EGU General Assembly 2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.

Ocean Networks Canada: Long-term ocean observing on a Northeast Pacific cabled ocean observatory

Richard Dewey, Martin Scherwath, Steve Milahy, Martin Heesemann, Fabio De Leo, Lanfranco Muzi, Kohen Bauer, and Kim Juniper
Richard Dewey et al.
  • ( Ocean Networks Canada, University of Victoria, Victoria, BC, Canada

Long time series observations in the ocean are rare. In the Northeast Pacific, Ocean Networks Canada (ONC) of the University of Victoria operates a number of permanent cabled ocean observatories. The first was installed in 2006, and they have successfully produced many interdisciplinary high-resolution time series over the years, the longest being over 16 years in duration. The cabled observatories operated by ONC include the VENUS coastal observatory and the NEPTUNE off-shore deep-sea observatory. Each observatory has several sites where an observatory node provides continuous power and high bandwidth communications to a wide range of ocean and geophysical sensors. Various long high-resolution time series will be presented and the assessment of climate, decadal, inter-seasonal, annual, and even daily cycles, variations, and signals will be discussed. Such long time series, including environmental baselines, are key for evaluating physicochemical and biological change in the oceans in response to natural variations and climate change. In this way, recent efforts to leverage our time series data in robust monitoring, measurement, reporting, and verification (M2RV) frameworks in the context of different marine carbon dioxide removal (mCDR) approaches, will also be presented.

How to cite: Dewey, R., Scherwath, M., Milahy, S., Heesemann, M., De Leo, F., Muzi, L., Bauer, K., and Juniper, K.: Ocean Networks Canada: Long-term ocean observing on a Northeast Pacific cabled ocean observatory, EGU General Assembly 2023, Vienna, Austria, 24–28 Apr 2023, EGU23-16971,, 2023.