Vertical distribution of Arctic haze in summer, winter, and the whole year Sulfur air concentrations and relative source-contribution (%) for different heights above the ground are shown The concentrations are averages over the Arctic area north of 70°N

Vertical distribution of Arctic haze in summer, winter, and the whole year Sulfur air concentrations and relative source-contribution (%) for different heights above the ground are shown The [..]
Vertical distribution of Arctic haze in summer, winter, and the whole year Sulfur air concentrations and relative source-contribution (%) for different heights above the ground are shown The concentrations are averages over the Arctic area north of 70°N

A comparison of the structures of the Bergen, Toronto, and Combined zonally-averaged global models

A comparison of the structures of the Bergen, Toronto, and Combined zonally-averaged global models
A comparison of the structures of the Bergen, Toronto, and Combined zonally-averaged global models

Arctic air masses and atmospheric transport routes

The mean position of the Arctic air mass in winter (January) and summer (July), superimposed on the (summer value % (orange) - winter value % (blue)) frequency of major south-to-north transport routes [..]
Arctic air masses and atmospheric transport routes

Cloud cover and precipitation in the Canadian High Arctic

Seasonal variation in a) cloud cover and precipitation occurrence and b) precipitation amount in the Canadian High Arctic, 1951-1980 norms
Cloud cover and precipitation in the Canadian High Arctic

Atmosphere-surface exchange

Schematic diagram of processes of atmosphere-surface exchange
Atmosphere-surface exchange

Precipitation rate measurements from Alert from January through April 1992 showing periods of no snow, periods of no snow measured due to wind events, and the relatively large quantities of precipitation on days during

Precipitation rate measurements from Alert from January through April 1992 showing periods of no snow, periods of no snow measured due to wind events, and the relatively large quantities of [..]
Precipitation rate measurements from Alert from January through April 1992 showing periods of no snow, periods of no snow measured due to wind events, and the relatively large quantities of precipitation on days during

SMART model results for selected soil and lake output variables at Christmas lakes for the past 90 years and for three future scenarios assuming a 0%, 70% and 95% reduction of the present sulfur deposition levels

SMART model results for selected soil and lake output variables at Christmas lakes for the past 90 years and for three future scenarios assuming a 0%, 70% and 95% reduction of the present sulfur [..]
SMART model results for selected soil and lake output variables at Christmas lakes for the past 90 years and for three future scenarios assuming a 0%, 70% and 95% reduction of the present sulfur deposition levels

MAGIC model results for the streamwater at Dalelva for the past 90 years and for three future scenarios assuming a 0%, 70%, and 95% reduction of the present sulfur deposition levels

MAGIC model results for the streamwater at Dalelva for the past 90 years and for three future scenarios assuming a 0%, 70%, and 95% reduction of the present sulfur deposition levels
MAGIC model results for the streamwater at Dalelva for the past 90 years and for three future scenarios assuming a 0%, 70%, and 95% reduction of the present sulfur deposition levels

PBDEs in Arctic air

PBDEs in Arctic air. Particles in Arctic haze allow BFRs to transport to the Arctic from more southerly source regions. This may include DecaBDE, which was previously thought not to transport over [..]
PBDEs in Arctic air

Arctic sea-level atmospheric pressure (July)

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

Precipitation in the Arctic

Distribution of precipitation (mm/y) in the Arctic
Precipitation in the Arctic

Concentrations of sum-HCH in Arctic air

Concentrations of sum-HCH in Arctic air
Concentrations of sum-HCH in Arctic air

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

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



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