1 2 3 SUBROUTINE PDEPG(XARG) 4 !*********************************************************************** 5 ! PDEPG Module of AERMOD Model 6 ! 7 ! PURPOSE: Calculates Deposition Adjustment Factors from DEPLETE 8 ! for Gases 9 ! 10 ! PROGRAMMER: R. W. Brode, MACTEC/PES, Inc. 11 ! 12 ! DATE: September 29, 2003 13 ! 14 ! INPUTS: 15 ! 16 ! 17 ! OUTPUTS: 18 ! 19 ! 20 ! CALLED FROM: 21 !*********************************************************************** 22 23 ! Variable Declarations 24 USE MAIN1 25 IMPLICIT NONE 26 CHARACTER MODNAM*12 27 28 SAVE 29 REAL :: XARG 30 31 ! Variable Initializations 32 MODNAM = 'PDEPG' ! 0 33 34 ! Initialize source depletion factors to unity. 35 DQCORG = 1.0 36 WQCORG = 1.0 37 ! Determine factor for dry depletion 38 IF ( DDPLETE ) CALL DEPLETE(VDEPG,XARG,ROMBERG,DQCORG) 39 ! Determine source depletion factor 40 ! from wet removal (GASES) 41 ! Simple Terrain Model 42 IF ( WDPLETE .AND. GSCVRT.GT.0.0 ) WQCORG = EXP(-GSCVRT*XARG/US) 43 44 CONTINUE 45 END
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