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National Water Level Observation Network (NWLON) Overview

National Water Level Observation Network (NWLON) Overview. Richard Edwing, Director Center for Operational Oceanographic Products and Services (CO-OPS) 2018 Hydrographic Services Review Panel Water Levels Partnership Session Juneau, AK August 2018. Water Level Observations.

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National Water Level Observation Network (NWLON) Overview

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  1. National Water Level Observation Network (NWLON) Overview Richard Edwing, Director Center for Operational Oceanographic Products and Services (CO-OPS) 2018 Hydrographic Services Review Panel Water Levels Partnership Session Juneau, AK August 2018

  2. Water Level Observations National Water Level Observation Network (NWLON) • Monitor water level, air and water temperature, wind speed/direction, barometric pressure. • Long-term data series to establish vertical reference system (datums) and trends 210 NWLON Stations Center for Operational Oceanographic Products and Services

  3. NWLON in Alaska 27 NWLON stations in Alaska* 10 of which located in the Arctic* Nationwide: 111 NWLON gaps along coasts; 3 in Great Lakes 32 gaps in Alaska, the majority (21) being in the Arctic *Including the Port Moller Station which was destroyed in a fire

  4. Historic Data 242 historic locations with datums, predictions and data Uncertainty of short term data series significantly reduced through comparison with long term stations Oldest: Attu, Massacre Bay June 1943 to May 1944

  5. Approaches in the Arctic Anchorage Red Dog Dock Prudhoe Bay

  6. Infrastructure-Free, Real-Time Water Level Measurement System (Hermit)

  7. Partnerships to NWLON Standards • NOAA Navigation Services – hydrographic and Vdatum surveys • NOAA Office for Coastal Management • Homer, Gambel, and Quigillingok • NOAA National Weather Service • Ex. Unalakleet • Army Corps of Engineers – coastal projects (Barrow) • National Park Service • Ex. Chisik Island

  8. Additional Water Level Partnerships • National Weather Service • Alaska Department of Natural Resources • Alaska Ocean Observing System Prototype AOOS data dashboard from Axiom

  9. Questions

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