Ozone soundings at Gardermoen, southern Norway, 27 January 1992 The green line denotes the partial pressure of ozone observed during the (type 1) anomaly, when low-ozone air passed over the area
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Ozone soundings at Sodankylä, Finland, 23 March 1995 The green line denotes the profile of partial pressure of ozone observed during the (type 2) anomaly The red line shows the monthly mean ozone [..]
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An example of a type 2 ozone anomaly, showing levels of ozone depletion relative to the long-term mean
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Development of a type 1 ozone anomaly The series of satellite images show total column ozone for a period of days spanning 6-26 January 1996
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Trends in (annual average) ozone mixing ratio over Canada from 1980 to 1993
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Average annual UV dose falling on vertical and horizontal surfaces as a function of latitude The solid lines represent the situation for the normal UV level with undisturbed ozone (prior to 1978)
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Mean January and July surface air temperatures (°C) in the Arctic
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Mean atmospheric sea-level pressure (mb) in the Arctic in January
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Locations of upper-air meteorological monitoring stations in the Arctic Meteorological station density for surface observations is greater for inland areas of the Arctic, while observations of any [..]
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Lower tropospheric temperatures since 1979, from satellite monitoring High variability is characteristic of the Arctic region due to its isolation from the moderating influences of warm, lower [..]
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Lower stratospheric (ca 120-40 hPa) Arctic temperature trends (°C per decade, January 1979 to February 1996), as monitored by MSUs on polar orbiting satellites
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Lower tropospheric Arctic temperature trends (°C per decade, January 1979 to February 1996), as monitored by MSUs on polar orbiting satellites
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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 [..]
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(a) Yearly average sulfur dioxide air concentration measurements in the Arctic, (b) Yearly average sulfate air concentration measurements in the Arctic
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Emission rates of sulfur dioxide from Nikel together with annual average SO2 air concentrations measured at two sites in Norway (1978-1992)
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