Latest Permafrost Stories
The southern limit of permanently frozen ground, or permafrost, is now 130 kilometers further north than it was 50 years ago in the James Bay region.
The increase in temperature in the Arctic has already caused the sea-ice there to melt.
In a new study in the journal Ecological Monographs, ecologists estimate that Arctic lands and oceans are responsible for up to 25 percent of the global net sink of atmospheric carbon dioxide.
Researchers are warning of a slow seepage of methane gas from under the Arctic permafrost, which could be very dangerous to the Earthâ€™s future climate.
The terrain of the North Slope of Alaska is not steep, but Andrew Jacobson still has difficulty as he hikes along the spongy tundra, which is riddled with rocks and masks multitudes of mosquitoes.
By comparing clear mountain lakes with brown forest lakes the scientists have been able to show that what controls production in lakes is light.
An Australian-led team of scientists says it has determined the amount of frozen carbon in Earth's northern regions is more than double previous estimates. We now estimate the deposits contain over 1.5 trillion tons of frozen carbon, about twice as much carbon as contained in the atmosphere, said Charles Tarnocai of Agriculture and Agri-Food Canada, the study's lead author. Pep Canadell, executive director of Australia's Global Carbon Project and study co-author, said the existence of...
Scientists have determined that the oldest viable seeds in the world, dating from the Pleistocene era, are not as old as experts once believed.
The vast amount of carbon stored in the arctic and boreal regions of the world is more than double that previously estimated, according to a study published this week.
Two University of the Alaska Fairbanks researchers are among key contributors to a new national report that details visible effects of climate change in the United States and how today's choices stand to affect the future.
- Having no light.
- Of or relating to the region of a body of water that is not reached by sunlight and in which photosynthesis is unable to occur.