New insights from observations and theory suggest that the essential drivers of Earth’s summer monsoons are not as obvious as was previously thought.
seasonal variability
Posted inNews
Winter Drought Relief Unlikely in Western U.S.
This year is still on track to be one of the hottest years on record around the globe.
Posted inNews
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.
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
Observations Show Gravity Waves Above Antarctica Dance in Winter
Year-round observations show gravity waves above Antarctica exhibit seasonal patterns that peak in winter, which could help researchers trace the source of this mysterious phenomenon.
Posted inEditors' Vox
Observing Winter Mixing and Spring Bloom in the Mediterranean
A new special issue of JGR: Oceans and JGR: Atmospheres presents new insights into the dynamics of dense water formation in the western Mediterranean Sea and its biogeochemical consequences.
Posted inResearch Spotlights
Fossilized Caribbean Corals Reveal Ancient Summer Rains
Isotope records and climate modeling suggest that the rainy Intertropical Convergence Zone expanded northward into the southern Caribbean during a warm interglacial period about 125,000 years ago.
Posted inScience Updates
Winter Conditions Are Changing Rapidly in Alpine Lake Ecosystems
LimnoAlp Workshop; Lake Cadagno, Switzerland, 10–15 September 2017
Posted inResearch Spotlights
As Winters Get Warmer, Sugar Maples May Absorb Less Silicon
Rising temperatures that reduce snow cover leave soils vulnerable to frost, reducing silicon uptake by trees, with potential effects on downstream ecosystems.
Posted inResearch Spotlights
East of Japan, Upper Ocean Waves Follow a Seasonal Cycle
The seasonality of fine-scale, near-surface ocean dynamics raises important considerations for an upcoming satellite mission to measure global sea surface height.