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Water 2016, 8(10), 419; doi:10.3390/w8100419

Initial Quantification of Suspended Sediment Loads for Three Alaska North Slope Rivers

1
Central Yukon Field Office, Bureau of Land Management, Fairbanks, AK 99709, USA
2
Civil and Environmental Engineering Department, University of Alaska Fairbanks, Fairbanks, AK 99775-5900, USA
*
Author to whom correspondence should be addressed.
Academic Editor: Clelia Luisa Marti
Received: 22 July 2016 / Revised: 6 September 2016 / Accepted: 15 September 2016 / Published: 23 September 2016
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Abstract

This study provides an initial assessment of suspended sediment transport in three rivers on the Alaska North Slope. From 2011 to 2013, the Anaktuvuk (69°27′51.00′′ N, 151°10′07.00′′ W), Chandler (69°17′0.30′′ N, 151°24′16.14′′ W), and Itkillik (68°51′59.46′′ N, 150°2′24.00′′ W) Rivers were monitored for a variety of hydrologic, meteorologic, and sedimentologic characteristics. Watershed response to summer precipitation events was examined for each river. Bed sediment grain-size distribution was calculated using a photographic grid technique. Mean sediment diameters were 27.1 and 41.5 mm (Samples A and B) for the Chandler, 35.8 mm for the Anaktuvuk, and 65.0 mm for the Itkillik. Suspended sediment rating curves were developed for each river. Suspended sediment discharge was analyzed. In 2011 and 2013, most of the total annual suspended sediment transport occurred during spring melt and widespread rainfall events, respectively. The results show that each river reacts differently to environmental inputs such as rain and basin characteristics. View Full-Text
Keywords: arctic rivers; suspended sediment load; breakup arctic rivers; suspended sediment load; breakup
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Lamb, E.; Toniolo, H. Initial Quantification of Suspended Sediment Loads for Three Alaska North Slope Rivers. Water 2016, 8, 419.

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