Search found 30 matches

by rotendd
July 20th, 2017, 3:04 pm
Forum: Dispersion Model
Topic: Gaussian/Top Hat model parameters
Replies: 16
Views: 9071

Re: Gaussian/Top Hat model parameters

Thanks for the advice! My overall goal is to model the emissions from a powerplant stack and incorporate the following: All of the stacks present The height of each stack the diameter of each stack the exit velocity (Briggs eqn method) of each stack All for a 24 hour period. To the best of my knowle...
by rotendd
July 18th, 2017, 3:25 pm
Forum: Dispersion Model
Topic: Gaussian/Top Hat model parameters
Replies: 16
Views: 9071

Re: Gaussian/Top Hat model parameters

Oops! Let me try attaching again. These are the CONTROL, EMITIMES, and MESSAGE files from my latest run. I tried reducing the number of puffs emitted but it didn't help.

My latest error is in the MESSAGE file.

Thanks!
by rotendd
July 14th, 2017, 12:26 pm
Forum: Dispersion Model
Topic: Gaussian/Top Hat model parameters
Replies: 16
Views: 9071

Gaussian/Top Hat model parameters

Greetings, I am trying to run a dispersion with a Gaussian/Top Hat model but one of two things goes wrong: 1.) I get a message in the WARNING file stating: "puff splitting turned off ... expand MAXPAR or increase merge parameters in CFG namelist file." 2.) After changing the Puff Split-Merge Options...
by rotendd
July 13th, 2017, 2:44 pm
Forum: Dispersion Model
Topic: hycs_std
Replies: 6
Views: 3220

Re: hycs_std

Ah! It turns out that I had an incorrect parameter in my ASCDATA.CFG file that I did not notice. It appears to correctly reading the body files now. Occasionally, I get a warning "metinp". I believe some data are missing from the bdyfiles0p5 files? I stumbled upon a forum post addressing this some t...
by rotendd
June 29th, 2017, 2:54 pm
Forum: Dispersion Model
Topic: hycs_std
Replies: 6
Views: 3220

Re: hycs_std

Great! This will speed up my work! I am running into a bit of a problem. In the ASCDATA.CFG file, I have the correct path to the bdyfiles0p5 directory but I keep getting the following error in the MESSAGE file: ------------- Start computation messages ------------------- NOTICE advrng: (kg ,xyr,xy1)...
by rotendd
June 28th, 2017, 4:29 pm
Forum: Dispersion Model
Topic: hycs_std
Replies: 6
Views: 3220

Re: hycs_std

I appreciate the recommendation but in my situation, it would be very helpful for me to have all of these file in a common directory (the hycs_std file included). Would this still work as expected?
by rotendd
June 28th, 2017, 2:56 pm
Forum: Dispersion Model
Topic: hycs_std
Replies: 6
Views: 3220

hycs_std

The HYSPLIT User's Guide mentions the "hycs_std" executable file but there are others with similar names in the "exec" directory. I would like to run the HYSPLIT model directly from the "hycs_std" executable while incorporating SETUP.CFG/CONC.CFG, ASCDATA.CFG, and EMITIMES. All of these are in the r...
by rotendd
June 6th, 2017, 5:13 pm
Forum: Dispersion Model
Topic: "Behind the Scenes" of the EMITIMES file
Replies: 3
Views: 2264

Re: "Behind the Scenes" of the EMITIMES file

Great! Thanks! Can you also describe where/how the emission area (m^2) is incorporated?
by rotendd
June 5th, 2017, 4:35 pm
Forum: Dispersion Model
Topic: "Behind the Scenes" of the EMITIMES file
Replies: 3
Views: 2264

"Behind the Scenes" of the EMITIMES file

Hi all, I was wondering if anyone could point me in the direction of some documentation about how the values of release height , release area , and heat release are incorporated into the model. I have a few technical documents regarding how HYSPLIT performs various calculations and processes meteoro...
by rotendd
February 27th, 2017, 7:25 pm
Forum: Dispersion Model
Topic: Looping a Complex Emission
Replies: 5
Views: 1960

Re: Looping a Complex Emission

Once again, I have another question. My specific project involves the modeling of the dispersion from a large stack. Using the control file, I can input the obvious parameters (lat, lon, height(AGL), rate(mass/hr), area(m^2)) but all of the data pertaining to the stack of interest contains only exit...