Modern and historic atmospheric mercury fluxes in northern Alaska: Global sources and Arctic depletion.

@article{Fitzgerald2005ModernAH,
  title={Modern and historic atmospheric mercury fluxes in northern Alaska: Global sources and Arctic depletion.},
  author={William F Fitzgerald and Daniel R Engstrom and Carl H Lamborg and C Mao Tseng and Prentiss H. Balcom and Chad R. Hammerschmidt},
  journal={Environmental science & technology},
  year={2005},
  volume={39 2},
  pages={557-68}
}
We reconstruct from lake-sediment archives atmospheric Hg deposition to Arctic Alaska over the last several centuries and constrain a contemporary lake/watershed mass-balance with real-time measurement of Hg fluxes in rainfall, runoff, and evasion. Results indicate that (a) anthropogenic Hg impact in the Arctic is of similar magnitude to that at temperate latitudes; (b) whole-lake Hg sedimentation determined from 55 210Pb-dated cores from the five small lakes demonstrates a 3-fold increase in… CONTINUE READING
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