Chemistry Paleoceanography
Where do diatoms hide their silver?
Where would you hide your silver? Diatoms like to hide their silver in their squishy insides.
Tag: paleoceanography
Climate Change Paleoceanography
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…
Volcanoes
Volcanoes and Climate: A Not-So-Explosive Relationship
Reviewing: Dee, Sylvia G., et al. “No consistent ENSO response to volcanic forcing over the last millennium.” Science 367.6485 (2020):…
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,…
Climate Change
Pacific flushing leads to carbon dioxide surges
While it might seem silly to care about what the ocean was doing 10,000 years ago, these old oceans impacted…
Biogeochemistry
Evidence of the Ocean Releasing CO2
Starting 8,000 years ago, a modest but unusual rise in atmospheric CO2 has kept our planet livable and paved 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…
Book Review
The oldest seawater chemically analyzed
Water water everywhere, water water always there, but how it’s changed you may not know, read this story and Spear…