Most of the carbon disturbed by trawls is unreactive and difficult to convert to CO₂.
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Evidence in Earth’s natural archives, from tree rings to seafloor sediments, points to one trend. Some climate models suggest another.
Studying these deposits gives scientists information about how past environments change. That, in turn, gives us informed estimates on how climates and environments will change in the near future.
A paleooceanographer describes her ninth sea expedition, this time retrieving cylindrical ‘cores’ of the sediment and rock that’s as much as two miles down at the ocean floor.
The sediments that accumulate beneath seagrass meadows can act as secure vaults for shipwrecks and other precious artefacts, by stopping water and oxygen from damaging the delicate timbers.
Coal dust and oil can spread toxic chemicals hundreds of kilometres out to sea. But Australia’s monitoring guidelines do not meet the standards used in countries such as the United States.
Marine sediments provide evidence of climate variability in South Africa going back 270,000 years. These changes correspond with changes in the archaeological record of the country.
Principais colaboradores
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Distinguished Professor of Marine Science, King Abdullah University of Science and Technology
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Marine Scientist, James Cook University
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ARC DECRA Fellow, Edith Cowan University
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Postdoctoral Fellow, Uni Research
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Harold T. Stearns Professor of Earth Science, Wesleyan University
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Professor, Marine Ecology, Aarhus University
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Researcher, Institute of Oceanography, Hellenic Centre for Marine Research
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Senior Researcher, National Museum of Denmark
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Senior Lecturer, North-West University
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Professor of Earth and Environmental Sciences, Northern Arizona University
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Postdoctoral Research Associate in Climate Science, University of Arizona
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Professor of Marine Biology, Bangor University
