*************************************************************************************************************** * * * Input file for the Lagrangian particle dispersion model FLEXPART * * Please select your options * * * *************************************************************************************************************** &COMMAND LDIRECT= 1, ! Simulation direction in time ; 1 (forward) or -1 (backward) IBDATE= 20120101, ! Start date of the simulation ; YYYYMMDD: YYYY=year, MM=month, DD=day IBTIME= 060000, ! Start time of the simulation ; HHMISS: HH=hours, MI=min, SS=sec; UTC IEDATE= 20120101, ! End date of the simulation ; same format as IBDATE IETIME= 120000, ! End time of the simulation ; same format as IBTIME LOUTSTEP= 3600, ! Interval of model output; average concentrations calculated every LOUTSTEP (s) LOUTAVER= 3600, ! Interval of output averaging (s) LOUTSAMPLE= 900, ! Interval of output sampling (s), higher stat. accuracy with shorter intervals ITSPLIT= 99999999, ! Interval of particle splitting (s) LSYNCTIME= 900, ! All processes are synchronized to this time interval (s) CTL= -5.0000000, ! CTL>1, ABL time step = (Lagrangian timescale (TL))/CTL, uses LSYNCTIME if CTL<0 IFINE= 4, ! Reduction for time step in vertical transport, used only if CTL>1 IOUT= 1, ! Output type: [1]mass 2]pptv 3]1&2 4]plume 5]1&4, +8 for NetCDF output IPOUT= 0, ! Particle position output: 0]no 1]every output 2]only at end LSUBGRID= 0, ! Increase of ABL heights due to sub-grid scale orographic variations;[0]off 1]on LCONVECTION= 0, ! Switch for convection parameterization;0]off [1]on LAGESPECTRA= 0, ! Switch for calculation of age spectra (needs AGECLASSES);[0]off 1]on IPIN= 0, ! Warm start from particle dump (needs previous partposit_end file); [0]no 1]yes IOUTPUTFOREACHRELEASE= 0, ! Separate output fields for each release in the RELEASE file; [0]no 1]yes IFLUX= 0, ! Output of mass fluxes through output grid box boundaries MDOMAINFILL= 0, ! Switch for domain-filling, if limited-area particles generated at boundary IND_SOURCE= 1, ! Unit at source ; [1]mass 2]mass mixing ratio IND_RECEPTOR= 1, ! Unit at receptor; [1]mass 2]mass mixing ratio 3] wet depo. 4] dry depo. MQUASILAG= 0, ! Quasi-Lagrangian mode to track individual numbered particles NESTED_OUTPUT= 1, ! Output also for a nested domain LINIT_COND= 0, ! Output sensitivity to initial conditions (bkw mode only) [0]off 1]conc 2]mmr SURF_ONLY= 0, ! Output only for the lowest model layer, used with LINIT_COND>0 CBLFLAG= 0, ! Skewed, not Gaussian turbulence in the convective ABL, need large CTL and IFINE OHFIELDS_PATH= "../../flexin/", ! Default path for OH file /