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Changes with time in European atmospheric emissions of Cd, Pb and Zn

Changes with time in European atmospheric emissions of Cd, Pb and Zn
Changes with time in European atmospheric emissions of Cd, Pb and Zn

Illustration of the concept of a) the 'zone of influence' through major contaminant pathways from a major source region, and b) the 'contaminant focussing zone' resulting from the convergence of pathways carrying contaminants from a variety of sources

Illustration of the concept of a) the 'zone of influence' through major contaminant pathways from a major source region, and b) the 'contaminant focussing zone' resulting from the convergence of [..]
Illustration of the concept of a) the zone of influence through major contaminant pathways from a major source region, and b) the contaminant focussing zone resulting from the convergence of pathways carrying contaminants from a variety of sources

(a) Vertical distribution of SOx (SO2 + SO42-) concentrations averaged over the area north of 75°N, and (b) contributions from the different sources

(a) Vertical distribution of SOx (SO2 + SO42-) concentrations averaged over the area north of 75°N, and (b) contributions from the different sources
(a) Vertical distribution of SOx (SO2 + SO42-) concentrations averaged over the area north of 75°N, and (b) contributions from the different sources

Summer and winter visibility observations (for relative humidities less than 80%) for the period 1951 to 1993 in North America

Summer and winter visibility observations (for relative humidities less than 80%) for the period 1951 to 1993 in North America
Summer and winter visibility observations (for relative humidities less than 80%) for the period 1951 to 1993 in North America

Source regions for HCH, chlordane, toxaphene, and PCBs in Arctic air based on 5-day back-trajectories for elevated air concentrations at Tagish, Alert, and Ny-Ålesund

Source regions for HCH, chlordane, toxaphene, and PCBs in Arctic air based on 5-day back-trajectories for elevated air concentrations at Tagish, Alert, and Ny-Ålesund
Source regions for HCH, chlordane, toxaphene, and PCBs in Arctic air based on 5-day back-trajectories for elevated air concentrations at Tagish, Alert, and Ny-Ålesund

Relative tissue concentrations of organochlorine compounds detected in lichen, and in adipose tissue of caribou and wolf at three locations in the Northwest Territories, Canada

Relative tissue concentrations of organochlorine compounds detected in lichen, and in adipose tissue of caribou and wolf at three locations in the Northwest Territories, Canada
Relative tissue concentrations of organochlorine compounds detected in lichen, and in adipose tissue of caribou and wolf at three locations in the Northwest Territories, Canada

delta-15 Nitrogen isotope ratios versus Toxaphene, DDT, and HCH for fish and invertebrates from Lake Laberge, Yukon Territory

delta-15 Nitrogen isotope ratios versus Toxaphene, DDT, and HCH for fish and invertebrates from Lake Laberge, Yukon Territory
delta-15 Nitrogen isotope ratios versus Toxaphene, DDT, and HCH for fish and invertebrates from Lake Laberge, Yukon Territory

alpha-HCH (ng/L) in seawater: an illustration of the cold condensation effect

alpha-HCH (ng/L) in seawater: an illustration of the cold condensation effect
alpha-HCH (ng/L) in seawater: an illustration of the cold condensation effect

Trends in alpha-HCH and enantiomer ratios (ER) on a transect from the Bering Sea across the polar cap to the Greenland Sea during the Arctic Ocean Transect Study of July and August 1994

Trends in alpha-HCH and enantiomer ratios (ER) on a transect from the Bering Sea across the polar cap to the Greenland Sea during the Arctic Ocean Transect Study of July and August 1994
Trends in alpha-HCH and enantiomer ratios (ER) on a transect from the Bering Sea across the polar cap to the Greenland Sea during the Arctic Ocean Transect Study of July and August 1994

Water/air fugacity ratios (fw/fa) of alpha-HCH and gamma-HCH on a transect from the Bering Sea to the Greenland Sea in July and August 1994 A fugacity ratio of 1 indicates air-water equilibrium

Water/air fugacity ratios (fw/fa) of alpha-HCH and gamma-HCH on a transect from the Bering Sea to the Greenland Sea in July and August 1994 A fugacity ratio of 1 indicates air-water equilibrium
Water/air fugacity ratios (fw/fa) of alpha-HCH and gamma-HCH on a transect from the Bering Sea to the Greenland Sea in July and August 1994 A fugacity ratio of 1 indicates air-water equilibrium

Migration patterns of four main stocks of eider ducks from the Canadian Arctic Organochlorines in the same four stocks

Migration patterns of four main stocks of eider ducks from the Canadian Arctic Organochlorines in the same four stocks
Migration patterns of four main stocks of eider ducks from the Canadian Arctic Organochlorines in the same four stocks

Correlations between concentrations (lw) of major persistent OCs and trophic level in the marine food web for Svalbard and Lancaster Sound Trophic level data were assigned based on Hobson and Welch (1992)

Correlations between concentrations (lw) of major persistent OCs and trophic level in the marine food web for Svalbard and Lancaster Sound Trophic level data were assigned based on Hobson and Welch [..]
Correlations between concentrations (lw) of major persistent OCs and trophic level in the marine food web for Svalbard and Lancaster Sound Trophic level data were assigned based on Hobson and Welch (1992)

Global emissions of trace metals to the atmosphere from natural sources Numbers under the columns are the range of estimates of the emissions in thousands of tonnes per year

Global emissions of trace metals to the atmosphere from natural sources Numbers under the columns are the range of estimates of the emissions in thousands of tonnes per year
Global emissions of trace metals to the atmosphere from natural sources Numbers under the columns are the range of estimates of the emissions in thousands of tonnes per year

Spatial distribution of emissions of Pb within the 150 km x 150 km EMEP grid system for the area north of latitude 50° N in 1989

Spatial distribution of emissions of Pb within the 150 km x 150 km EMEP grid system for the area north of latitude 50° N in 1989
Spatial distribution of emissions of Pb within the 150 km x 150 km EMEP grid system for the area north of latitude 50° N in 1989

Comparison of global emissions of trace metals to the atmosphere from natural and anthropogenic sources in 1983 Numbers under the columns are the median values of estimates of total emissions in thousands of tonnes per year

Comparison of global emissions of trace metals to the atmosphere from natural and anthropogenic sources in 1983 Numbers under the columns are the median values of estimates of total emissions in [..]
Comparison of global emissions of trace metals to the atmosphere from natural and anthropogenic sources in 1983 Numbers under the columns are the median values of estimates of total emissions in thousands of tonnes per year
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