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speleothems

Scientists in hardhats excavate a cave.
Posted inNews

Past Seasons Hidden Underground

by C. Fogerty 13 March 202015 October 2021

Belgian paleoclimatologists study a fast-growing stalagmite to glean insight into seasonal climate from centuries past.

Carved Assyrian tablet with winged figures kneeling before a tree and cuneiform script beneath
Posted inNews

Megadrought Helped Topple the Assyrian Empire

Mary Caperton Morton, Science Writer by Mary Caperton Morton 15 January 202028 February 2023

Paleoclimate records shed light on the ancient civilization’s meteoric rise and catastrophic collapse.

Stalagmites in a cave in Budapest, Hungary
Posted inNews

The Akkadian Empire—Felled by Dust?

Katherine Kornei, Science Writer by Katherine Kornei 31 January 201930 March 2023

Chemical measurements of a stalagmite from a cave in Iran reveal a large uptick in dust activity in northern Mesopotamia roughly 4,200 years ago, coincident with the decline of the Akkadian Empire.

Researchers examine cave stalagmites to understand how ice rafting events influence monsoon hydroclimate.
Posted inResearch Spotlights

How Ice Rafting Events Affect Asian Monsoon Hydroclimate

Sarah Stanley, Science Writer by Sarah Stanley 9 April 201816 March 2023

Cave stalagmites provide isotopic evidence that Bond events and Heinrich events have more variable effects on Asian monsoon hydroclimate during the last glacial period than during the Holocene.

white-moon-cave-santa-cruz-california
Posted inNews

Subterranean Caverns Hold Clues to Past Droughts

JoAnna Wendel, freelance science writer and illustrator by JoAnna Wendel 31 August 20167 March 2023

Cave formations offer highly resolved paleoclimate data that scientists plan to use to reconstruct California's ancient patterns of drought.

Posted inResearch Spotlights

Cave "Breathing" Affects Mineral Growth and Climate Clues

by J. Calderone 30 September 201518 October 2022

A new global model suggests how and where air flow in caves affects the growth of cave mineral deposits that scientists use to reconstruct ancient climates.

Posted inResearch Spotlights

A Dearth of Hurricanes Cannot Explain Maya Collapse

by C. Schultz 2 December 201429 September 2022

Mud layers in a stalagmite from a cave on the Yucatán Peninsula show hurricane activity was steady or elevated throughout the Maya collapse.

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