Handbook for Predicting Stream Meander Migration and Supporting Software (2004) / Chapter Skim
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Pages 26-29
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From page 26... ...
6.1 INTRODUCTION Factors such as human limitations, instrument imperfections, and instabilities in nature often render measured values inexact. There are many potential sources of error associated with maps and photos used in the comparison techniques and with the method, precision, and accuracy of the measurements.
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From page 27... ...
27 upon the map. In this class would come timber lines and soil boundaries, etc.
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From page 28... ...
identifiable geographic features or landmarks found on newer maps and photos, so finding identifiable landmarks that can be used as registration points may be difficult. In addition, the township, range, and section lines found on newer topographic maps, whose intersections could be used as registration points, may not be in the same location or may not be available on older maps.
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From page 29... ...
29 The second method requires the use of the edge of water at the outer bankline of the channel on the photo or map. This should provide a relatively close approximation of the outer bankline radius of curvature.
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