The time series of light scattering (?sp) and optical depth (?) at 500 nm at Barrow, Alaska
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Annual average of alkalinity and pH as measured in rivers in northern Fennoscandia and the Kola Peninsula
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Annual average of sulfate and base cation concentrations as measured in rivers in northern Fennoscandia and the Kola Peninsula Note: SO4 (non-seasalt) estimated for river Utsjoki from total sulfur
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Median concentrations of sulfate, base cations, and nitrate in lakes of northern Fennoscandia and the Kola Peninsula
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(a) Critical loads of acidity expressed as sulfur (5th percentile presented for each grid) for lakes in northern Fennoscandia and surface waters on Svalbard, and (b) their exceedance (95th percentile)
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Diversity indices (Shannon-Weaver means) for phytoplankton, zooplankton and zoobenthos in lakes and streams in the Murmansk region
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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 [..]
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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
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Monthly snow cover anomalies over northern hemispheric lands (including Greenland) between January 1972 and August 1995 Also shown are the 12-month running anomalies of hemispheric snow extent, [..]
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Snow cover over northern hemisphere lands between 1972 and 1996 for different seasons Values are determined from analyses of NOAA snow charts created using visible satellite imagery
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History of temperature changes in central Greenland over the last 40 000 years, from the GISP2 core, showing very large and probably abrupt changes
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History of snow accumulation in central Greenland during the most recent glaciation, as measured in the GISP2 core The 25-year running mean, represented in all panels, shows very large and rapid [..]
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Trends in (annual average) ozone mixing ratio over Canada from 1980 to 1993
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Relative tissue concentrations of organochlorine compounds detected in lichen, and in adipose tissue of caribou and wolf at three locations in the Northwest Territories, Canada
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Observed and predicted organochlorine concentrations (ng/g ww) in caribou and reindeer (Rangifer tarandus) liver All data are presented in, or were derived from data in Annex Table 6A4
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