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

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Depth (cm) a Pb flux (mg/m2/yr) b 0 -10 -20 -30 -40 -50 -60 -70 -80 0 100 200 300 120 100 80 60 40 20 Pb (µg/g) 0 -10 -20 -30 -40 -50 -60 -70 -80 LLD = 3 µg/g 0 10 20 30 As (µg/g) DK total anthropogenic 0 1950 1960 1970 1980 1990 2000 Calibrated Age (Year AD) Anthropogenic Pb (% of total) c 0 -5 -10 -15 -20 0 20 40 60 80 100 80 60 GL Pb EF Shotyk et al., "Atmospheric Hg, Pb, and As in peat from Greenland...", revised version, April 15, 2003 DK 0 -5 -10 -15 -20 0 20 40 60 80 As EF 40 1950 1960 1970 1980 1990 2000 Calibrated Age (Year AD) DK FIGURE 5
Depth (cm) a Pb/Zr = UCC Depth (cm) Pb/Ti = UCC c 0 10 20 30 40 50 60 70 0 -5 -10 -15 -20 0 5 10 15 20 25 30 35 Pb (µg/g) DK DK GL GL residual leached total 80 80 0 50 100 150 200 1.13 1.14 1.15 1.16 1.17 1.18 1.19 Pb (µg/g) 0 10 20 30 40 50 60 70 Pb/Ti = 4x UCC Pb isotope "residual" 206Pb/207Pb 0 -5 -10 -15 lithogenic anthropogenic -20 0 100 200 Pb (µg/g) Shotyk et al., "Atmospheric Hg, Pb, and As in peat from Greenland...", revised version, April 15, 2003 Depth (cm) 0 10 20 30 40 50 60 70 80 90 0 5 10 15 90 b Pb (µg/g) 0 -5 -10 -15 lithogenic -20 0 10 20 30 As (µg/g) anthropogenic 0 1999 1994 1979 1970 -5 -10 -15 0 10 20 30 40 50 60 70 80 1.20 1.24 1.28 1.32 206Pb/207Pb leached residual -20 1.13 1.14 1.15 1.16 1.17 206Pb/207Pb 1959 1954 DENMARK FIGURE 6
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Fate of Mercury in the Arctic FATE
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Submitted to Atmospheric Environmen
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1. Introduction Mercury in the atmo
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For all flux measurements, heating
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esponse switching valves supplied b
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3.1 RGM flux measurements The resul
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estimating for Alert an average spr
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References 1. Businger J.A. and Onc
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Table captions Table 1. RGM mass ra
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Figure 2. RGM pg m-3 350 300 250 20
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Table 2 DAYHOURMON avg.temp avg.WS
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Fate of Mercury in the Arctic Paper
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FIGURE 1. Schematic diagram of the
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mass flow controller to 10 L/min an
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FIGURE 3. Trends in Hg 0 (upper plo
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FIGURE 6. Trends in several Hg spec
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FIGURE 7. Spatial patterns in month
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(51) Ebinghaus, R.; Kock, H. H.; Te
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The fate of elemental mercury in Ar
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Ozone was measured with an UV absor
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demonstrating that BrO and ClO with
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In the model the removal of GEM lea
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15. Kemp, K. and Wåhlin, P. Applic
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GEM, ng/m 3 Fig 3. GEM against ozon
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Fig. 6 Comparison of measured surfa
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Introduction The perennial oxidatio
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Ariya et al. (11) have shown recent
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Table 1 lists the binding energies
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and a classical densities of states
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The third point demonstrated in Fig
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7. Lamborg, C. H.; Fitzgerald, W.;
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Figure 1. k rec / cm 3 molecule -1
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Asian Chemistry Letters vol. XX, No
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496 M E Goodsite et al. In the pres
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498 M E Goodsite et al. Figure 1 Th
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500 M E Goodsite et al. observed a
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502 M E Goodsite et al. Table 1 14C
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504 M E Goodsite et al. annual reso
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514 M E Goodsite et al. Koenig B, L
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130 F. Roos-Barraclough et al. / Th
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ABSTRACT Mercury concentrations are
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INTRODUCTION Atmospheric pollution
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Page 264 and 265: corresponding to the alkaline igneo
Page 266 and 267: edges cut off the slices were dried
Page 268 and 269: Age dating using 14 C Plant macrofo
Page 270 and 271: espectively (Naucke et al., 1993).
Page 272 and 273: 200 was in the range 1 to 3 :g/m 2
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Page 276 and 277: leachable fraction, and 32.1 µg/g
Page 278 and 279: indicator of the concentration of a
Page 280 and 281: caused by the introduction of gasol
Page 282 and 283: porewaters reveals the influence of
Page 284 and 285: For example, Hg may become adsorbed
Page 286 and 287: of the GL profile. Comparison with
Page 288 and 289: further improve our knowledge of pr
Page 290 and 291: which are derived from them. In con
Page 292 and 293: ACKNOWLEDGEMENTS We are grateful to
Page 294 and 295: Bindler, R. (2003) Estimating the n
Page 296 and 297: of Southern Denmark. Goodsite, M.E.
Page 298 and 299: MacKenzie AB, Farmer JG, Sugden CL.
Page 300 and 301: Schroeder, W.H. and Munthe, J. (199
Page 302 and 303: Table 1. AMS 14 C dating of plant m
Page 304 and 305: Table 3. Pb isotope data of leachat
Page 306 and 307: esidual fractions of the “B” co
Page 309 and 310: Depth (cm) Depth (cm) a b 0 -10 -20
Page 311: Hg accumulation rate (µg/m2/yr) 10
Page 315 and 316: Depth (cm) a Depth (cm) b 0 -10 -20
Page 317 and 318: Depth (cm) Depth (cm) a b 0 -10 -20
Page 319 and 320: Saturday, 28 December 2002 (Revised
Page 321 and 322: INTRODUCTION Recent research utiliz
Page 323 and 324: In addition, the coring system incl
Page 325 and 326: and testing prior to the Carey Isla
Page 327 and 328: ACKNOWLEDGEMENTS Development of thi
Page 329 and 330: Fig. 5. The stainless steel (AISI 3
Page 331 and 332: Fig. 2. 13
Page 333 and 334: Fig. 4. 15
Page 335: Fig. 6. 17
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FATE OF MERCURY IN THE ARCTIC Michael Evan ... - COGCI

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