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    Author(s): Bill C. Ryan
    Date: 1976
    Source: Res. Note PSW-RN-320. Berkeley, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station. 6 p
    Publication Series: Research Note (RN)
    Station: Pacific Southwest Research Station
    PDF: View PDF  (595 KB)

    Description

    The ability to determine wind speeds and directions in the first few thousand meters of the atmosphere is important in many forestry operations such as smolce management, aircraft seeding and spraying, prescribed burning, and wildfire suppression. A hand-held electronic calculator can be used to compute winds aloft as balloon observations are taken. Calculations can be made in the field with any calculator with trigonometric functions, programmable or nonprogrammable, by the method described.

    Publication Notes

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    • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

    Citation

    Ryan, Bill C. 1976. Field computation of winds-aloft velocities from single theodolite pilot balloon observations. Res. Note PSW-RN-320. Berkeley, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station. 6 p

    Keywords

    wind velocity, wind directions, electronic calculations, forest meteorology

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