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21 February 2018

Evidence of surprising ocean warming around Galápagos corals

The ocean around the Galápagos Islands has been warming since the 1970s, according to a new analysis of the natural temperature archives stored in coral reefs.

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20 February 2018

Found: “Footprint” of Jupiter’s moon Callisto

The elusive “footprint” of Jupiter’s moon Callisto has been spotted for the first time near the south pole of the giant planet, according to a new study.

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8 February 2018

New Hayward Fault earthquake simulations increase fidelity of ground motions

Scientists have used some of the world’s most powerful supercomputers to model ground shaking for a magnitude (M) 7.0 earthquake on the Hayward Fault and show more realistic motions than ever before.

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Urban heating punches city-shaped holes in fog over India

Scientists have observed discrete holes in widespread fog directly above cities in India, other regions of Asia and Europe. The fog holes increase in size as city populations increase, and the researchers suspect the urban heat island effect is likely to blame for the striking phenomenon.

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6 February 2018

Fossilized feature records Moon’s slow retreat from Earth

New research provides insight into the Moon’s excessive equatorial bulge, a feature that solidified in place over four billion years ago as the Moon gradually distanced itself from the Earth. A new study sets parameters on how quickly the Moon could have receded from the Earth and suggests the nascent planet’s hydrosphere was either non-existent or still frozen at the time, indirectly supporting the theory of a fainter, weaker Sun that at the time radiated around 30 percent less energy than it does today.

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29 January 2018

Researchers find way to give advanced notice for hailstorms

A new study identifies a method for predicting the likelihood of damaging hailstorms in the United States—up to three weeks in advance. Hail is the most economically destructive hazard posed by severe thunderstorms, producing on average billions of dollars in U.S. losses each year, including damage to roofs, homes and especially crops.

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25 January 2018

New study reveals how icy surface ponds on Himalayan glaciers influence water flow

The flow of water that supports hydro-electric and irrigation infrastructure in the mountain regions of Nepal and India is regulated by hundreds of large icy ponds on the surface of some of the world’s highest glaciers, scientists have revealed.

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24 January 2018

Rise in severity of hottest days outpaces global average temperature increase

While Earth’s average annual temperature has increased at a steady pace in recent decades, there has been an alarming jump in the severity of the hottest days of the year during that same period, with the most lethal effects in the world’s largest cities, a new study finds.

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Stored heat released from ocean largely responsible for recent streak of record hot years

Global temperatures spiked during the record warm years of 2014 to 2016 largely because El Niño released an unusually large amount of heat generated by greenhouse gas emissions and stored in the Pacific Ocean, a new study finds.

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Dust on snow controls springtime river rise in West

A new study has found that dust, not spring warmth, controls the pace of spring snowmelt that feeds the headwaters of the Colorado River.

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