This summer, with the help of the Alvin submersible, a multidisciplinary team of scientists and educators visited several little known seamounts in the North Atlantic, along with at least one previously unexplored seamount, to study various aspects of deep-sea octocorals and other organisms living on and around the seamounts. The primary objective was to map, collect, and identify deepwater corals, fishes, and miscellaneous invertebrates from the seamounts, with special attention to whether corals are most abundant at the crest of the seamount and whether they form important habitat for other species, such as benthic fishes, when the corals are particularly abundant.

This dataset contains oceanographic data (ADCP, CTD, underway), submersible data, images, and documentation. The cruise focused on several seep sites, canyons, and hard bottom features located less than 100 nm offshore. The goal of this expedition was to validate several seep targets, image and map seeps, canyons (e.g., Keller, Pamlico, Hatteras, and unnamed canyons), and hard bottom features located between Virginia and Georgia.

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Despite substantial interference from hurricanes Bonnie, Charley, and Katrina, Operations Deep-Scope 2004 and 2005 were extremely successful. In addition to numerous discoveries (e.g., fluorescent sharks, new large deep-sea squid, UV vision in deep-sea crabs, the importance of polarized light and bioluminescent searchlights), these expeditions developed several new technologies. The Eye-in-the-Sea is now a robust stealth camera system; waveband, fluorescence, polarization, and UV imaging techniques are well-developed; and we can now collect deep-sea benthic species without damaging their eyes. Together these achievements place us in a unique position to explore the deep sea in innovative and exciting ways. In 2007 we propose to extend the envelope of this exciting frontier in ocean exploration in two ways: 1) developing further imaging and listening technologies, 2) using the currently developed methods to explore the cliffs in the Bahamas that range from the surface to 3000 feet in depth. Results from this proposal will characterize an important deep-sea benthic environment, and use new technologies to locate inorganic and organic ocean resources, fulfilling two of the main themes of Ocean Exploration. The proposed cliff sites range from shallow coral reefs to the abyssal plain and will allow us to explore a large number of benthic communities in a small location and learn how depth affects undersea life. Given the technological focus of our research however, if the ships' schedules should make it difficult to work in this area we would welcome the opportunity to test these new technologies at any biologically rich sites. Unlike many research cruises, which focus in depth on one problem and method, we propose a number of smaller projects that are linked by the methods and questions of visual ecology and optical oceanography. The ultimate goal of our highly interdisciplinary group of researchers is to explore and characterize the deep-sea world in these new ways.

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This spring, scientists explored the first "undersea island" to be called a seamount. Davidson seamount, located 120 km Southwest of Monterey, California, is one of the largest known seamounts in U.S. waters. Although these geological features have been known about for quite some time, only recent technological advances allow for comprehensive studies. The exploration team was led by scientists from the Monterey Bay National Marine Sanctuary. Collaborators included the Monterey Bay Aquarium Research Institute (MBARI), the Moss Landing Marine Laboratories, and the Monterey Bay Aquarium.

This dataset contains oceanographic data (ADCP, CTD, ROV, Jason, Lander, SCS, Vehicle, XBT), images, and documentation. The primary goals of this cruise were as follows: Exploration of new sites and new areas within known sites, sampling of corals and associated fauna for biodiversity and biogeography, community sampling at seep and coral habitats, sediment sampling at soft sediment sites for biogeochemistry and diversity, collections of corals for live coral experiments, water sampling for water chemistry and microbial diversity, sediment, water, and faunal samples for eDNA work, geological observations and sampling for geomorphology, and lander deployments.

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