Sensitivity of Arctic ecosystems to acid deposition

Sensitivity of Arctic ecosystems to acid deposition
Sensitivity of Arctic ecosystems to acid deposition

(a) Critical deposition of sulfur, and (b) its exceedance, in forest soils of northern Europe and Russia (5th percentile of the calculation points in each EMEP grid cell)

(a) Critical deposition of sulfur, and (b) its exceedance, in forest soils of northern Europe and Russia (5th percentile of the calculation points in each EMEP grid cell)
(a) Critical deposition of sulfur, and (b) its exceedance, in forest soils of northern Europe and Russia (5th percentile of the calculation points in each EMEP grid cell)

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

Comparison of the predicted flux of 137Cs in milk and reindeer meat in different Arctic areas, for the first year after an assumed uniform deposition of 100 kBq/m2

Comparison of the predicted flux of 137Cs in milk and reindeer meat in different Arctic areas, for the first year after an assumed uniform deposition of 100 kBq/m2
Comparison of the predicted flux of 137Cs in milk and reindeer meat in different Arctic areas, for the first year after an assumed uniform deposition of 100 kBq/m2

Relative 137Cs output in foodstuffs from the different Arctic Norwegian counties in the first year after an assumed uniform deposition of 100 kBq/m2

Relative 137Cs output in foodstuffs from the different Arctic Norwegian counties in the first year after an assumed uniform deposition of 100 kBq/m2
Relative 137Cs output in foodstuffs from the different Arctic Norwegian counties in the first year after an assumed uniform deposition of 100 kBq/m2

The comparative importance of different foodstuffs as sources of 137Cs for the three Arctic Norwegian counties over the 1-year and 50-year period following an assumed uniform deposition of 100 kBq/m2

The comparative importance of different foodstuffs as sources of 137Cs for the three Arctic Norwegian counties over the 1-year and 50-year period following an assumed uniform deposition of 100 kBq/m2
The comparative importance of different foodstuffs as sources of 137Cs for the three Arctic Norwegian counties over the 1-year and 50-year period following an assumed uniform deposition of 100 kBq/m2

Time series of emissions of SO2 from European sources (Mylona 1993) and two major sources on the Kola Peninsula

Time series of emissions of SO2 from European sources (Mylona 1993) and two major sources on the Kola Peninsula
Time series of emissions of SO2 from European sources (Mylona 1993) and two major sources on the Kola Peninsula

The time series of (a) weekly-averaged non-seasalt (nss) sulfate aerosol at Alert, NWT, Canada, (b) monthly-averaged sulfate aerosol at Ny Ålesund, Norway, (c) weekly-averaged nitrate at Alert, and (d) weekly-averaged hydrogen ion at Alert

The time series of (a) weekly-averaged non-seasalt (nss) sulfate aerosol at Alert, NWT, Canada, (b) monthly-averaged sulfate aerosol at Ny Ålesund, Norway, (c) weekly-averaged nitrate at Alert, and [..]
The time series of (a) weekly-averaged non-seasalt (nss) sulfate aerosol at Alert, NWT, Canada, (b) monthly-averaged sulfate aerosol at Ny Ålesund, Norway, (c) weekly-averaged nitrate at Alert, and (d) weekly-averaged hydrogen ion at Alert

Emission rates of sulfur dioxide from Nikel together with annual average SO2 air concentrations measured at two sites in Norway (1978-1992)

Emission rates of sulfur dioxide from Nikel together with annual average SO2 air concentrations measured at two sites in Norway (1978-1992)
Emission rates of sulfur dioxide from Nikel together with annual average SO2 air concentrations measured at two sites in Norway (1978-1992)

Concentrations of (a) sulfate and (b) nitrate in snow

Concentrations of (a) sulfate and (b) nitrate in snow
Concentrations of (a) sulfate and (b) nitrate in snow

Historical records of a) NO3- and b) SO42- concentrations from the Greenland icecap at Dye 3 c) A comparison of trends in the average SO42- and SO42- plus NO3- concentrations at Dye 3 in Greenland and in the annual mean H+ concentration from Agassiz ice

Historical records of a) NO3- and b) SO42- concentrations from the Greenland icecap at Dye 3 c) A comparison of trends in the average SO42- and SO42- plus NO3- concentrations at Dye 3 in Greenland [..]
Historical records of a) NO3- and b) SO42- concentrations from the Greenland icecap at Dye 3 c) A comparison of trends in the average SO42- and SO42- plus NO3- concentrations at Dye 3 in Greenland and in the annual mean H+ concentration from Agassiz ice

Calculated concentrations of SO2 and SO42- compared with measurements at Station Nord in northeastern Greenland

Calculated concentrations of SO2 and SO42- compared with measurements at Station Nord in northeastern Greenland
Calculated concentrations of SO2 and SO42- compared with measurements at Station Nord in northeastern Greenland

The time series of light scattering (?sp) and optical depth (?) at 500 nm at Barrow, Alaska

The time series of light scattering (?sp) and optical depth (?) at 500 nm at Barrow, Alaska
The time series of light scattering (?sp) and optical depth (?) at 500 nm at Barrow, Alaska

Sum-PCB (ng/g ww) in Arctic animals as food items compared to no-effect-concentrations (NOAEC) and environmental quality guidelines for protecting fish-eating/aquatic wildlife (1 Baril et al 1990, 2 USEPA 1995,

Sum-PCB (ng/g ww) in Arctic animals as food items compared to no-effect-concentrations (NOAEC) and environmental quality guidelines for protecting fish-eating/aquatic wildlife (1 Baril et al 1990, 2 [..]
Sum-PCB (ng/g ww) in Arctic animals as food items compared to no-effect-concentrations (NOAEC) and environmental quality guidelines for protecting fish-eating/aquatic wildlife (1 Baril et al 1990, 2 USEPA 1995,



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