Click on “Download PDF” for the PDF version or on the title for the HTML version.

If you are not an ASABE member or if your employer has not arranged for access to the full-text, Click here for options.


Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan

Citation:  Paper number  022163,  2002 ASAE Annual Meeting . (doi: 10.13031/2013.10414) @2002
Authors:   G. J. Hanson, K. R. Cook, W. Hahn
Keywords:   Erosion, photography, digital images, measurements, embankment overtopping

Computer software exists for conducting image analysis but is often either cost prohibitive or very labor intensive to use. This paper describes a simple 2-D image-based technique used to conduct simple measurements photographically using software that would typically already be in use in an engineering office (i.e. CAD, image editing, and spreadsheet programs). The accuracy of using these measurements was evaluated. The standard error was 17 mm with a coefficient of determination of 1.0 for the linear regression. The overall mean absolute deviation of residuals was 18 mm and the maximum absolute residual was 52 mm. The application selected for this paper is the documentation of headcut location and breach width opening during an embankment overtopping test.

(Download PDF)    (Export to EndNotes)