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    • University of Missouri-Columbia
    • Graduate School - MU Theses and Dissertations (MU)
    • Theses and Dissertations (MU)
    • Theses (MU)
    • 2004 Theses (MU)
    • 2004 MU theses - Freely available online
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    Application of a digital terrain model for forrest land classification and soil survey

    Fabian, Christopher J.
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    [PDF] research.pdf (46.57Mb)
    Date
    2004
    Format
    Thesis
    Metadata
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    Abstract
    Land characterization and classification is central to sound natural resource management. Forest land classifications usually lack sufficient detail, are not scale-adjustable, and are limited in scope and applications for the spectrum of relevant management decisions. Two alternatives for forest land classification have been proposed: a multifactor ecological land classification system (ECS) and a soil survey approach that is more geomorphic-based, comprehensive and forestry oriented than traditional classifications. Landforms influence important site factors, are easily observable features, and are relatively stabile in the landscape, so are a logical base for land classification systems. Geographic Information Systems (GIS) was used with Digital Elevation Models (DEM's) to produce Digital Terrain Models (DTM's) in the Missouri Ozarks. Terrain models produced from several DEM sources were evaluated for their accuracy in predicting slope, aspect and landforms on a 3691 ha area. The DEM's created from USGS hypsography were most accurate. Slope classes were correctly identified in 71.6% and aspect classes in 84.6% of observations. A rule-based approach to classifying landforms agreed with a field survey on 71.2% of the calibration site and 64.3% of the test site. A soil-geomorphic ecological approach using terrain modeling proved to be an accurate, consistent, efficient and cost-effective method.
    URI
    http://hdl.handle.net/10355/4107
    Degree
    M.S.
    Thesis Department
    Soil, environmental and atmospheric sciences (MU)
    Collections
    • 2004 MU theses - Freely available online
    • Soil, Environmental and Atmospheric Sciences electronic theses and dissertations (MU)
    • Special Education electronic theses and dissertations (MU)

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