Groundwater discharge affects water quality in coastal waters

Water quality management in the ocean often targets visible pollution sources such as sewage, rivers or ships. A new global study, led by researchers at the University of Gothenburg, reveals that invisible groundwater discharges ...

Improving the global budget for atmospheric methanol

New aircraft survey data show that although atmospheric chemistry above remote ocean regions is a considerable source of methanol production, the ocean's net methanol emission is minor.

Sea butterflies already struggle in acidifying Southern Ocean

The oceans are becoming more acidic because of the rapid release of carbon dioxide (CO2) caused by anthropogenic (human) activities, such as burning of fossil fuels. So far, the oceans have taken up around 30% of all anthropogenic ...

New insight into the Great Dying

A new study shows for the first time that the collapse of terrestrial ecosystems during Earth's most deadly mass extinction event was directly responsible for disrupting ocean chemistry.

Ocean acidification prediction now possible years in advance

CU Boulder researchers have developed a method that could enable scientists to accurately forecast ocean acidity up to five years in advance. This would enable fisheries and communities that depend on seafood negatively affected ...

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Ocean chemistry

Ocean chemisty, also known as marine chemistry, is influenced by turbidity currents, sediments, PH levels, atmoshperic constituents, metamorphic activity, and ecology. The field of chemical oceanography studies the chemistry of marine environments including the influences of different variables.

The impact of increased carbon dioxide levels in the Earth's atmosphere on ocean chemistry from anthropogenic factors is an important area of study related to global warming and climate change. Researchers are studying how anthropogenic factors will impact and influence ocean chemistry and the related ecology of marine environments over the short and long term.

A planetary scientist using data from the Cassini spacecraft has been researching the marine chemistry of Saturn's moon Enceladus using geochemical models to look at changes through time. The presece of salts may indicate a liquid ocean within the moon, raising the possiblity of the existence of life, "or at least for the chemical precursors for organic life".

Scientists have expressed concern over increased carbon dioxide levels being absorbed into the oceans and causing acidification. The phenomenon has been implicated by scientists studying declining oyster populations on the pacific coast of the United States. One proposal suggests dumping massive amounts of lime, a base, to reverse the acidification and "increase the sea's ability to absorb carbon dioxide from the atmosphere".

Special marine environments are created around Black smokers and Cold seeps.

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