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 [..]
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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, [..]
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(a) Vertical distribution of SOx (SO2 + SO42-) concentrations averaged over the area north of 75°N, and (b) contributions from the different sources
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Summer and winter visibility observations (for relative humidities less than 80%) for the period 1951 to 1993 in North America
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The time series of light scattering (?sp) and optical depth (?) at 500 nm at Barrow, Alaska
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(a) The contribution from the different sources to the total deposition, averaged over the area north of 75°N from October 1990 to May 1994, (b) the calculated total monthly depositions of SOx [..]
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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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(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
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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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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
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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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Illustration of the role of UV radiation in the biogeochemical cycling of DOC
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