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Ocean Sciences at the University System of Maryland spans disciplines and campuses to study issues confronting the global and coastal oceans.

Oceanographers use a variety of techniques including laboratory studies, ship-based observations, in situ instruments, and satellite or aircraft-based remote sensing to observe the oceans. We develop models ranging from simple conceptual models to complex numerical models running on supercomputers to test our theories.
In the October 2 issue of Science, CBL professor Dave Secor and co-authors report findings that while North American and Mediterranean bluefin tuna return home to spawn, juveniles travel long distances and populations mix. They show that more than half of the juveniles collected in North American waters were of Mediterranean origin. The researchers say the new insight will help understand what's happening to the species that has been under reduced fishing quota for years in Canadian waters, but has yet to show signs of a major recovery.

Dr. Dave Secor


Yonathan Zohar, director of the Center of Marine Biology at the University of Maryland Biotechnology Institute, studies fish reproductive endocrinology and aquaculture as responses to the dwindling marine populations in the Chesapeake Bay and around the world. More...

Featured Project

As part of the Western Arctic Shelf-Basin Interactions Project initiated by NSF and the Office of Naval Research, the Maryland Organic Geochemistry and Ecology Laboratory (MOGEL) at UMCES/CBL is investigating organic carbon cycling and the potential impacts of climate change on biogeochemical processes.  The Arctic Ocean receives carbon through both new production in marine waters as well as land derived carbon via river runoff and coastal erosion.  Professor Rodger Harvey and doctoral student Laura Belicka are detailing the sources of carbon that gets preserved in ocean sediments which provides a record of historical conditions and can be used to understand how climate change is affecting the production and recycling of carbon. 

RV Healy
The US Coast Guard Cutter, Healy breaks ice during a research cruise in the Arctic Ocean.
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