Center for Coastal and Ocean Mapping Joint Hydrographic Center

The Center for Coastal and Ocean Mapping/Joint Hydrographic Center, located at the University of New Hampshire, is a national center of expertise in ocean mapping and hydrographic sciences.

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  • Underwater photo of a seawreck

    Sunken Warship Discovery

    CCOM Director Larry Mayer discusses the discovery of the WWII Imperial Japanese Navy destroyer Teruzuki during the Iron Bottom Sound expedition aboard the E/V Nautilus. (Image courtesy of Ocean Exploration Trust.)

    Learn more

  • Screenshot from video showing bathymetry lines overlaying google map.

    UNH Community Map Web Service

    This project, funded by the Canadian Hydrographic Service, was developed at UNH under the leadership of CCOM's Christos Kastrisios. Learn how coastal communities can build a ‘community map’ with just one click!

    Watch the video here

  • E/V Nautilus at sea with DriX ASV alongside

    Nautilus and DriX - Back Together Again

    CCOM is taking part in the E/V Nautilus' expedition to the Solomon Islands where they are exploring the WWII maritime archaeology of Guadalcanal in Iron Bottom Sound, and are using the DriX to make high resolutions maps of the battlefield seafloor. Photo courtesy of Exploration Trust.

     Read more about the Solomon Islands expedition

Recent Publications

Perspectives From the South Pacific’s Papua New Guinea and Kiribati on Ocean Mapping’s Importance and How Collaborations Through Seabed 2030 Can Help Achieve Sustainable Ocean Management Goals
Kinney, J., Oliver, E.,Uriam, T., and Roperez, J., Marine Technology Society Journal, 59 (2), 34–39. 2025.


Bridging the Depths in Algeria: Advancing Hydrospatial Data for Sustainable Marine Management
Bellabad, F., Kinney, J., Khellaf, R., and Otmani, H., Marine Technology Society Journal, 59 (2), pp. 40–50. 2025.


HydrOffice: A Research-to-Operations Framework for Ocean Mapping
Masetti, G., Armstrong, A., Faulkes, T., and Wilson, M., News from the NOMEC Council, p. 6, Summer 2025, 


Mapping the Largest Known Cold-Water Coral Reef Habitat
Sowers, D., Mayer, L.M., Masetti, G., and Cantwell, K., Hydro International, vol. 2, July 2025.


More Publications

Events

Echoes Through Time: Multi-Angle Insights into Seafloor Scattering Variability
Kaan Cav
Thesis Defense
Master of Engineering
Friday, August 22, 2025, 3:00pm
Chase 130


A Geoacoustic Bayesian Inversion for Large Calibrated Singlebeam Echosounder and Ground Truth Datasets
Andrew Niedbala
M.S. Thesis Defense
Ocean Engineering
Wednesday, August 13, 2025, 10:00 a.m.
Chase 130


Counting Kelp: Development and Assessment of Modelling Approaches to Improve Understanding of Kelp Bed Abundance and Resilience in the Gulf of Maine
Constance N. Tyler
Doctoral Dissertation Defense
Marine Biology
Monday, August 11, 2025, 11:00 a.m. 
Chase 130


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