Eos — One agricultural network was 5 times larger than earlier estimates, and the fields may be an early source of human-caused greenhouse gas emissions.
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History
Spy Satellite Reveals Accelerated Pace of Himalayan Glacier Melt
EOS.ORG — Images taken covertly in the 1970s have taken on a new purpose in a recent glaciology study.
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Scientists Discover Evidence of Long “Ocean Memory”
EOS.ORG — Measurements from a 19th century scientific expedition have revealed that the deep Pacific waters are cooling from lower global temperatures centuries ago.
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Podcast: Uncovering the Ozone Hole
EOS.ORG — I assisted with the latest episode of AGU’s podcast, Third Pod from the Sun. This episode features scientists whose work found the source of the ozone hole in the sky.
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Microbes Rain Down from Above, to the Tune of the Seasons
EOS.ORG — Every time snow or rain falls, it brings with it microbes from high in the atmosphere. Could those microbes have a seasonal signal, just like the plants on the land below?
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Lidar Uncovers Thousands of New Maya Structures
EOS.ORG — Jungle-piercing lidar surveys over ancient Maya sites give scientists the most extensive maps of lowland Maya civilization to date.
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Severe Drought May Have Helped Hasten Ancient Maya’s Collapse
EOS.ORG — For centuries, the Maya people relied on rain to keep them alive. But then, suddenly, the skies went dry.
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Shelf Awareness
ELEMENTS — In the last days of summer in 1982, Jack Barth prepared to leave for his first trip out to sea. He was 21 years old, fresh out of his bachelor’s degree program and about to start his graduate studies in physical oceanography at the Woods Hole Oceanographic Institution. He had traveled from Colorado to the waters of San Francisco Bay to help his soon-to-be graduate advisor collect instruments from a nearby ocean field site.
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