ENSEMBLES BCCR-BCM2.0 20C3M run1, monthly mean values

Drange, Helge

These data represent monthly averaged values of selected variables for ENSEMBLES (http://www.ensembles-eu.org). The list of output variables can be found in: http://ensembles.wdc-climate.de/output-variables

The model output was prepared for the IPCC Fourth Assessment 20C3M experiment.

This experiment was initiated from model year 235 (nominal year 2000) of the climate of the 20th Century experiment (with bcm_experiment_name: PT3) Varying forcing agents: CO2,CH4,N2O,CFC11(including other CFCs and HFCs),CFC12 and sulfate aerosols (Boucher data, only direct effect). Non-varying forcing agents: Background aerosols: black carbon,sea salt,desert dust, stratospheric and tropospheric ozone, solar irradiance (1368 W/m2) and the distribution of land cover types. No volcanic aerosols. No heat or fresh water adjustments.

These datasets are available in netCDF format.
The dataset names are composed of
- centre/model acronym (e.g. MPEH5: Max-Planck-Institute/Echam5)
- scenario acronym (e.g. SRA2: SRES A2)
- run number (e.g. 1: run 1)
- time interval (MM:monthly mean, DM:daily mean, DC:diurnal cycle, 6H:6 hourly, 12h:12hourly)
- variable acronym [with level value] (e.g. hur850: relative humidity, 850 hPa)
--> example: MPEH5_SRA2_1_MM_hur850

For this experiment 1 ensemble run was carried out.

Technical data to this experiment:
BCM2.0, (2005):
atmosphere : ARPEGE V3 T63L31 (cy 22b+)
ocean : NERSC-MICOM V1.0 (based on MICOM V2.8), 35 vertical layers, 1.5(E-W) X 0.5(N-S) deg. res. near equator with gradual transformation to square grid cells away from equator
sea ice : NERSC Sea Ice Model (Viscous-plastic + thermodynamic), 4 gridcells per ocean grid cell
land : ISBA ARPEGE V3 version

The output from the model run: tre.ii.uib.no:/net/bcmhsm/nilsg/BCM
ENSEMBLES (Production of seasonal to decadal hindcasts and climate change scenarios)
Spatial Coverage
Longitude 0 to 360 Latitude -90 to 90 Altitude: .1 m to 10 hPa
Temporal Coverage
1850-01-01 to 1999-12-31 (calendrical)
Use constraints
According to Ensembles Data Policy (http://ensembles-eu.metoffice.com/docs/Ensembles_Data_Policy_261108.pdf)
Data Catalog
World Data Center for Climate
7.09 GiB (7614384580 Byte)
completely archived
Creation Date
Cite as
Drange, Helge (2006). ENSEMBLES BCCR-BCM2.0 20C3M run1, monthly mean values. World Data Center for Climate (WDCC) at DKRZ. http://hdl.handle.net/21.14106/78a77305ba308b28ac6f3362a53d9ce3b0e0adf7

[Entry acronym: ENSEMBLES_BCM2_20C3M_1_MM] [Entry id: 2093617]
consistent as the model is
Contact typePersonORCIDInstitute


[1] DOI Furevik, T.; Bentsen, M.; Drange, H.; Kindem, I. K. T.; Kvamstø, N. G.; Sorteberg, A. (2002). Description and evaluation of the bergen climate model: ARPEGE coupled with MICOM. doi:10.1007/s00382-003-0317-5
[2] Furevik, T.; Bentsen, M.; Drange, H.; Kindem, I.K.T.; Kvamstoe, N.G.; Sorteberg, A. (2002). BCM homepage.

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