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Category: Biogeochemistry

Deep seafloor microbes are active at extreme temperatures
Biogeochemistry

Deep seafloor microbes are active at extreme temperatures

Researchers have discovered bacteria that redefine the temperature limit for sediment life.
February 28, 2022February 26, 2022 Sarah Brown
Forest fires: Can oceans help?
Atmospheric Science Biogeochemistry Biological oceanography

Forest fires: Can oceans help?

In a recent study, it was found that the aerosols released from recent Australian forest fires (September 2019-March 2020) fertilized…
February 18, 2022 Saumya Silori
Methane munchers: how will increases in ocean temperatures affect methane-eating archaea?
Biogeochemistry

Methane munchers: how will increases in ocean temperatures affect methane-eating archaea?

Tiny, single-celled archaea prevent the majority of sediment-trapped methane from reaching the atmosphere – but could warming waters change how…
January 31, 2022January 31, 2022 Sarah Brown
Biogeochemistry

Seasons change and so does Ocean Acidification in Alaska

Ocean Acidification is a global problem that can seasonally intensify in the Gulf of Alaska. Read on to learn how.
October 18, 2021October 18, 2021 Tricia Thibodeau
Volcanoes fuel life in the ocean
Biogeochemistry

Volcanoes fuel life in the ocean

Read about how volcanic ash travels hundreds of miles by wind and supplies iron, an essential nutrient, to ocean life.
October 7, 2021October 5, 2021 Jiwoon Park
Human activities worsen warming, acidification, and oxygen loss in the Southern California Bight
Biogeochemistry

Human activities worsen warming, acidification, and oxygen loss in the Southern California Bight

Climate change is causing global warming, ocean acidification, and decreasing oxygen levels in the ocean. According to detailed models, these…
August 30, 2021August 30, 2021 Kayla Mladinich
An unexpected source of deep-sea iron in the Southern Ocean fuels life at the ocean’s surface
Biogeochemistry Biological oceanography Biology deep sea Physical oceanography Remote Sensing

An unexpected source of deep-sea iron in the Southern Ocean fuels life at the ocean’s surface

The cold, dark Southern Ocean makes it difficult for phytoplankton, the plants of the sea, to get the resources they…
July 12, 2021July 13, 2021 Tricia Thibodeau
What do remote sensing, machine learning, and statistics have in common?  Enhancing the accuracy of seagrass monitoring, for one.
Biogeochemistry Climate Change Coastal Management Modeling Physical oceanography Remote Sensing Seagrass

What do remote sensing, machine learning, and statistics have in common? Enhancing the accuracy of seagrass monitoring, for one.

Citation: Ha NT, Manley-Harris M, Pham TD, Hawes I. A Comparative Assessment of Ensemble-Based Machine Learning and Maximum Likelihood Methods…
June 25, 2021June 25, 2021 Krti Tallam
The Ocean Robot Revolution
Biogeochemistry Climate Change Human impacts Methodology Ocean Acidification ocean engineering ocean engineerings Ocean Exploration

The Ocean Robot Revolution

This year marks the start of the United Nations Decade of Ocean Science. To reach its ambitious targets, we require…
February 3, 2021February 2, 2021 Emily Chua
Eutrophication in the Chesapeake Bay
Aquaculture Biogeochemistry Conservation Ecology Harmful Algal Bloom Human impacts Oysters Restoration

Eutrophication in the Chesapeake Bay

This post is in support of #BlackInMarineScience week highlighting Black scientists who have contributed to and are currently working in…
December 2, 2020December 1, 2020 Ashley Mickens
Mercurial fish: Climate change and temperature could change how much mercury you’re eating
Biogeochemistry Pollution

Mercurial fish: Climate change and temperature could change how much mercury you’re eating

Dr. Amina Schartup’s research focuses on many important issues to both marine and human health, including methylmercury concentration in fish.…
December 1, 2020December 1, 2020 Samantha Setta
Deep Breathing Underwater
Biogeochemistry Biological oceanography Biology Chemistry Climate Change Coastal Management deep sea Ecology engineerings Fisheries Glaciers Human impacts Methodology Modeling ocean engineering ocean engineerings Ocean Exploration Physical oceanography Sea Ice technology

Deep Breathing Underwater

The Labrador Sea is one of the lungs of the ocean. A new study finds that it is taking an…
February 28, 2020February 28, 2020 Emily Chua
Impact of Climate Change on Antarctic Waters
Biogeochemistry Climate Change Ocean Acidification Physical oceanography

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…
January 16, 2020 Channing Prend
Think global, act local: how lake microbes respond to their environments
Biogeochemistry Climate Change Ecology Genetics genomics Microbiology

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…
December 25, 2019December 26, 2019 Nyla Husain
Icebergs Fertilize Phytoplankton Growth
Biogeochemistry Biological oceanography Climate Change Glaciers

Icebergs Fertilize Phytoplankton Growth

Icebergs contain iron, the limiting nutrient for phytoplankton in the polar regions. Icebergs, therefore, have the potential to stimulate biological…
December 18, 2019 Channing Prend
A High-Flying Aquatic Robot
Atmosphere science Atmospheric Chemistry Atmospheric Science Biogeochemistry Biological oceanography Chemistry Climate Change Conservation Coral Cyclones engineerings Harmful Algal Bloom Hazards Human impacts Methodology Modeling ocean engineering ocean engineerings Ocean Exploration Pollution Restoration Sea Ice Sea-level Rise technology

A High-Flying Aquatic Robot

Inspired by the flying squid, researchers have built a robot that can launch itself from the water surface using water-reactive…
November 29, 2019November 30, 2019 Emily Chua
Key Role of Sea Ice in Glacial Cycles
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,…
November 20, 2019 Channing Prend
Biogeochemistry Book Review Climate Change Coastal Management Hazards Human Health Human impacts Plastic Pollution

Sunlight May Stimulate Breakdown of Ocean Plastic

A new study suggests that one form of plastic might not take as long to break down in the ocean…
October 25, 2019 Emily Chua
How important is carbon export by ocean eddies?
Biogeochemistry Physical oceanography

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…
September 20, 2019 Channing Prend
Antarctic phytoplankton blooms linked to seafloor topography
Biogeochemistry Physical oceanography

Antarctic phytoplankton blooms linked to seafloor topography

A recent study uses observations from robotic floats to examine phytoplankton blooms in the Southern Ocean. The data show that…
August 19, 2019 Channing Prend

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