Salty snow throws off satellite-based estimates of Arctic sea ice thickness by up to 25%. A new method seeks to fix that.
Arctic
Posted inResearch Spotlights
Satellites Accurately Capture Ocean Salinity in the Arctic
On-the-ground measurements are notoriously difficult in the harsh environment of the Arctic, but satellites could help close the gap in measuring sea surface salinity.
Posted inNews
Map Provides High-Resolution Look at Nearly Entire Arctic Region
Researchers highlight the value of the time element incorporated into imagery and having a baseline for revisiting and comparing topography.
Posted inScience Updates
Airborne Platforms Help Answer Questions in Polar Geosciences
International Workshop on Airborne Geodesy and Geophysics with Focus on Polar Applications; Dresden, Germany, 19–21 April 2017
Posted inResearch Spotlights
Why Are Arctic Rivers Rising in Winter?
Increased glacial melt is boosting winter streamflows by filling aquifers, a new study on an Alaskan river suggests.
Posted inNews
Engineering New Foundations for a Thawing Arctic
Researchers experiment with new building supports to prepare the Arctic for rapid shifts in permafrost and ground stability.
Posted inResearch Spotlights
New Baseline for Understanding Arctic Oxygen and Nutrient Fluxes
Significant spatial and temporal patterns emerge from the first pan-Arctic comparison of oxygen demand in marine sediments.
Posted inResearch Spotlights
Tracking Nitrogen in Arctic Plants
Prevailing nutrient uptake models do not fit Arctic plants. Scientists test a new option that overcomes older models’ shortcomings.
Posted inNews
Concern About Climate Change Drives Arctic Council Meeting
Actions taken by ministers at the meeting included an agreement on international Arctic scientific cooperation and adoption of recommendations of a report on the region’s changing state.
Posted inResearch Spotlights
What’s the Average Methane Isotope Signature in Arctic Wetlands?
Aircraft measurements confirm that methane emissions from northern European wetlands exhibit a uniform regional carbon isotopic signature, despite considerable ground-level heterogeneity.