Environmental 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

© Shaun Wilkinson / Adobe Stock

US Offshore Wind Faces Pushback from Fishing Groups

the access to prime fishing areas. The U.S. Bureau of Ocean Energy Management (BOEM) was set to administer the lease sale on December 15, when a petition to delay the auction was presented to the federal court. The U.S Bureau of Ocean Energy and Management (BOEM) requires an extensive stakeholder marine spatial planning process that de-conflicts the wind energy area prior to the Point of Sale Notice (PSN).  The Business Network for Offshore Wind, a business network that aims to help usher the U.S. into the offshore wind market, said it believes addressing stakeholder conflicts throughout

Slocum glider with 200 kHz AZFP echosounder under test (Photo: ASL Environmental Sciences)

Ocean Glider Equipped with Fishery Echosounder

NOAA's Beaufort Laboratory (National Centers for Coastal Ocean Science and Southeast Fisheries Science Center) collaborated with the Center for Ocean Technology and College of Marine Science of the University of South Florida to instrument an echosounder into an ocean gilder to extend surveys of pelagic and demersal fishes associated with rocky reefs in the Gulf of Mexico and Southeast U.S. Atlantic.   ASL Environmental Sciences (ASL) supplied a purpose-built 200 kHz single-frequency scientific echosounder, a modification of ASL's proven Acoustic Zooplankton and Fish Profiler (AZFP), to Teledyne

Image: SMP

SMP to Supply Wet Bell LARS to Bergen University

Submarine Manufacturing and Products Ltd (SMP) has secured a contract with Norwegian company Alf Lea to supply a complete wet bell system to Bergen University.    Alf Lea approached SMP to design and manufacture a wet bell launch and recovery system (LARS) with supporting 20ft DNV containerized machinery and dive control.    All aspects of the project are to be designed, manufactured and tested by the company’s workforce at the workshop site located in Preston, Lancashire.   The wet bell LARS has been designed to operate within a compact footprint to minimize the

Image: Tuco Marine

Tuco Debuts New ROV Support Boat

A new vessel design dedicated to the ROV support boat market has been unveiled by Denmark’s Tuco Marine: the new 15-meter ProZero ROV support boat is optimized as a working platform for underwater work, and work performed in support of divers and ROVs. These operations include underwater inspection, investigation, excavation, construction, repair or maintenance of machinery and structures, and the salvage of sunken property.  The ProZero 15 meter ROV support boat is designed with the optional feature, of being remotely controlled by a Remote Command System to enable unmanned piloting of

Marine Technology Magazine Cover Oct 2016 - AUV Operations

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