Ice shelves, the floating extensions of the Antarctic and Greenland ice sheets, are not simply resting on the ocean waters: they rise, fall and bend with the tides. Ultimately, these oceanic motions impact the flow of ice coming from the glaciers that these ice shelves buttress. Ryan Walker and Christine Dow, researchers with the Cryospheric Sciences Laboratory at NASA Goddard Space Flight Center in Greenbelt, Maryland, recently spent more than a month doing fieldwork in Antarctica to study the influence of tidal movements on a small, little-studied ice shelf.
Arvia Technology is the winner of the Innovation Award at the Innovation Forum of the 10th Annual Water and Energy Exchange Global Conference in Portugal.
Renewable hydropower generated from desalination plants and other existing infrastructure would bring economic and environmental benefits to our biggest cities, according to new research from Griffith University.
A team of researchers from the Ben-Gurion University Zuckerberg Institute for Water Research, the BGU Department of Geological and Environmental Sciences, and the Israel Geological Survey have established that compared to seawater, saline groundwater obtained from coastal aquifers is a better water source for reverse osmosis (RO) desalination. The main reasons for this are the reduced pre-treatment costs and minimal membrane fouling. The research findings have been published in the Environmental Science & Technology journal.
Farmers in drought areas are especially concerned by this question. As fresh water resources become scarce, one option for water-conscious farmers is to water crops with treated wastewater.
Until now, the link between rising water temperatures and higher mortality rates in aquatic animals was a bit of a chicken-and-egg situation.
To address the need for collaborative research in the Polar Regions, Chief of Naval Research Rear Adm. Mat Winter met in Finland last week with counterparts from five nations in a first-ever gathering of senior defense officials to coordinate science and technology research in high latitudes.
After the Fukushima incident in Japan in March of 2011, where the nuclear power plant was hit by a tsunami, scientists used numerical models of ocean currents to predict the possible speed and direction of radioactive materials that had been released.
New research published in Nature Scientific Reports in February indicates that a warm ocean surface water prevailed during the last ice age, sandwiched between two major ice sheets just south of Greenland.
Improved agricultural water management could halve the global food gap by 2050 and buffer some of the harmful climate change effects on crop yields. For the first time, scientists investigated systematically the worldwide potential to produce more food with the same amount of water by optimizing rain use and irrigation. They found the potential has previously been underestimated. Investing in crop water management could substantially reduce hunger while at the same time making up for population growth. However, putting the findings into practice would require specific local solutions, which remains a challenge.
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