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| exp_design:lig127 [2016/07/22 15:41]  – Added an intro panel with contacts at the top jypeter | exp_design:lig127 [2020/04/07 14:38] (current)  – [Associated publication] Added link to supplement jypeter | 
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| ===== Associated publication ===== | ===== Associated publication ===== | 
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| Otto-Bliesner et al, in prep  | **The PMIP4 contribution to CMIP6 – Part 2: Two interglacials, scientific objective and experimental design for Holocene and Last Interglacial simulations**, Otto-Bliesner, B. L., Braconnot, P., Harrison, S. P., Lunt, D. J., Abe-Ouchi, A., Albani, S., Bartlein, P. J., Capron, E., Carlson, A. E., Dutton, A., Fischer, H., Goelzer, H., Govin, A., Haywood, A., Joos, F., LeGrande, A. N., Lipscomb, W. H., Lohmann, G., Mahowald, N., Nehrbass-Ahles, C., Pausata, F. S. R., Peterschmitt, J.-Y., Phipps, S. J., Renssen, H., and Zhang, Q., Geosci. Model Dev., 10, 3979-4003, [[https://doi.org/10.5194/gmd-10-3979-2017|doi:10.5194/gmd-10-3979-2017]], 2017.\\ \\ [[https://www.geosci-model-dev.net/10/3979/2017/gmd-10-3979-2017-supplement.zip|Supplement (Otto-Bliesner et al, GMD, 2017)]] | 
| ===== Specifications ===== | ===== Specifications ===== | 
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| | PMIP4-CMIP6 name | <wrap em>lig127k</wrap> | | | PMIP4-CMIP6 name | <wrap em>lig127k</wrap> | | 
| | Astronomical parameters  | **eccentricity** = 0.039378 \\ **obliquity** = 24.04° \\  **perihelion-180°** = 275.41°  \\  **Date of vernal equinox**  :  March 21 at noon  |   | | Astronomical parameters  | **eccentricity** = 0.039378 \\ **obliquity** = 24.04° \\  **perihelion-180°** = 275.41°  \\  **Date of vernal equinox**  :  March 21 at noon  |   | 
| | Trace gases  | **CO<sub>2</sub>** = 287 ppm \\ **CH<sub>4</sub>** = 724 ppb \\ **N<sub>2</sub>O** = 262 ppb \\ **CFC** = 0 \\ **O<sub>3</sub>** = same as in CMIP6 piControl  |   | | Trace gases  | **CO<sub>2</sub>** = 275 ppm \\ **CH<sub>4</sub>** = 685 ppb \\ **N<sub>2</sub>O** = 255 ppb \\ **CFC** = 0 \\ **O<sub>3</sub>** = same as in CMIP6 piControl  |   | 
| | Solar activity | Same as in CMIP6 piControl  |  | | Solar activity | Same as in CMIP6 piControl (TSI = 1360.747 W.m-2)  |  | 
| | Ice sheets      | Same as in CMIP6 piControl  |  | | Ice sheets      | Same as in CMIP6 piControl  |  | 
| | Topography and coastlines  | Same as in CMIP6 piControl  |  | | Topography and coastlines  | Same as in CMIP6 piControl  |  | 
| | Aerosols  | Modified sources, atmospheric concentrations or radiative forcing, depending on model complexity and model configuration used for DECK and historical experiments \\  cf. documenting papers: Otto-Bliesner et al, in prep and Kageyama et al, subm. \\ [[:data:aerosols|Access to data]]|  | | Aerosols  | Modified sources, atmospheric concentrations or radiative forcing, depending on model complexity and model configuration used for DECK and historical experiments \\  cf. documenting papers: Otto-Bliesner et al, in prep and Kageyama et al, subm. \\ [[:data:aerosols|Access to data]]|  | 
| | Vegetation     | Depending on model complexity and model configuration used for DECK and historical experiments: \\ Interactive vegetation **or** Interactive carbon cycle (LAI) **or** Prescribed to present-day values or lig127k values computed from off-line vegetation model \\ The methodology to represent vegetation should be the same as for the CMIP6 piControl simulation  \\  cf. documenting papers: Otto-Bliesner et al, in prep and Kageyama et al, subm. | | | Vegetation     | Depending on model complexity and model configuration used for DECK and historical experiments: \\ Interactive vegetation **or** Interactive carbon cycle (LAI) **or** Prescribed to present-day values or lig127k values computed from off-line vegetation model \\ The methodology to represent vegetation should be the same as for the CMIP6 piControl simulation  \\  cf. documenting papers: Otto-Bliesner et al, in prep and Kageyama et al, subm. | | 
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|   | ===== Collaboration ===== | 
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|   |   * The PMIP4-CMIP6 **lig127k** simulation is being coordinated with [[http://www.climate-cryosphere.org/activities/targeted/ismip6|ISMIP6]]. The output from the lig127k simulation will be used by ISMIP6 to force standalone ice sheet experiments (//lastInterglacialforcedism//). This will increase our understanding of the sensitivity of the ice sheets, complementing the suite of standalone ISMIP6 ice sheet experiments. | 
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|   |   * The PMIP4-CMIP6 **midHolocene** and **lig127k** simulations are also expected to be relevant to analyses in [[http://www.climate-cryosphere.org/activities/groups/seaicemodeling/simip|SIMIP]]’s assessment of the role of sea-ice changes in climate changes and [[https://cmip.ucar.edu/aer-chem-mip|AerChemMIP]]’s assessment of the role of dust | 
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|   | ===== Sensitivity experiments ===== | 
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|   | ==== Sensitivity to Prescribed Vegetation ==== | 
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|   | ==== Sensitivity to Prescribed Ice Sheets ==== | 
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|   | ==== Simulation to explore the effects of the H11 event ==== | 
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