LongRunMIP

Temperature response to CO₂ in the atmosphere and ocean for two representative models. Visualization by Tarun Chadha of SIS/C2SM, ETH Zurich. More animations can be found here.

Simulations

Model	Simulation	Length	Atm. resolution	Ocean resolution	Control sim. (years)
CCSM3	abrupt2x	3000	48x96	100x116x25	1530
	abrupt4x	2120
	abrupt8x	1450
CCSM3II	abrupt2.4x	3701	48x96	100x116x25	3805
	abrupt4.8x	3132
	lin2.4x	3990
CESM 1.0.4	abrupt2x	2500	96x144	384x20x60	1320
	abrupt4x	5000
	abrupt8x	2300
CNRM-CM6-1	abrupt4x	1000	128x256	180x360x75	500
EC-EARTH-PISM	hist+RCP8.5+	1270	160x320	292x362x42	508
ECHAM5/MPI-OM	abrupt4x	1000	48x96	101x120x40	100
ECHAM5/MPI-OM	1pct4x	6080	48x96	101x120x40	100
FAMOUS	abrupt2x	3000	37x48	73x96x20	3000
FAMOUS	abrupt4x	3000	37x48	73x96x20	3000
GFDL-CM3	1pct2x	5000	90x144	200x360x50	5200
GFDL-ESM2M	1pct2x	4500	90x144	200x360x50	1340
GISS-E2-R	abrupt4x	5000	90x144	180x288x32	5225
GISS-E2-R	1pct4x	5000	90x144	180x288x32	5225
HadCM3L	abrupt2x	1000	73x96	73x96x20	1000
	abrupt4x	1000
	abrupt8x	1000
	abrupt16x	1000
HadGEM2-ES	abrupt4x	1299	145x192	216x360x40	239
IPSL-CM5A-LR	abrupt4x	1000	96x96	149x82x31	1000
MIROC3.2	1pct2x	2000	64x128	192x256x44	681
MIROC3.2	1pct4x	2000	64x128	192x256x44	681
MPIESM-1.1	abrupt4x	4459	96x192	220x256x40	2000
MPIESM-1.2	abrupt2x	1000	96x192	220x256x40	1237
	abrupt4x	1000
	abrupt8x	1000
	abrupt16x	1000

Variables

Atmosphere

hfls	Surface upward latent heat flux
hfss	Surface upward sensible heat flux
pr	Precipitation (on atmospheric grid)
psl	Sea level pressure
rlds	Surface downwelling longwave radiation
rlus	Surface upwelling longwave radiation
rlut	TOA outgoing longwave radiation
rlutcs	TOA outgoing clear-sky longwave radiation
rsds	Surface downwelling shortwave radiation
rsdt	TOA incident shortwave radiation
rsus	Surface upwelling shortwave radiation
rsut	TOA outgoing shortwave radiation
rsutcs	TOA outgoing clear-sky shortwave radiation
tas	Near-surface air temperature
ts	Atmospheric surface temperature
netTOA	Net TOA flux
netSURF	Net surface flux

Ocean

sic	Sea ice area fraction, monthly
moc/msftmyz	Meridional overturning circulation
surf	Net ocean heat uptake, annual
tos	Sea surface temperature, annual
sos	Sea surface salinity, annual
wfo	Net water flux into sea water
evs	Water evaporation
pr_ocn	Precipitation (on ocean grid)
tauuo	Surface downward wind stress in x dirction
tauvo	Surface downward wind stress in y dirction
so	Sea water salinity, 3D full time series, annual
thetao	Sea water potential temperature, 3D full time series, annual
agessc	Ideal age, time since surface contact 3D full time series, annual
thetaoFeb	Sea water potential temperature, 3D full time series, February
thetaoSep	Sea water potential temperature, 3D full time series, September
soFeb	Sea water salinity, 3D full time series, February
soSep	Sea water salinity, 3D full time series, September

Publications

Rugenstein, M., J. Bloch-Johnson, A. Abe-Ouchi, T. Andrews, U. Beyerle, L. Cao, T. Chadha, G. Danabasoglu, J.-L. Dufresne, L. Duan, M.-A. Foujols, T. L. Frölicher, O. Geoffroy, J. Gregory, R. Knutti, C. Li, A. Marzocchi, T. Mauritsen, M. Menary, E. Moyer, L. Nazarenko, D. Paynter, D. Saint-Martin, G. A. Schmidt, A. Yamamoto, and S. Yang, 2019: LongRunMIP - motivation and design for a large collection of millennial-length GCM simulations, BAMS link
Rugenstein, M., J. Bloch-Johnson, J. Gregory, T. Andrews, T. Mauritsen, C. Li, T. L. Frölicher, D. Paynter, G. Danabasoglu, S. Yang, J.-L. Dufresne, L. Cao, G. A. Schmidt, A. Abe-Ouchi, O. Geoffroy, and R. Knutti, 2019: Equilibrium climate sensitivity estimated by equilibrating climate models, GRL link
J. Bloch-Johnson, Rugenstein, M., and D. S. Abbot, 2020: Spatial radiative feedbacks from internal variability using multiple regression, J. Climate link
Dai, A., D. Huang, B. E. J. Rose, J. Zhu, and X. Tian, 2020: Improved methods for estimating equilibrium climate sensitivity from transient warming simulations, Climate Dynamics link
Schwarzwald, K., A. Poppick, M. Rugenstein, J. Bloch-Johnson, J. Wang, D. McInerney, and E. J. Moyer, 2020: Changes in future precipitation mean and variability across scales, J. Climate link
J. Bloch-Johnson, Rugenstein, M., M. B. Stolpe, T. Rohrschneider, Y. Zheng, and J. Gregory, 2020: Climate sensitivity increases under higher CO₂ levels due to feedback temperature dependence, GRL link
Sherwood, S. C., M. J. Webb, J. D. Annan, K. C. Armour, P. M. Forster, J. C. Hargreaves, G. Hegerl, S. A. Klein, K. D. Marvel, E. J. Rohling, M. Watanabe, T. Andrews, P. Braconnot, C. S. Bretherton, G. L. Foster, Z. Hausfather, A. S. von der Heydt, R. Knutti, T. Mauritsen, J. R. Norris, C. Proistosescu, M. Rugenstein, G. A. Schmidt, K. B. Tokarska, M. D. Zelinka, 2020: An Assessment of Earth's Climate Sensitivity Using Multiple Lines of Evidence, Review of Geophysics link
Bastiaansen, R., H. A. Dijkstra, A. S. von der Heydt, 2020: Multivariate Estimations of Equilibrium Climate Sensitivity From Short Transient Warming Simulations, GRL link
Dunne J. P., M. Winton, J. Bacmeister, G. Danabasoglu, A. Gettelman, J.-C. Golaz, C. Hannay, G. A. Schmidt, J. P. Krasting, L. R. Leung, L. Nazarenko, L. T. Sentman, R. J. Stouffer, J. D. Wolfe, 2020: Comparison of Equilibrium Climate Sensitivity Estimates From Slab Ocean, 150-Year, and Longer Simulations, GRL link
Callahan, C., C. Chen, M. Rugenstein, J. Bloch-Johnson, S. Yang, and E. J. Moyer, 2021: Robust decrease in ENSO amplitude under long-term warming, Nature Climate Change link

Using LongRunMIP data in your publication? Please let us know, so we can add it to the list!

Contact

LongRunMIP is organized by

Maria Rugenstein, maria.rugenstein@mpimet.mpg.de
Jonah Bloch-Johnson, j.bloch-johnson@reading.ac.uk

and has contributions from Ayako Abe-Ouchi (MIROC), Timothy Andrews (HadGEM2), Long Cao (HadCM3L), Gokhan Danabasoglu (CCSM3), Jean-Louis Dufresne (IPSL), Thomas Frölicher (GFDL-ESM2M), Olivier Geoffroy (CNRM),Jonathan Gregory (FAMOUS), Chao Li (ECHAM5/MPIOM, MPI-ESM-1.1), Thorsten Mauritsen (MPI-ESM-1.2), Elisabeth Moyer (CCSM3), David Paynter (GFDL-CM3), Maria Rugenstein (CESM104), Gavin A. Schmidt (GISSE2R), and Shuting Yang (EC-EARTH-PISM).