![]() Once downloaded, the atlases can be browsed with any web browser. ![]() Originally released on CD-ROM from 1997 to 2001, the atlases are now available via FTP download. The EWG Atlas of Arctic weather and climate incorporates US and Russian perspectives, as well as Inuit knowledge.īy providing snapshots of conditions recorded during the Cold War, the EWG Atlases document how conditions changed over the second half of the twentieth century, and provide comparison data for more recent observations. Russian and US observations from 1950 to 1994 were incorporated into this atlas. Release of the EWG Atlas on sea ice was compiled from, among other measurements, decades of sea ice observations from submarines, where knowledge of sea ice location and thickness would provide tactical advantages. The EWG Atlas on the Arctic Ocean (versions for both winter and summer) was compiled from over a million individual observations collected from Russian drifting stations, icebreakers, and airborne surveys. Observations of Arctic weather and climate including air temperature, precipitation, and snow cover.Observations of Arctic sea ice including extent, thickness, and age. ![]() Observations of the Arctic Ocean including circulation, pressure, temperature, and salinity.The atlases include Russian and Western perspectives on the Arctic climate system, including atmospheric, oceanographic, and cryospheric data, maps, histories, and facts about climate and weather. The collection is composed of observations of the Arctic from the 1950s through the mid-1990s. ![]() The Environmental Working Group (EWG) Atlases data collection comes from a cooperative effort between the United States and Russia in the 1990s.
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