La presión extrema que existe en el mar profundo reduce el apetito de los microorganismos por carbono orgánico. Este hallazgo podría tener implicaciones importantes en la geoingeniería y el balance de carbono global.
carbon cycle
Posted inEditors' Highlights
Clues from a Subglacial Lake for Holocene Grounding Line Change
Organic carbon sampled in the lake contained radiocarbon, indicating connection to the ocean in the mid-Holocene, when the grounding line was up to 260 kilometers inland of its current position.
Posted inScience Updates
Carbon In, Carbon Out: Balancing the Ocean’s Books
Scientists have developed a consensus guide of standard protocols for how best to measure oceanic primary productivity, a key component in Earth’s carbon cycle.
Posted inResearch Spotlights
Do Volcanoes Add More Carbon Than They Take Away?
Slow carbon seep long after eruptions have ceased could shape the carbon cycle on geological timescales.
Posted inResearch Spotlights
La estacionalidad del ciclo del carbono oceánico
Un grupo de científicos investigaron el impacto de los cambios estacionales en la cantidad y velocidad del carbono que viaja desde la superficie al océano profundo.
Posted inResearch Spotlights
El dióxido de carbono antropogénico es rastreado hacia el océano
Con ayuda de un modelo de circulación oceánica, un equipo de investigadores logró etiquetar y rastrear el carbono emitido antropogénicamente para determinar si su destino es la atmósfera o el océano.
Posted inResearch Spotlights
喷气推进的被囊动物在海洋碳循环中的作用
新研究表明，广泛分布的胶质浮游动物的大量繁殖，连同它们的粪便、每日的垂直迁移和它们的尸体一起，增加了海洋的碳输出。
Posted inEditors' Vox
Rare and Revealing: Radiocarbon in Service of Paleoceanography
While radiocarbon is best known as a dating tool, this rare isotope can also provide unique and wide-ranging insights into the cycling of carbon in the Earth system.
Posted inResearch Spotlights
Jet-Propelled Tunicates Pump Carbon Through the Oceans
New research reveals that blooms of the widespread gelatinous zooplankton—along with their feces, daily vertical migrations, and carcasses—increase marine carbon export.
Posted inENGAGE, News
Deep-Sea Pressure Crushes Carbon Cycling
The extreme pressure in the deep sea stifles microbes’ appetite for organic carbon. This finding could have important implications for carbon budgets and geoengineering.