english:

 

 

                                 

 

 

The parameters Title1 and Title2 are character parameters of length 68, which are read as a single field from columns 13 to 80 of the input record.  The title information is taken as it appears in the runstream file without any conversion of lower case to upper case letters.  If the TITLETWO keyword is not included in the runstream file, then the second line of the title in the output file will appear blank.

 3.2.2 Dispersion Options

     The dispersion options are controlled by the MODELOPT keyword on the CO pathway.  The syntax, type, and order of the MODELOPT keyword are summarized below:

Syntax:

Short Term model:

 

CO MODELOPT  DFAULT CONC  DRYDPLT WETDPLT RURAL GRDRIS NOSTD NOBID NOCALM MSGPRO NOSMPL

                    DEPOS                  or                                      or

                    DDEP                  URBAN                                  NOCMPL

                   and/or

                    WDEP

Long Term model 

CO MODELOPT  DFAULT CONC  DRYDPLT         RURAL GRDRIS NOSTD NOBID

                    DEPOS                  or

                     or                   URBAN

                    DDEP

Type:

Mandatory, Non‑repeatable

Order:

Must precede POLLUTID, HALFLIFE and DCAYCOEF

where the secondary keyword parameters are described below (the order and spacing of these parameters is not critical):

DFAULT ‑     Specifies that the regulatory default options will be used;

CONC ‑       Specifies that concentration values will be calculated;

DEPOS ‑      Specifies that total deposition flux values (both dry and wet) will be calculated for Short Term and dry deposition flux values for Long Term;

DDEP ‑       Specifies that dry deposition flux values only will be calculated (same as DEPOS for Long Term);

WDEP ‑       Specifies that wet deposition flux values only will be calculated (Short Term only);

DRYDPLT ‑    Specifies that plume depletion due to dry removal mechanisms will be included in calculations;

WETDPLT ‑    Specifies that plume depletion due to wet removal mechanisms will be included in calculations (Short Term only);

RURAL ‑      Specifies that rural dispersion parameters will be used;

URBAN ‑      Specifies that urban dispersion parameters will be used;

GRDRIS ‑     Specifies that the non‑default option of gradual plume rise will be used;

NOSTD ‑      Specifies that the non‑default option of no stack‑tip downwash will be used;

NOBID ‑      Specifies that the non‑default option of no buoyancy‑induced dispersion will be used;

NOCALM ‑     Specifies that the non‑default option to bypass the calms processing routine will be used (Short Term only);

MSGPRO ‑     Specifies that the non‑default option of the missing data processing routine will be used (Short Term only);

NOSMPL ‑     Specifies that no simple terrain calculations will be made, i.e., uses COMPLEX1 algorithms only (Short Term only);

NOCMPL ‑     Specifies that no complex terrain calculations will be made, i.e., uses ISCST algorithms only (Short Term only).

 

 

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  APLICACIONES castellano: DIS CUS DES  RAD   english: DIS CUS DES RAD  

 

 português: DIS CUS DES RAD   italiano:   DIS CUS  DES RAD

 

français:  DIS CUS DES RAD