The twice-daily ebb and flow of the sea have the power to change the planet. Weak tides could have allowed Earth to freeze over, and strong tides may have given vertebrates a leg up on land.
paleoclimatology & paleoceanography
Posted inNews
Ancient Water Underlies Arid Egypt
A hidden trove of groundwater is left over from the last ice age.
Posted inNews
North Carolina Bald Cypress Tree Is at Least 2,674 Years Old
Researchers say it’s the oldest-known living tree in eastern North America. If it hadn’t been protected, it could have ended up as garden mulch.
Posted inNews
Tree Rings Record 19th-Century Anthropogenic Climate Change
Paleoclimate records, observational data, and climate modeling capture the influence of human activity on temperature seasonality.
Posted inResearch Spotlights
Explaining Ocean Acidification Patterns During Ancient Warming
Asymmetrical changes in ocean circulation and the marine carbon cycle could account for different degrees of ocean acidification between the Pacific and Atlantic.
Posted inFeatures
The Search for the Severed Head of the Himalayas
To unearth the very first sediments to erode from the Himalayas, a team of scientists drilled beneath the Bay of Bengal.
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Atacama’s Past Rainfall Followed Pacific Sea Temperature
This is the first paleoclimate record of precipitation near Atacama’s hyperarid core and suggests that its moisture source is different from that of the Andes.
Posted inEditors' Vox
A Tribute to Wally Broecker
An editor of Paleoceanography and Paleoclimatology shares fond memories of his postdoc with Wally Broecker, who died in February.
Posted inResearch Spotlights
Late Cretaceous Extreme Warmth at High Southern Latitudes
New proxy data indicate sea surface temperatures at high southern latitudes reached over 35°C during a period of extreme greenhouse climate that began about 100 million years ago.
Posted inNews
Podcast: When the Sahara Was Green
Past climate change likely motivated human migrations.