Paleoceanography

Tipping the iceberg: How Antarctic icebergs influence climate

Citation: Starr, A., et al. (2021). Antarctic icebergs reorganize ocean circulation during Pleistocene glacials. Nature,589(7841). https://doi.org/10.1038/s41586-020-03094-7 Ice ages have…

Can clays from northern Canada provide a 3,000-year temperature record of the Atlantic Ocean?

A sediment record from a lake in northern Canada is being used to reconstruct Atlantic Ocean temperatures at a resolution…

Paleoceanography

How much heat is stored in the oceans: Insights from ice cores

Reviewing: Shackleton, S., et al. “Global ocean heat content in the Last Interglacial.” Nature geoscience 13.1 (2020): 77-81. DOI: https://doi.org/10.1038/s41561-019-0498-0 Water…

Biogeochemistry Paleoceanography Physical oceanography Sea Ice

Key Role of Sea Ice in Glacial Cycles

A recent study using an idealized model finds that changes in Antarctic sea ice and circulation, triggered by atmospheric cooling,…

Paleoceanography

Marine Snow & Muddy Megacoring on the Southern Ocean

Check out this guest post by Marlo Garnsworthy to read about an exciting voyage to the Southern Ocean...Marlo took part…

Paleoceanography

The Once and Future Ocean

A newly collected sediment core from the Labrador Current gave Dr. Harunur Rashid a glimpse of the ancient ocean. What…

Paleoceanography

Paleoshorelines: Time capsules of the ocean’s ancient shorelines

In celebration of World Ocean’s Week, let’s take a moment to think about how far we have come in discovering…

Chemistry Climate Change Paleoceanography

The Bipolar See-Saw: Dansgaard-Oeschger Events and the Antarctic Climate

Within large timescales of glacial and interglacial periods, mini, rapid climate shifts may occur thanks to oceanic circulation processes and…

Biology Book Review Geology Glaciers Paleoceanography

Glaciers have big league role in silica budget.

Glaciers get a lot of attention because they’re expansive sheets of ice. They’re important to understand because they can impact…

Behavior Biological oceanography Biology Climate Change Developmental Biology Ecology Genetics geochemistry Geology Microbiology Ocean Acidification Paleoceanography Volcanoes

Sharkcano, a melting pot for biology

No, a Sharkcano is not a volcano that erupts sharks. IT IS WAY COOLER THAN THAT! It is a submarine…

Book Review Geology Paleoceanography

Mediterranean Magnetism shows Ancient Oceanic Crust

Compared to the continents, oceanic crust is relatively young, less than 200 million years. But in a corner of the…

Paleoceanography

Can bumps in the seafloor explain glacial-interglacial cycles?

The best scientific theories bring lots of things together in unexpected ways. This one has ice ages, seafloor volcanoes, sea…

Paleoceanography technology

Paleo-oceanography from satellite data reveal ancient tsunamis…on Mars?!

Extraplanetary tsunamis. Need I say more?

Paleoceanography

Tiny shells tell the history of Antarctic ice

Over the past 10,000 years, the West Antarctic Ice Sheet has gone through long periods of growth and long periods…

Geology Paleoceanography Sea-level Rise

The Down, Up, and Down Again of Chesapeake Bay

The Chesapeake Bay region is a densely populated area, and also experiences more rapid sea level rise than anywhere else…

Climate Change Human impacts Paleoceanography

CSI Holocene: Who started the fire?

Sediment and ice cores suggest that peaks in fire activity that happened 2,500 years ago in Europe was likely caused…

Climate Change geochemistry Paleoceanography

Balancing Act: Marine Sediments Reveal Past Carbon Cycle Fluxes

Researchers conducted a study that looks at marine sediment records to investigate sediment weathering patterns over long-term climate cycles. Somewhat…

Chemistry Climate Change Ocean Acidification Paleoceanography

Path of Corrosion: How Scientists Modeled Ancient Sea-Floor Acidity

Today, we see a rapid release of CO2 to the atmosphere associated with climate change. The same was true 55…

Biogeochemistry Geology Natural History Paleoceanography Sea-level Rise Volcanoes

A 2.5 billion year old story about iron in the ocean, told by a rock

New light has been shed on the possibility of an alternative iron sink than previous thought prior to the oxygenation…

Biology Climate Change Coastal Management Conference Coral Ecology Paleoceanography

Best of Benthics

The Top 5: Highlights and notes from an eventful Benthic Ecology Meeting!