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This is an archive of AGU's GeoSpace blog through 1 July 2020. New content about AGU research can be found on Eos and the AGU newsroom.

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8 May 2019

A new view of wintertime air pollution

The processes that create ozone pollution in the summer can also trigger the formation of wintertime air pollution, according to a new study led by CIRES and NOAA researchers. The team’s unexpected finding suggests that in the U.S. West and elsewhere, certain efforts to reduce harmful wintertime air pollution could backfire.

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29 April 2019

Un nuevo estudio profundiza en las Nubes de Venus

Investigadores han logrado visualizar lo que sucede en las nubes intermedias de esta gruesa capa en el atmosfero de Venus gracias a imágenes en infrarrojo, y se han topado con sorpresas.

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New research takes deeper look at Venus’s clouds

Researchers have used infrared images to spy into the middle layer of Venus’s clouds and they have found some unexpected surprises.

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6 December 2018

Scientists find causes of firenado in deadly Carr Fire

Climate, weather set the stage for uncontrollable inferno in Redding, California.

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31 October 2018

Not all coral reef islands may disappear with rising seas

Rising sea levels associated with climate change may not drown all coral reef islands, according to new research.

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4 September 2018

Polluted groundwater likely contaminated South Pacific Ocean coral reefs for decades

Groundwater containing excess nitrogen from agricultural fertilizers likely contaminated coral reefs on the Cook Islands during the second half of the 20th century, continuing for years after fertilizer use stopped, according to a new study. The finding suggests human activities have long-lasting impacts on coral reef communities and could be contributing to their decline.

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6 December 2017

Scientists capture Earth’s “hum” on ocean floor

Researchers have successfully quantified Earth’s vibrational “hum” using seismic instruments on the bottom of the ocean. A new study determined at the ocean bottom the frequencies at which the Earth naturally vibrates, and confirmed the viability of using ocean instruments to study the phenomenon.

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5 December 2017

Dark fiber: Using sensors beneath our feet to tell us about earthquakes, water and other geophysical phenomena

Scientists have shown for the first time that dark fiber – the vast network of unused fiber-optic cables installed throughout the country and the world – can be used as sensors for detecting earthquakes, the presence of groundwater, changes in permafrost conditions, and a variety of other subsurface activity.

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21 November 2017

Moon’s Crust Underwent Resurfacing after Forming from Magma Ocean

A research team took to the lab to recreate the magmatic melt that once formed the lunar surface and uncovered new insights on how the modern moonscape came to be. Their study found found that one of the great mysteries of the lunar body’s formation – how it could develop a crust composed largely of just one mineral – cannot be explained by the initial crust formation and must have been the result of some secondary event.

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24 October 2017

Scientists use seismic waves to measure tornado intensity

Seismic waves generated by tornadoes when they touch down could be used to measure a twister’s intensity, according to a new study that examined the May 2011 Joplin tornado. The findings could open the door to devising more accurate methods to study tornadoes from the ground.

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