The SRES data sets were published by the IPCC in 2000 and classified into four different scenario families (A1, A2, B1, B2). SRES-A2 storyline describes a very heterogeneous world with the underlying theme of self-reliance and preservation of local identities. It results in this scenario a continous increasing population together with a slower economic growth and technological change. The model consists of the atmospheric component which based on the weather forecast model of ECMWF. The atmospheric component is the standard model version of a 19-level hybrid sigma-pressure coordinate system. The ocean component is a model which computes with isopycnal coordinates. ECHAM4/OPYC3(http://ipcc-data.org/gcm/models/tar/echam4opyc3.html ). This data set is an enlargement of the IPCC data set and provides additional meteorological parameters. The run produces 6h values of the variables. ECHAM4/OPYC3 (http://ipcc-data.org/gcm/models/tar/echam4opyc3.html ). Changes of anthropogenic emissions of CO2, CH4, N2O and sulphur dioxide are prescribed according to the above mentioned scenario. The model run starts in 1990 from the results of the scenario run GSDIO (Experiment EH4OPYC_22723GSDIO) which has been run with observed conditions for the time periode 1860 to 1990.
Stendel, Martin; Schmith, Torben; Roeckner, Erich; Cubasch, Ulrich (2004). ECHAM4_OPYC_SRES_A2: 110 YEARS COUPLED A2 RUN 6H VALUES. World Data Center for Climate (WDCC) at DKRZ. https://doi.org/10.1594/WDCC/EH4_OPYC_SRES_A2
model data The first record is incorrect for those variables that represent means over the output intervall (e.g. TEMP2, DEWS2, precipitation, radiation quantities and more)
Completeness report
complete the years in the GRIB header are being counted from 30-55, 0-84 equivalent to model year 230 - 340; real year 1990 - 2100.
Description
complete the years in the GRIB header are being counted from 30-55, 0-84 equivalent to model year 230 - 340; real year 1990 - 2100.
Checks performed by WDCC. Metrics documentation: https://doi.org/10.5334/dsj-2020-041 results are provided on AIC level (experiment, dataset_group and dataset (meta)data are combined for evaluation)
[1] DOIRoeckner, E.; Oberhuber, J. M.; Bacher, A.; Christoph, M.; Kirchner, I. (1996). ENSO variability and atmospheric response in a global coupled atmosphere-ocean GCM. doi:10.1007/s003820050140
[2] DOIRoeckner, E.; Bengtsson, L.; Feichter, J.; Lelieveld, J.; Rodhe, H. (1999). Transient Climate Change Simulations with a Coupled Atmosphere-Ocean GCM Including the Tropospheric Sulfur Cycle. doi:10.1175/1520-0442(1999)012<3004:TCCSWA>2.0.CO;2