Field Data Collection: Survey Points


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Figure 2: The two types of topographic surveys of the Sandy River near the site of Marmot Dam are shown overlain on a 2008 (post-removal) aerial photograph. The blue points are fixed cross sectional surveys, which have been repeated annually. The orange points are event-based topographic surveys that map out significant features such as water's edge, slope breaks, etc…; the dark orange lines connect points that trace common features. The black line is the former location of the dam.

Image 18304 is a 1791 by 3431 pixel WebP
Uploaded: Dec22 09


Last Modified: 2009-12-29 12:19:47
Permanent URL: https://serc.carleton.edu/download/images/18304/field_data_collection_remote.v2.webp

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Chuck Podolak, Johns Hopkins University
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