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Multiple data types were collected during the Submarine Ring of Fire 2006 expedition sponsored by the NOAA Office of Ocean Exploration.

The Hawaii Undersea Research Laboratory (HURL) was established by the National Oceanic and Atmospheric Administration (NOAA) and the University of Hawaii. Its mission is to study deep water marine processes in the Pacific Ocean. The primary means of surveying are through use of the Submersible Pisces V, with a depth penetration to just beyond 2 Km. The submersible is equipped with a CTD device. This dataset represents the CTD data for dives throughout all Hawaiian Islands and seamounts during 1990-1999. The data have not received calibration other than what was provided by the SeaBird Electronics CTD agreement. Also, the data have not been rigorously quality controlled. Use the data with discretion. Please inform the HURL data management team if questionable signals are encountered. HURL and NOAA are not responsible for misuse of the data.

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The Hawaii Undersea Research Laboratory (HURL) was established by the National Oceanic and Atmospheric Administration (NOAA) and the University of Hawaii. Its mission is to study deep water marine processes in the Pacific Ocean. The primary means of surveying are through use of the Submersibles Pisces IV and V and with a remotely operated vehicle (ROV). This dataset contains CTD data from a Seabird SEACAT instrument mounted on the submersibles and the ROV from 593 dives. Sound velocity profiles have been calculated for select dives. There were 17 dives at the Cross Seamount in March-May 1995. The rest were during 2001-2012 in locations from New Zealand to American Samoa in the south Pacific, and from the Line Islands to the Northwest Hawaiian Islands in the north Pacific. The data have not been rigorously quality controlled. Use the data with discretion. Please inform the HURL data management team if questionable signals are encountered. HURL and NOAA are not responsible for misuse of the data. Additional HURL CTD data during 1990-1999 are available in NCEI Accession 0000807.

Building off the successes of an Office of Ocean Exploration (OE) expedition to Davidson Seamount in 2002, this project will focus on deep-water corals. The week-long expedition in 2002 was the initial effort to characterize the biology and geology of the Davidson Seamount, 1,250 - 3,700 meters deep off Central California. Many results and products from this cruise are relevant to OE, including ocean science issues, education, outreach, and resource management. The focus of the proposed 2005 cruise would be to expand on the exploratory results of our last seamount expedition to investigate processes that generated coral distribution patterns. We will use a simple model derived from results of the last cruise to test our understanding of coral distribution, and use this model to guide exploration in other regions of the Seamount (still over 99.98% unexplored.) Specific regions of the seamount will be targeted based on a topographic index, substratum type, and coral species depth records. Complementary studies of the biodiversity and population dynamics of seamount fauna will include collections of corals for taxonomic studies, and age and growth studies of corals using innovative radiometric techniques. Addressing the public interest in seamounts, corals, and exploration, the British Broadcasting Corporation (BBC) will record imagery from Davidson Seamount to feature in an upcoming television series, co-produced with the Discovery Channel, for broadcast in the United States and internationally. The Sanctuary West Coast Visitor Center and Monterey Bay Aquarium have plans to feature seamounts and corals in future exhibits, and high-definition video imagery, as well as research findings will be pivotal in the exhibit development.

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.