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| pmip3:design:lm:index [2009/07/10 01:31] – ammann | pmip3:design:lm:index [2009/08/04 14:46] – Added link to GHG evolution table jypeter |
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| ^ ^ PMIP3 ^ Alternative solution ^ | ^ ^ PMIP3 ^ Alternative solution ^ |
| | Orbital parameters | Annually varying (850-1850) | 1850 values or same Pre-Ind CMIP5 control | | | Orbital parameters | Annually varying (850-1850) (Table provided if not internally calculated) | 1850 values or same as Pre-Ind CMIP5 control [ **ecc** = ] - [ **obl** = ° ] - [ **peri-180°** = ° ] | |
| | | Table provided if not internally calculated |[ **ecc** = ] - [ **obl** = ° ] - [ **peri-180°** = ° ] | | | Date of vernal equinox | Mar 21 hr 0 | same as CMIP5 control | |
| | Date of vernal equinox | Mar 21 hr 0 | same as CMIP5 control | | | Trace gases | Annually varying (850-1850) (Table provided) | constant at CMIP5 control levels [ **CO<sub>2</sub>** = ppm ] - [ **CH<sub>4</sub>** = ppb ] - [ **N<sub>2</sub>O** = ppb ] - [ **CFC** = ] - [ **O<sub>3</sub>** = ] | |
| | Trace gases | Annually varying (850-1850) | constant at CMIP5 control levels | | | Volcanic Aerosols | Multiple reconstructions (of AOD, Effective Radius, Mass) | | |
| | | Table provided | [ **CO<sub>2</sub>** = ppm ] - [ **CH<sub>4</sub>** = ppb ] - [ **N<sub>2</sub>O** = ppb ] - [ **CFC** = ] - [ **O<sub>3</sub>** = ] | | |
| | Volcanic Aerosols | Multiple reconstructions (of AOD, Effective Radius, Mass) | | | |
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| | Solar irradiance | Multiple reconstructions (default TBD) | | | | Solar irradiance | Multiple reconstructions (default TBD) | | |
| | Ozone | solar related variations???? | same as pre-Ind control | | | Ozone | solar related variations (parameterised as function of change in solar irradiance - Drew Shindell) | same as pre-Ind control | |
| | Aerosols | biomass burning changes???? | same as pre-Ind control | | | Aerosols | biomass burning changes???? | same as pre-Ind control | |
| | Vegetation | Land use conversion (forests to C3/C4 crops) (Pongratz, 2008, Foley and Ramunkutty) | No change from Pre-Ind control | | | Vegetation | Land use conversion (forests to C3/C4 crops) (Pongratz, 2009, Foley and Ramunkutty). Available from WDCC-Hamburg (http://cera-www.dkrz.de/WDCC/ui/Entry.jsp?acronym=LAND_COV_scen_800_1699) | No change from Pre-Ind control | |
| | | available from WDCC-Hamburg (URL?) | | | |
| | Ice sheets | No changes from Pre-Ind control | | | | Ice sheets | No changes from Pre-Ind control | | |
| | Topography and coastlines | No change from Pre-Ind control | | | | Topography and coastlines | No change from Pre-Ind control | | |
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| Please use the [[index#page_bottom_tag|discussion]] panel to **comment** this table! | Please use the [[index#page_bottom_tag|discussion]] panel to **comment** this table! |
| Candidate datasets: Crowley, Ammann - differences in thresholds for significant eruptions, peak forcing etc. Need merged/consistent fields. (Ammann) | Candidate datasets: Crowley, Ammann - differences in thresholds for significant eruptions, peak forcing etc. Need merged/consistent fields. (Ammann) |
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| | ==== Reconstructed evolution of trace gases ==== |
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| | The evolution of CO<sub>2</sub>, CH<sub>2</sub>, N<sub>2</sub>O over past 2 millennia {{:pmip3:design:lm:ghg_lawdome_giss_merge_c5mip_24jul09.1-2000.txt|table}} has been provided by [[joos@climate.unibe.ch|Fortunat Joos]] (University of Bern). Methods and references are provided in the downloadable file. |
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