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August 1, 2025Paleoceanography and Paleoclimatology

Climate‐Induced Variability in Sedimentary Mercury Deposition in the Southern Scotia Sea, Antarctic Zone, Over the Last 35 Kyr

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Authors

JKJihun KimDLDhongil LimHKHaryun Kim

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Overview

Sedimentary mercury analysis reveals climate change influences Hg deposition in the Southern Scotia Sea, suggesting sea-ice dynamics are critical.

Key Points

  • Hg deposition shows a close link to climate change, with elevated levels during the glacial period compared to the Holocene.
  • Higher productivity in the Holocene did not correlate with increased Hg fluxes, indicating other controlling factors at play.
  • Analysis of sediment cores from the southern Scotia Sea over 35 Kyr reveals important climatic influences on mercury cycling.
  • Findings emphasize the role of sea-ice dynamics and oceanic evasion in understanding mercury accumulation in polar regions.

Cite This Study

Kim et al. (2025) studied this question.

synapsesocial.com/papers/68af541fad7bf08b1eadb985https://doi.org/10.1029/2025pa005231
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Also Consider

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  1. 1Mercury deposition and bioaccumulation influenced by sea ice variability in coastal Antarctic ecosystems2024
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  4. 4Climate warming and atmospheric deposition jointly accelerate the Antarctic Peninsula atmosphere–glacier–land–ocean mercury loop2026
  5. 5Modeling the Mercury Cycle in the Sea Ice Environment: A Buffer between the Polar Atmosphere and Ocean2024