STP1460

    Predicted Deposition Variability Due to Fluctuations in Release Height and Drop Size Distribution

    Published: Jan 2005


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    Abstract

    An extensive field study has been undertaken to quantify the aerial release of spray material through the changes in meteorology as the day progresses. An important subset of these collected data is one-second interval data of the aircraft behavior and the mechanical release systems. These unique data provide an excellent source of information on bounding the variability in the expected deposition patterns, and how this variability might impact any error bounds established around the time-averaged predictions generated by the AGDISP model. This paper quantifies the variability in aerial application parameters and makes suggestions with regard to possible implications of this variability on the variability of deposition predictions in the flight line direction.

    Keywords:

    aerial spraying, deposition, flight line variability, modeling


    Author Information:

    Teske, ME
    Senior Associate, Continuum Dynamics, Inc., Ewing, NJ

    Thistle, HW
    Program Manager, USDA Forest Service, Morgantown, WV

    Reardon, RC
    Program Manager, USDA Forest Service, Morgantown, WV

    Cormier, G
    Information Services Manager, Forest Protection Limited, Fredericton, NB

    Amirault, P
    Operations Manager, Forest Protection Limited, Fredericton, NB

    Davies, DC
    General Manager, Forest Protection Limited, Fredericton, NB

    Cameron, RS
    Forest Health Manager, International Paper, Savannah, GA

    Dorr, G
    Senior Research Assistant, University of Queensland, Gatton, Queensland

    Hewitt, AJ
    Senior Research Officer, University of Queensland, Gatton, Queensland,

    Brown, JR
    Division Chief, ERMD/Mosquito Control Division, Jacksonville, FL

    LeClerc, MY
    Professor, Laboratory for Environmental Physics, University of Georgia, Griffin, GA

    Karipot, A
    Assistant Research Scientist, Laboratory for Environmental Physics, University of Georgia, Griffin, GA


    Paper ID: STP11980S

    Committee/Subcommittee: E35.22

    DOI: 10.1520/STP11980S


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