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The current warming trends in the Arctic may shove the Arctic system into a seasonally ice-free state not seen for more than one million years. The melting is accelerating, and researchers were unable to identify natural processes that might slow the deicing of the Arctic. Such substantial additional melting of Arctic and Antarctic glaciers and ice sheets would raise the sea level worldwide, flooding the coastal areas where many of the world's population lives. Studies, led by scientists at the National Center for Atmospheric Research (NCAR) and the University of Arizona, show that greenhouse gas increases over the next century could warm the Arctic by 3-5°C in summertime. Thus, Arctic summers by 2100 may be as warm as they were nearly 130,000 years ago, when sea levels eventually rose up to 6 m higher than today.

General ecology and biosociology --- simulaties --- oceanografie --- vormgeving --- Artificial intelligence. Robotics. Simulation. Graphics --- klimaatveranderingen --- Meteorology. Climatology --- Hydrosphere --- ecosystemen --- economie --- Economics --- Earth Sciences. --- Oceanography. --- Ecosystems. --- Climate Change. --- Simulation and Modeling. --- Economics/Management Science, general. --- Geography. --- Computer simulation. --- Endangered ecosystems. --- Climatic changes. --- Economics. --- Géographie --- Océanographie --- Simulation par ordinateur --- Ecosystèmes menacés --- Climat --- Economie politique --- Changements --- Ecology --- Climatic changes --- Earth sciences. --- Climate change. --- Ecology. --- Climate Change/Climate Change Impacts. --- Balance of nature --- Biology --- Bionomics --- Ecological processes --- Ecological science --- Ecological sciences --- Environment --- Environmental biology --- Oecology --- Environmental sciences --- Population biology --- Changes, Climatic --- Climate change --- Climate changes --- Climate variations --- Climatic change --- Climatic fluctuations --- Climatic variations --- Global climate changes --- Global climatic changes --- Climatology --- Climate change mitigation --- Teleconnections (Climatology) --- Environmental aspects --- Changes in climate --- Climate change science --- Computer modeling --- Computer models --- Modeling, Computer --- Models, Computer --- Simulation, Computer --- Electromechanical analogies --- Mathematical models --- Simulation methods --- Model-integrated computing --- Threatened ecosystems --- Biotic communities --- Nature conservation --- Oceanography, Physical --- Oceanology --- Physical oceanography --- Thalassography --- Earth sciences --- Marine sciences --- Ocean --- Ecology . --- Biocenoses --- Biocoenoses --- Biogeoecology --- Biological communities --- Biomes --- Biotic community ecology --- Communities, Biotic --- Community ecology, Biotic --- Ecological communities --- Ecosystems --- Natural communities --- Global environmental change --- Ecology - Arctic regions - Congresses --- Climatic changes - Arctic regions - Congresses