Continental shelves and estuaries are natural sources of nitrous oxide, but current global estimates of these emissions carry a lot of uncertainty, a problem that calls for regional studies.
Oceans
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
Oceanic Changes Correlate with Methane Seepage
Changes in sea level and organic carbon burial may have affected seafloor methane seepage over the past 150 million years.
Posted inEditors' Highlights
Eruption and Emissions Take Credit for Ocean Carbon Sink Changes
A new model explains why the ocean’s capacity to take up carbon was reduced on a decadal scale, by accounting for reduced pCO2 emissions and ocean state changes due to the eruption of Mt. Pinatubo.
Posted inNews
How Machine Learning Redraws the Map of Ocean Ecosystems
Using an unsupervised learning algorithm, scientists can create new maps of ecosystem provinces in the ocean, opening the possibility of sharper data collection and monitoring.
Posted inEditors' Highlights
Volcano Monitoring Goes Offshore
Offshore observations by cabled ocean-bottom pressure recorders have revealed details of the 2015 eruption of Axial Seamount submarine volcano in the Pacific Ocean.
Posted inNews
Seismic Noise Reveals Landslides in the Gulf of Mexico
Scientists found dozens of submarine landslides in the Gulf of Mexico, possibly triggered by remote earthquakes.
Posted inScience Updates
Sensor Network Warns of Stealth Tsunamis
A next-generation network of seismic and wave sensors in the southwestern Pacific will warn coastal residents of an approaching tsunami before they see the wave.
Posted inScience Updates
Once Again into the Northwest Passage
After two unsuccessful tries, a hardy band of undergraduate students conducted a successful Arctic research and outreach expedition through the Northwest Passage.