Estimation and propagation of error in measurements of river channel movement from aerial imagery

Nicholas Mount, John Louis

    Research output: Contribution to journalArticlepeer-review

    36 Citations (Scopus)

    Abstract

    Rates of river channel migration or widening are only valid if it can be demonstrated that the amount of change in the measured parameters exceeds the measurement errors. However, it is still uncommon to see estimates of errors presented alongside rates of river channel change measured from aerial photography. Here, detailed methods are presented for the estimation of errors in quantifying channel migration rates that can be easily applied to GIS-based analysis of planform change. In addition, the impact of relaxing assumptions regarding error independence between image dates and systematic registration errors is presented and discussed. Copyright © 2005 John Wiley & Sons, Ltd.
    Original languageEnglish
    Pages (from-to)635-643
    Number of pages9
    JournalEarth Surface Processes and Landforms
    Volume30
    Issue number5
    DOIs
    Publication statusPublished - 2005

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