======================= Impac-T Driving Dataset (IDD) Satoshi Watanabe stswata [at] sogo.t.u-tokyo.ac.jp ======================= version 14/02/2014 ver1.0 ======================= ------- 1: File name ------- ${GCM}_${RCP}/${RAN}/${VARIABLE}/${PERIOD}/${YEAR}/MMDD.dtn ${GCM}is GCM (currently 10 GCMs) bc1m bcc-csm1-1-m from China cae2 CanESM2 from Canada cnc5 CNRM-CM5 from France cs36 CSIRO-Mk3.6 from Australia ge2m GFDL-ESM2M from USA hg2e HadGEM2-ES from UK inc4 INM-CM4 from Russia ip5l IPSL-CM5A-LR from France mir5 MIROC5 from Japan mrc3 MRI-CGCM3 from Japan ${RCP}is RCP scenario (currently 2 RCPs) 4.5 8.5 ${RUN} is ensemble run (currently 1 run) r1i1p1 ${VARIABLE} is variable (10 variables) al albedo lr longwave radiation pr precipitaion ps surface pressure q0 specific humidity sr shortwave radiation ta surface temperature wa wind speed #The unit of each variable is the same as Impac-t Forcing Dataset (IFD), (that is T12,K10) ${PERIOD} is data period (currently 2 period) 2040-2059 2080-2099 -------- 2: Data format -------- Domein & Spatial Resolution 60*84 (5min, 1/12 deg) (97E,13N) to (102E,20N) simple binary file from South West to North East target domein 1925 grids (precipitaion, depend on T12) 4500 grids (other variables, depend on K10) other grids are filled with -9999 --------- 3: Method --------- Please refer watanabe et al. 2014 S Watanabe et al. 2014, Application of performance metrics to climate models for projecting future river discharge in the Chao Phraya River basin, Hydrological Research Letters 8(1), 33--38, doi: 10.3178/hrl.8.33 --------- 4: Version --------- Please use v2.1 unless you have any reason. Only precipitation is different between v2.0 and v2.1 v2.0 Monthly bias correction is conducted with the method using ratio *Equation S1 in Watanabe et al. (2014) is changed to ratio from difference v2.1 The bias crration method applied is the same as watanabe et al. (2014) The precipitaion of version 2.0 has some huge number in some grids because the ratio used to correct bias is large due to the large difference between gcm and obs data.