Using oblique digital photography for alluvial sandbar monitoring and low-cost change detection

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Abstract

The maintenance of alluvial sandbars is a longstanding management interest along the Colorado River in Grand Canyon. Resource managers are interested in both the long-term trend in sandbar condition and the short-term response to management actions, such as intentional controlled floods released from Glen Canyon Dam. Long-term monitoring is accomplished at a range of scales, by a combination of annual topographic survey at selected sites, daily collection of images from those sites using novel, autonomously operating, digital camera systems (hereafter referred to as 'remote cameras'), and quadrennial remote sensing of sandbars canyonwide. In this paper, we present results from the remote camera images for daily changes in sandbar topography.
Publication type Conference Paper
Publication Subtype Conference Paper
Title Using oblique digital photography for alluvial sandbar monitoring and low-cost change detection
Year Published 2015
Language English
Publisher Joint Federal Interagency Conference
Contributing office(s) Southwest Biological Science Center
Description 7 p.
First page 79
Last page 85
Conference Title 3rd Joint Federal Interagency Conference
Conference Location Reno, NV
Conference Date April 19-23, 2015
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