Ocean alkalinity plays a major role in ocean’s carbon uptake, in buffering, and in calcium carbonate production and dissolution, and it impacts and is affected by various biogeochemical processes.
carbon cycle
Posted inResearch Spotlights
Sudden Oak Death Taking a Toll on U.S. West Coast
Researchers have been modeling effects of the plant pathogen Phytophthora ramorum on coastal forests in California and Oregon since it arrived on the West Coast 3 decades ago.
Posted inEditors' Highlights
Soil Carbon May Not Remain Bogged Down in a Warmer World
Carbon was lost from an experimentally warmed boreal peatland much faster than it took to accumulate. Elevated CO2 had little effect on stored carbon, requiring re-evaluation of model assumptions.
Posted inNews
Experiments Reveal How Permafrost Carbon Becomes Carbon Dioxide
Field samples from Alaska show how sunlight and iron convert permafrost carbon to carbon dioxide. Climate models ignore this process.
Posted inEditors' Highlights
Soil Remains Warmer and Drier After Long-term Warming Stops
Pausing a long-term soil warming experiment revealed that previously warmed plots remained both warmer and drier compared to plots which had not experienced previous soil warming.
Posted inScience Updates
Big Questions, Few Answers About What Happens Under Lake Ice
Scientists long eschewed studying lakes in winter, expecting that cold temperatures and ice cover limited activity below the surface. Recent findings to the contrary are changing limnologists’ views.
Posted inAGU News
A Dive into the Deep Earth
In July, Eos looks at the incredible capabilities scientists have developed to recreate the enormous pressures and temperatures that exist far below the planet’s surface.
Posted inResearch Spotlights
El Ciclo del Carbono en el Agujero Azul Más Profundo de la Tierra
Científicos encuentran nuevos extremos mientras investigan el ciclo del carbono en el agujero azul de Yongle.
Posted inResearch Spotlights
A First Look at Elusive Deep-Ocean Carbon Molecules
A new analytical technique enables direct analysis of dissolved organic carbon molecules that store carbon in the ocean for thousands of years.
Posted inNews
Visualizing the Deep Carbon Cycle
Geoscientists have created animations to help visualize different components of Earth’s carbon cycle.