Temperatures around the tropics shot up by 10 degrees Celsius and deep-sea currents slowed down, which starved the oceans of oxygen.In the other scenario, lower emissions keep temperature increases to just under 2 degrees Celsius by the end of the century.
Changes in salinity, temperature, and pressure change how the sea sounds, with unknown impacts on the life-forms that depend on that noise to survive.
“We know from other cold areas in the world, including the Arctic, that things growing on the hulls of ships absolutely do get transported from place to place, and it is one of the major sources of marine introductions around the world,” McCarthy told Ars.
Today NASA and NOAA dropped their annual analysis of global temperatures: Last year was tied with 2018 as the sixth-hottest ever, but cooler than 2020.The 2021 temperature drop “may be possibly due to a resumption of activity that produces aerosols in the atmosphere,” Schmidt said.
Behind her, she dragged a sled loaded with a ground-penetrating radar, which fired pulses through a thousand feet of ice and analyzed the radio waves that bounced off the seawater below, thus building a detailed image of the glacier beneath her feet.Erin Pettit leaves camp with a ground-penetrating radar in tow.
To find out, Sheldon and his colleagues hauled buckets of seawater up to the Hudson’s laboratory and used a plankton-counting machine to total up the size and number of creatures they found.
“It's a complex mixture of chemistry, biology, and physics,” says Scripps oceanographer Grant Deane, co-principal investigator of Soars.Up until now, scientists could run complex computer climate models to estimate, say, how increasing CO2 levels might change the chemistry of surface waters.
“It’s like the power of invisibility,” says Pomerantz, lead author of a recent study in the Journal of Experimental Biology that examines how clear wings develop.In ocean environments there are lots of transparent species, but on land it’s much less common.
Their energy potential is astonishing—researchers estimate that waves off the coasts of the United States could generate as much as 2.64 trillion kilowatt-hours annually, equivalent to 64 percent of the country’s total electricity generation in 2019.But capturing the immense power radiating across our oceans’ surfaces is no easy feat—wave energy technology is challenging to engineer, startup costs are high, and testing in open ocean waters is a regulatory nightmare.
New research published in premier science journal Nature last week, with input from NIWA, showed the global population of oceanic sharks and rays has declined by more than 70 per cent in the past 50 years, with ongoing decline likely to lead to the extinction of some species.
After nearly two decades as an oceanographer at NASA’s Jet Propulsion Laboratory, Chao had left the space agency to commercialize a seafaring generator that can harness the limitless thermal energy trapped in the world’s oceans.
The ship leaves Wellington and heads south with 20 science staff and 19 crew on board to learn more about key environmental and biological processes in the Ross Sea. Voyage leader and fisheries scientist Dr Richard O’Driscoll says this is the third in a series of voyages focused on providing baseline information about the Ross Sea Marine Protected Area (MPA) established in 2017.
Since he first started working on Alvin as an engineer nearly 25 years ago, Strickrott has logged more than 2,000 hours in the deep ocean, where he learned to expertly navigate the seabed’s alien landscape and probe for samples with the submarine’s spindly robotic arms.
The products are plant-based, smell fantastic, and are much more sustainable overall than buying new plastic bottles every month.Kinflyte's garments are made of recycled polyester knits from post-consumer plastic bottles, so they're eco-friendly too.
Voyage leader and NIWA marine geologist Dr Joshu Mountjoy says this is the first time this technology has been used to survey submarine canyons in New Zealand waters and information collected will lead to new understanding relevant to many of the world’s continental margins.
John Brosnan waits on board the RV Kaharoa after returning to New Zealand from an epic 75-day voyage.NIWA has deployed more than 1100 Argo floats in the Pacific, Indian and Southern Ocean over 22 voyages since 2004, more than any other individual vessel.
Regardless, Athey and her colleagues landed on a startling figure: A single pair of jeans may release 56,000 microfibers per wash.This landed them at an even more startling figure: Those two plants alone could be unloading a billion indigo denim microfibers per day into the lake.
Macroplastics like bags and bottles are breaking into microplastics (defined as bits less than 5 millimeters long) that swirl in the water column and sink down to the seafloor .Writing today in the journal Nature Communications, scientists from the National Oceanography Centre in the United Kingdom say they can account for that missing plastic, and in the process reveal the stunning scale of the microplastic pollution problem.
New measurements from the ocean under the centre of the Ross Ice Shelf have significantly improved our understanding of the complex processes that drive melting in Antarctica.
It might surprise you to know that in the United States there are several hundred cities that intentionally discharge untreated, raw sewage into their coastal waters whenever their sewer systems are overwhelmed with stormwater.
As weather systems tracked toward New Zealand from the west and north, they lacked moisture because of cooler eastern Indian Ocean seas caused by the IOD.NIWA’s climate change expectations suggest spring average rainfall decreases for northern New Zealand, including Auckland.
Dolphin numbers in the Indian Ocean may have dropped by more than 80 percent in recent decades, with an estimated 4 million small cetaceans caught as “by-catch” in commercial tuna-fishing nets since 1950, according to a study.
For decades, scientists have turned to the Labrador Sea to understand how ocean processes there may be affecting the strength of a massive oceanic conveyor belt known as the Atlantic Meridional Overturning Circulation.
A little over a year ago, a group called The Ocean Cleanup launched an unprecedented campaign to rid the seas of plastic, complete with an unprecedented device: a 600-meter-long, U-shaped tube that was meant to passively gather debris in the Great Pacific Garbage Patch for a ship to come along and scoop up and take back to land.