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Category: Biogeochemistry

Mixing Up Microalgae
Biogeochemistry Biological oceanography Physical oceanography

Mixing Up Microalgae

A recent study shows that within the mixed layer—the region of the upper ocean where temperature and salinity are homogeneous—biological…
October 23, 2018October 23, 2018 Channing Prend
Reduction in Deforestation Influencing Atmospheric CO2
Biogeochemistry

Reduction in Deforestation Influencing Atmospheric CO2

Since 2000, atmospheric CO2 hasn’t been rising as quickly as we expected. It may be because plants on land have…
September 25, 2018October 8, 2018 Julia Dohner
Evidence of the Ocean Releasing CO2
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…
August 30, 2018August 30, 2018 Julia Dohner
Seasonal Ice Melt Shows Signs of Blooms
Biogeochemistry Physical oceanography technology

Seasonal Ice Melt Shows Signs of Blooms

Floats collected data underneath the ice during the winter and when the ice melted there were signs of phytoplankton blooms!…
July 27, 2018July 27, 2018 Melanie Feen
Sea Ice Modifies Biological Processes
Biogeochemistry Climate Change Physical oceanography Sea Ice

Sea Ice Modifies Biological Processes

A recent study investigates the relationship between sea ice variability and phytoplankton growth in climate models. Phytoplankton are responsible for…
July 2, 2018July 2, 2018 Channing Prend
Not So Organic Marine Snow
Biogeochemistry Biological oceanography deep sea Human Health Human impacts

Not So Organic Marine Snow

What happens when plastic pollution mixes into the ocean carbon cycle? Read to find out more about how plastic from…
June 27, 2018June 27, 2018 Melanie Feen
Gassing Earth Out of the Ice Age: the North Pacific
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…
May 9, 2018 Zoe Gentes
Predicted Change to the Southern Ocean Silicate Front
Biogeochemistry Climate Change Physical oceanography

Predicted Change to the Southern Ocean Silicate Front

The Southern Ocean Silicate Front (SF) is an important boundary separating waters that are silicate-rich and waters that are silicate-poor.…
May 7, 2018 Channing Prend
Biofilms are a prominent first step in the colonization of wood-falls
Biogeochemistry Biological oceanography Biology Book Review Climate Change deep sea Ecology Microbiology

Biofilms are a prominent first step in the colonization of wood-falls

A profound yet never-before-appreciated first step in the colonization of sulfur oxidizing bacteria on the surface of wood-debris in the…
April 16, 2018October 2, 2018 Anne M. Hartwell
Warmer Waters Will Trap Nutrients Down Deep
Biogeochemistry

Warmer Waters Will Trap Nutrients Down Deep

Climate change is warming the ocean and altering how deep water is transported. Researchers in this study estimate that by…
April 5, 2018April 4, 2018 Victoria Treadaway
Let it Sludge!
Biogeochemistry

Let it Sludge!

Marine snow has a lot in common with particles that form during waste water treatment. Read on to find out…
January 23, 2018January 18, 2018 Laura Zinke
Fate of Dissolved Carbon in the Antarctic
Biogeochemistry Climate Change Physical oceanography Sea Ice

Fate of Dissolved Carbon in the Antarctic

The ocean surrounding Antarctica, called the Southern Ocean, accounts for about 40% of the total global ocean carbon uptake. This…
December 15, 2017March 12, 2018 Channing Prend
What happens to CO2 levels during El Niño?
Biogeochemistry

What happens to CO2 levels during El Niño?

Thanks to NASA’s new Orbiting Carbon Observatory-2 satellite, we now know when and where CO2 levels change during El Niño,…
November 15, 2017November 15, 2017 Julia Dohner
The Subtle Response of Plants to Rising CO2 Levels
Biogeochemistry

The Subtle Response of Plants to Rising CO2 Levels

Plants need carbon dioxide. What do they do when there’s more and more of it in the atmosphere?
October 16, 2017June 6, 2019 Julia Dohner
New Evidence of Erosion, Weathering and CO2 Together Regulating Glacier Formation
Biogeochemistry

New Evidence of Erosion, Weathering and CO2 Together Regulating Glacier Formation

Ice cover on earth extends and recedes over thousands of years. But what drives these fluctuations? Moreover, what guarantees that…
September 18, 2017September 10, 2017 Julia Dohner
An arsenic surprise: How our buried past will catch up with us
Biogeochemistry

An arsenic surprise: How our buried past will catch up with us

Global sea level is expected to rise 0.8 to 1 meter by 2100 and may release arsenic trapped in soil.…
June 16, 2017 Victoria Treadaway
Suffocating crabs and a one-way street for carbon
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…
April 26, 2017April 25, 2017 Michael Graw
Methane on the dinner menu
Biogeochemistry Microbiology

Methane on the dinner menu

Bacteria in coastal waters can eat methane, a greenhouse gas - but just how much and how fast can they…
March 29, 2017 Michael Graw
Funny happenings in the tropical Pacific
Biogeochemistry

Funny happenings in the tropical Pacific

Nitrous oxide is a powerful greenhouse gas made by environmental microbes. In the ocean, microbes making this greenhouse gas live…
February 28, 2017February 26, 2017 Laura Zinke
A mercurial tug o’ war in Antarctic sea ice
Biogeochemistry Climate Change Conservation Microbiology Sea Ice

A mercurial tug o’ war in Antarctic sea ice

DNA from bacteria living in Antarctic sea ice provides a clue to the mysterious origins of methyl mercury in seawater…
December 16, 2016December 16, 2016 Abrahim El Gamal

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