A team of researchers with members affiliated with several institutions in the U.S. and China has found two stalagmites that offer a way to improve the accuracy of the carbon-14 dating technique. In their paper published ...
Tree-ring analysis—so-called dendrochronological analysis—has been part of archaeology for many years and has made it possible for archaeologists to date old wooden objects with great precision. And in many cases, they ...
Archaeology
Mar 3, 2023
0
36
The Florida horse conch population—one of the world's largest invertebrate animals—is shrinking. Established in 1969 as the Florida state shell with a record length of two feet, it has become symbolic of Florida's natural ...
Ecology
Apr 6, 2022
0
65
With the Cascadia Subduction Zone parked off the coast and shallow faults lurking under most major cities, the Puget Sound area already faces a daunting array of seismic scenarios. A new study adds another: the possibility ...
Earth Sciences
Oct 1, 2023
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38
A new 1,200 year-long time series based on tree rings shows that the current warming is unprecedented during this period. This is reported by researchers from the Swiss Federal Institute for Forest, Snow and Landscape Research ...
Environment
Aug 3, 2023
7
464
The famous 1700 Cascadia earthquake that altered the coastline of western North America and sent a tsunami across the Pacific Ocean to Japan may have been one of a sequence of earthquakes, according to new research presented ...
Earth Sciences
Apr 20, 2021
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830
A new study of the oldest trees in Mexico provides the first ever detailed, year-by-year look at the climate of Mesoamerica over a thousand-year span. The data, gathered from the annual growth rings in trees, supplies precise ...
Earth Sciences
Apr 18, 2011
3
0
An international group of researchers has dated a large volcanic eruption in Iceland to within a few months. The eruption, which is the oldest volcanic eruption to be precisely dated at high northern latitudes, occurred shortly ...
Earth Sciences
Jun 30, 2017
0
346
(Phys.org)—A pair of researchers affiliated with the Natural History Museum in Chemnitz and Technische Universität Bergakademie Freiberg, both in Germany, has found evidence in ancient tree rings of a solar sunspot cycle ...
In searching for planets and studying their stars, I've had the privilege to use some of the world's great telescopes. However, our team has recently turned to an even larger system to study the cosmos: Earth's forests.
Astronomy
Oct 29, 2022
1
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