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pmip3:design:lm:final [2009/12/21 22:21] gavin |
pmip3:design:lm:final [2010/08/02 14:00] jypeter Corrected links that were pointing to the LM "discussion" page rather than this "final" page |
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^ ^ PMIP3 ^ Alternative solution ^ | ^ ^ PMIP3 ^ Alternative solution ^ | ||
- | | Orbital parameters | Annually varying\\ [[index#orbital_forcing|Table provided (0-2100 CE/AD), if not internally calculated]] | | | + | | Orbital parameters | Annually varying\\ [[final#orbital_forcing|Table provided (0-2100 CE/AD), if not internally calculated]] | | |
| Date of vernal equinox | March 21 at Noon | | | | Date of vernal equinox | March 21 at Noon | | | ||
- | | Trace gases | Annually varying (850-1850) ([[index#reconstructed_evolution_of_trace_gases|Table provided]]) | | | + | | Trace gases | Annually varying (850-1850) ([[final#reconstructed_evolution_of_trace_gases|Table provided]]) | | |
| Volcanic Aerosols | Multiple reconstructions (of AOD, Effective Radius, Mass) | | | | Volcanic Aerosols | Multiple reconstructions (of AOD, Effective Radius, Mass) | | | ||
| Solar irradiance | choose at least one between Multiple reconstructions provided below | | | | Solar irradiance | choose at least one between Multiple reconstructions provided below | | | ||
| Ozone | solar related variations (parameterised as function of change in solar irradiance - Drew Shindell) | same as in CMIP5 PI | | | Ozone | solar related variations (parameterised as function of change in solar irradiance - Drew Shindell) | same as in CMIP5 PI | | ||
| Aerosols | biomass burning changes???? | same as in CMIP5 PI | | | Aerosols | biomass burning changes???? | same as in CMIP5 PI | | ||
- | | Vegetation | Land use conversion (forests to C3/C4 crops) (Pongratz, 2009, Foley and Ramunkutty)\\ Provided below | same as in CMIP5 PI | | + | | Vegetation | Land cover change (natural vegetation to crop/C3 pasture/C4 pasture)\\ (Pongratz et al., 2008; Ramankutty and Foley, 1999)\\ [[final#vegetation|Provided below]] | same as in CMIP5 PI | |
| Ice sheets | No changes from Pre-Ind control | | | | Ice sheets | No changes from Pre-Ind control | | | ||
| Topography and coastlines | same as in CMIP5 PI | | | | Topography and coastlines | same as in CMIP5 PI | | | ||
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==== Total Solar Irradiance ==== | ==== Total Solar Irradiance ==== | ||
- | Multiple reconstructions of total solar irradiance are provided. These are designed to either fit smoothly with the reconstructions used in the post-1850 simulations (Wang, Lean and Sheely (2005)), or to explore independent estimates of the long term solar trends. Each series has an 11 year solar cycle throughout the time series (synthetic for pre-1610, based on a relationship between cycle magnitude and long-term TSI) and comes with an estimate of the spectral changes (as a function of the TSI anomaly). Each reconstruction is calibrated to the WLS modern values. | + | Multiple reconstructions of annual total solar irradiance are [[https://pmip3.lsce.ipsl.fr/share/design/lm/solar_Dec21.tar.gz | provided]]. These are designed to either fit smoothly with the reconstructions used in the post-1850 CMIP5 simulations (Wang, Lean and Sheely (2005)), or to explore independent estimates of the long term solar trends. Each series has an 11 year solar cycle throughout the time series (synthetic for pre-1610, based on a relationship between cycle magnitude and long-term TSI) and comes with an estimate of the spectral changes (as a function of the TSI anomaly). Each reconstruction is calibrated to the [[http://www.geo.fu-berlin.de/en/met/ag/strat/forschung/SOLARIS/Input_data/CMIP5_solar_irradiance.html | WLS modern values]]. See the [[https://pmip3.lsce.ipsl.fr/share/design/lm/README.txt | README.txt]] file for details of filenames and formats. |
- | === Wang, Lean and Sheely: 1610-2000 === | + | === Wang, Lean and Sheely (WLS): 1610-2000 CE === |
Spectral reconstruction based on a flux transport model of the open and closed flux using the observed sunspot record as the main input. This comes in two versions, A) a "no-background" version that just has TSI variations similar to that seen over a solar cycle today, and B) a "with background" version with longer term trends in the solar minimum. | Spectral reconstruction based on a flux transport model of the open and closed flux using the observed sunspot record as the main input. This comes in two versions, A) a "no-background" version that just has TSI variations similar to that seen over a solar cycle today, and B) a "with background" version with longer term trends in the solar minimum. | ||
- | === Delaygue and Bard: 850-1609 === | + | Lean J, [[http://www.geo.fu-berlin.de/en/met/ag/strat/forschung/SOLARIS/Input_data/Calculations_of_Solar_Irradiance.pdf | "Calculations of Solar Irradiance" ]] |
+ | |||
+ | Wang, Y.-M., J. L. Lean, and N. R. Sheeley, Jr. (2005), Modeling the Sun’s Magnetic Field and Irradiance since 1713, ApJ, 625, 522–538, doi:10.1086/429689. | ||
+ | |||
+ | === Delaygue and Bard (DB): 850-1609 CE === | ||
Reconstruction based on an Antarctica stack of 10Be records scaled linearly to the modern-to-Maunder Minimum TSI in the two WLS reconstructions. | Reconstruction based on an Antarctica stack of 10Be records scaled linearly to the modern-to-Maunder Minimum TSI in the two WLS reconstructions. | ||
- | === Muscheler, Joos, Beer, Müller, Vonmoos and Snowball (2007): 850-1609 === | + | Delaygue, G and E. Bard, (2009), Solar forcing based on Be-10 in Antarctica ice over the past millennium and beyond, EGU 2009 General Assembly, [[http://meetingorganizer.copernicus.org/EGU2009/EGU2009-6943.pdf | #EGU2009-6943]] |
+ | |||
+ | === Muscheler, Joos, Beer, Müller, Vonmoos and Snowball (MEA): 850-1609 CE === | ||
Reconstruction based on the 14C record scaled based on an inverse regression to the two WLS reconstructions. | Reconstruction based on the 14C record scaled based on an inverse regression to the two WLS reconstructions. | ||
- | === Vieira, Krivova and Solanki: 850-1849 === | + | Muscheler, R., F. Joos, J. Beer, S.A. Müller, M. Vonmoos, and I. Snowball (2007), Solar activity during the last 1000 yr inferred from radionuclide records Quaternary Science Reviews, Vol. 26, pp. 82-97. doi:10.1016/j.quascirev.2006.07.012 |
+ | |||
+ | === Vieira, Krivova and Solanki (VK): 850-1849 CE === | ||
Reconstruction based on a model of the open and closed magnetic flux including an estimate of the 11 yr cycle. We recommend patching this into the WLS w/background values in 1850. | Reconstruction based on a model of the open and closed magnetic flux including an estimate of the 11 yr cycle. We recommend patching this into the WLS w/background values in 1850. | ||
- | === Steinhilber, Beer, and Frohlich: 850-1849 === | + | N.A. Krivova, L. Balmaceda and S.K. Solanki, (2007), Reconstruction of solar total irradiance since 1700 from the surface magnetic flux. Astronomy and Astrophysics, 467, 335-346.[[http://www.mps.mpg.de/homes/natalie/PAPERS/aa6725-06.pdf]] |
- | Reconstruction based on a Greenland 10Be core and a different model of solar flux. 11yr cycle is synthetic. We recommend patching this into the WLS w/background values in 1850. | + | Vieira, L.E.A., and S. Solanki (2009), Evolution of the solar magnetic flux on time scales of years to millenia, [[http://eprintweb.org/S/authors/All/so/Solanki/2 | arXiv/0911.4396]], doi:10.1051/0004-6361/200913276 |
- | == References == | + | === Steinhilber, Beer, and Frohlich (SBF): 850-1849 CE === |
- | Lean J, ["Calculations of Solar Irradiance" http://www.geo.fu-berlin.de/en/met/ag/strat/forschung/SOLARIS/Input_data/Calculations_of_Solar_Irradiance.pdf] | + | Reconstruction based on a Greenland 10Be core and a different model of solar flux. 11yr cycle is synthetic. We recommend patching this into the WLS w/background values in 1850. |
- | Delaygue, G and E. Bard, (2009), Solar forcing based on Be-10 in Antarctica ice over the past millennium and beyond, EGU 2009 General Assembly, [#EGU2009-6943, http://meetingorganizer.copernicus.org/EGU2009/EGU2009-6943.pdf] | + | Steinhilber, F., J. Beer, and C. Frohlich (2009), Total solar irradiance during the Holocene, Geophys. Res. Lett., 36, L19704, doi:10.1029/2009GL040142. |
- | Muscheler, R., F. Joos, J. Beer, S.A. Müller, M. Vonmoos, and I. Snowball (2007), Solar activity during the last 1000 yr inferred from radionuclide records Quaternary Science Reviews, Vol. 26, pp. 82-97. doi:10.1016/j.quascirev.2006.07.012 | + | ==== Solar-driven Ozone variations ==== |
- | Steinhilber, F., J. Beer, and C. Frohlich (2009), Total solar irradiance during the Holocene, Geophys. Res. Lett., 36, L19704, doi:10.1029/2009GL040142. | + | A parameterisation of ozone changes in the atmosphere (lat, lon, altitude) as a function of changing solar irradiance (including spectral variations) is available based on the results of Shindell et al (2006). Data file: [[http://www.giss.nasa.gov/staff/gschmidt/dO3_shindell | dO3_shindell]], data description: [[http://www.giss.nasa.gov/staff/gschmidt/ozone-feedback.txt | ozone-feedback.txt]]. |
- | Vieira, L.E.A., and S. Solanki (2009), Evolution of the solar magnetic flux on time scales of years to millenia, arXiv/0911.4396, doi:10.1051/0004-6361/200913276 | + | Shindell, D.T., G. Faluvegi, R.L. Miller, G.A. Schmidt, J.E. Hansen, and S. Sun, 2006: Solar and anthropogenic forcing of tropical hydrology. Geophys. Res. Lett., 33, L24706, doi:10.1029/2006GL027468,2006. [[http://pubs.giss.nasa.gov/docs/2006/2006_Shindell_etal_4.pdf]] |
- | + | ||
- | Wang, Y.-M., J. L. Lean, and N. R. Sheeley, Jr. (2005), Modeling the Sun’s Magnetic Field and Irradiance since 1713, ApJ, 625, 522–538, doi:10.1086/429689. | + | |
==== Volcanic Forcings ==== | ==== Volcanic Forcings ==== | ||
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Sensitivity experiments for the model response to the Pinatubo eruption yield an average global temperature change (0.4 K) comparable to observations. For the largest eruption of the last millennium, the 1258 AD eruption, a NH summer temperature anomaly over land of 1.2 K is found in agreement with reconstructions (Timmreck et al., 2009) | Sensitivity experiments for the model response to the Pinatubo eruption yield an average global temperature change (0.4 K) comparable to observations. For the largest eruption of the last millennium, the 1258 AD eruption, a NH summer temperature anomaly over land of 1.2 K is found in agreement with reconstructions (Timmreck et al., 2009) | ||
+ | |||
+ | The dataset is available in a {{:pmip3:design:lm:ici5_aod_reff_c.zip|zip file}}. | ||
Crowley, T. et al. Volcanism and the Little Ice Age. PAGES Newsletter, 16, 22-23 (2008). | Crowley, T. et al. Volcanism and the Little Ice Age. PAGES Newsletter, 16, 22-23 (2008). | ||
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| Model spin up | Same as in PI | | | | Model spin up | Same as in PI | | | ||
+ | ===== Links ===== | ||
+ | |||
+ | * PCMIP Project (**P**alaeo**C**arbon **M**odelling **I**ntercomparison **P**roject)\\ http://www.bridge.bris.ac.uk/projects/pcmip | ||
+ | |||
+ | * CMIP5 (**C**oupled **M**odel **I**ntercomparison **P**roject Phase **5**)\\ http://cmip-pcmdi.llnl.gov/cmip5/ | ||
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