Search Results - "Buchanan, Pearse J."
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Impact of intensifying nitrogen limitation on ocean net primary production is fingerprinted by nitrogen isotopes
Published in Nature communications (28-10-2021)“…The open ocean nitrogen cycle is being altered by increases in anthropogenic atmospheric nitrogen deposition and climate change. How the nitrogen cycle…”
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Marine nitrogen fixers mediate a low latitude pathway for atmospheric CO2 drawdown
Published in Nature communications (10-10-2019)“…Roughly a third (~30 ppm) of the carbon dioxide (CO 2 ) that entered the ocean during ice ages is attributed to biological mechanisms. A leading hypothesis for…”
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Zooplankton abundance and biomass size spectra in the East Antarctic sea-ice zone during the winter–spring transition
Published in Deep-sea research. Part II, Topical studies in oceanography (01-09-2016)“…Sea ice is an influential feature in Southern Ocean-Antarctic marine environments creating a 2-phase vertical ecosystem. The lack of information on how this…”
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Evidence that Pacific tuna mercury levels are driven by marine methylmercury production and anthropogenic inputs
Published in Proceedings of the National Academy of Sciences - PNAS (11-01-2022)“…Pacific Ocean tuna is among the most-consumed seafood products but contains relatively high levels of the neurotoxin methylmercury. Limited observations…”
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Multi‐decadal environmental change in the Barents Sea recorded by seal teeth
Published in Global change biology (01-05-2022)“…Multiple environmental forcings, such as warming and changes in ocean circulation and nutrient supply, are affecting the base of Arctic marine ecosystems, with…”
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An Arctic Strait of Two Halves: The Changing Dynamics of Nutrient Uptake and Limitation Across the Fram Strait
Published in Global biogeochemical cycles (01-09-2021)“…The hydrography of the Arctic Seas is being altered by ongoing climate change, with knock‐on effects to nutrient dynamics and primary production. As the major…”
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Global warming and arctic terns: Estimating climate change impacts on the world's longest migration
Published in Global change biology (01-10-2023)“…Climate change is one of the top three global threats to seabirds, particularly species that visit polar regions. Arctic terns migrate between both polar…”
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The simulated climate of the Last Glacial Maximum and insights into the global marine carbon cycle
Published in Climate of the past (22-12-2016)“…The ocean's ability to store large quantities of carbon, combined with the millennial longevity over which this reservoir is overturned, has implicated the…”
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Ocean carbon and nitrogen isotopes in CSIRO Mk3L-COAL version 1.0: a tool for palaeoceanographic research
Published in Geoscientific Model Development (16-04-2019)“…The isotopes of carbon (δ13C) and nitrogen (δ15N) are commonly used proxies for understanding the ocean. When used in tandem, they provide powerful insight…”
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Dynamic Biological Functioning Important for Simulating and Stabilizing Ocean Biogeochemistry
Published in Global biogeochemical cycles (01-04-2018)“…The biogeochemistry of the ocean exerts a strong influence on the climate by modulating atmospheric greenhouse gases. In turn, ocean biogeochemistry depends on…”
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11
Marine nitrogen fixers mediate a low latitude pathway for atmospheric CO 2 drawdown
Published in Nature communications (10-10-2019)“…Roughly a third (~30 ppm) of the carbon dioxide (CO ) that entered the ocean during ice ages is attributed to biological mechanisms. A leading hypothesis for…”
Get full text
Journal Article