U.S. initiatives aim to protect the marine environment and address climate change in the Arctic, U.S. ambassador says.
Arctic
Posted inScience Updates
Unmanned Platforms Monitor the Arctic Atmosphere
In the Arctic, drones and tethered balloons can make crucial atmospheric measurements to provide a unique perspective on an environment particularly vulnerable to climate change.
Posted inResearch Spotlights
Detecting Black Carbon in the Arctic Atmosphere
Measurements of light-absorbing carbon particles made during an Arctic research expedition could improve understanding of their effects on the Arctic climate.
Posted inResearch Spotlights
Building New Ways to Think About Arctic Freshwater
A new literature review summarizes the complex role of freshwater in the Arctic and its impact on climate and biogeochemical systems as a whole.
Posted inResearch Spotlights
Climate Models Predict Diverse Arctic Ocean Shipping Routes
As ice melts, multiple models yield more detailed route predictions than any single model alone.
Posted inNews
Arctic States Nearing Science Cooperation Pact
Negotiations are focusing on removing obstacles to conducting research rather than on setting international scientific priorities. Research priorities among Arctic nations already overlap considerably, according to a U.S. negotiator.
Posted inResearch Spotlights
Arctic Tides Drive Water Mixing and Sea Ice Loss
Researchers model ice-ocean interaction to study how tides can influence Arctic Ocean circulation and sea ice volume.
Posted inNews
Vanishing Sea Ice Could Trigger More Arctic Precipitation
A promising method for evaluating Arctic precipitation predicts retreating sea ice will increase snow and rainfall in the Arctic and counteract some of global climate change's effects regionally.
Posted inScience Updates
Sounding the Northern Seas
A new compilation of underwater terrain provides the most up-to-date mapping of portions of the western Arctic and North Pacific.
Posted inNews
Giant Balls of Bacteria Pile Up on Arctic Lake Beds, Ooze Toxin
Researchers have found cyanobacteria colonies as big as softballs thriving unexpectedly on shallow Greenland lake bottoms, exuding liver-damaging microcystin. Locals dubbed them "sea tomatoes."