Results of PMIP2 coupled simulations of the Mid-Holocene and Last Glacial Maximum - Part 1: experiments and large-scale features

Abstract. A set of coupled ocean-atmosphere simulations using state of the art climate models is now available for the Last Glacial Maximum and the Mid-Holocene through the second phase of the Paleoclimate Modeling Intercomparison Project (PMIP2). This study presents the large-scale features of the simulated climates and compares the new model results to those of the atmospheric models from the first phase of the PMIP, for which sea surface temperature was prescribed or computed using simple slab ocean formulations. We consider the large-scale features of the climate change, pointing out some of the major differences between the different sets of experiments. We show in particular that systematic differences between PMIP1 and PMIP2 simulations are due to the interactive ocean, such as the amplification of the African monsoon at the Mid-Holocene or the change in precipitation in mid-latitudes at the LGM. Also the PMIP2 simulations are in general in better agreement with data than PMIP1 simulations.

[1]  I. James.  ON DEPRESSION , 1961, The Medical journal of Australia.

[2]  André Berger,et al.  Long-Term Variations of Caloric Insolation Resulting from the Earth's Orbital Elements , 1978, Quaternary Research.

[3]  A. Mcintyre,et al.  Seasonal reconstructions of the earth's surface at the last glacial maximum , 1981 .

[4]  D. Rind,et al.  Terrestrial Conditions at the Last Glacial Maximum and CLIMAP Sea-Surface Temperature Estimates: Are They Consistent? , 1985, Quaternary Research.

[5]  W. Peltier,et al.  Ice Age Paleotopography , 1994, Science.

[6]  A. Broccoli,et al.  Comparing simulated glacial climate and paleodata , 1996 .

[7]  A. Broccoli,et al.  Comparing simulated glacial climate and paleodata: A reexamination , 1996 .

[8]  J. Kutzbach,et al.  Response of the African Monsoon to Orbital Forcing and Ocean Feedbacks in the Middle Holocene , 1997 .

[9]  Pascale Braconnot,et al.  Sensitivity of paleoclimate simulation results to season definitions , 1997 .

[10]  A. Rosell‐Melé.  Project takes a new look at past sea surface temperatures , 1998 .

[11]  Petoukhov,et al.  The influence of vegetation-atmosphere-ocean interaction on climate during the mid-holocene , 1998, Science.

[12]  A. Weaver,et al.  Simulated influence of carbon dioxide, orbital forcing and ice sheets on the climate of the Last Glacial Maximum , 1998, Nature.

[13]  N. Noblet,et al.  Synergistic feedbacks from ocean and vegetation on the African Monsoon response to Mid‐Holocene insolation , 1999 .

[14]  Paul J. Valdes,et al.  Northern Hemisphere Storm Tracks in Present Day and Last Glacial Maximum Climate Simulations: A Comparison of the European PMIP Models* , 1999 .

[15]  G. Ramstein,et al.  Tropical paleoclimates at the Last Glacial Maximum: comparison of Paleoclimate Modeling Intercomparison Project (PMIP) simulations and paleodata , 1999 .

[16]  D. Jolly,et al.  Tropical climates at the Last Glacial Maximum: a new synthesis of terrestrial palaeoclimate data. I. Vegetation, lake-levels and geochemistry , 1999 .

[17]  Sandy P. Harrison,et al.  Monsoon changes for 6000 years ago: Results of 18 simulations from the Paleoclimate Modeling Intercomparison Project (PMIP) , 1999 .

[18]  John F. B. Mitchell,et al.  The simulation of SST, sea ice extents and ocean heat transports in a version of the Hadley Centre coupled model without flux adjustments , 2000 .

[19]  S. Harrison.  Palaeovironmental data sets and model evaluation in PMIP , 2000 .

[20]  P. Braconnot,et al.  Ocean Feedback in Response to 6 kyr BP Insolation , 2000 .

[21]  John Anderson,et al.  Computational Design and Performance of the Fast Ocean Atmosphere Model, Version One , 2001, International Conference on Computational Science.

[22]  Xuehong Zhang,et al.  A flexible coupled ocean-atmosphere general circulation model , 2002 .

[23]  J. Houghton,et al.  Climate change 2001 : the scientific basis , 2001 .

[24]  M. Loutre,et al.  How the simulated change in monsoon at 6 ka BP is related to the simulation of the modern climate: results from the Paleoclimate Modeling Intercomparison Project , 2002 .

[25]  R. Stouffer,et al.  Comparison of palaeoclimate simulations enhances confidence in models , 2002 .

[26]  Mojib Latif,et al.  Formation and propagation of great salinity anomalies , 2003 .

[27]  Luca Bonaventura,et al.  The atmospheric general circulation model ECHAM 5. PART I: Model description , 2003 .

[28]  Mojib Latif,et al.  The Max-Planck-Institute global ocean/sea ice model with orthogonal curvilinear coordinates , 2003 .

[29]  W. Peltier.  GLOBAL GLACIAL ISOSTASY AND THE SURFACE OF THE ICE-AGE EARTH: The ICE-5G (VM2) Model and GRACE , 2004 .

[30]  P. Braconnot,et al.  Synergistic feedbacks between ocean and vegetation on mid- and high-latitude climates during the mid-Holocene , 2004 .

[31]  Yu Yongqiang,et al.  Global coupled ocean-atmosphere general circulation models in LASG/IAP , 2004 .

[32]  J. Kutzbach,et al.  Global monsoons in the mid-Holocene and oceanic feedback , 2004 .

[33]  J. Kutzbach,et al.  Evaluation of PMIP coupled ocean-atmosphere simulations of the Mid-Holocene , 2004 .

[34]  M. Kageyama,et al.  The depression of tropical snowlines at the last glacial maximum: What can we learn from climate model experiments? , 2005 .

[35]  S. Weber,et al.  The Atlantic freshwater budget as a diagnostic for the existence of a stable shut down of the meridional overturning circulation , 2005 .

[36]  M. Lavine,et al.  Meta‐analysis of tropical surface temperatures during the Last Glacial Maximum , 2005 .

[37]  C. Hewitt,et al.  A multi-model analysis of the role of the ocean on the African and Indian monsoon during the mid-Holocene , 2005 .

[38]  Timothy T. Barrows,et al.  Reconstruction of sea-surface temperatures from assemblages of planktonic foraminifera: multi-technique approach based on geographically constrained calibration data sets and its application to glacial Atlantic and Pacific Oceans , 2005 .

[39]  Victor Brovkin,et al.  Simulating the Holocene climate evolution at northern high latitudes using a coupled atmosphere-sea ice-ocean-vegetation model , 2005 .

[40]  Kiyotaka Shibata,et al.  Present-day climate and climate sensitivity in the meteorological research institute coupled GCM version 2.3 (MRI-CGCM2.3) , 2006 .

[41]  S. Levis,et al.  Last Glacial Maximum and Holocene Climate in CCSM3 , 2006 .

[42]  Pierre Friedlingstein,et al.  The new IPSL climate system model: IPSL-CM4 , 2006 .

[43]  E. Zorita,et al.  Progress in Paleoclimate Modeling , 2006 .

[44]  Michel Crucifix,et al.  Does the Last Glacial Maximum constrain climate sensitivity? , 2006 .

[45]  E. Guilyardi,et al.  Past and future polar amplification of climate change: climate model intercomparisons and ice-core constraints , 2006 .

[46]  W. Peltier,et al.  The modern and glacial overturning circulation in the Atlantic ocean in PMIP coupled model simulations , 2006 .

[47]  A. Lainea,et al.  Last Glacial Maximum temperatures over the North Atlantic , Europe and western Siberia : a comparison between PMIP models , MARGO sea – surface temperatures and pollen-based reconstructions , 2006 .

[48]  A. Abe‐Ouchi,et al.  The LGM surface climate and atmospheric circulation over East Asia and the North Pacific in the PMIP2 coupled model simulations , 2007 .

[49]  T. Fichefet,et al.  Results of PMIP2 coupled simulations of the Mid-Holocene and Last Glacial Maximum – Part 2: feedbacks with emphasis on the location of the ITCZ and mid- and high latitudes heat budget , 2007 .

[50]  P. Yiou,et al.  Simulated changes in the relationship between tropical ocean temperatures and the western African monsoon during the mid-Holocene , 2007 .