Permafrost underlies a quarter of the Northern Hemisphere. A comprehensive analysis shows that the area may have shifted from a sink to a source of greenhouse gases, bringing a longtime prediction to fruition.
Global Biogeochemical Cycles
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Africa’s Carbon Sink Capacity Is Shrinking
A new estimate of Africa’s greenhouse gas budget from 2010 to 2019 shows increasing emissions from cropland expansion, livestock, and fossil fuel use—meaning the continent may have transitioned from an overall carbon sink to a slight carbon source.
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La química del agua somera podría hacer a los arrecifes más resistente a la acidificación del océano
Estudios de los Cayos de Florida revelan variaciones geográficas y temporales en los efectos de la acidificación en corales.
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Researchers Compare Observations Versus Modeling of Coastal Carbon Cycle
While storing carbon dioxide, the coastal ocean also releases methane and nitrous oxide. New research shows that understanding the impact of coastal oceans on climate requires more research into these fluxes and how they counteract each other.
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Shallow Seawater Chemistry May Make Reefs More Resistant to Ocean Acidification
Research from the Florida Keys reveals geographic and seasonal variation in the effects of acidification on corals.
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Gently Down the Stream: Carbon’s Journey from Land to Sea and Beyond
Movement of carbon from land to ocean and atmosphere plays an important, but understudied, role in the global carbon cycle.
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The Greenhouse Gas Burden of Inland Waters
A global collaboration inventoried greenhouse gas emissions from rivers, lakes, and streams.
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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.
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U.S. Public Water Supply Is a Local Source of Phosphorus Pollution
Excess phosphorus may reach U.S. rivers, lakes, and groundwater through water main leaks and outdoor water use.
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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.