(a) Trajectories of five satellite-tracked buoys launched in Mackenzie Bay, Canada, and (b) results of 30-day trajectories of oil launched from five hypothetical spill locations in the Beaufort Sea

(a) Trajectories of five satellite-tracked buoys launched in Mackenzie Bay, Canada, and (b) results of 30-day trajectories of oil launched from five hypothetical spill locations in the Beaufort Sea
(a) Trajectories of five satellite-tracked buoys launched in Mackenzie Bay, Canada, and (b) results of 30-day trajectories of oil launched from five hypothetical spill locations in the Beaufort Sea

Schematic diagram of the Combined Model Ten climatic zones, each containing well-mixed compartments, are connected by meridional atmospheric and oceanic exchange

Schematic diagram of the Combined Model Ten climatic zones, each containing well-mixed compartments, are connected by meridional atmospheric and oceanic exchange
Schematic diagram of the Combined Model Ten climatic zones, each containing well-mixed compartments, are connected by meridional atmospheric and oceanic exchange

Major pathways of contaminants into and within the Arctic environment

A multi-compartment schematic diagram of the major pathways of contaminants into and within the Arctic environment
Major pathways of contaminants into and within the Arctic environment

Model evaluation comparing a five-day model simulation with results of an oil release experiment in the marginal ice zone near Svalbard in April 1993

Model evaluation comparing a five-day model simulation with results of an oil release experiment in the marginal ice zone near Svalbard in April 1993
Model evaluation comparing a five-day model simulation with results of an oil release experiment in the marginal ice zone near Svalbard in April 1993

A schematic of the three-level thermodynamic snow ice system model

A schematic of the three-level thermodynamic snow ice system model
A schematic of the three-level thermodynamic snow ice system model

Distribution of radioactivity (PCi/L) in the surface layer of the ocean after ten years of simulation of Preller's model Source locations are the Ob, Yenisey and Pechora Rivers, as well as Sellafield

Distribution of radioactivity (PCi/L) in the surface layer of the ocean after ten years of simulation of Preller's model Source locations are the Ob, Yenisey and Pechora Rivers, as well as Sellafield
Distribution of radioactivity (PCi/L) in the surface layer of the ocean after ten years of simulation of Prellers model Source locations are the Ob, Yenisey and Pechora Rivers, as well as Sellafield

Yearly and depth-averaged concentrations (Bq/m3) of 137Cs after 6 years from Harms' model The sources are instantaneous releases of 1 PBq from the dump sites in Abrosimov Bay, Stepovogo Bay, Tsivolky Bay, and Novaya Zemlya Trough

Yearly and depth-averaged concentrations (Bq/m3) of 137Cs after 6 years from Harms' model The sources are instantaneous releases of 1 PBq from the dump sites in Abrosimov Bay, Stepovogo Bay, Tsivolky [..]
Yearly and depth-averaged concentrations (Bq/m3) of 137Cs after 6 years from Harms model The sources are instantaneous releases of 1 PBq from the dump sites in Abrosimov Bay, Stepovogo Bay, Tsivolky Bay, and Novaya Zemlya Trough

Vertically integrated tracer burden shown after 15 years Units are burden per unit surface area, normalized by cumulative release Bottom topography is in meters; a) no neptune, centered difference, and b) neptune, flux-corrected transport

Vertically integrated tracer burden shown after 15 years Units are burden per unit surface area, normalized by cumulative release Bottom topography is in meters; a) no neptune, centered difference, [..]
Vertically integrated tracer burden shown after 15 years Units are burden per unit surface area, normalized by cumulative release Bottom topography is in meters; a) no neptune, centered difference, and b) neptune, flux-corrected transport

Surface water runoff from the Dalelva catchment, northeastern Norway, 2001–2003

Surface water runoff from the Dalelva catchment, northeastern Norway, 2001–2003. (a) streamwater flow and pH, (b) non-marine concentrations of sulfate and base cations, and (c) chloride and non-marine [..]
Surface water runoff from the Dalelva catchment, northeastern Norway, 2001–2003

Atmospheric sulphur cycle

Atmospheric sulphur cycle
Atmospheric sulphur cycle

Critical loads of acidity for soils

Critical loads of acidity for terrestrial ecosystems in northern Europe and Canada north of 60 degrees N.
Critical loads of acidity for soils

Sulphur dioxide concentrations in air and emissions from the smelter at Nikel

Annual SO2 concentrations in air at ground level at the Svanvik monitoring station, and SO2 emissions from the non-ferrous metal smelters at Nikel
Sulphur dioxide concentrations in air and emissions from the smelter at Nikel

SO2 concentration at the Svanvik monitoring station

Annual SO2 concentration in air at ground level at the Svanvik monitoring station and SO2 emissions from the non-ferrous metal smelters at Nikel
SO2 concentration at the Svanvik monitoring station

Contaminant emissions, transport and deposition in the Arctic

An illustration of the interplay between a) contaminant emissions distribution for sulfur dioxide and b) frequency of atmospheric south-to-north transport, yielding c) a net annual input of sulfur to [..]
Contaminant emissions, transport and deposition in the Arctic

Anthropogenic NOx emissions for 1985 north of 30°N

Anthropogenic NOx emissions for 1985 north of 30°N
Anthropogenic NOx emissions for 1985 north of 30°N



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