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Lautenschlager,Michael; Keuler,Klaus; Wunram,Claudia; Keup-Thiel,Elke; Schubert, Martina; Will,Andreas; Rockel,Burkhardt; Boehm,Uwe
Climate Simulation with CLM, Scenario A1B run no.2, Data Stream 3: European region MPI-M/MaD
WDCC at DKRZ
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The experiment CLM_A1B_2_D3 contains European regional climate simulations of the years 2001-2100 on a regular geographical grid. The data are generated during post processing of the corresponding data stream 2 experiment (CLM_A1B_2_D2) of regional climate model runs (CLM non hydrostatic, see http://www.clm-community.eu
). It is forced by the second (_2_) run of the global IPCC scenario A1B (EH5-T63L31_OM-GR1.5L40_A1B_2_6H), which describes a possible future world of very rapid economic growth, global population peaking in mid-century and rapid introduction of new and more efficient technologies with a balance across all energy sources.
In data stream 3 (_D3) the output variables of CLM data stream 2 and some additionally derived parameters are stored as time series on a regular geograhical grid (0.2 deg. hor. res.). The transformation has been done via CDO routines. Please note, that none of the variables has been corrected for topographical differences between the two grids.
The model domain of data stream 3 covers the European region starting at 34.6/-10.6 (lat/lon, centre of lower left grid box) with an increment of 0.2 degree. The number of grid points is 177/238 (lat/lon).
For some model variables and additionally derived parameters some statistics on daily, monthly or yearly basis are available. See also http://sga.wdc-climate.de
for a list of available parameters.
Please contact sga"at"dkrz.de for data request details.
for more details on CLM simulations in the context of the BMBF funding priority "klimazwei", some useful information on handling climate model data and the data access regulations.
The output format is netCDF
Experiment with CLM 2.4.11 on NEC-SX6(hurrikan)
raw data: hpss:/dxul/ut/k/k204095/prism/experiments/A1B_2
Due to technical reasons in data stream 2 (D2) the last record of every year was released with the time step(00.00 Hour, 01.January) of the following year
in the netCDF header.
1) Quality documentation see
'README, Plots and Reports for CLM regional climate model runs' in CERA2http://cera-www.dkrz.de/WDCC/ui/Entry.jsp?acronym=CLM_PLOTS_2008
and 'CLM Technical Report'http://www.mad.zmaw.de/fileadmin/extern/documents/reports/MaD_TechRep3_CLM.pdf
Chapter 4 and 6.
2)Control of timeseries:
-creation of minimum, maximum, mean, average timeseries of every record
-control of timeseries with statistical analysis.
-control metadata and data of start and stop date (March 2009)
-control metadata of continuous time (March 2009)Consistency
as consistent as the model is (CLM Version 2.4.11)Completeness
CLM data stream 3 (_D3) contains a SUBSET of the output variables of CLM data stream 2 (_D2) and some additional derived parameters.
Europe; Latitude: 34.809 to 80.764 Longitude: -31.29 to 66.427
Latitude: 34.6 to 69.8; Longitude: -10.6 to 36.8; Altitude: -3.82 m to 200.0 hPa
1/1/2001 - 31/12/2100 (calendrical)
Dr. Michael LautenschlagerDeutsches Klimarechenzentrum (DM)
CLM regional climate model runs forced by the global IPCC scenario runs