Satellite infrared observations are used to reconstruct African precipitation records for the past 30 years in an attempt to infer rainfall variability.
Climate Change
Posted inResearch Spotlights
Polar Warming Makes the Jet Stream Stable, Not Wavy or Blocked
An idealized climate model suggests polar warming stabilizes the jet stream and reduces atmospheric blocking at midlatitudes.
Posted inNews
Obama Highlights Climate Change and Infrastructure Needs
“No challenge poses a greater threat to future generations than climate change,” the president said.
Posted inResearch Spotlights
Variability in Atlantic Circulation Partly Driven by Wind
Models and observations indicate that the Atlantic Meridional Overturning Circulation exhibits surprising short-term variability, driven largely by wind.
Posted inResearch Spotlights
Warming Hiatus Periods to Become Increasingly Unlikely
Anthropogenic climate change is reducing the likelihood of the Earth seeing another slowdown in the rate of surface warming.
Posted inScience Updates
Measurements, Modeling, and Scaling of Inland Water Gas Exchange
Advancing the Science of Gas Exchange Between Fresh Waters and the Atmosphere; Hyytiälä Forestry Field Station, Korkeakoski, Finland, 15–19 September 2014
Posted inResearch Spotlights
How the Solar Wind May Affect Weather and Climate
The Sun's influence on the Earth's climate is complicated, but researchers are slowly figuring out how the solar wind can indirectly affect clouds over the poles.
Posted inResearch Spotlights
Colorado Hydrocarbon Leakage Rates Much Higher Than Reported
Airborne measurements put methane emissions from Colorado's Denver-Julesburg Basin at 12 to 26 tons per hour.
Posted inResearch Spotlights
Satellite Imaging Improves Study of Sinking River Deltas
Researchers know that the Ganges-Brahmaputra river delta is sinking. Now they have an accurate reading on the rate of subsidence.
Posted inFeatures
Urbanization and Air Pollution: Then and Now
Analysis of decades of mitigation efforts in Los Angeles demonstrates that air quality in megacities can be greatly improved.