River freeze-up in the Arctic

Mean dates of river freeze-up in the Arctic
River freeze-up in the Arctic

River break-up in the Arctic

Mean dates of river break-up in the Arctic; month number in Roman numerals
River break-up in the Arctic

Run-off of major rivers to the Arctic Ocean

Arctic Ocean watershed and catchment areas of some rivers and annual run-off (km3/y) of major rivers to the Arctic Ocean
Run-off of major rivers to the Arctic Ocean

Polygon development

Low-center and high-center polygon development
Polygon development

Groundwater in permafrost

Occurrence of groundwater in permafrost areas
Groundwater in permafrost

Arctic geology

Bedrock geology of the Arctic
Arctic geology

Arctic geologic and physiographic regions

Geologic and physiographic regions of the Arctic
Arctic geologic and physiographic regions

Arctic topography and bathymetry

Topography and bathymetry of the Arctic (based on the ETOPO5 data set)
Arctic topography and bathymetry

Precipitation in the Arctic

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

Arctic surface air temperature

Mean January and July surface air temperatures (°C) in the Arctic
Arctic surface air temperature

Arctic sea-level atmospheric pressure (July)

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

Arctic sea-level atmospheric pressure (January)

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

Arctic boundaries (floristic)

Arctic and subarctic floristic boundaries
Arctic boundaries (floristic)

Arctic boundaries (physical)

The Arctic as defined by temperature, and the Arctic marine boundary, also showing the boundary of the AMAP assessment area
Arctic boundaries (physical)

Winter concentrations of metals in air at remote locations in the Arctic at the beginning of the 1980s and 1990s, and European emissions of As, Pb and Zn during the same periods

Winter concentrations of metals in air at remote locations in the Arctic at the beginning of the 1980s and 1990s, and European emissions of As, Pb and Zn during the same periods
Winter concentrations of metals in air at remote locations in the Arctic at the beginning of the 1980s and 1990s, and European emissions of As, Pb and Zn during the same periods



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Number of graphics per country noted in paranthesis

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