exp_design:lig127 [PMIP4]

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====== Design for the last Interglacial (at 127 ky BP) run======

===== Associated publication =====

Otto-Bliesner et al, in prep

===== Specifications =====


^      ^PMIP4-CMIP6 specifications ^ 
| PMIP4-CMIP6 name | <wrap em>lig127k</wrap> |
| Astronomical parameters  | **eccentricity** =  \\ **obliquity** = ° \\  **perihelion-180°** = °  \\  **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  | 
| Solar activity | Same as in CMIP6 piControl  | 
| Ice sheets      | Same as in CMIP6 piControl  | 
| Topography and coastlines  | Same as in CMIP6 piControl  | 
| Volcanic activity | 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]]| 
| 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. |