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FATE OF MERCURY IN THE ARCTIC Michael Evan ... - COGCI

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Hg accumulation rate (µg/m2/yr)<br />

1000<br />

300<br />

100<br />

30<br />

10<br />

3<br />

1<br />

0.3<br />

a<br />

GL<br />

0.1<br />

-1500 -1000 -500 0 500 1000 1500 2000<br />

Calibrated Age (Year BC/AD)<br />

Shotyk et al., "Atmospheric Hg, Pb, and As in peat from Greenland...", revised version, April 15, 2003<br />

Hg accumulation rate (µg/m2/yr)<br />

Hg accumulation rate (µg/m2/yr)<br />

200<br />

150<br />

100<br />

50<br />

0<br />

250<br />

200<br />

150<br />

100<br />

50<br />

b<br />

1950 1960 1970 1980 1990 2000<br />

c<br />

Calibrated Age (Year AD)<br />

0<br />

1950 1960 1970 1980 1990 2000<br />

Calibrated Age (Year AD)<br />

GL<br />

DK<br />

FIGURE 4

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