Admiralty Inlet Advanced Turbulence Measurements: May 2015

Metadata Updated: February 11, 2020

This data is from measurements at Admiralty Head, in Admiralty Inlet (Puget Sound) in May of 2015. The measurements were made using Inertial Motion Unit (IMU) equipped ADVs mounted on a 'StableMoor' (Manufacturer: DeepWater Buoyancy) buoy and a Tidal Turbulence Mooring (TTM). These platforms position ADV heads above the seafloor to make mid-depth turbulence measurements. The inertial measurements from the IMU allows for removal of mooring motion in post processing.

The mooring and buoy motion has been removed from the stream-wise and vertical velocity signals (u, w). The lateral (v) velocity has some 'persistent motion contamination' due to mooring sway.

The TTM was deployed with one ADV, it's position was: 48 09.145', -122 41.209'

The StableMoor was deployed twice, the first time it was deployed in 'wing-mode' with two ADVs ('Port' and 'Star') at: 48 09.166', -122 41.173'

The second StableMoor deployment was in 'Nose' mode with one ADV at: 48 09.166', -122 41.174'


  • Velocity data (_u, urot, uacc) is in m/s.
  • Acceleration (Accel) data is in m/s^2.
  • Angular rate (AngRt) data is in rad/s.
  • The components of all vectors are in 'ENU' orientation. That is, the first index is True East, the second is True North, and the third is Up (vertical).
  • All other quantities are in the units defined in the Nortek Manual.

Motion correction and rotation into the ENU earth reference frame was performed using the Python-based open source DOLfYN library ( Details on motion correction can be found there.

Additional details on TTM measurements at this site can be found in the included Marine Energy Technology Symposium paper.

Access & Use Information

Public: This dataset is intended for public access and use. License: Creative Commons Attribution

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Metadata Created Date September 3, 2019
Metadata Updated Date February 11, 2020

Metadata Source

Harvested from OpenEI data.json

Additional Metadata

Resource Type Dataset
Metadata Created Date September 3, 2019
Metadata Updated Date February 11, 2020
Publisher National Renewable Energy Laboratory
Unique Identifier
Levi Kilcher
Maintainer Email
Public Access Level public
Bureau Code 019:20
Metadata Context
Metadata Catalog ID
Schema Version
Catalog Describedby
Data Quality True
Format text/csv
Harvest Object Id 4e4283cf-bdfb-46f9-a242-957c95f35e3e
Harvest Source Id 471e7cf0-2f1f-4443-901e-40ac2f603e73
Harvest Source Title OpenEI data.json
Data First Published 2015-05-18
Homepage URL
Data Last Modified 2015-05-18
Program Code 019:009
Source Datajson Identifier True
Source Hash b116cce6880d10c18090c731de2d6cfc34407dff
Source Schema Version 1.1
Spatial {"type":"Polygon","coordinates":-122.6966,48.1425,-122.6766,48.1425,-122.6766,48.1625,-122.6966,48.1625,-122.6966,48.1425}

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