#earth science
10 discoveries · Hand-picked discoveries from the open web, newest first.
-
One Shock, Many Responses in Zircon and Other Grains
A long-lived mineral grain, such as zircon, can be an invaluable tool for reconstructing impact events. But those long lives make for complex stories.
Eos · EN
-
Community Members Test Oklahoma Waters
What’s in Your Water? engages local residents in monitoring Oklahoma’s waterways and helps fill gaps in state water quality data.
Eos · EN
-
Earth's churning mantle may have created the Great Unconformity
Explaining the Great Unconformity, where Cambrian deposits sit on top of older rocks.
Ars Technica Science · EN
-
What Triggered an Ancient Magma Surge in the North Cascades?
A new, high-precision timeline helps clarify the story of a 79-million-year-old flare-up.
Eos · EN
-
Deep-Diving Rocks Reveal a Subduction Zone’s Thermal Secrets
Rocks exhumed from a subduction zone in Papua New Guinea suggest that temperature changes with depth in ways not previously predicted, calling into question current models of subduction.
Eos · EN
-
A medieval map mystery may finally be solved
“We’ll just have to think our way back, step by step.” That’s what the Dutch geodesist Roelof Nicolai said in 2014 in a Strange Maps article . Nicolai had just spent his PhD years discovering that portolan charts — those gorgeous, wind-rose-covered coastline maps that suddenly appeared in Mediterranean ports in the second half of the 13th century — were geometrically too accurate to have been made the way everyone assumed. Something else was going on. Twelve years on, we might have an answer. Tome Marelić, an assistant professor of geography at the University of Zadar in Croatia (and the curre
Big Think · EN
-
How Fine Can Global Storm Models Get?
A new study zooms in, literally, on how global models can capture precipitation and cloud cover in even more detail.
Eos · EN
-
Deltas Retain 28% of Global River Sediment, the Rest Enters the Ocean
Rivers transport sediment to the coast, but how much get offshore is a mystery. A new study shows that deltas retain 28% of the global riverine sediment discharge with most trapped in large deltas.
Eos · EN
-
Mapping Kīlauea’s Magma Reservoirs
Researchers used a dense seismometer network to monitor a combination of natural and truck-generated seismic signals and identify two regions of subsurface magma storage.
Eos · EN
-
U.S. River Sediment Transport Is Becoming “Burstier”
The time frame in which U.S. rivers move most of their sediment has compressed significantly, which could have implications for water treatment, aquatic habitats, erosion, and harmful algal blooms.
Eos · EN