Muestras de campo provenientes de Alaska muestran cómo la luz solar y el hierro convierten el carbono del permafrost en dióxido de carbono. Los modelos climáticos ignoran este proceso.
Arctic
Posted inNews
Dust from Receding Glaciers May Have Major Atmospheric Impacts
New research is helping scientists understand how Arctic dust created by receding glaciers affects local air quality and global climate.
Posted inNews
Beast of the Central Arctic
Feast your eyes on Beast, the first remotely operated vehicle to brave the Arctic for 1 year.
Posted inResearch Spotlights
¿Cómo Afecta el Reverdecimiento del Ártico al Agua Subterránea?
Nuevas investigaciones examinan cómo los cambios en la ecología de la superficie influyen en la hidrología subterránea en el Ártico.
Posted inNews
Polar Bears to Vanish from Most of the Arctic This Century
A “timelines of risk” model shows when and where population collapse begins as sea ice wanes in our warming future.
Posted inNews
Pollution over the Tibetan Plateau Linked to Sea Ice Loss in the Arctic
New research suggests an atmospheric connection between Arctic sea ice melt and anthropogenic aerosol pollution over the Tibetan Plateau.
Posted inOpinions
Implications of Sea Ice Management for Arctic Biogeochemistry
Geoengineering strategies to slow sea ice melting would affect not only Earth’s climate but also the biology and chemistry of the oceans, atmosphere, and ice.
Posted inNews
Drones Help Bridge the Gaps in Assessing Global Change
New instruments in the research tool kit bolster scientific understanding of the ecology of a greening Arctic.
Posted inEditors' Highlights
Characteristics of Polar Sea Ice in Latest Climate Models
Sea ice area in CMIP6 is similar to previous versions while its sensitivity to external forcing is subtly different and closer to observations, but still not in step with global surface temperature.
Posted inEditors' Highlights
Downhill from Here: Landscape Positions and Greenhouse Emissions
In comparing soils from two tundra wetland landscape positions, landscape position is found to matter, and toeslopes are associated with higher greenhouse gas production.