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Northern Hemisphere

Satellite image of Point Barrow, Alaska. A 40-year record of carbon dioxide concentrations in Alaska offers insight into how the carbon cycle responds to temperature.
Posted inResearch Spotlights

Autumn Warming No Longer Accelerating Carbon Loss in the North

by Terri Cook 21 September 201824 February 2023

An analysis of Point Barrow’s 40-year record points to the importance of calculating the carbon cycle’s response to temperature during the northern latitudes’ non-growing season.

Trees poke through snow at the edge of a boreal forest
Posted inNews

Eyes in the Sky Look Closer at Under-Surveyed Northern Forests

by N. Lanese 14 December 20176 March 2023

Spaceborne images give scientists a detailed picture of the boreal forests’ tree heights, which help scientists estimate their contribution to carbon budgets. 

Natural-color image of category 3 Hurricane Gonzalo on October 17, 2014.
Posted inResearch Spotlights

When Ocean and Atmosphere Couple, the Climate Wobbles

by E. Underwood 5 May 20176 March 2023

Every 25–30 years, the ocean and atmosphere conspire to produce an enhanced North Atlantic Oscillation

Estimated pattern of multidecadal internal variability in (top) Pacific and (bottom) Atlantic sea surface temperatures.
Posted inResearch Spotlights

Was the Recent Slowdown in Surface Warming Predictable?

by Terri Cook 11 May 20163 February 2023

The temporary deceleration in warming across the Northern Hemisphere earlier this century could not have been foreseen by statistical forecasting methods, a new study concludes.

Posted inResearch Spotlights

Modeling the Future of Dissolved Organic Carbon in Boreal Forests

Sarah Stanley, Science Writer by Sarah Stanley 9 February 201617 March 2023

Climate change and forest harvesting will increase the concentration and flow of dissolved organic carbon in boreal streams.

Posted inResearch Spotlights

Aerosol Cutbacks May Bring Tropical Rains Farther North

by L. Strelich 23 October 20153 February 2022

Lower anthropogenic aerosol emissions in the 21st century may lead to warming that drives the Intertropical Convergence Zone northward.

Posted inResearch Spotlights

Large Volcanic Eruptions Cause Drought in Eastern China

by C. Schultz 16 September 201418 November 2022

In a study with implications for geoengineering, large Northern Hemispheric volcanic eruptions are found to cause strong droughts in much of eastern China.

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The Uncertain Fate of the Beaufort Gyre

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Beyond Up and Down: How Arctic Ponds Stir Sideways

13 May 20257 May 2025
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Decoding Crop Evapotranspiration

6 May 20256 May 2025
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