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Пишет tristes_tigres (![[info]](http://lj.rossia.org/img/userinfo.gif){kind=small} tristes_tigres) |
Long-term records of atmospheric
deposition of mercury in peat cores
from Arctic, and comparison with
bogs in the temperate zone
Nicolas Givelet
Institute of Geological Sciences
University of Berne
PhD dissertation
...
While Hg
accumulation rates have gone into strong decline since the late 1950`s, Hg deposition rates today
still exceed the average natural background values by 7 to 13 times.
...
February 2004
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