Atmospheric winter concentrations (median values) of metals measured in different years in the <25 µm aerosol fraction at Ny-Ålesund, Svalbard

Atmospheric winter concentrations (median values) of metals measured in different years in the <25 µm aerosol fraction at Ny-Ålesund, Svalbard
Atmospheric winter concentrations (median values) of metals measured in different years in the <25 µm aerosol fraction at Ny-Ålesund, Svalbard

Composition of particles measured at different altitudes during winter flights in the Norwegian Arctic

Composition of particles measured at different altitudes during winter flights in the Norwegian Arctic
Composition of particles measured at different altitudes during winter flights in the Norwegian Arctic

Concentrations of As and V in aerosols measured during concurrent measurement campaigns on Svalbard and two locations in Alaska during April 1986

Concentrations of As and V in aerosols measured during concurrent measurement campaigns on Svalbard and two locations in Alaska during April 1986
Concentrations of As and V in aerosols measured during concurrent measurement campaigns on Svalbard and two locations in Alaska during April 1986

Arctic sea-level atmospheric pressure (January)

Mean atmospheric sea-level pressure (mb) in the Arctic in January
Arctic sea-level atmospheric pressure (January)

Arctic sea-level atmospheric pressure (July)

Mean atmospheric sea-level pressure (mb) in the Arctic in July
Arctic sea-level atmospheric pressure (July)

Precipitation in the Arctic

Distribution of precipitation (mm/y) in the Arctic
Precipitation in the Arctic

Arctic atmospheric circulation

The mean circulation of the lower atmosphere during January and July as depicted by mean streamlines of the resultant winds
Arctic atmospheric circulation

Arctic air masses and atmospheric transport routes

The mean position of the Arctic air mass in winter (January) and summer (July), superimposed on the (summer value % (orange) - winter value % (blue)) frequency of major south-to-north transport routes [..]
Arctic air masses and atmospheric transport routes

Cloud cover and precipitation in the Canadian High Arctic

Seasonal variation in a) cloud cover and precipitation occurrence and b) precipitation amount in the Canadian High Arctic, 1951-1980 norms
Cloud cover and precipitation in the Canadian High Arctic

Atmosphere-surface exchange

Schematic diagram of processes of atmosphere-surface exchange
Atmosphere-surface exchange

Precipitation rate measurements from Alert from January through April 1992 showing periods of no snow, periods of no snow measured due to wind events, and the relatively large quantities of precipitation on days during

Precipitation rate measurements from Alert from January through April 1992 showing periods of no snow, periods of no snow measured due to wind events, and the relatively large quantities of [..]
Precipitation rate measurements from Alert from January through April 1992 showing periods of no snow, periods of no snow measured due to wind events, and the relatively large quantities of precipitation on days during

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 latitude, ocean currents

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 [..]
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 latitude, ocean currents

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 kind are sparse over the Arctic Ocean

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 [..]
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 kind are sparse over the Arctic Ocean

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

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
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

Trends in (annual average) ozone mixing ratio over Canada from 1980 to 1993

Trends in (annual average) ozone mixing ratio over Canada from 1980 to 1993
Trends in (annual average) ozone mixing ratio over Canada from 1980 to 1993



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