Improving the representation of surface emissivity in the Community Earth System Model reduces its Arctic winter cold bias from 7 to 1 Kelvin degree.
Arctic
Posted inResearch Spotlights
The Upside to a “Bad” Ozone Precursor
In Sweden’s wet heathland, scientists see how a sensitive ecosystem adapts to rising global temperatures.
Posted inResearch Spotlights
A Deeper Understanding of Carbon Decomposition in Arctic Soils
Physical parameters may help scientists extrapolate Arctic carbon soil losses from the local to the regional scale, according to the results of a yearlong incubation experiment.
Posted inResearch Spotlights
Carbon Release from Permafrost Erosion Along the Yukon Coast
New findings highlight the need to account for large amounts of ground ice contained in frozen soil when assessing Arctic carbon cycling.
Posted inScience Updates
Understanding High-Latitude Methane in a Warming Climate
Climate change could spur greenhouse gas release from the Arctic. A new project will synthesize existing data to improve uncertain predictions.
Posted inResearch Spotlights
Reducing Errors in Satellite-Derived Arctic Sea Ice Thicknesses
Salty snow throws off satellite-based estimates of Arctic sea ice thickness by up to 25%. A new method seeks to fix that.
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 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
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
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.