The HYSPLIT Modeling System for Trajectory and Dispersion Applications

A public science seminar and hands-on workshop at ARSC will provide an in-depth introduction to HYSPLIT. HYSPLIT has applications for the movement of dust, smoke and volcanic ash, as well as other types of trajectory and dispersion applications.

The seminar is for a general scientific audience, and open to the public. The hands-on workshop is geared towards computational scientists seeking first-hand experience with HYSPLIT. Both are free, but the workshop requires pre-registration.

GENERAL SEMINAR

Tuesday, September 11
1:00pm in WRRB 010

Title: An Overview of the HYSPLIT Modeling System for Trajectory and Dispersion Applications

Abstract:

Roland Draxler of NOAA's Air Resources Laboratory will provide an overview of the HYSPLIT program as used in the analysis of meteorological data fields. HYSPLIT can be applied in a variety of computational scenarios, such as following the trajectory of a single particle through a wind field that varies in space and time or following the dispersive trajectories of many particles to predict the downwind concentration or deposition of a pollutant. In the adjoint application, HYSPLIT can be used to determine source regions that may have contributed to a measurement. Several real-world examples will be presented such as the transport of dust across the Pacific, the spread of smoke from wildfires, and modeling volcanic eruptions. No prior experience with HYSPLIT or meteorological data analysis is required.

WORKSHOP

Title: Installing and Running the HYSPLIT Modeling System

Wednesday, September 12 (9:00am - 5:00pm) and Thursday September 13 (1:00pm - 5:00pm)
WRRB 009 (ARSC Computer Classroom)

Please pre-register for this workshop.

Overview:

A two day training workshop will be offered by Roland Draxler from NOAA's Air Resources Laboratory on September 12th and 13th. During the first day, topics will include installing and/or compiling the model (PC and Mac executables will be provided), computational methods, obtaining and preparing meteorological data, trajectory uncertainties, the effects of vertical motion and terrain, trajectory cluster analysis, air concentration calculation methods, concentration probabilities, ensemble methods, source-attribution, and scripting for automated computations. The second day will be used to complete the agenda and revisit some of the topics in more detail depending upon the interests of the participants. A complete list of topics as presented during another recent workshop can be found at http://www.arl.noaa.gov/workshop/Spring2007/

The hands-on portion of the workshop allows you to run HYSPLIT and interact with sample data.

You may chose to run on ARSC's classroom Linux workstations, in which case you must either have an active ARSC account or bring proof-of-citizenship to the first day of class in order to obtain a tempoarary training account. Alternatively, you may use their own system (bring your own laptop), but you must have administrator access to that system.

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Arctic Region Supercomputing Center
PO Box 756020, Fairbanks, AK 99775 | voice: 907-450-8600 | email:

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