Subsea Cameras Capture Vent Time-Lapse

The OOI has used SubC Imaging’s subsea cameras, LEDs and lasers, in particular the Rayfin, to capture images of the RCA on an active vent that have been formed into a time lapse Feature Article by SubC Imaging
Subsea Cameras Capture Vent Time-Lapse
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The Ocean Observatories Initiative (OOI) has been using SubC Imaging’s subsea cameras, LEDs and lasers on the Regional Cabled Array (RCA) to capture images that have been formed into a time lapse.

This research was carried out in partnership with the University of Washington, and began in 2014.

In-Depth Research

The RCA consists of cabled arrays of ocean observing technology in the Northeast Pacific Ocean that spans the Juan de Fuca plate and overlying water column.

Data collected from the observatory allows for in-depth research on volcanic activity, methane seeps, hydrothermal vents, submarine earthquakes, and biological, chemical, and physical environmental changes.

Educational Time-Lapse

The University of Washington’s Applied Physics Laboratory uses SubC’s Rayfin camera scripting function to capture a digital still of an actively venting chimney called “Tiny Towers”, every 30 minutes.

In this time-lapse example, you’re seeing 20 high-resolution digital stills of Tiny Towers per month over 10 months — from August 2020 to May 2021. It’s interesting to see how the environment changes and the marine growth starts to form on the camera lens.

A collection of digital stills, captured over many years, is available on the OOI website. Read more about OOI’s hydrothermal vent research in the references below:

The Most Advanced Volcanic Observatory

Axial Seamount, a key experimental site on the RCA, is the most active submarine volcano in the Northeast Pacific. It is located 250 miles off the Oregon coast and sits at a depth of 1500 m and last erupted in April of 2015.

Seismic data reveals that there are two large magma reservoirs beneath the volcano providing heat that drives underwater hot springs and the creation of hydrothermal vent deposits, making this a key seafloor observation site for researchers. It is the most advanced volcanic observatory in the oceans.

Scientists have been using SubC Imaging Rayfin cameras across many RCA observatory sites since August 2020, including the International District Vent Field 1 on Axial Seamount. The camera system includes an Aquorea LED lamp, Mantaray Parallel lasers, and a pan-tilt unit.

Research at the International District Vent Field is investigating the chemistry and temperatures of high temperature and diffuse flow vent sites, and the novel microbial communities that they host.

One goal is to understand the connections between seismicity, fluid temperatures and chemistry, and the evolution of biological communities over time in highly dynamic environments exposed to volcanic eruptions.

Visit the SubC Imaging website for more images and information. 

Posted by Abi Wylie Connect & Contact