Alaska Dispatch News4 天
Caribou herds in Arctic Alaska trend in opposite directions
The contrast between the declining Western Arctic herd and the thriving Porcupine herd is correlated to different levels of ...
Alaska Beacon6 天
Caribou herds in Arctic Alaska tundra areas are on opposite trends
The declining Western Arctic herd and the thriving Porcupine herd use habitat with differing levels of climate change-related ...
Thawing Permafrost Sparks Massive Carbon Release in the Arctic
Recent findings indicate that the Arctic's traditional role as a planetary cooling agent is faltering, with hotspots and ...
The Canadian Press on MSN5 天
Parts of Arctic tundra releasing more carbon than they absorb, study says
The study suggests one of the main drivers of the shift could be thawing permafrost, frozen ground that covers almost half of ...
来自MSN1 个月
Arctic tundra becoming a source of carbon dioxide emissions, NOAA warns
That has mainly been due to carbon uptake from plants, which regulate ... But warming air temperatures in the Arctic are breaking down permafrost across the tundra, in some cases, severely.
Why Arctic tundra is emitting more carbon than it absorbs, for first time in many millennia
In recent years, the Arctic tundra’s ability to emit less and absorb more carbon has taken a hit. A new analysis, which incorporated more data and better methods of examination, confirmed that the eco ...
AOL1 个月
The Arctic tundra is changing so fast that it is speeding up the climate crisis, top ...
The Arctic tundra now releases more carbon than it naturally ... than carbon dioxide — as bacteria in the soil digest thawing plant matter. Meanwhile, rising Arctic temperatures are driving ...