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2012  Sea Technology Magazine Annual Index

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ARCHIVED FEATURES: 2012 | 2011 | 2010

January 2012 Issue

REVIEW &
FORECAST


COVER
Diamond Head Lighthouse as seen from the top of Diamond Head in Honolulu, Hawaii. (Photo: Meghan Ventura)

 




Features





February 2012 Issue

INSTRUMENTATION:
MEASUREMENT
PROCESSING &
ANALYSIS


COVER
The Explorer AUV Yamoria, built by Port Coquitlam, Canada-based International Submarine Engineering Ltd. (ISE) and owned by the Canadian government, finished a six-week mission at latitude 88 degrees north in September. Yamoria and its ISE-built twin, Qaujisati, were deployed from the Canadian Coast Guard icebreaker Louis S. St-Laurent to collect seabed data that are being used to support Canada’s submission under the United Nations Convention on the Law of the Sea (UNCLOS). (Photo credit: Gina Millar, control systems engineer at ISE)

 


Features



March 2012 Issue

ELECTRONIC CHARTING
VESSEL MANAGEMENT
PORTS & HARBORS
DREDGING
HOMELAND SECURITY


COVER
A computational representation of a suspended sediment dredge plume that was mapped using a backscatter survey-based technique developed for the U.S. Navy to monitor the environmental effects created during a wharf expansion project in Apra Harbor in Guam. The backscatter surveys were conducted with a Teledyne RD Instruments (Poway, California) Workhorse Monitor ADCP, and the open-source Visualization Toolkit was used to render the results. See story here. (Image courtesy of Sea Engineering Inc.)

Features



April 2012 Issue

OFFSHORE TECHNOLOGY
ALTERNATIVE ENERGY
& OCEAN ENGINEERING


COVER
The ENSCO 8501, an ultradeepwater semisubmersible rig operating in the U.S. Gulf of Mexico under a contract with Nexen Inc. (Calgary, Canada) and Noble Energy Inc. (Houston, Texas), can drill in 8,500 feet of water to a depth of 35,000 feet. (Photo courtesy of Ensco plc)

 


Features



May 2012 Issue

COMMUNICATIONS
TELEMETRY
DATA PROCESSING


COVER
The ROPOS ROV, owned and operated by the Canadian Scientific Submersible Facility, deploys a Victoria Experimental Network Under the Sea (VENUS) instrument platform from the RV Thomas G. Thompson in July 2011. See the editorial from Richard Dewey, VENUS associate director of research, on page 7 for more on deploying acoustic devices in ocean observatories. (Photo by VENUS)

 


Features





June 2012 Issue

SEAFLOOR MAPPING
SONAR SYSTEMS
VESSELS


COVER
A six-leg platform, wells, mattresses, pipeline, jack-up prints and related exiting scars are shown on fine sediments in an anthropic debris area at 24 meters depth. The geophysical survey was performed by G.A.S. srl (Zola Predosa, Italy) in March 2012 in the Northern Adriatic Sea with an L-3 Klein 3900 (445 kilohertz) sonar of 100-meter lateral range. Data were acquired and post-processed by Chesapeake Technology Inc.’s (Mountain View, California) SonarWiz5 software. Low backscatter appears dark. (Photo courtesy of Chesapeake Technology)

 


Features





July 2012 Issue

DECK GEAR
CABLE
CONNECTORS &
POWER SYSTEMS


COVER
The MacArtney (Aberdeen, Scotland) 11-kilovolt wet-mate connector system, funded by the Energy Technologies Institute, was deployed and tested in England’s Falmouth Bay in October 2011. Grid-compatible and EN/CEI/IEC 60502-4 compliant, it was designed to meet the needs of the marine renewables industry, particularly the requirements from grid owners and utilities. (Photo credit: Parker, Energy Technologies Institute)

 


Features





August 2012 Issue

ENVIRONMENTAL MONITORING
REMOTE SENSING
& POLLUTION CONTROL


COVER
Lighthouse R&D Enterprises Inc.’s (Houston, Texas) Lighthouse Ocean Research Initiative II, shown being deployed in December 2009, has been operating for two-and-a-half years at 3,000 meters depth off the coast of the Sultanate of Oman. Three 2,500-meter arrays report environmental parameters throughout the water column in real time via fiber-optic cable. (Photo credit: David Selby)

 


Features





September 2012 Issue

OCEAN RESOURCES
DEVELOPMENT &
COASTAL ZONE
MANAGEMENT


COVER
The 6-meter NOMAD ODAS buoy, belonging to Environment Canada’s Marine Monitoring Network, is shown during a service trip off Canada’s west coast near Haida Gwaii. The buoy is part of a national network that has provided operational meteorological and oceanographic data since 1986. AXYS Technologies Inc. (Sidney, Canada) manufactures and services the WatchMan control systems, sensors and telemetry integrated onto these buoys. (Photo credit: Randy Kashino, AXYS Technologies Inc. field service specialist)

 


Features





October 2012 Issue

GEOPHYSICAL EXPLORATION
SEAFLOOR ENGINEERING


COVER
Sections of ION Geophysical Corp.’s (Houston, Texas) DigiSTREAMER towed streamer data acquisition system, designed for operating under Arctic ice. SEA CON (El Cajon, California) supplied the electrical and optical interconnections for the DigiSTREAMER, which was deployed in summer 2011 to acquire 5,600 kilometers of data offshore northeast Greenland, resulting in more than 55,000 kilometers of data. During the survey, DigiSTREAMER achieved an operational uptime of 98 percent. See story on page 47. (Photo courtesy of ION Geophysical)

 


Features





November 2012 Issue

UNDERSEA DEFENSE
ANTISUBMARINE WARFARE


COVER
The Los Angeles-class attack submarine USS Miami (SSN-755) enters dry dock to begin an engineered overhaul at Portsmouth Naval Shipyard earlier this year. (Photo Credit: U.S. Navy/Jim Cleveland)

 


Features





December 2012 Issue

DIVING, UNDERWATER
VEHICLES & IMAGING


COVER
A black smoker at 21° North on the East Pacific Rise, photographed during a dive with the Explorer Club as part of the MIRs submersible expedition in September 1990. The submersibles made many dives in the Pacific and Atlantic during this expedition, including dives to the Loihi volcano with scientists from the University of Hawaii, in Monterey Bay with the Monterey Bay Aquarium Research Institute and to the Guaymas Basin with the Woods Hole Oceanographic Institution. See story on page 45. (Photo Credit: Dr. Anatoly M. Sagalevich)

 


Features







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