Showing 1 - 3 results of 3 for search '"western United States"', query time: 0.10s Refine Results
  1. 1

    Classifying Large Wildfires in the United States by Land Cover by Brice B. Hanberry

    Published 2020-09-01
    “…Using random forests, extreme gradient boosting, and c5.0 classifiers, I modeled all fires, first years (1999 to 2002), last years (2014 to 2017), the eastern, central, and western United States and seven ecoregions. The three classifiers performed well (true positive rates 0.82 to 0.94) at modeling all fires and fires by year, region, and ecoregion. …”
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  2. 2

    Historical forests of the Black Hills, South Dakota, USA, determined using General Land Office surveys by Robert E. Tatina, Brice B. Hanberry

    Published 2022-11-01
    “…Forests in the western United States generally have increased in tree density since Euro-American settlement, particularly through increases in fire-sensitive species, such as spruces, firs, and junipers. …”
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  3. 3

    Discovering Douglas-Fir Woodlands in the Historical Forests of Umatilla National Forest, Eastern Oregon and Washington by Brice B. Hanberry, Donald C. Justice, David C. Powell

    Published 2020-10-01
    “…Historical ponderosa pine forests of the western United States are transitioning to denser forests comprised of a greater proportion of fire-sensitive species, including true firs. …”
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