Cloud-to-ground lightning is found to be the most important controller of wildfire occurrence in the Artic tundra of Alaska from 2001 to 2019.
Arctic
Posted inEditors' Highlights
It’s Cool to be Short When You’re in the Arctic Permafrost
Extensive ground temperature measurements complicate our understanding of how vegetation cover, snow duration, and microtopography influence the pace of permafrost thaw in a changing climate.
Posted inNews
Algal Mats May Be a Key to the Arctic Food Web
Melt ponds in sea ice have thriving algal communities with startlingly high levels of photosynthetic activity.
Posted inNews
Groundwater Flow May Contribute to Submarine Permafrost Thaw
New, detailed surveys from the Beaufort Sea reveal a seafloor depression the size of a city block associated with permafrost thaw and likely influenced by the movement of groundwater below.
Posted inEditors' Highlights
Arctic Sea Ice is Crucial for Forecasting Ural Blocking
By solving the nonlinear optimization problem, sea ice concentration in Greenland, Barents and Okhotsk Seas is found crucial for prediction of strong and long-lasting Ural blocking formation.
Posted inEditors' Highlights
Arctic Ozone Loss Brings Warming to the Near Surface
New research confirms that ozone loss over the Arctic can lead to widespread warming near the Artic surface during late winter and early spring.
Posted inNews
Los incendios forestales empeorarán, advierte informe de la ONU
Desde el ecuador hasta el Ártico, es probable que aumenten los incendios forestales y que el cambio climático los empeore, según un nuevo informe de las Naciones Unidas. La acción todavía es posible, dicen los autores.
Posted inScience Updates
Chronicling the Hottest, Coldest, Windiest, and Rainiest Weather
The World Meteorological Organization verifies and documents record-setting temperatures, winds, lightning, and more, offering snapshots of Earth’s extremes and hints about its changing climate.
Posted inNews
Wildfires Will Worsen, Warns U.N. Report
From the equator to the Arctic, wildfires are likely to increase, and climate change can make them worse, according to a new United Nations report. Action is still possible, say the authors.
Posted inNews
Lipids from Europa’s Ocean Could Be Detectable on the Surface
A super salty spring in the Canadian Arctic provides insights key to detecting life on a distant ocean world.