Warming surface waters and increased stratification result in uneven loss of dissolved oxygen across the Pacific basin that shifts water mass age.
Oceans
Posted inResearch Spotlights
Making Sense of Shallow-Water Waves with Advanced Statistics
Low-frequency infragravity waves shape shorelines, but exactly how they contribute is mysterious. A technique from Bayesian probability theory might change that.
Posted inNews
Squid Were on the Move Before the Chicxulub Impact
The cephalopods had already significantly dispersed throughout the world’s oceans 67 million years ago, paving the way for their modern-day ubiquity.
Posted inResearch Spotlights
Briny “Death Pools” Hold Clues to Early Life
New evidence from the depths of the Red Sea supports the oxidation of manganese and iron as an engine for life in the earliest oceans.
Posted inFeatures
The Effects of Polar Night and Day on Arctic Air Masses
Cold air outbreaks and warm air intrusions link Arctic and midlatitude weather and climate. But a lack of data on these events, especially in winter, limits our understanding.
Posted inEditors' Highlights
Waves Play a Key Role for Lateral Stirring and Mixing of Ocean Tracers
Numerical models and theoretical considerations deliver new insights on how waves affect the movement of tracers in wave-rich environments.
Posted inResearch Spotlights
Tiny Cyanobacteria May Be the Secret Heroes of Ocean Carbon Sequestration
Even when larger phytoplankton produce more carbon, much of it is lost on the journey to the ocean floor.
Posted inAGU News
The Arctic Report Card Matters More Than Ever; AGU Joins Partners to Publish in 2026
The critical and highly anticipated yearly assessment will be carried forward through a partnership with CIRES/CU Boulder and the University of Alaska Fairbanks.
Posted inNews
Wastewater Can Take Harmful Algal Blooms from Bad to Worse
By modeling toxic diatoms and coastal processes, scientists have discovered the degree to which nutrients from Southern California’s densely populated coast affect these blooms.
Posted inResearch & Developments
Narwhals Dive Deep to Help Scientists Research the Warming Arctic
Scientists come in all shapes and sizes. Sometimes, that shape is a blubbery 1,000-kilogram whale with a 2-meter tusk.