Arctic sea ice has been in steep decline over the past two decades. A study of tundra shrubs published today in the journal PNAS shows that as sea ice disappears, the Arctic is becoming both greener and browner.
Environment
Dec 15, 2020
1
190
Arctic tundra, a unique ecosystem characterized by permafrost, contributes to approximately 45% of all Arctic methane sources and therefore plays an important role in global carbon cycle. Arctic region is warming faster than ...
Environment
Nov 9, 2020
0
7
If you flew from the sea towards the land in the north slope of Alaska, you would cross from the water, over a narrow beach, and then to the tundra. From the air, that tundra would look like a landscape of room-sized polygonal ...
Earth Sciences
Oct 23, 2020
11
517
As Arctic summers warm, Earth's northern landscapes are changing. Using satellite images to track global tundra ecosystems over decades, a new study found the region has become greener, as warmer air and soil temperatures ...
Environment
Sep 22, 2020
5
640
Phenology represents the seasonal dynamics of vegetation, and is an important indicator of local and regional climate change. With stronger warming trends at higher latitudes, the seasonality of vulnerable Arctic tundra is ...
Earth Sciences
Aug 20, 2020
0
12
Climate change leads to longer growing seasons in the Arctic. A new study, which has just been published in Proceedings of the Royal Society B, show that predators like wolf spiders respond to the changing conditions and ...
Plants & Animals
Jun 25, 2020
0
104
Winter vehicle travel can cause long-lasting damage to the tundra, according to a new paper by University of Alaska Fairbanks researchers published in the journal Ecological Applications.
Environment
Jun 10, 2020
0
43
Wild, treeless landscapes are becoming more wooded as climate change leads to warming temperatures and wetter weather, research suggests.
Plants & Animals
Mar 10, 2020
0
6
The wide-scale introduction of large herbivores to the Arctic tundra to restore the "mammoth steppe" grassland ecosystem and mitigate global warming is economically viable, suggests a new paper from the University of Oxford.
Environment
Jan 27, 2020
2
870
Wildfires in the Arctic often burn far away from populated areas, but their impacts are felt around the globe. From field and laboratory work to airborne campaigns and satellites, NASA is studying why boreal forests and tundra ...
Environment
Aug 13, 2019
0
132
