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Modeling Northern Hemisphere ice-sheet distribution during MIS 5 and MIS 7 glacial inceptions
Author(s)
Language
English
Obiettivo Specifico
4A. Clima e Oceani
Status
Published
JCR Journal
JCR Journal
Peer review journal
Yes
Title of the book
Issue/vol(year)
/10 (2014)
ISSN
1814-9324
Electronic ISSN
1814-9332
Publisher
Copernicus Publications on behalf of the European Geosciences Union
Pages (printed)
269–291
Issued date
February 7, 2014
Last version
http://www.clim-past.net/10/269/2014/cp-10-269-2014.pdf
Abstract
The present manuscript compares Marine Iso- tope Stage 5 (MIS 5, 125–115 kyr BP) and MIS 7 (236– 229 kyr BP) with the aim to investigate the origin of the difference in ice-sheet growth over the Northern Hemi- sphere high latitudes between these last two inceptions. Our approach combines a low resolution coupled atmosphere– ocean–sea-ice general circulation model and a 3-D thermo- mechanical ice-sheet model to simulate the state of the ice sheets associated with the inception climate states of MIS 5 and MIS 7. Our results show that external forcing (orbitals and GHG) and sea-ice albedo feedbacks are the main fac- tors responsible for the difference in the land-ice initial state between MIS 5 and MIS 7 and that our cold climate model bias impacts more during a cold inception, such as MIS 7, than during a warm inception, such as MIS 5. In addition, if proper ice-elevation and albedo feedbacks are not taken into consideration, the evolution towards glacial inception is hardly simulated, especially for MIS 7. Finally, results high- light that while simulated ice volumes for MIS 5 glacial in- ception almost fit with paleo-reconstructions, the lack of pre- cipitation over high latitudes, identified as a bias of our cli- mate model, does not allow for a proper simulation of MIS 7 glacial inception.
Sponsors
Italian Ministry of Education, University and Research and Ministry for Environment, Land and Sea through the project GEMINA.
References
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Kageyama, M., Charbit, S., Ritz, C., Khodri, M., and Ramstein, G.: Quantifying ice-sheet feedbacks during the last glacial inception, Geophys. Res. Lett., 31, L24203, doi:10.1029/2004GL021339, 2004.
Adler, R., Huffman, G., Chang, A., Ferraro, R., Xie, P., Janowiak, J., Rudolf, B., Schneider, U., Curtis, S., Bolvin, D., Gruber, A., Susskind, J., and Arkin, P.: The Version 2 Global Precipita- tion Climatology Project (GPCP) Monthly Precipitation Analysis (1979–Present), J. Hydrometeorol., 4, 1147–1167, 2003.
Álvarez-Solas, J., Montoya, M., Ritz, C., Ramstein, G., Charbit, S., Dumas, C., Nisancioglu, K., Dokken, T., and Ganopolski, A.: Heinrich event 1: an example of dynamical ice-sheet reaction to oceanic changes, Clim. Past, 7, 1297–1306, doi:10.5194/cp- 7-1297-2011, 2011.
Berger, A. L.: Long-term variations of daily insolation and quater- nary climatic changes, J. Atmos. Sci., 35, 2362–2367, 1978.
Bintanja, R., van de Wal, R. S., and Oerlemans, J.: Modelled atmo- spheric temperatures and global sea levels over the past million years, Nature, 437, 126–128, 2005.
Bonelli, S., Charbit, S., Kageyama, M., Woillez, M.-N., Ramstein, G., Dumas, C., and Quiquet, A.: Investigating the evolution of major Northern Hemisphere ice sheets during the last glacial- interglacial cycle, Clim. Past, 5, 329–345, doi:10.5194/cp-5-329- 2009, 2009.
Born, A., Kageyama, M., and Nisancioglu, K. H.: Warm Nordic Seas delayed glacial inception in Scandinavia, Clim. Past, 6, 817–826, doi:10.5194/cp-6-817-2010, 2010.
Calov, R. and Marsiat, I.: Simulations of the Northern Hemisphere through the last glacial-interglacial cycle with a vertically in- tegrated and a three-dimensional thermomechanical ice sheet model coupled to a climate model, Ann. Glaciol., 27, 169–176, 1998.
Calov, R., Ganopolsi, A., Petoukhov, V., Claussen, M., Brovkin, V., and Kutbatzki, C.: Transient simulation of the last glacial incep- tion, Part II: sensitivity and feedback analysis, Clim. Dynam., 24, 563–576, 2005a.
Calov, R., Ganopolski, A., Claussen, M., Petoukhov, V., and Greve, R.: Transient simulation of the last glacial inception, Part I: glacial inception as a bifurcation in the climate system, Clim. Dynam., 24, 545–561, 2005b.
Caputo, R.: Sea-level curves: perplexities of an end-user in morpho- tectonic applications, Global Planet. Change, 57, 417–423, 2007. Charbit, S., Ritz, C., and Ramstein, G.: Simulations of Northern Hemisphere ice-sheet retreat: sensitivity to physical mechanisms involved during the Last Deglaciation, Quaternary Sci. Rev., 21,
245–263, 2002.
Charbit, S., Ritz, C., Philippon, G., Peyaud, V., and Kageyama,
M.: Numerical reconstructions of the Northern Hemisphere ice sheets through the last glacial-interglacial cycle, Clim. Past, 3, 15–37, doi:10.5194/cp-3-15-2007, 2007.
Colleoni, F., Krinner, G., and Jakobsson, M.: Sensitivity of the Late Saalian (140 kyrs BP) and LGM (21 kyrs BP) Eurasian ice sheet surface mass balance to vegetation feedbacks, Geophys. Res. Lett., 36, L08704, doi:10.1029/2009GL037200, 2009a.
Colleoni, F., Krinner, G., Jakobsson, M., Peyaud, V., and Ritz, C.: Influence of regional factors on the surface mass balance of the large Eurasian ice sheet during the peak Saalian (140 kyrs BP), Global Planet. Change, 68, 132–148, 2009b.de Noblet, N., Prentice, I. C., Jousseaume, S., Texier, D., Botta, A., and Haxeltine, A.: Possible role of atmosphere-biosphere inter- actions in triggering the last deglaciation, Geophys. Res. Lett., 23, 3191–3194, 1996.
Dong, B. and Valdes, P.: Sensitivity studies of Northern Hemisphere glaciation using an atmospheric general circulation model, J. Cli- mate, 8, 2471–2496, 1995.
Dutton, A., Bard, E., Antonioli, F., Esat, T., Lambeck, K., and Mc- Culloch, M.: Phasing and amplitude of sea-level and climate change during the penultimate interglacial, Nat. Geosci., 2, 355– 359, 2009.
Ganopolski, A. and Calov, R.: Simulation of glacial cycles with an Earth system model, in: Climate Change, Springer, Vienna, 49– 55, 2012.
Ganopolski, A., Calov, R., and Claussen, M.: Simulation of the last glacial cycle with a coupled climate ice-sheet model of interme- diate complexity, Clim. Past, 6, 229–244, doi:10.5194/cp-6-229- 2010, 2010.
Gent, P. R., Danabasoglu, G., Donner, L. J., Holland, M. M., Hunke, E. C., Jayne, S. R., Lawrence, D. M., Neale, R. B., Rasch, P. J., Vertenstein, M., Worley, P. H., Yang, Z.-L., and Zhang, M.: The Community Climate System Model Version 4, J. Climate, 24, 4973–4991, 2011.
Gregory, J. M., Browne, O. J. H., Payne, A. J., Ridley, J. K., and Rutt, I. C.: Modelling large-scale ice-sheet–climate inter- actions following glacial inception, Clim. Past, 8, 1565–1580, doi:10.5194/cp-8-1565-2012, 2012.
Greve, R.: Relation of measured basal temperatures and the spa- tial distribution of the geothermal heat flux for the Greenland ice sheet, Ann. Glaciol., 42, 424–432, 2005.
Herrington, A. R. and Poulsen, C. J.: Terminating the Last Inter- glacial: The Role of Ice Sheet-Climate Feedbacks in a GCM Asynchronously Coupled to an Ice Sheet Model, J. Climate, 25, 1871–1882, 2012.
Hutter, K.: Theoretical glaciology: material science of ice and the mechanics of glaciers and ice sheets, Reidel Publishing Com- pany, Dordrecht, the Netherlands, 1983.
Jackson, C. and Broccoli, A.: Orbital forcing of Arctic climate: mechanisms of climate response and implications for continental glaciation, Clim. Dynam., 21, 539–557, 2003.
Jochum, M., Jahn, A., Peacock, S., Bailey, D., Fasullo, J., Kay, J., Levis, S., and Otto-Bliesner, B.: True to Milankovitch: Glacial Inception in the new Community Climate System Model, J. Cli- mate, 25, 2226–2239, doi:10.1175/JCLI-D-11-00044.1, 2011.
Jouzel, J., Masson-Delmotte, V., Cattani, O., Dreyfus, G., Falourd, S., Hoffmann, G., Minster, B., Nouet, J., Barnola, J., Chap- pellaz, J., Fischer, H., Gallet, J., Johnsen, S., Leuenberger, M., Loulergue, L., Luethi, D., Oerter, H., Parrenin, F., Raisbeck, G., Raynaud, D., Schilt, A., Schwander, J., Selmo, E., Souchez, R., Spahni, R., Stauffer, B., Steffensen, J., Stenni, B., Stocker, T., Ti- son, J., Werner, M., and Wolff, E.: Orbital and Millennial Antarc- tic Climate Variability over the Past 800,000 Years, Science, 317, 793–797, 2007.
Kageyama, M., Charbit, S., Ritz, C., Khodri, M., and Ramstein, G.: Quantifying ice-sheet feedbacks during the last glacial inception, Geophys. Res. Lett., 31, L24203, doi:10.1029/2004GL021339, 2004.
Description
We gratefully acknowledge the support of Italian Ministry of Education, University and Research and Ministry for Environment, Land and Sea through the project GEMINA. Many thanks go to Peter Kohler for providing data and to Narelle van der Wel for her help with English in this paper.
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