This dataset includes the ECMWF-IFS4 model output prepared for SPECS SnowInit (2004-2014). These data were prepared by the European Centre for Medium-range Weather Forecasting (ECMWF), as part of the SPECS project. Model id is IFS4 (atmosphere: IFS4(201505212,CY42R1,N128TL255L91); ocean:NEMO3.4.1(L34E5,ORCA1_Z42,1°L42); seaice:N/A; MACC:N/A; land:CHTESSEL,ERA-Interim forcing, lakes, fixed glaciers (CY41R1, internal exp.id gd80, climate.v012); wave:WAM(CY41R1,1°); ozone:Cariolle(v2.9); climversion:climate.v012), no external forcing. frequency is daily and monthly. Daily Atmospheric variables are: clt pr psl rlut rsds tas tasmax tasmin tdps uas vas Monthly atmos variables: al clt hfls hfss mrso pr psl rls rlut rsds rsdt rss rsut snld ta tas tasmax tasmin tdps uas vas zg

This dataset includes the ECMWF-IFS model output prepared for SPECS seasonal (1981-2012). These data were prepared by the European Centre for Medium-range Weather Forecasting (ECMWF), as part of the SPECS project. Model id is IFS (IFS C36R4), frequency is daily and monthly. Daily Atmospheric variables are: rlut Monthly atmos variables: al clt hfls hfss mrso pr psl rls rsds rss snld tas tdps uas vas Monthly ocean variables: mlotst sos t20d thetao tos uo vo

This dataset includes the ECMWF-IFS4 model output prepared for SPECS SoilMoistureInit (1981-2013). These data were prepared by the European Centre for Medium-range Weather Forecasting (ECMWF), as part of the SPECS project. Model id is IFS4 (atmosphere: IFS4(201505212,CY41R1,N128TL255L91); ocean:NEMO3.4.1(L34E5,ORCA1_Z42,1°L42); seaice:N/A; MACC:N/A; land:CHTESSEL,ERA-Interim forcing, active lakes, GPCP correction, carbon fixes (CY40R1, internal exp.id g2ze, climate.v009); wave:WAM(CY41R1,1°); ozone:Cariolle(v2.9); climversion:climate.v010), no external forcing. frequency is daily and monthly. Daily Atmospheric variables are: clt pr psl rlut rsds tas tasmax tasmin tdps uas vas Monthly atmos variables: al clt hfls hfss mrso pr psl rls rlut rsds rsdt rss rsut snld ta tas tasmax tasmin tdps uas vas zg

This dataset includes the ECMWF-IFS4 model output prepared for SPECS aerosols (1992-2012). These data were prepared by the European Centre for Medium-range Weather Forecasting (ECMWF), as part of the SPECS project. Model id is IFS4 (atmosphere: IFS4(20150701,CY42R1,N128TL255L91); ocean:NEMO3.4.1(L34E5,ORCA1_Z42,1°L42); seaice:N/A; MACC:N/A; land:CHTESSEL,ERA-Interim forcing, no lakes, no wave tiling (CY40R3, internal exp.id g3db, climate.v009); wave:WAM(CY42R1,1°); ozone:Cariolle(v2.9); climversion:climate.v012), forced with tropospheric sulphate climatology from HadGEM2-ES [Bellouin et al (2011): Aerosol forcing in the Climate Model Intercomparison Project (CMIP5) simulations by HadGEM2-ES and the role of ammonium nitrate, J. Geophys. Res., 116, D20206, doi:10.1029/2011JD016074] over different climate periods. frequency is daily and monthly. Daily Atmospheric variables are: clt pr psl rlut rsds tas tasmax tasmin tdps uas vas Monthly atmos variables: al clt hfls hfss mrso pr psl rls rlut rsds rsdt rss rsut snld ta tas tasmax tasmin tdps uas vas zg