Samples from two waterways in northern Siberia—the main stem of the Kolyma River and a headwater stream in the river’s watershed—indicate the differing sources and ages of carbon they contain.
Climate Change
Posted inNews
The Arctic Ocean May Not Be a Reliable Carbon Sink
The rapid changes happening in the Arctic Ocean, including increasing freshwater input, could dramatically affect its ability to store carbon.
Posted inAGU News
Calvin Receives 2019 Piers J. Sellers Global Environmental Change Mid-Career Award
Katherine Calvin received the Piers J. Sellers Global Environmental Change Mid-Career Award at AGU’s Fall Meeting 2019, held 9–13 December in San Francisco, Calif. The award recognizes a scientist or team of midcareer scientists “for outstanding contributions in research, educational, or societal impacts in the area of global environmental change, especially through interdisciplinary approaches.”
Posted inNews
New Classification System for Lakes Forecasts a Warming Trend
Researchers devised a system of nine thermal categories for lakes and estimate that 79% of northern frigid lakes could become warmer types.
Posted inResearch Spotlights
Reforestation as a Local Cooling Mechanism
Reforestation has been shown to cool surface temperatures, and a novel study suggests it may also reduce air temperature up to several stories above the ground.
Posted inResearch Spotlights
Floating Patches of Soil Nutrients in Soil Help Explain Arctic Thawing
Nutrient-rich diapirs have a complex relationship with soil microbes and play an important role in carbon and nitrogen nutrient cycling, making them crucial for understanding feedbacks in the Arctic.
Posted inNews
La Violencia Aumenta con el Cambio Climático
Las tensiones derivadas de los procesos ambientales están llevando a un aumento en la violencia de género en todo el mundo.
Posted inResearch Spotlights
Florida Coastlines Respond to Sea Level Rise
For more than a century, carbon burial rates have been increasing on some southern Florida coasts. Scientists now verify this trend and propose an explanation.
Posted inNews
How Climate Science Is Expanding the Scale of Ecological Research
Tools developed for climate science can help researchers forecast ecological dipoles: the contrasting effects of climate on populations separated by thousands of kilometers.
Posted inResearch Spotlights
New Models Give Global Picture of Mercury Content in Oceans
Concentrations of methylated mercury in high latitudes show the importance of sunlight and biological activity for cycling the metal.