As leaf out has been advancing 4–5 days per decade, scientists say the effect of vegetation on climate remains poorly understood.
seasonal variability
Posted inNews
Cleaner Air Takes Some of the Bite out of European Winters
Scientists find that reduced aerosol emissions correspond to fewer extremely cold days.
Posted inEditors' Highlights
Extreme Summer Heat over Europe Is Predictable Week-to-Week
Forecasts made one to a few weeks in advance, known as “subseasonal to seasonal” predictions, show more skill in predicting extreme summer heat waves over Europe than spells of normal or cold weather.
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New England Winters Are “Losing the Cold”
As extreme cold days wane, the northeastern United States has experienced an increase in mud days.
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Yet Again, Warmer Winter Looms for U.S.
NOAA’s winter forecasts are less confident than usual except in Alaska and Hawaii. Expect to see a lot of weather variability in the coming months.
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No One-Size-Fits-All Way to Combat Urban Heat Island Effect
Tropical and dry cities respond differently to heat mitigation strategies. This difference should be considered when trying to protect residents from increasingly dangerous summer temperatures.
Posted inEditors' Highlights
Hydrological Footprint of Atmospheric Rivers on Land
Atmospheric rivers that make landfall in the western United States have significant impacts on the surface water balance, sharpening the seasonality of water resources in coastal watersheds.
Posted inEditors' Vox
Antarctic Seasonal Sea Ice Melts Faster Than It Grows
Winds are thought to play a significant role in driving the asymmetric seasonal cycle of Antarctic sea ice growth and melt.
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Light Permeates Seasonally Through Arctic Sea Ice
The transmission of sunlight through Arctic sea ice depends on the presence of ice, snow, and melt ponds, data collected over 6 years reveal.
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Artificial Intelligence Can Spot Plankton from Space
Training an algorithm with satellite images of ocean color reveals the blooms and busts of phytoplankton communities.