Zobrazeno 1 - 10 of 203 pro vyhledávání: '"Richard G Derwent"'
1
Akademický článek
Elucidating the Effects of COVID-19 Lockdowns in the UK on the O3-NOx-VOC Relationship
Autor: Rayne Holland, Katya Seifert, Eric Saboya, M. Anwar H. Khan, Richard G. Derwent, Dudley E. Shallcross
Publikováno v: Atmosphere, Vol 15, Iss 5, p 607 (2024)
The unprecedented reductions in anthropogenic emissions over the COVID-19 lockdowns were utilised to investigate the response of ozone (O3) concentrations to changes in its precursors across various UK sites. Ozone, volatile organic compounds (VOCs)
Externí odkaz: https://doaj.org/article/aca273be164348b19c672be0ad2416f6
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5
Elektronická kniha
Mechanisms of Atmospheric Oxidation of the Alkanes
Autor: Jack G Calvert, Richard G Derwent, John J Orlando, Geoffrey S Tyndall, Timothy J Wallington
An international team of eminent atmospheric scientists have prepared Mechanisms of Atmospheric Oxidation of the Alkanes as an authoritative source of information on the role of alkanes in the chemistry of the atmosphere. The book includes the proper
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6
COVID-19 lockdown emission reductions have the potential to explain over half of the coincident increase in global atmospheric methane
Autor: David S. Stevenson, Richard G. Derwent, Oliver Wild, William J. Collins
Publikováno v: Stevenson, D S, Derwent, R G, Wild, O & Collins, W J 2022, ' COVID-19 lockdown emission reductions have the potential to explain over half of the coincident increase in global atmospheric methane ', Atmospheric Chemistry and Physics, vol. 22, no. 21, pp. 14243-14252 . https://doi.org/10.5194/acp-22-14243-2022
Compared with 2019, measurements of the global growth rate of background (marine air) atmospheric methane rose by 5.3 ppb yr−1 in 2020, reaching 15.0 ppb yr−1. Global atmospheric chemistry models have previously shown that reductions in nitrogen
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3bdb9d6734a87613aa37ade702fd2813
https://doi.org/10.5194/acp-22-14243-2022
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7
Technical note: Northern midlatitude baseline ozone – long-term changes and the COVID-19 impact
Autor: David D. Parrish, Richard G. Derwent, Ian C. Faloona, Charles A. Mims
Publikováno v: Atmospheric Chemistry and Physics. 22:13423-13430
A nonlinear change in baseline ozone concentrations at northern midlatitudes has been quantified over preceding decades. During the past few years, several studies, using linear trend analyses, report relatively small trends over selected time period
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bd3a56bb7c99096a35480269da07ea89
https://doi.org/10.5194/acp-22-13423-2022
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8
Opinion: Establishing a Science-into-Policy Process for Tropospheric Ozone Assessment
Autor: Richard G. Derwent, David D. Parrish, Ian C. Faloona
Publikováno v: eISSN
Elevated tropospheric ozone concentrations driven by anthropogenic precursor emissions is an environmental issue scientifically similar to the depletion of the stratospheric ozone layer and global climate change; however, the tropospheric ozone issue
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8b4c087b67335be22e1dba29588684c7
https://doi.org/10.5194/egusphere-2023-426
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9
A conceptual model of northern midlatitude tropospheric ozone
Autor: Charles A. Mims, David D. Parrish, Richard G. Derwent, Mohammad Astaneh, Ian C. Faloona
Publikováno v: Environmental Science: Atmospheres. 2:1303-1313
The average (climatic) seasonal pattern of ozone in the northern mid-latitude troposphere is explained by a very simple model. Reference to such basic models is a valuable tool for the interpretation of complex simulations and measurements.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4739776450e0dc61924531014cfc22ba
https://doi.org/10.1039/d2ea00009a
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10
Akademický článek
Global Warming Potential (GWP) for Methane: Monte Carlo Analysis of the Uncertainties in Global Tropospheric Model Predictions
Autor: Richard G. Derwent
Publikováno v: Atmosphere, Vol 11, Iss 5, p 486 (2020)
Estimates of the global warming potential (GWP) of methane rely on the predictions from global chemistry-transport models. These models employ many uncertain input parameters representing the sources and sinks for methane and those for the tropospher
Externí odkaz: https://doaj.org/article/39f794b498a44bd2bb9a6e9f54442c7d
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