Image shows pink acoustic curtain with gas plumes appearing as blue flares rising from the seabed.
Sounding the Sparkling Depths

Prof. Tom Weber and grad students Liz Weidner and Erin Heffron sailed aboard New Zealand's R/V Tangaroa where they worked to use echocounders to quanitify the amount of gases coming up form the ocean floor, and to find a way to measure the size and rate of the bubbles. 

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Still from video showing Larry Mayer talking.
How Close Are We to Completely Mapping the Ocean?

This video from Seeker, featuring Larry Mayer and the NF-GEBCO Alumni XPRIZE Team, attempts to answer how close we are, how it can happen, and why it matters.

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Still from the live stream camera aboard the Okeanos Explorer showing fan corals.
Océano Profundo 2018

The NOAA Ship Okeanos Explorer's mission, Océano Profundo 2018, is complete. This telepresence-enabled ocean exploration expedition collected critical baseline information on unknown and poorly understood deepwater areas surrounding Puerto Rico and the U.S. Virgin Islands.

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4 images showing monitors, the team group photo, SEAKIT silhouetted against the sunset, and tracking map showing the location of the ASV.
XPRIZE's Final Round

The GEBCO-NF Alumni Team accomplished their goals for their field tests in the final round of the Shell Ocean Discovery XPRIZE. They were the first team to go, so now they will wait for the other teams to complete their field demonstrations.
 

Photo of the ASV BEN from the stern with the E/V Nautilus in the distance on the horizon.
Caving with BEN

Larry Mayer, grad students Erin Heffron and Corel Moreno, and most of the ASV BEN team recently returned from a research cruise aboard the E/V Nautilus in the Channel Islands where they used BEN to look for submerged caves along the shoreline.

Photo courtesy Ocean Exploration Trust.
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CCOM/JHC in the News

Seabed 2030 Meeting Held in Stockholm
Offshore Engineer
Nov. 5, 2018

Dr. Larry Mayer was co-chair of the first regional mapping meeting for The Nippon Foundation-GEBCO Seabed 2030 Project. The meeting covered the Arctic, Antarctic and North Pacific regions.

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Creatures with 'Pancake Batter'-Like Appearance Found off Maine: They're 'Scary to Swim Around'
Fox News
Nov. 15, 2018

Jenn Dijkstra is quoted in an article about the prevalence of sea squirts in the Gulf of Maine.

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Scientists to Explore New Sites in Puerto Rico, USVI Waters
WRAL
Oct. 29, 2018

Scientists will explore new sites in deep waters surrounding Puerto Rico and the U.S. Virgin Islands to learn more about coral and fish habitats as part of a 22-day mission.

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Upcoming and Recent Seminars

Ice Core Records of Changing Climate from Denali National Park
Cameron Wake

Inst. for the Study of Earth, Oceans and Space
UNH

Friday, Dec. 7, 2018, 3:10pm
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Some Examples of Nonlinear Modeling and Control of Ocean Vehicles
Prof. Craig Woolsey

Crofton Department of Aerospace and Ocean Engineering (AOE)
Virginia Tech 

Friday, Nov. 30, 2018, 3:10pm
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Acoustic Detection and Quantification of Crude Oil
Scott Loranger
Doctoral Dissertation Defense

Oceanography

Friday, Nov. 30, 2018, 10:00am
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Recent Publications

Automated Identification of Discrepancies Between Nautical Charts and Survey Soundings
Giuseppe Masetti; Tyanne Faulkes; Christos Kastrisios
Mapping the World's Oceans
Larry A. Mayer
Seal Occurrence and Habitat Use during Summer in Petermann Fjord, Northwestern Greenland
K. Lomac-MacNair; Martin Jakobsson; A C. Mix; Francis F. Freire; Kelly Hogan; Larry A. Mayer; Mari Ann Smultea

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Spotlight on...

Manage Your Sound Speed
Sound Speed Manager streamlines the use of sound speed profiles in survey acquisition and data processing. The app provides support for commonly-used formats, model-based profile enhancement, and database management with built-in functionalities for analysis and visualization. Sound Speed Manager is an open-source project jointly developed by CCOM and NOAA Coast Survey Development Laboratory.
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