ocean current measurement News
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Science adopts a new definition of seawater
In Paris late last month the General Assembly of UNESCO's Intergovernmental Oceanographic Commission (IOC) accepted the case for the introduction of a new international thermodynamic description of seawater, cast in terms of a new salinity variable called Absolute Salinity. Hobart-based CSIRO Wealth from Oceans Flagship scientist, Dr Trevor McDougall, made the case during his presentation of the ...
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Atlantic Ocean overturning found to slow down already today
The Atlantic overturning is one of Earth’s most important heat transport systems, pumping warm water northwards and cold water southwards. Also known as the Gulf Stream system, it is responsible for the mild climate in northwestern Europe. Scientists now found evidence for a slowdown of the overturning – multiple lines of observation suggest that in recent decades, the current system ...
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Jason-3 Launches to Monitor Global Sea Level Rise
Jason-3, a U.S.-European oceanography satellite mission with NASA participation that will continue a nearly quarter-century record of tracking global sea level rise, lifted off from Vandenberg Air Force Base in California Sunday at 10:42 a.m. PST (1:42 p.m. EST) aboard a SpaceX Falcon 9 rocket. Jason-3 is an international mission led by the National Oceanic and Atmospheric Administration (NOAA) ...
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UK’s largest marine robot mission is underway off northwest Scotland
An ambitious two-week mission involving ten marine robots has commenced off northwest Scotland. The third in a series of demonstrator missions, this latest phase sees the largest fleet of marine robotic vehicles simultaneously deployed in UK waters. The mission comprises seven submarine gliders and three surface Wave Gliders that are working together in fleets to collect a range of environmental ...
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East Coast gliders yield valuable marine life data
Eddies can be up to 200 kilometres across and they distribute heat and nutrients around the ocean and form their own distinct habitat. An insight into ocean eddies is also an insight into how ocean dynamics influences regional climate. CSIRO scientists and technicians last month retrieved one of three gliders working in south-east Australia after a five-month program criss-crossing the East ...
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New radar satellite technique sheds light on ocean current dynamics
Ocean surface currents have long been the focus of research due to the role they play in weather, climate and transportation of pollutants, yet essential aspects of these currents remain unknown. By employing a new technique – based on the same principle as police speed-measuring radar guns – to satellite radar data, scientists can now obtain information necessary to understand better the ...
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