Mechanisms and impacts of Earth system tip** elements

S Wang, A Foster, EA Lenz, JD Kessler… - Reviews of …, 2023‏ - Wiley Online Library
Tip** elements are components of the Earth system which may respond nonlinearly to
anthropogenic climate change by transitioning toward substantially different long‐term …

Metal–organic frameworks as catalysts and biocatalysts for methane oxidation: The current state of the art

LS Andrade, HHLB Lima, CTP Silva… - Coordination Chemistry …, 2023‏ - Elsevier
As the main component of natural and shale gas, seabed clathrates, and biogas, methane
(CH 4) is an abundant C1 resource for added-value chemicals. CH 4 is of critical importance …

Global carbon and other biogeochemical cycles and feedbacks

JG Canadell, PMS Monteiro, MH Costa… - IPCC AR6 WGI, final …, 2021‏ - hal.science
ES 6: 3-5 Replace “It is unequivocal that emissions of the well-mixed greenhouse gases
(GHG) carbon dioxide (CO2), methane (CH4) and nitrous oxide (N2 O) from human activities …

Coke-resistance over Rh–Ni bimetallic catalyst for low temperature dry reforming of methane

Y Mao, L Zhang, X Zheng, W Liu, Z Cao… - International Journal of …, 2023‏ - Elsevier
Methane and carbon dioxide can be converted into syngas using the prospective dry
reforming of methane technology. Carbon deposition is a major cause of catalyst …

Past permafrost dynamics can inform future permafrost carbon-climate feedbacks

MC Jones, G Grosse, C Treat, M Turetsky… - … Earth & Environment, 2023‏ - nature.com
Climate warming threatens to destabilize vast northern permafrost areas, potentially
releasing large quantities of organic carbon that could further disrupt the climate. Here we …

Radiocarbon: a key tracer for studying Earth's dynamo, climate system, carbon cycle, and Sun

TJ Heaton, E Bard, C Bronk Ramsey, M Butzin… - Science, 2021‏ - science.org
BACKGROUND Radiocarbon (14C) has long been recognized as providing an essential
dating method covering the past 55,000 years. However, the further role of 14C as a …

Impact of tides and sea-level on deep-sea Arctic methane emissions

N Sultan, A Plaza-Faverola… - Nature …, 2020‏ - nature.com
Sub-sea Arctic methane and gas hydrate reservoirs are expected to be severely impacted by
ocean temperature increase and sea-level rise. Our understanding of the gas emission …

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 …

Negligible atmospheric release of methane from decomposing hydrates in mid-latitude oceans

DJ Joung, C Ruppel, J Southon, TS Weber… - Nature …, 2022‏ - nature.com
Naturally occurring gas hydrates may contribute to a positive feedback for global warming
because they sequester large amounts of the potent greenhouse gas methane in ice-like …

[HTML][HTML] Subsea permafrost carbon stocks and climate change sensitivity estimated by expert assessment

SS Sayedi, BW Abbott, BF Thornton… - Environmental …, 2020‏ - iopscience.iop.org
The continental shelves of the Arctic Ocean and surrounding seas contain large stocks of
organic matter (OM) and methane (CH 4), representing a potential ecosystem feedback to …