Submitted by terry on Sat, 12/05/2020 - 13:37

Dec 5, 2020 Blog – Jennifer Miksis-Olds

Welcome to the AR49 ADEON Cruise 5 blog.  I’m Chief Scientist Dr. Jennifer Miksis-Olds, and I’ll be leading the ADEON team on this fifth and final cruise of the ADEON project (https://adeon.unh.edu).  Today we set sail on the R/V Neil Armstrong for its 49th science cruise, which is why our cruise was assigned the AR49 cruise number identifier.  ADEON is accompanied this year by the Remotely Operated Vehicle (ROV) Jason team (https://www.whoi.edu/what-we-do/explore/underwater-vehicles/ndsf-jason/).  This is the first time ROV Jason will be travelling on the R/V Armstrong.  The ROV Jason team is joining us onboard this year to help recover an ADEON lander at the JAX location (https://adeon.unh.edu/landers) that did not surface as scheduled over a year ago.  Keep your fingers crossed that this last effort of recovery is successful.  Without it, we will have a year hole in our long-term dataset at this location.

In preparation for the cruise, all equipment has been loaded and secured to the deck. It was like a Tetris puzzle to fit all the ROV Jason and ADEON items onto the back decks while also allowing enough room to work (Images 1 & 2).  Now we await final word of departure time. We have been delayed one day so far due to weather. There has been a nasty storm on the NE Coast, and by delaying a day we will hopefully miss the full force of the storm (Image 3).  It will be a very bumpy ride for the first 12 hours until we emerge to the south of the storm.  Send thoughts of strength and calm stomachs to our soon to be seasick science crew.

Over the course of this 17 day cruise, you’ll be meeting each of the 7 people in the ADEON science party and a few of the ROV Jason team (8 members).  Stay tuned here to meet each member and hear what they are experiencing at sea.

 

Ship aft deck
Image 1. R/V Armstrong aft deck with ROV Jason on far left and ROV Jason support vans spanning across the deck. Photo credit: Jennifer Miksis-Olds (UNH).

 

Ship starboard deck
Image 2.  R/V Armstrong starboard deck.  The CTD (Conductivity Temperature Depth) system is the round sensor system at the very bottom of the image. Water sampling bottles (Niskin bottles) are attached to the CTD rosette for obtaining water samples at discrete depths of the water column. The two ADEON landers (white and orange platforms) are secured to the rear of the CTD. Photo credit: Jennifer Miksis-Olds (UNH).

 

Dec 5 wind map
Image 3. Projected winds upon departure of the R/V Armstrong on Dec 5, 2020.  The darker purple the color, the stronger the winds.  Green color denotes 20 mph winds.  Purple indicates 45 mph winds. Photo credit: Jennifer Miksis-Olds (UNH).

 

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Jennifer L. Miksis-Olds, PhD.

Director, Center for Acoustics Research and Education | Research Professor | School of Marine Science and Ocean Engineering | Center for Coastal and Ocean Mapping

University of New Hampshire 24 Colovos Rd. Durham, NH 03824 603-862-5147, j.miksisolds@unh.edu | https://eos.unh.edu/center-acoustics-research-education

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