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Wrangell-St. Elias National Park and Preserve, Alaska.

River Engineering and Geomorphology

Leveraging a diverse array of numerical models and physical model laboratories, we tackle complex hydraulic issues effectively. Our studies offer invaluable insights into the evolution, stability, and behavior of rivers and estuaries, essential for designing sustainable engineering works and managing river systems. From analyzing the hydraulics of diverse natural channels, including the world’s largest rivers to urban streams, to addressing natural hazards like flooding, erosion, and deposition, our comprehensive approach ensures thorough risk assessment. Moreover, our expertise extends to restoring and enhancing degraded channels impacted by human activity or natural events, further exemplifying our capabilities at NHC.

Services Provided

 

  • Physical modeling
  • Monitoring and modeling stream flows
  • Hydrologic and hydraulic design criteria
  • Hydrometric monitoring services
  • Identifying and quantifying sediment sources
  • Investigating and classifying stream morphology
  • Evaluating stream stability and processes

 

  • Analyzing historical trends, and geomorphic mapping
  • Identifying channel banks and floodplain areas
  • Evaluating channel and floodplain morphology/processes on aquatic/riparian habitats
  • Developing restoration concepts
  • Predicting future watershed and stream conditions

Relevant Experience

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Yukon River Bank Stabilization Project

NHC was recently retained to complete the design of a revetment extension to protect the community of Galena, Alaska from progressive bank erosion on the Yukon River. The project included…
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Ed Zapel

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Susitna-Watana Hydroelectric Project Review Services

NHC was one of several firms selected to provide technical support to the U.S. Fish & Wildlife Service (USFWS) and the National Oceanic and Atmospheric Administration National Marine Fisheries Service…
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Ed Zapel

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Bullen Point Road Design

NHC chronicled the ice breakup characteristics of 4 major rivers and 7 unnamed tributaries in support of the Bullen Point Road design project on the North Slope of Alaska. This…
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Erik Rowland

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206.241.6000

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Seattle, WA

City of Valdez River Engineering - Sediment Budget Analysis, Sediment Management, and Bank Protection

The City of Valdez is built on the floodplains, deltas, and alluvial fans of three highly dynamic braided river systems that drain the surrounding rugged alpine terrain. Management of these…
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Andrew Nelson

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206.241.6000

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Bellingham, WA

Coal Creek Drive Bank Protection

Coal Creek Drive ends at the Cowlitz River northeast of the town of Packwood. Since 2003, the river has eroded approximately 80-150 feet into the left bank, including the roadway,…
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Erik Rowland

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206.241.6000

Contact Erik

Seattle, WA

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