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    Author(s): J. A. Larsen
    Date: 1925
    Source: Monthly Weather Review. 53(2): 60-63.
    Publication Series: Scientific Journal (JRNL)
    Station: Rocky Mountain Research Station
    PDF: Download Publication  (1.47 MB)


    In any fire-ridden forest region, such as north Idaho, there is great need for a tangible basis by which to judge the length and the intensity of the fire season in different forest types and at different elevations. The major and natural forest types, such as the western yellow pine forests, the western white-pine forests, and the subalpine forests occur in altitudinal zonations one above the other and are the result of differences in air temperature and precipitation which affect not only life, growth, and distribution, but the fire hazard as well. It follows, therefore, that in addition to the local and physical basis of classifying fire hazard, as determined by the quantity and quality of inflammable material in each forest type, we should be in a position to begin the laying of a climatic basis which will set forth and define the length and possibly the intensity of the fire season in various forest types.

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    Larsen, J. A. 1925. The forest fire season at different elevations in Idaho. Monthly Weather Review. 53(2): 60-63.


    forest fire, elevation, altitudinal zonations

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