Concentrations of sum-PCB in Arctic air (sum of CBs 28, 31, 52, 101, 105, 118, 138, 153, 156, 180)

Concentrations of sum-PCB in Arctic air (sum of CBs 28, 31, 52, 101, 105, 118, 138, 153, 156, 180)
Concentrations of sum-PCB in Arctic air (sum of CBs 28, 31, 52, 101, 105, 118, 138, 153, 156, 180)

Flux of HCH and sum-PCB (sum of 10 congeners) in precipitation at Heimaey Island, Iceland

Flux of HCH and sum-PCB (sum of 10 congeners) in precipitation at Heimaey Island, Iceland
Flux of HCH and sum-PCB (sum of 10 congeners) in precipitation at Heimaey Island, Iceland

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

Temporal trends in concentrations of sum-HCH and toxaphene in Arctic air

Temporal trends in concentrations of sum-HCH and toxaphene in Arctic air
Temporal trends in concentrations of sum-HCH and toxaphene in Arctic air

Arctic surface air temperature

Mean January and July surface air temperatures (°C) in the Arctic
Arctic surface air temperature

Arctic sea-level atmospheric pressure (January)

Mean atmospheric sea-level pressure (mb) in the Arctic in January
Arctic sea-level atmospheric pressure (January)

Composition of particles measured at different altitudes during winter flights in the Norwegian Arctic

Composition of particles measured at different altitudes during winter flights in the Norwegian Arctic
Composition of particles measured at different altitudes during winter flights in the Norwegian Arctic

Concentrations of As and V in aerosols measured during concurrent measurement campaigns on Svalbard and two locations in Alaska during April 1986

Concentrations of As and V in aerosols measured during concurrent measurement campaigns on Svalbard and two locations in Alaska during April 1986
Concentrations of As and V in aerosols measured during concurrent measurement campaigns on Svalbard and two locations in Alaska during April 1986

Development of a type 1 ozone anomaly The series of satellite images show total column ozone for a period of days spanning 6-26 January 1996

Development of a type 1 ozone anomaly The series of satellite images show total column ozone for a period of days spanning 6-26 January 1996
Development of a type 1 ozone anomaly The series of satellite images show total column ozone for a period of days spanning 6-26 January 1996

Trends in (annual average) ozone mixing ratio over Canada from 1980 to 1993

Trends in (annual average) ozone mixing ratio over Canada from 1980 to 1993
Trends in (annual average) ozone mixing ratio over Canada from 1980 to 1993

Ozone soundings at Gardermoen, southern Norway, 27 January 1992 The green line denotes the partial pressure of ozone observed during the (type 1) anomaly, when low-ozone air passed over the area

Ozone soundings at Gardermoen, southern Norway, 27 January 1992 The green line denotes the partial pressure of ozone observed during the (type 1) anomaly, when low-ozone air passed over the area
Ozone soundings at Gardermoen, southern Norway, 27 January 1992 The green line denotes the partial pressure of ozone observed during the (type 1) anomaly, when low-ozone air passed over the area

An example of a type 2 ozone anomaly, showing levels of ozone depletion relative to the long-term mean

An example of a type 2 ozone anomaly, showing levels of ozone depletion relative to the long-term mean
An example of a type 2 ozone anomaly, showing levels of ozone depletion relative to the long-term mean

Ozone soundings at Sodankylä, Finland, 23 March 1995 The green line denotes the profile of partial pressure of ozone observed during the (type 2) anomaly The red line shows the monthly mean ozone profile for March

Ozone soundings at Sodankylä, Finland, 23 March 1995 The green line denotes the profile of partial pressure of ozone observed during the (type 2) anomaly The red line shows the monthly mean ozone [..]
Ozone soundings at Sodankylä, Finland, 23 March 1995 The green line denotes the profile of partial pressure of ozone observed during the (type 2) anomaly The red line shows the monthly mean ozone profile for March

Time trends of mean methylmercury concentrations

Time trends of mean methylmercury concentrations
Time trends of mean methylmercury concentrations



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