Fresh Water Monitoring

© David Mohn / Adobe Stock

Nutrient Pollution is Widespread in US Lakes -EPA

A recent study has found that nutrient pollution is widespread in the U.S. lakes, with four in 10 lakes suffering from too much nitrogen and phosphorus, according to national assessment conducted by the U.S. Environmental Protection Agency (EPA).   Excess nutrients can cause algae blooms, lower oxygen levels, degraded habitat for fish and other life, and lower water quality for recreation. The National Lakes Assessment also found an algal toxin – microcystin – in 39 percent of lakes but below levels of concern. Low concentrations of the herbicide atrazine were found in 30 percent of

Courtesy South Carolina Ports Authority

U.S.House Passes New Water-Resources Measure

Today's passage of S.612, the Water Infrastructure Improvement for the Nation Act (WIIN), formerly known as Water Resources Development Act (WRDA), by the U.S. House of Representatives, moves the Charleston Harbor Deepening Project closer to securing the authorization necessary to begin construction. "We applaud the House for passing this legislation before the end of the year, which is critical to modernizing ports and port-related infrastructure across the country," said Jim Newsome, SCPA President and CEO. "The South Carolina Delegation worked extremely hard to move this bill

Seabed Worker ROV Photo Swire Seabed

Swire Seabed Buys Fourth Subsea Vessel

investing in new assets and facilitating the company’s development and expansion in both current and new market segments,” says CEO, Swire Seabed, Arvid Pettersen.   Headquartered in Bergen, Norway, Swire Seabed is a fully owned subsidiary of Swire Pacific Offshore, a diversified marine services conglomerate. Swire Seabed prides itself on its strong track record of undertaking a wide range of subsea operations and its team of highly experienced onshore and offshore specialists.   Swire Seabed’s other subsea vessels are Seabed Worker, Seabed Supporter and Seabed Prince

Aboard RSV Aurora Australis at the front of the Totten Glacier in 2015 – the first time a ship had been able to access the front of the Totten Glacier which is normally surrounded by thick sea ice. (Photo: Paul Brown)

Expedition to Study Ocean’s Role in Glacial Melting

understand how the Southern Ocean is changing and how these changes are likely to affect the East Antarctic ice sheet.   A team of around 30 scientists, technicians and PhD students from CSIRO, the Antarctic Climate & Ecosystems CRC (ACE CRC), the University of Tasmania’s Institute for Marine & Antarctic Studies, and the Australian Antarctic Division will leave from Hobart on Australia’s icebreaker Aurora Australis today (Thursday).   Chief Investigator and CSIRO Oceans and Atmosphere scientist, Dr. Steve Rintoul, said the team hopes to reach areas surrounding the Totten

(Photo: Ardent)

Troll Solution Wreck Removal Completed

Bay of Campeche when it listed, killing two workers.   Initial efforts were made to refloat and salvage the jack-up, though the Troll Solution collapsed and sank into the seabed in approximately 30 meters water depth, coming to rest within 2 meters from the active CAAN-A platform.   Enter marine services and salvage company Ardent, who then deployed assets from several countries, including the Conquest MB-1 crane barge and a 1,000-ton hydraulic wreck grab from the Netherlands, as well as further support vessels deployed from the U.S. and Mexico.   The Conquest MB-1 with a maximum

Marine Technology Magazine Cover Oct 2016 - AUV Operations

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