NANOOS Northwest Environmental Moorings ERDDAP
Access To Puget Sound Mooring Data
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Northwest Environmental Moorings (NWEM)

Welcome to the ERDDAP server for the Northwest Environmental Moorings (NWEM) Lab group at the Applied Physics Laboratory of the University of Washington.
NWEM maintains a number of buoys throughout the Puget Sound and along the Washington coast. This includes the Oceanic Remote Chemical Analyzer (ORCA) moorings, as well as the Northwest Enhanced Moored Observatory (NEMO).
The Oceanic Remote Chemical Analyzer (ORCA) moorings are autonomous profiling systems that collect near real-time water property and atmospheric data in Puget Sound, Washington State. Data are transmitted from the moorings to a server housed at the University of Washington in Seattle, where they are processed, quality controlled, and disseminated.
Since 2010 the University of Washington has maintained a pair of moorings 13 nautical miles west-northwest of La Push, Washington on the Washington continental shelf and within the Olympic Coast National Marine Sanctuary, collectively referred to as the Northwest Enhanced Moored Observatory (NEMO). The moorings consist of a large surface buoy (Cha'Ba or Quileute for "whale tail") and an adjacent (~400 m away) profiling subsurface mooring referred to as NEMO-subsurface. Both moorings collect oceanographic and atmospheric data, with oceanographic observations throughout much of the 100 m water column. Data are stored both locally and transferred to shore hourly to be displayed on the NANOOS Visualization System (NVS) in near real-time.
To learn more about the ORCA Data Processing, please read the Data Processing Manual, found here.

Data Citation:

When using NWEM data, please cite the data as follows:
University of Washington NWEM Mooring Data, 2005-2024;, enabled by the Northwest Association of Networked Ocean Observing Systems (NANOOS, and the Washington State Ocean Acidification Center (WOAC,

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