Fischer, Nils; Jungclaus, Johann H (2010): Three time-slice simulations of the Eemian (eem), the mid-Holocene (hol), and a pre-industrial (pri) control run with the coupled atmosphere-ocean-model ECHAM5/MPI-OM [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.757004, Supplement to: Fischer, N; Jungclaus, JH (2010): Effects of orbital forcing on atmosphere and ocean heat transports in Holocene and Eemian climate simulations with a comprehensive Earth system model. Climate of the Past, 6, 155-168, https://doi.org/10.5194/cp-6-155-2010
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Abstract:
Orbital forcing does not only exert direct insolation effects, but also alters climate indirectly through feedback mechanisms that modify atmosphere and ocean dynamics and meridional heat and moisture transfers. We investigate the regional effects of these changes by detailed analysis of atmosphere and ocean circulation and heat transports in a coupled atmosphere-ocean-sea ice-biosphere general circulation model (ECHAM5/JSBACH/MPI-OM). We perform long term quasi equilibrium simulations under pre-industrial, mid-Holocene (6000 years before present – yBP), and Eemian (125 000 yBP) orbital boundary conditions. Compared to pre-industrial climate, Eemian and Holocene temperatures show generally warmer conditions at higher and cooler conditions at lower latitudes. Changes in sea-ice cover, ocean heat transports, and atmospheric circulation patterns lead to pronounced regional heterogeneity. Over Europe, the warming is most pronounced over the north-eastern part in accordance with recent reconstructions for the Holocene. We attribute this warming to enhanced ocean circulation in the Nordic Seas and enhanced ocean-atmosphere heat flux over the Barents Shelf in conduction with retreat of sea ice and intensified winter storm tracks over northern Europe.
Project(s):
Integrierte Analyse zwischeneiszeitlicher Klimadynamik (INTERDYNAMIK)
Funding:
German Research Foundation (DFG), grant/award no. 25575884: Integrierte Analyse zwischeneiszeitlicher Klimadynamik
Parameter(s):
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
100 data points
Data
| 1 File name | 2 Exp | 3 Parameter | 4 Abbrev | 5 Unit | 6 URL model | 7 File size [kByte] | 8 File format |
|---|---|---|---|---|---|---|---|
| eem_atm_ym.nc | atmosphere model ECHAM5, Eem (125 ka), yearly means | evaporation | evspsbl | [kg/m**2/s] | eem_atm_ym.nc | 115 | netCDF |
| large scale precipitation | pr | [kg/m**2/s] | |||||
| mean sea level pressure | psl | [Pa] | |||||
| 2m temperature | tas | [K] | |||||
| 10m u-velocity | uas | [m/s] | |||||
| 10m v-velocity | vas | [m/s] | |||||
| eem_atm_ymm.nc | atmosphere model ECHAM5, Eem (125 ka), monthly means | same as above | eem_atm_ymm.nc | 1300 | netCDF | ||
| hol_atm_ym.nc | atmosphere model ECHAM5, Holocene (6 ka), yearly means | same as above | hol_atm_ym.nc | 115 | netCDF | ||
| hol_atm_ymm.nc | atmosphere model ECHAM5, Holocene (6 ka), monthly means | same as above | hol_atm_ymm.nc | 1300 | netCDF | ||
| pri_atm_ym.nc | atmosphere model ECHAM5, pre-industrial, yearly means | same as above | pri_atm_ym.nc | 115 | netCDF | ||
| pri_atm_ymm.nc | atmosphere model ECHAM5, pre-industrial, monthly means | same as above | pri_atm_ymm.nc | 1300 | netCDF | ||
| eem_ym_mpiom.nc | ocean model MPIOM, Eem (125 ka), yearly means | temperature (surface, 100m, 485m, 960m, 2080m, 3070m, 5170m) | thetao | [°C] | eem_ym_mpiom.nc | 2600 | netCDF |
| sea surface salinity (yearmean only) | sss | [psu] | |||||
| sea ice cover | sic | [frac] | |||||
| sea-ice thickness | sit | [m] | |||||
| eem_ymm_mpiom.nc | ocean model MPIOM, Eem (125 ka), monthly means | same as above | eem_ymm_mpiom.nc | 28000 | netCDF | ||
| hol_ym_mpiom.nc | ocean model MPIOM, Holocene (6 ka), yearly means | same as above | hol_ym_mpiom.nc | 2600 | netCDF | ||
| hol_ymm_mpiom.nc | ocean model MPIOM, Holocene (6 ka), monthly means | same as above | hol_ymm_mpiom.nc | 28000 | netCDF | ||
| pri_ym_mpiom.nc | ocean model MPIOM, pre-industrial, yearly means | same as above | pri_ym_mpiom.nc | 2600 | netCDF | ||
| pri_ymm_mpiom.nc | ocean model MPIOM, pre-industrial, monthly means | same as above | pri_ymm_mpiom.nc | 28000 | netCDF |