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A 1500-year record of mercury isotopes in seal feces documents sea ice changes in the Antarctic - Communications Earth & Environment

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A 1500-year record of mercury isotopes in seal feces documents sea ice changes in the Antarctic - Communications Earth & Environment

Temporal and spatial variations in sea ice coverage at high Northern Hemisphere latitudes have been shown to affect the photodegradation of methylmercury in seawater and the mercury isotope signatures in biological samples, suggesting the potential of mercury isotopes to reconstruct sea ice variability. Here we study the mercury isotopic composition of a 1500-year sediment profile strongly affected by seal activities on the Fildes Peninsula, King George Island, Antarctic Peninsula.

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A 1500-year record of mercury isotopes in seal feces documents sea ice changes in the Antarctic - Communications Earth & Environment

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A 1500-year record of mercury isotopes in seal feces documents sea ice changes in the Antarctic - Communications Earth & Environment

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