sediments

Think global, act local: how lake microbes respond to their environments

How do microbes in lake sediments respond to small and large scale influences, and what does it have to do…

Biogeochemistry Climate Change Ocean Acidification

Gassing Earth Out of the Ice Age: the North Pacific

Enhanced upwelling and CO2 degassing from the North Pacific during a warm climate event 14,000 years ago may have helped…

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…

Book Review Pollution

Oil Spill Snorkels: Eating oil, breathing electrons, saving the world?

Oil spills are not great for the environment, but some bacteria thrive on eating oil. Scientists have been researching ways…

technology

Under the Sea(floor): Ocean Drilling and Scientific Discovery

Deep, dark, and mysterious, the ocean seafloor contains clues and records of past life and climates on earth. Understanding the…

Biogeochemistry Climate Change

Suffocating crabs and a one-way street for carbon

Seafloor life is in danger of running out of oxygen as the ocean warms, but this may actually help to…

Climate Change Geology Glaciers

Mountains vs. Climate, Recorded in Marine Sediment

Mountain ranges can actively evolve with Earth’s climate. A new study of the St. Elias Range in coastal Alaska demonstrates…

Climate Change Coastal Management Conservation Human impacts Seagrass

Seagrass, Disturbance, and the Blue Carbon Cycle

Seagrass beds bury carbon incredibly well! What happens to that carbon when you uproot, plow through, or otherwise disturb seagrasses?…

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 Geology Sea-level Rise

Climate Transgressions and Barrier Islands

Barrier Islands support local economies, residents, tourism, fragile environments, and sometimes valuable resources. Yet, they are extremely susceptible to storms…

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…

Biogeochemistry Coastal Management Ecology Hazards Human impacts Pollution

Out of sight, out of mind: The effect of gas & oil spills on deep-sea communities

When undersea wells blowout, toxic concentrations of hydrocarbons can be rapidly released into the environment. The media presents these blowouts…

Biogeochemistry Biology Chemistry Climate Change Human impacts

Fight of the Century: CO2 vs. Calcifying Phytoplankton

From the very first sentence of the abstract, these scientists make clear they are not messing around, "Ocean acidification is…

Biogeochemistry

A sticky situation: Old black carbon and sinking particulate organic carbon

The attachment of aged dissolved black carbon to sinking particles may be an important process for transporting organic carbon to…

Biogeochemistry Chemistry Human impacts

Sticking to it – Sediments act as a “sink” for pollution

POPs, or persistent organic pollutants, are manmade chemicals that don’t break down in the environment and are found nearly everywhere…