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Agriculture & Environment

Earth Sciences
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Uneven Nutritional Payoffs for Marine Predators Revealed

New study finds that the nutritional value of prey within a single species can widely vary, offering key insights for food web dynamics and ecosystem change The hunt is on and a predator finally zeroes in on its prey. The animal consumes the nutritious meal and moves on to forage for its next target. But how much prey does a predator need to consume? Following a period of massive starvation among animals living along the California coast, University of California…

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Earth Sciences

California’s troubled waters

New space observations reveal that since October 2003, the aquifers for California’s primary agricultural region – the Central Valley – and its major mountain…

Earth Sciences

Tropical Depression 05B Weakens Near Sri Lanka Coast

The Joint Typhoon Warning Center issued its final advisory on Tropical Depression 05B, also known as Tropical Storm Ward, on Sunday, December 13 at 2100 UTC (4…

Earth Sciences

Tropical Cyclone Mick Hits Fiji: Impacts and Recovery Update

Viti Levu authorities reported torrential rainfall and gale force winds that caused power outages. Fortunately, there were no casualties. The Fiji Times…

Earth Sciences

Tropical Storm Laurence Poised for Second Aussie Landfall

Laurence is forecast to make landfall in the Kimberley region, move southwest through the northern area of the Great Sandy Desert and into the Pilbara region. At 0900 UTC (4 a.m. ET) on December 14, Tropical Storm Laurence had maximum sustained winds near 52 mph and was located 185 miles west-southwest of Darwin, Australia. That's near 13.5 South and 127.8 East. It was moving west-southwest near 6 mph, in the direction of its second landfall. It was generating waves near 12 feet, so beach erosion along the northern coasts of Western Australia can be expected near where Laurence makes landfall in the next day….

Earth Sciences

New study turns up the heat on soot's role in Himalayan warming

Soot from fire in an unventilated fireplace wafts into a home and settles on the surfaces of floors and furniture. But with a quick fix to the chimney flue and…

Earth Sciences

A unique geography — and soot and dust — conspire against Himalayan glaciers

The Himalayas, home to the tallest mountains on Earth, include more than 110 peaks and stretch 2,500 kilometers (1,550 miles). Bounded to the north by the…

Earth Sciences

Climate Change Linked to Rising Hypoxia Levels Explored

The findings are intriguing as scientists are exploring whether climate change may be contributing to outbreaks of hypoxia – or extremely low oxygen levels –…

Earth Sciences

4.5 Million-Year-Old Whale Fossil Discovery in Huelva

This is not the first discovery of the partial fossil remains of a whale from the Lower Pliocene (five million years ago) in the Huelva Sands sedimentary…

Earth Sciences

From greenhouse to icehouse — reconstructing the environment of the Voring Plateau

The analysis of microfossils found in ocean sediment cores is illuminating the environmental conditions that prevailed at high latitudes during a critical…

Earth Sciences

Ancient DNA Unveils Megafauna Survival in Frozen Alaska

Extinct woolly mammoths and ancient American horses may have been grazing the North American steppe for several thousand years longer than previously thought. After plucking ancient DNA from frozen soil in central Alaska, a team of researchers used cutting-edge techniques to uncover “genetic fossils” of both species locked in permafrost samples dated to between 7,600 and 10,500 calendar years. This new evidence suggests that at least one population of these now-extinct mammals endured longer in the continental interior, challenging the conventional view that these and other large species, or megafauna, disappeared from the Americas about 12,000 years ago….

Earth Sciences

Irrigation decreases, urbanization increases monsoon rains

Monsoon rainfall has decreased over the last 50 years in rural areas where irrigation has been used to increase agriculture in northern India, said Dev Niyogi,…

Earth Sciences

Laurence Makes Landfall in Western Australia: Key Details

At 06:00 UTC (1 a.m. ET) Laurence's center was located near 14.6 South and 125.4 East. Its center was just northeast of Derby, which is located on the coast in…

Earth Sciences

Yellowstone's Plumbing Exposed

A related University of Utah study used gravity measurements to indicate the banana-shaped magma chamber of hot and molten rock a few miles beneath Yellowstone…

Earth Sciences

Low-cost temperature sensors, tennis balls to monitor mountain snowpack

The University of Washington assistant professor of civil and environmental engineering uses dime-sized temperature sensors, first developed for the…

Earth Sciences

Vertical Evacuations: Escaping Tsunamis by Moving Up

The traffic jam resulting from the mass exodus kept most of them squarely in the danger zone, had a tsunami followed the magnitude 7.6 temblor. Stanford…

Environmental Conservation

Climate change financing – the role of development cooperation

Available funding for addressing climate change and other environmental issues is but a fraction of what is needed. Swedish prime minister Fredrik Reinfeldt…

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