Yearlong study reveals seasonal changes in oxygen levels, nutrient availability, and plankton growth.
nutrients
Posted inScience Updates
The Importance of Atmospheric Nutrients in the Earth System
Aerosol Impacts on Global Biogeochemical Cycles; Leeds, United Kingdom, 8 July 2015
Posted inNews
Icebergs Fertilize Southern Ocean, Sequester Carbon
Huge, drifting ice rafts (the white spot on the satellite image below ) shed minerals as they melt, painting trails of nutrients, teeming phytoplankton, and chlorophyll across hundreds of kilometers of ocean.
Posted inNews
Cave-Dwelling "Slime Curtains" Cycle Nitrogen and Iron
In a cave accessible only by daredevil divers, extraordinary microbial colonies metabolize nitrogen and iron nutrients and possibly remove pollutants from water.
Posted inResearch Spotlights
Strong Storms Flush Out Particulate Nitrogen
Field observations show that with climate change, fiercer tropical storms may release more particulate nitrogen from temperate forests into aquatic ecosystems.
Posted inNews
Gulf of Mexico Dead Zone Largest Since 2002
Downpours in June drove nutrients into the Mississippi River that ultimately deprived a much larger portion of the Gulf of oxygen than had been expected.
Posted inResearch Spotlights
Amazon Rain Forest Nourished by African Dust
New satellite data highlight the important role African dust plays in maintaining the rain forest's long-term health.
Posted inNews
Connecticut-Sized Dead Zone Expected in Gulf of Mexico
An ensemble of four computer models evaluated river runoff, wind patterns, and other factors affecting the extent of oxygen-poor waters near the Mississippi River's mouth.
Posted inResearch Spotlights
Salish Sea a Key Source of Regional Marine Nutrients
A new examination of nitrogen in the coastal waters off the Pacific Northwest shows that the Salish Sea delivers a large fraction of nutrients to shelf waters.
Posted inResearch Spotlights
Microbial Activity in Dry Soils
Researchers investigate how microbes respire in dry conditions.