Identifying stressed and potentially unstable trees by aerial photography on Ohio’s highways : executive summary.
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Identifying stressed and potentially unstable trees by aerial photography on Ohio’s highways : executive summary.

Filetype[PDF-56.78 KB]


  • English
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    Details:

    • Creators:
    • Corporate Creators:
      Ohio. Dept. of Transportation
    • Subject/TRT Terms:
    • Resource Type:
      Tech Report
    • Geographical Coverage:
      Ohio
    • Edition:
      Executive summary.
    • Corporate Publisher:
      Ohio. Dept. of Transportation
    • Abstract:
      Trees are valuable assets and potential liabilities in a man dominated situations such as along Ohio’s highways. While trees are often long-lived, they must decline and die like any other living thing. Decline may be nearly instantaneous as in a lightning strike but a major tree normally declines over one to two decades. The key is to identify declining trees and prune, maintain, or remove them before public safety is compromised. The primary objective of this study was to begin the process to identify stressed or declining trees using aerial photography. After stressed or declining trees were identified, cost effective means of automating the process could be developed. Theoretically, stressed or declining trees can be recognized automatically in multispectral/hyperspectral imagery by analyzing the spectral signatures. This study aimed at obtaining multispectral imagery and to test the feasibility of identifying declining trees in a known area (the Shade Tree Evaluation Plot in Wooster, OH).
    • Format:
      PDF
    • Funding:
      State Job no. 14613(0)
    • Collection(s):
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