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...
P.: Atmospheric methane levels off: Temporary pause or a new steady-state?,Dlugokencky, E. J., S. Houweling, L. Bruhwiler, K. A. Masarie, P. M. 913 Lang, J. B. Miller, and P. P. Tans (2003), Atmospheric methane levels 914 off: Temporary pause or a new steady state?, ...
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 satellite observations of methane to show that...
The present invention relates to a method of producing methanol from a methane source by oxidizing methane under conditions sufficient to a mixture of methanol and formaldehyde while minimizing the formation of formic acid and carbon dio... GA Olah,G. K. Surya Prakash - EP 被引量: 170发表: ...
No Comments on Atmospheric Carbon Dioxide Reached the Highest Levels in 800,000 years To limit global warming to 1.5-2 °C by 2100 (relative to pre-industrial temperatures), we'd need an urgent and rapid reduction in global greenhouse gas emissions. Image: PX Here According...
Recovery from a large input of atmospheric CO2from burning fossil fuels will result in an effective lifetime of tens of thousands of years (Archer, 2005). Methane has anatmospheric lifetimeof 12 to 15 years. The methane is degraded to water and CO2by chemical reactions in the atmosphere.Nitr...
This strong association between soil moisture and XCH4 underscores the significant role of soil processes in regulating XCH4 levels throughout the year. Months characterized by higher soil moisture likely promote CH4 oxidation by methanotrophic bacteria in aerated soils (Liu et al., 2019; Davamani ...
This is reinforced by CO2 (ref. 10) and CH4 records until MIS 17. But the high CH4 levels during MIS 19 break down this general trend. Amongst the past nine interglacials, MIS 9 and 19 appear decoupled (with unusually high methane levels) from the overall good correla- tion (r2 5 ...
Reconstructing historical atmospheric oxygen (O2) levels at finer temporal resolution is a top priority for exploring the evolution of life on Earth. This goal, however, is challenged by gaps in traditionally employed sediment-hosted geochemical proxy da