim, S., Jensen, L., Jokat, W., Seung-Il: Seismic evidence of a Pleistocene glaciated continental margin off Beringia in the western Arctic Oceanitle.................................................................................. 36 • Norddahl, H. and Igólfsson, Ó.: Glacio-isostasy and ice sheet collapse in Western Iceland. ..... 37 • O’Cofaigh, C., Hogan, K.A., Dowdeswell, J.A., Jennings, A.E., Noormets, R., Evans, J.: Glacially-influenced submarine fans on the Greenland continental margin bordering Baffin Bay. ..................................................................................................................................... 37 • Praeg, D., McCarron, S., Dove, D., Accettella, D., Cova, A., Facchin, L., Romeo, R.: Meltwater drainage and the southern limits of glaciation on the European margin. ..................... 38 • Rebesco M., Laberg J.S., Pedrosa M.T., Camerlenghi A., Lucchi R.G., Zgur F., Wardell N.: Onset and growth of Trough-Mouth Fans on the North-Western Barents Sea margin – implications for the evolution of the Barents Sea/Svalbard Ice Sheet............................ 39 1 The second PAST-Gateways Conference, Trieste, Italy, 2014 • Sejrup, H.P.: Impact and stability of marine based ice sheets: evidence from the northern North Sea........................................................................................................................................ 40 • Stokes, C.R., Corner, G.D., Winsborrow, M.C.M., Husum, K., Andreassen, K.: Asynchronous response of marine terminating outlet glaciers during deglaciation of the Fennoscandian Ice Sheet. ............................................................................................................. 40 • Streuff, K., Andreassen, K., Forwick, M., Szczuciński, W.: Landform assemblages in Inner Kongsfjorden, Svalbard: Evidence of recent glacial (surge) activity. .................................. 41 Arctic sea-ice and ocean changes • de Vernal, A.: Contrasted climatic trends in the Atlantic vs. Pacific sectors of the Arctic Ocean during the Holocene............................................................................................................ 42 • Hillaire-Marcel, C., de Vernal, A., Ouellet-Bernier, M-C., Gibb, O.: The final drainage of Lake Agassiz (Ojibway) ~ 8.3 ka ago and its impacts on the North Atlantic climate/ocean system: facts and hypothesis................................................................................... 42 • Lloyd, J., Moros, M., Krawczyk, D., Schneider, R., Blanz, T. : Holocene palaeoceanographic evolution of Disko Bay, West Greenland, from surface and subsurface proxies. .......................................................................................................................................... 43 • Miles, M.: Constraining Holocene changes and effects of the Earth’s largest ice and freshwater pathway. ....................................................................................................................... 44 • Müller, J. and Stein, R.: From full glacial to current interglacial conditions: A high- resolution record of sea ice variability in Fram Strait.................................................................... 45 • Polyak, L.: Quaternary Arctic sea-ice changes: a microfaunal perspective.................................. 46 • Spielhagen, R.F., Nørgaard-Pedersen, N., Telesinksi, M.: Arctic Ocean meltwater outflow as a trigger for the Younger Dryas event – a review of available evidence from sediment cores................................................................................................................................ 47 • Stärz, M., Lohmann, G., Knorr, G., Jokat, W.: The evolution of Miocene ocean circulation controlled by the Greenland-Scotland Ridge. .............................................................. 48 • Werner, K., Marchitto, T.M., Not, C., Hass, H.C., Spielhagen, R.F., Husum, K.: Core- top versus Holocene samples from the Fram Strait and the Nordic Seas: Restrictions in Mg/Ca-paleotemperature estimations in high-latitude bottom waters. .......................................... 48 Non-glaciated Arctic environments including permafrost change • Bauch, H.A.: Peat growth in the Lena Delta and its relation to late Holocene climate change in the Arctic. ..................................................................................................................... 49 • Bennike, O. and Wagner, B.: Holocene environmental changes in the Skallingen area, eastern North Greenland, based on a lacustrine record.................................................................. 50 • Fedorov, G., Melles, M., Krastel, S., Subetto, D.S., Savelieva, L.A., Andreev, A., Wagner, B., and Belkina, N.: Lake