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carbon cycle

This tag is associated with 9 posts

Impact of Climate Change on Antarctic Waters

A recent study demonstrate the critical importance of Antarctic winds and meltwater to modeling the recent observed changes in Southern Ocean physical and biogeochemical properties. These results have implications for improving future climate projections. Channing PrendI’m a physical oceanography PhD student at Scripps Institution of Oceanography in La Jolla, California. I use a combination of […]

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, stimulate carbon drawdown and thus play a large role in glacial-interglacial transitions. Channing PrendI’m a physical oceanography PhD student at Scripps Institution of Oceanography in La Jolla, California. I use a combination of numerical models, […]

How important is carbon export by ocean eddies?

A recent paper uses an ocean model to investigate the relative importance of carbon sequestration by eddies transporting phytoplankton into the ocean interior. Results suggest that eddies may not be as important as we thought due to the compensation between transport by clockwise and counter-clockwise eddies. Channing PrendI’m a physical oceanography PhD student at Scripps […]

Antarctic Eddies Suck Carbon from the Atmosphere

A recent study from researchers at the University of Tasmania investigates the relationship between ocean eddies and phytoplankton growth in the Southern Ocean using satellite data. The results can help us understand and predict how the ocean’s ability to regulate climate might change in the future. Channing PrendI’m a physical oceanography PhD student at Scripps […]

What’s happening to carbon in the warming Arctic?

The Arctic, warming at unprecedented rates, is undergoing profound changes. Using recent atmospheric CO2 measurements, Su-Jong Jeong and his colleagues investigate how the carbon cycling in the Arctic has been changing, and what it means for the future of the region. Julia DohnerJulia is a PhD student at Scripps Institution of Oceanography in La Jolla, […]

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 mitigate climate change. Michael GrawI’m a 5th year PhD student at Oregon State University researching the microbial ecology of marine sediments – why do we find microbes where they are in the seafloor, and what […]

Oceans absorb more carbon with weaker ocean circulation

A team of researchers investigate why the ocean has been absorbing more carbon from the atmosphere in recent decades, and find ocean circulation could be responsible. Veronica TamsittI’m a PhD student at Scripps Institution of Oceanography in La Jolla California. My research is focused on the Southern Ocean circulation and it’s role in climate. For […]

Beyond CO2: Chemical Consequences of Our Love Affair with Fossil Fuels

Our world relies heavily on the burning of biological materials such as wood or fossil fuels to harness energy. While we all know that carbon dioxide (CO2) is a harmful byproduct of burning fuel, it’s not the only chemical formed during this process. These chemical byproducts may play a bigger and more complex role in […]

Coral Reefs Suffering from Ocean Acidification

Researchers investigated natural trends in carbonate chemistry of the Davies Reef flat in the central Great Barrier Reef on diel and seasonal timescales. They found the reef flat is below a calcification threshold, which implies that a transition in the reef may occur from a state of net calcification to dissolution, around 26.9% of the […]

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