english:

 

 

                                 

 

 

 

     The only remaining mandatory keywords for the CO pathway are RUNORNOT and FINISHED.  We will set the RUNORNOT switch to RUN for this example.  If a user is unsure about the operation of certain options, or is setting up a complex runstream file to run for the first time, it may be desirable to set the model NOT to run, but simply to read and analyze the input file and report any errors or warning messages that are generated.  Once the input file has been debugged using these descriptive error/warning messages, then the RUNORNOT switch can be set to RUN, avoiding a possible costly waste of resources generating erroneous results.  Even if the model is set NOT to run, all of the inputs are summarized in the output file for the user to review.

     Our complete runstream file for the CO pathway may look something like this:

CO STARTING

CO TITLEONE A Simple Example Problem for the ISCST2 Model

CO MODELOPT  DFAULT  RURAL  CONC

CO AVERTIME  3  24  PERIOD

CO POLLUTID  SO2

CO RUNORNOT  RUN

CO FINISHED

6

The following set of runstream images has a more structured look, but it is equivalent to the example above:

CO STARTING

   TITLEONE A Simple Example Problem for the ISCST2 Model

   MODELOPT  DFAULT  RURAL  CONC

   AVERTIME  3  24  PERIOD

   POLLUTID  SO2

   RUNORNOT  RUN

CO FINISHED

7

Since the pathway ID is required to begin in column 1 (see Section 2.4.8 for a discussion of this restriction), the model will assume that the previous pathway is in effect if the pathway field is left blank.  The model will do the same for blank keyword fields, which will be illustrated in the next section.

 

 

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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