FACTS Climate Experiment Documentation
Climate Experiment Forcings
The table below shows the forcings used in the climate experiments that are being made available through the FACTS website.Experiment Identifiers | Forcings1 | ||||
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Experiment Name2 | File Name ID3 | Sea Surface Temperature (SST) | Sea Ice | Greenhouse Gases (GHG) | Ozone |
AMIP with Observed Radiative Forcing | amip_obs_rf | Obs | Obs | Obs | Obs |
AMIP with 1880s Radiative Forcing | amip_1880s_rf | Obs Detrended to 1880 | Present Climatology | Past Climatology | Past Climatology |
AMIP with Natural History Forcing | amip_nat_hist | CMIP5-est15 | CMIP5-est15 | Past Climatology | Past Climatology |
AMIP with Climatological Radiative Forcing | amip_clim_rf | Obs | Obs | Present Climatology | Present Climatology |
AMIP with Observed Radiative Forcing, Climatological Sea Ice and Polar SST | amip_clim_polar | Obs/Present Climatology | Present Climatology | Obs | Obs |
Leading Pattern of Global SST Variabilty4 with Observed Radiative Forcing | eof1_sst | 1st EOF4 | Obs | Obs | Obs |
First 2 Leading Patterns of Global SST Variability4 with Observed Radiative Forcing | eof1+eof2_sst | 1st & 2nd EOF4 | Obs | Obs | Obs |
Large Ensemble | LENS | Coupled model | Coupled model | Obs/RCP8.5 | Obs |
2 Text for "experiment" global attribute in files
3 Experiment identifier in file and directory names
4 Leading Patterns are the first and second Empirical Orthogonal Functions (EOF) of Global monthly SST variability 1979-2011 (EOF1, EOF2)
5 Method described in: A benchmark estimate of the effect of anthropogenic emissions on the ocean surface.
6 CESM Large Ensemble Project
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Climate Experiment Time Coverage & Ensemble Size
The table below shows the ensemble size & time coverage for the climate experiments that are being made available through the FACTS website.Experiment Identifiers | Time CoverageNumber of Ensemble Members | |||||||
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Experiment Name | File Name ID | ECHAM5 | CAM4 | ESRL-GFSv2 | GEOS-5 | AM3 | ESRL-CAM5.1 | LBNL-CAM5.1 |
AMIP with Observed Radiative Forcing | amip_obs_rf | Jan 1979- Feb 201950 |
Jan 1979- May 201520 |
Jan 1979- Feb 201850 |
Jan 1871- Aug 201412 |
Jan 1870- Feb 201412 |
Jan 1900- Feb 201940 |
Jan 1959- Sep 201450 |
AMIP with 1880s Radiative Forcing | amip_1880s_rf | Jan 1979- Feb 201950 |
Jan 1979- Dec 201220 |
Jan 1979- Feb 201940 |
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AMIP with Natural History Forcing | amip_nat_hist | Jan 1959- Oct 201450 |
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AMIP with Climatological Radiative Forcing | amip_clim_rf | Jan 1979- Dec 201210 |
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AMIP with Observed Radiative Forcing, Climatological Sea Ice and Polar SST | amip_clim_polar | Jan 1979- Feb 201830 |
Jan 1979- May 201520 |
Jan 1979- Jun 201530 |
Jan 1979- Apr 201720 |
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Leading Pattern of Global SST Variabilty4 with Observed Radiative Forcing | eof1_sst | Jan 1979- Apr 201730 |
Jan 1979- May 201520 |
Jan 1979- Jun 201550 |
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First 2 Leading Patterns of Global SST Variabilty4 with Observed Radiative Forcing | eof1+eof2_sst | Jan 1979- Apr 201730 |
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Climate Experiment Variables
The table below shows a list of monthly variables generally being made available through the FACTS website. Each experiment may have only some of the variables available. The netCDF files use the CMIP5 variable names and units where possible and include variable attributes to show the original model variable name and units.CMIP5 Variables Names and Units | Model Variables Names | |||||||
---|---|---|---|---|---|---|---|---|
Variable Description (long_name attribute) |
Variable Name | Units | CF Standard name | ECHAM5 | CAM4/CAM5.1 | ESRL-GFSv2 | AM3 | GEOS-5 |
Surface Upward Latent Heat Flux | hfls | W m-2 | surface_upward_latent_heat_flux | ahfl | LHFLX | lhtfl | lhfx | |
Surface Upward Sensible Heat Flux | hfss | W m-2 | surface_upward_sensible_heat_flux | ahfs | SHFLX | shtfl | shfx | |
Geopotential Height | zg | m | geopotential_height | geopoth | Z3 | hgt | h | |
Precipitation | pr | kg m-2 s-1 | precipitation_flux | precip | PRECT | precip | precip | pr |
Surface Runoff | mrro | kg m-2 s-1 | runoff_flux | runoff | QRUNOFF | |||
Total Soil Moisture Content | mrso | m | soil_moisture_content | ws | MRSO | |||
Sea Level Pressure | psl | Pa | air_pressure_at_sea_level | slp | PSL | prmsl | slp | |
Snow Water Equivalent | snw | kg m-2 | surface_snow_amount | sn | SNOWHLND | |||
Air Temperature | ta | K | air_temperature | st | T | tmp | t | |
Daily Maximum Near-Surface Air Temperature | tasmax | K | air_temperature | t2max | TREFMXAV | |||
Daily Minimum Near-Surface Air Temperature | tasmin | K | air_temperature | t2min | TREFMNAV | |||
Near-Surface Air Temperature | tas | K | air_temperature | temp2 | TREFHT | t2m | t_ref | t2m |
Surface Temperature | ts | K | surface_temperature | tsurf | TS | |||
Eastward Wind | ua | m s-1 | eastward_wind | u | U | ugrd | u | |
Northward Wind | va | m s-1 | northward_wind | v | V | vgrd | v |
Coordinate Variables
CMIP5 Variables and Units | Model Variables | |||||||
---|---|---|---|---|---|---|---|---|
Variable Description (long_name attribute) |
Variable Name | Units | CF Standard name | ECHAM5 | CAM4/CAM5.1 | ESRL-GFSv2 | AM3 | GEOS-5 |
time | time | days since ? | time | time | time | time | time | time |
latitude | lat | degrees_north | latitude | lat | lat | lat | grid_yt | lat |
longitude | lon | degrees_east | longitude | lon | lon | lon | grid_xt | lon |
pressure | plev | Pa | air_pressure | lev | level | lev | lev |
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Descriptions of the models available in FACTS
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