If this year’s record-breaking trend continues, we’re on track for 2015–2019 to be the hottest 5 years on record.
seasonal variability
Posted inNews
Congo Rain Forest Endures a Longer Dry Season
The forest’s dry season has been starting earlier and ending later for decades, making parts of it vulnerable to incursions by drought-resistant ecosystems.
Posted inNews
Far-Flung Dust Storms Deliver Nutrient Boosts to North Pacific
Barren marine deserts bloom seasonally with iron infusions from Asian dust storms.
Posted inResearch Spotlights
The When and Where of Mesospheric Bores Revealed
In a new study, the enigmatic gravity waves were seen most frequently at equatorial latitudes and propagating from the winter to the summer hemisphere.
Posted inResearch Spotlights
A New Look at Winter Air Quality in the Northeastern U.S.
Past studies underestimated a major pollution source, particularly in rural areas.
Posted inNews
Tree Rings Record 19th-Century Anthropogenic Climate Change
Paleoclimate records, observational data, and climate modeling capture the influence of human activity on temperature seasonality.
Posted inNews
California Heat Waves Triggered by Pacific Thunderstorms
New link may offer 5-week lead time on predicting extreme heat in California’s fruit belt.
Posted inResearch Spotlights
Antarctica’s Seasonal Streams Contribute Iron to the Ross Sea
Analysis of nutrient concentrations in four streams that discharge to the Southern Ocean indicates they are important sources of iron and phosphorous for coastal phytoplankton communities.
Posted inResearch Spotlights
Using Multiple Models to Improve Seasonal Forecasting
The first study to examine the ability of a suite of general circulation models to predict sudden warmings in Earth’s stratosphere highlights the potential for improving Northern Hemisphere forecasts.
Posted inResearch Spotlights
How Yellowing Seas Will Affect Ocean Temperatures
Materials that trap solar heat at the sea surface could cause more extreme temperatures.