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HYSPLIT Model Updates
Highlights of Recent Updates
March 2012 Revision (299)
- Most changes since V265 were minor addressing a variety of issues ...
- Added GUI option to batch process ensemble simulations for performance statistics
- Solved issue with labeling of Google Earth KMZ files for concentration plotting
- Created FTP log file to document problems that may occur with data transfers
- Fixed problem associated with adding concentration files together near the prime meridian
- Closed the particle input file after reading so the same file can be used for output
- Added a new namelist option to turn on or off radioactive decay of deposited material
November 2011 Revision (265)
- Added specific humidity and mixing ratio as output options for trajectories
- New program to map model performance statistics
- Modified compuation of KSP to exclude zero measured-predicted
- When using time averaged velocity fields for transport turn off interpolation
- Added additional data sets to forecast download menu
- Using updated installer/uninstaller to eliminate false positive virus detections
July 2011 Revision (225)
- The default in-cloud particle wet removal coefficient was reduced
- When multiple species are defined on one particle, gravitational settling only occurs on last
- Spatial interpolation of the precipitation field for wet removal calculations is turned off
- Wet removal only occurs when both precipitation and clouds are defined in the same grid cell
- Definitions for the cloud bottom and top have been moved to the namelist file
- The hourly particle number release rate can now be defined explicitly
- The local time zone can be shown in the concplot label rather than UTC
- Corrections to KML files to define contours that span the International Dateline
- The testing script was updated to include the simulation of CAPTEX release two
- Utility and plotting programs were updated to permit plotting of data points in DATEM format
- The WRF-ARL decoder was corrected to handle extra user defined 3D variables
February 2011 Revision (157)
- Changed version naming convention to use SVN (version control) revision number
- Added the SVN revision number to MESSAGE file and trajectory/concentration plotting pgms
- Permit definition of a vertical line source in EMITIMES file
- Randomized particle position during emission for vertical line sources and area sources
- Generalized input of /bdyfiles files to automatically determine EOL character sequence
- AFWA decoder can now handle Lambert, Mercator, or Polar projections
- Raised the limit meteorological /directory/file names from 80 characters to 256 each
- Also added a new namelist field (MESSG) to define the base name of the MESSAGE file
- New namelist option to create a Log-normal particle size distribution in multiple sub-bins
- Added grib1 decoding for UK meteorological office files
- New residence time option to trajectory frequency program
- New default color table options for concplot and the option for a user defined color table
- Modified horizontal puff dispersion rate to be more consistent with particle dispersion
- Longer-range horizontal square-root puff growth rate replaced by empirical function
- Change to use Kantha-Clayson as default turbulence when TKE field is missing
- Ensemble cleanup script added to GUI
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