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Typical day Meteorological Data for Atmospheric Transport and Dispersion (ATD) modeling

Award Information
Agency: Department of Defense
Branch: Defense Threat Reduction Agency
Contract: HDTRA1-06-P-0082
Agency Tracking Number: RDI060003363
Amount: $99,974.00
Phase: Phase I
Program: SBIR
Solicitation Topic Code: DTRA06-004
Solicitation Number: 2006.1
Solicitation Year: 2006
Award Year: 2006
Award Start Date (Proposal Award Date): 2006-06-09
Award End Date (Contract End Date): 2006-12-08
Small Business Information
185 Jordan Rd
Troy, NY 12180
United States
HUBZone Owned: No
Woman Owned: No
Socially and Economically Disadvantaged: No
Principal Investigator
 John W Zack
 (518) 283-5169
Business Contact
 John Zack
Title: President
Phone: (518) 283-5169
Research Institution

The atmospheric transport and dispersion (ATD) model requirements for describing the environmental conditions that are most likely to occur on any given day, called the "typical day", are very unique. The model requirements are unique because the typical day requirements for ATD must be both typical in representing the most likely occurring condition of each variable and be mass-balanced across the domain of interest. This proposal is designed to address the typical day needs of military and civilian ATD model users so they can prepare more intelligently for toxic agent plume dispersion scenarios. Currently, ATD model users utilize gridded data from the 15th and 16th of each month from historical archives as meteorological input. This meets the mass balance requirement, but does not meet the most representative dispersion day requirement. The proposed work would investigate the use of four possible methods for selecting typical day data. The deliverable of the proposed work will be (1) a typical day selection method that works within the current concept of DoD operations, (2) information that gives the user an understanding of what the typical day data represents, and (3) a report documenting the details of the methods and research results.

* Information listed above is at the time of submission. *

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