Trends in summer and winter total sulfate concentrations in air within the Arctic

Trends in summer and winter total sulfate concentrations in air within the Arctic
Trends in summer and winter total sulfate concentrations in air within the Arctic

Acidity of snow cover across the Russian Arctic, 2001–2004

Acidity of snow cover across the Russian Arctic, 2001–2004
Acidity of snow cover across the Russian Arctic, 2001–2004

Mean exposure to sulfur dioxide at Oulanka and Zeppelin

Mean exposure to sulfur dioxide at Oulanka and Zeppelin in relation to the direction of air masses arriving at the stations in the 1990s
Mean exposure to sulfur dioxide at Oulanka and Zeppelin

Mean concentration and exposure to nitrogen compounds at Zeppelin

Mean concentration and exposure to nitrogen compounds at Zeppelin in relation to the direction of air masses arriving at the station in the 1990s
Mean concentration and exposure to nitrogen compounds at Zeppelin

Mean surface air concentrations of sulfur oxides

Mean surface air concentrations of sulfur oxides (i.e., sulfur dioxide plus sulfate) and nitrate in 2000
Mean surface air concentrations of sulfur oxides

Diversity indices (Shannon-Weaver means) for phytoplankton, zooplankton and zoobenthos in lakes and streams in the Murmansk region

Diversity indices (Shannon-Weaver means) for phytoplankton, zooplankton and zoobenthos in lakes and streams in the Murmansk region
Diversity indices (Shannon-Weaver means) for phytoplankton, zooplankton and zoobenthos in lakes and streams in the Murmansk region

Approximate forest damage zones in the vicinity of Monchegorsk and Nikel and the visible-damage and non-visible-damage zones on the Kola Peninsula and Finnish Lapland The inset shows coverage (%) of lichens (Hypogymnia physodes and Parmelia olivacea) on

Approximate forest damage zones in the vicinity of Monchegorsk and Nikel and the visible-damage and non-visible-damage zones on the Kola Peninsula and Finnish Lapland The inset shows coverage (%) of [..]
Approximate forest damage zones in the vicinity of Monchegorsk and Nikel and the visible-damage and non-visible-damage zones on the Kola Peninsula and Finnish Lapland The inset shows coverage (%) of lichens (Hypogymnia physodes and Parmelia olivacea) on

Vegetation damage zones around Norilsk

Vegetation damage zones around Norilsk
Vegetation damage zones around Norilsk

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

Median values for a selection of key chemical variables

Median values for a selection of key chemical variables including the calculated critical load of acidity CLAc and exceedance
Median values for a selection of key chemical variables

Trends in non-marine sulfate, non-marine base cations, alkalinity, acid neutralizing capacity, pH, and labile aluminum

Trends in non-marine sulfate, non-marine base cations, alkalinity, acid neutralizing capacity, pH, and labile aluminum for lakes in the three sub-regions
Trends in non-marine sulfate, non-marine base cations, alkalinity, acid neutralizing capacity, pH, and labile aluminum

Estimated exceedance of critical loads of acidity for surface waters in northern Europe for three scenarios

Estimated exceedance of critical loads of acidity for surface waters in northern Europe for three scenarios: 1990 emissions, Current Legislation for 2010 (CLE 2010), Maximum technically Feasible [..]
Estimated exceedance of critical loads of acidity for surface waters in northern Europe for three scenarios

Presence of the acidsensitive cladoceran Daphnia longiremis in Lake Dalvatn

Presence of the acidsensitive cladoceran Daphnia longiremis in Lake Dalvatn (Varanger Peninsula, Norway)
Presence of the acidsensitive cladoceran Daphnia longiremis in Lake Dalvatn

Trends in non-marine sulfate, non-marine base cations, alkalinity, acid neutralizing capacity, and pH

Trends in non-marine sulfate, non-marine base cations (Ca+Mg), alkalinity, acid neutralizing capacity, and pH across the Euro-Arctic Barents region for 1990 to 2004. Large circles denote the three [..]
Trends in non-marine sulfate, non-marine base cations, alkalinity, acid neutralizing capacity, and pH

Trends in non-marine sulfate, alkalinity, non-marine base cations, and pH

Trends in non-marine sulfate, alkalinity, non-marine base cations, and pH for lakes on the Kola Peninsula
Trends in non-marine sulfate, alkalinity, non-marine base cations, and pH



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