We have constructed a record of atmospheric methane (CH 4) over the last 10,000 γ which shows that CH 4 has increased to more than double the natural levels of a century ago. This record is based on systematic global measurements taken since 1975, the occasional measurements taken by ...
Atmospheric methane growth reached an exceptionally high rate of 15.1 ± 0.4 parts per billion per year in 2020 despite a probable decrease in anthropogenic methane emissions during COVID-19 lockdowns1. Here we quantify changes in methane sources and in its atmospheric sink in 2020 compared...
Atmospheric methane oxidizing bacteria (atmMOB) constitute the sole biological sink for atmospheric methane. Still, the physiological basis allowing atmMOB to grow on air is not well understood. Here we assess the ability and strategies of seven methanot
Atmospheric gas refers to the gases present in the Earth's atmosphere, such as nitrogen, oxygen, carbon dioxide, methane, and ozone, which have the capacity to absorb heat and contribute to the greenhouse effect. AI generated definition based on:Climate Change and Soil Interactions,2020 ...
Atmospheric methane growth reached an exceptionally high rate of 15.1 ± 0.4 parts per billion per year in 2020 despite a probable decrease in anthropogenic methane emissions during COVID-19 lockdowns1. Here we quantify changes in methane sources and in its atmospheric sink in 2020 compared...
Large variations in the growth of atmospheric methane, a prominent greenhouse gas, are driven by a diverse range of anthropogenic and natural emissions and by loss from oxidation by the hydroxyl radical. We used a decade-long dataset (2010–2019) of sate
Impacts of high atmospheric greenhouse gas levels The rapidly rising concentrations of greenhouse gases (GHGs) are worrying news for the planet, as they contribute to the climate crisis. GHGs like CO₂, methane, and nitrous oxide trap heat radiating from the planet’s surface, preventing it fro...
(in yrs CE) to obtain the age of the air at each of our sample depths. We have assumed that Δage has remained constant throughout the record which is supported by the strong correlation between the Law Dome and WDC05A methane records. The estimated uncertainty of this timescale is ±10...
2StratosphereContains gases from troposphere but fewer than other gases present: nitrous oxide, methane, and chlorofluorocarbons that come from the troposphere very little water vapor volcanic eruptions on Earth inject sulfide compounds, halogen gases such as hydrogen chloride and fluoride, and particles ...
Agriculture (e.g., rice paddies) has been considered one of the main emission sources responsible for the sudden rise of atmospheric methane concentration (XCH4) since 2007, but remains debated. Here we use satellite-based rice paddy and XCH4 data to inv