Search found 433 matches
- December 1st, 2023, 10:19 am
- Forum: Radiological
- Topic: emission rate (CONTROL) and EMITIMES file
- Replies: 1
- Views: 82306
Re: emission rate (CONTROL) and EMITIMES file
Yes, if you are using an emit-times file then we recommend setting the emission rates in the CONTROL file to 0. If you are getting no concentrations then your emit-times file either isn't being read or isn't setup properly. If you look at the message file, you should see a line which indicates that ...
- December 1st, 2023, 10:15 am
- Forum: General questions on meteorological data needed for HYSPLIT
- Topic: ARL converted data issue
- Replies: 2
- Views: 69159
Re: ARL converted data issue
the message is saying that your starting point is not within the domain of your meteorological file.
What is the domain of your meteorological file? does it cover your starting point?
What is the domain of your meteorological file? does it cover your starting point?
- December 1st, 2023, 10:12 am
- Forum: Dispersion Model
- Topic: Grid definition
- Replies: 1
- Views: 54889
Re: Grid definition
It would help to see your CONTROL file.
From your error message it looks like you are setting the model top to 1 and not 1000, which is below your release height of 100m.
https://www.ready.noaa.gov/hysplitusersguide/S310.htm
Please attach or copy your CONTROL file if you continue to have problems.
From your error message it looks like you are setting the model top to 1 and not 1000, which is below your release height of 100m.
https://www.ready.noaa.gov/hysplitusersguide/S310.htm
Please attach or copy your CONTROL file if you continue to have problems.
- December 1st, 2023, 10:05 am
- Forum: Dispersion Model
- Topic: what is the unit of the mass mentioned in PARINIT/PARDUMP
- Replies: 1
- Views: 52294
Re: what is the unit of the mass mentioned in PARINIT/PARDUMP
The mass unit is user specified when the emission rate is set. See the user guide. 12(2)- Emission rate (per hour) Default: 1.0 Mass units released each hour. Units are arbitrary except when specific chemical transformation subroutines are associated with the calculation. Output air concentration un...
- November 30th, 2023, 9:58 am
- Forum: Dispersion Model
- Topic: Extracting data at specific location
- Replies: 3
- Views: 92230
Re: Extracting data at specific location
Can you make sure that the concentrations aren't zero for the location you are specifying? One thing in particular to look at is the height index to make sure you are extracting concentrations at the correct height. Look at how you set up the vertical levels and make sure that you are trying to get ...
- October 5th, 2023, 7:24 am
- Forum: Users
- Topic: Guidance on multiple point sources with continuous processes
- Replies: 1
- Views: 56953
Re: Guidance on multiple point sources with continuous processes
When transitioning from using the GUI to using scripting the following may help you. For scripting, the main flow of work is. 1. write the CONTROL file 2. if using write the SETUP.CFG file. 3. if using write the EMITIMES file 4. call the hysplit executable you are using (hycs_std for dispersion, hyt...
- September 22nd, 2023, 9:58 am
- Forum: Dispersion Model
- Topic: create PARDUMP file using terminal
- Replies: 1
- Views: 51574
Re: create PARDUMP file using terminal
If you click the penguin at the top of the tutorial page it will download a bash script that will write the control, setup and emitimes file. Here is the part for writing the setup file. echo "&SETUP " >SETUP.CFG echo "initd = 0, " >>SETUP.CFG echo "numpar = 15000, " >>SETUP.CFG echo "maxpar = 20000...
- September 21st, 2023, 8:52 am
- Forum: HYSPLIT on the READY Server
- Topic: Vertical Velocity Options
- Replies: 2
- Views: 86374
Re: Vertical Velocity Options
These publications may give you some additional context for the different vertical velocity options. As vertical velocity is now widely available from the meteorological models, this is the option that is utilized for most applications. https://agupubs.onlinelibrary.wiley.com/doi/abs/10.1029/95JD037...
- September 13th, 2023, 8:13 am
- Forum: Dispersion Model
- Topic: Vehicle emission concentration
- Replies: 5
- Views: 25487
Re: Vehicle emission concentration
1. Usually people setup some sort of script to write the emitimes file. Yes you need to specify all 10,000 points. You could split it up into a few runs - e.g. 10 runs with 1000 points each. 2. The species or pollutant gives information about the substance you are modeling. See the following links. ...
- September 7th, 2023, 11:50 am
- Forum: Dispersion Model
- Topic: Vehicle emission concentration
- Replies: 5
- Views: 25487
Re: Vehicle emission concentration
It looks like you are missing the DURATION column. I added a duration of 12 h for the release below in bold. If you want a release time of only 1 h it would be 0100. If you want a release time of 5 minutes it would be 0005. Also, your release height is 0 m which probably isn't what you want. YYYY MM...