Statistical and numerical models show that denitrification efficiency is a key parameter controlling the production of N2O from rivers, providing a target for river restoration projects.
Greenhouse gases
Posted inEditors' Highlights
Phytoplankton as Emitters of Greenhouse Gases
Phytoplankton remove carbon dioxide from the atmosphere; a new study reveals that marine phytoplankton can also produce greenhouse gases when exposed to ultraviolet radiation.
Posted inResearch Spotlights
Mejorando el presupuesto mundial para el metanol atmosférico
Nuevos datos de exploración con aeronaves muestran que aunque la química atmosférica sobre regiones oceánicas remotas es una fuente considerable de producción de metanol, la emisión neta de metanol del océano es menor.
Posted inResearch Spotlights
Improving the Global Budget for Atmospheric Methanol
New aircraft survey data show that although atmospheric chemistry above remote ocean regions is a considerable source of methanol production, the ocean’s net methanol emission is minor.
Posted inNews
The Surprising Source of Greenhouse Gas Emissions
Changing the way emissions are tallied may help litigators focus on the worst climate offenders and shape mitigation.
Posted inResearch Spotlights
Marine Nitrous Oxide Emissions off Northwest Europe
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.
Posted inNews
2020 Hindsight: A Website for All Paleo-CO2 Data
A new website will soon compile and display all ancient atmospheric CO2 data.
Posted inResearch Spotlights
Atlantic Circulation Consistently Tied to Carbon Dioxide
Past ocean surface conditions suggest that over the past 800,000 years, atmospheric carbon dioxide levels typically rose on millennial timescales when Atlantic overturning was weaker and vice versa.
Posted inEditors' Highlights
What Lies and Waits Beneath Lake Ice?
Rarely made detailed measurements of carbon dioxide and methane under lake ice reveal a story more complex than simple models of gas buildup, with surprising findings for climate change impacts.
Posted inEditors' Vox
Methane, Climate Change, and Our Uncertain Future
Methane is generally considered secondary to carbon dioxide in its importance to climate change, but what role might methane play in the future if global temperatures continue to rise?