Advancing scientific understanding of the global methane budget in support of the Paris Agreement

AL Ganesan, S Schwietzke, B Poulter… - Global …, 2019‏ - Wiley Online Library
Abstract The 2015 Paris Agreement of the United Nations Framework Convention on
Climate Change aims to keep global average temperature increases well below 2° C of …

What do we know about the global methane budget? Results from four decades of atmospheric CH4 observations and the way forward

X Lan, EG Nisbet… - … Transactions of the …, 2021‏ - royalsocietypublishing.org
Atmospheric CH4 is arguably the most interesting of the anthropogenically influenced, long-
lived greenhouse gases. It has a diverse suite of sources, each presenting its own …

Very strong atmospheric methane growth in the 4 years 2014–2017: Implications for the Paris Agreement

EG Nisbet, MR Manning… - Global …, 2019‏ - Wiley Online Library
Atmospheric methane grew very rapidly in 2014 (12.7±0.5 ppb/year), 2015 (10.1±0.7
ppb/year), 2016 (7.0±0.7 ppb/year), and 2017 (7.7±0.7 ppb/year), at rates not observed …

Atmospheric methane: Comparison between methane's record in 2006–2022 and during glacial terminations

EG Nisbet, MR Manning… - Global …, 2023‏ - Wiley Online Library
Atmospheric methane's rapid growth from late 2006 is unprecedented in the observational
record. Assessment of atmospheric methane data attributes a large fraction of this …

[HTML][HTML] Estimating emissions of methane consistent with atmospheric measurements of methane and δ13C of methane

S Basu, X Lan, E Dlugokencky, S Michel… - Atmospheric …, 2022‏ - acp.copernicus.org
We have constructed an atmospheric inversion framework based on TM5-4DVAR to jointly
assimilate measurements of methane and δ 13 C of methane in order to estimate source …

Investigation of the renewed methane growth post-2007 with high-resolution 3-D variational inverse modeling and isotopic constraints

J Thanwerdas, M Saunois, A Berchet… - Atmospheric …, 2024‏ - acp.copernicus.org
We investigate the causes of the renewed growth of atmospheric methane (CH 4) amount
fractions after 2007 by using variational inverse modeling with a three-dimensional …

Emissions from the oil and gas sectors, coal mining and ruminant farming drive methane growth over the past three decades

N Chandra, PK Patra, JSH Bisht, A Ito… - Journal of the …, 2021‏ - jstage.jst.go.jp
Methane (CH 4) is an important greenhouse gas and plays a significant role in tropospheric
and stratospheric chemistry. Despite the relevance of methane (CH 4) in human-induced …

Rapid shift in methane carbon isotopes suggests microbial emissions drove record high atmospheric methane growth in 2020–2022

SE Michel, X Lan, J Miller, P Tans, JR Clark… - Proceedings of the …, 2024‏ - pnas.org
The growth rate of the atmospheric abundance of methane (CH4) reached a record high of
15.4 ppb yr− 1 between 2020 and 2022, but the mechanisms driving the accelerated CH4 …

[HTML][HTML] Methane map**, emission quantification, and attribution in two European cities: Utrecht (NL) and Hamburg (DE)

H Maazallahi, JM Fernandez, M Menoud… - Atmospheric …, 2020‏ - acp.copernicus.org
Characterizing and attributing methane (CH 4) emissions across varying scales are
important from environmental, safety, and economic perspectives and are essential for …

Atmospheric methane and nitrous oxide: challenges alongthe path to Net Zero

EG Nisbet, EJ Dlugokencky… - … of the Royal …, 2021‏ - royalsocietypublishing.org
The causes of methane's renewed rise since 2007, accelerated growth from 2014 and
record rise in 2020, concurrent with an isotopic shift to values more depleted in 13C, remain …