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    Detection of phenological change in cultivated and uncultivated vegetation with multispectral video

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    Author
    Kliman, Douglas Hartley
    Issue Date
    1987
    Keywords
    Phenology -- Arizona -- Palo Verde Nuclear Generating Station Region.
    Vegetation dynamics -- Arizona -- Palo Verde Nuclear Generating Station Region.
    Nuclear power plants -- Environmental aspects -- Arizona.
    Palo Verde Nuclear Generating Station (Ariz.)
    Advisor
    Reeves, Richard W.
    
    Metadata
    Show full item record
    Publisher
    The University of Arizona.
    Rights
    Copyright © is held by the author. Digital access to this material is made possible by the University Libraries, University of Arizona. Further transmission, reproduction or presentation (such as public display or performance) of protected items is prohibited except with permission of the author.
    Abstract
    Multispectral video (MSV) images were used to measure phenological changes in cultivated and uncultivated vegetation communities surrounding the Palo Verde Nuclear Generating Station (PVNGS). Multispectral video imagery was acquired from aircraft on seven dates between the middle of June and the end of September, 1986. Images representing three sites near the PVNGS were selected to calculate Ratio Vegetation Index (RVI) values for seven surface cover types. Mean RVI values were tested sequentially for change, plotted as a function of time, and then compared to a moisture index and the crop calendar. MSV detected changes in cultivated vegetation corresponding to the crop calendar. Changes in natural vegetation and the non-vegetated cover types were also detected, but did not correlate to the moisture index. There is insufficient evidence to determine if detected changes in uncultivated vegetation were the result of phenological changes or electronic noise.
    Type
    text
    Thesis-Reproduction (electronic)
    Degree Name
    M.A.
    Degree Level
    masters
    Degree Program
    Graduate College
    Geography and Regional Development
    Degree Grantor
    University of Arizona
    Collections
    Master's Theses

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