Improving the understanding between climate variability and observed extremes of global NO2 over the past 15 years
This work addresses the relationship between major dynamical forcings and variability in NO _2 column measurements. The dominating impact in Northern Southeast Asia is due to El Niño-Southern Oscillation (ENSO); in Indonesia, Northern Australia and South America is due to Indian Ocean Dipole (IOD);...
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ftdoajarticles:oai:doaj.org/article:7ac598ae78684c7cbe5bd78fd3eb4843 2023-09-05T13:17:16+02:00 Improving the understanding between climate variability and observed extremes of global NO2 over the past 15 years Weizhi Deng Jason Blake Cohen Shuo Wang Chuyong Lin 2021-01-01T00:00:00Z https://doi.org/10.1088/1748-9326/abd502 https://doaj.org/article/7ac598ae78684c7cbe5bd78fd3eb4843 EN eng IOP Publishing https://doi.org/10.1088/1748-9326/abd502 https://doaj.org/toc/1748-9326 doi:10.1088/1748-9326/abd502 1748-9326 https://doaj.org/article/7ac598ae78684c7cbe5bd78fd3eb4843 Environmental Research Letters, Vol 16, Iss 5, p 054020 (2021) ENSO (El Niño/La Niña) Indian Ocean dipole (IOD) North Atlantic oscillation (NAO) NO2 column measurements NO2 inter- and intra-annual variability Environmental technology. Sanitary engineering TD1-1066 Environmental sciences GE1-350 Science Q Physics QC1-999 article 2021 ftdoajarticles https://doi.org/10.1088/1748-9326/abd502 2023-08-13T00:37:20Z This work addresses the relationship between major dynamical forcings and variability in NO _2 column measurements. The dominating impact in Northern Southeast Asia is due to El Niño-Southern Oscillation (ENSO); in Indonesia, Northern Australia and South America is due to Indian Ocean Dipole (IOD); and in Southern China Land and Sea, Populated Northern China, Siberia, Northern and Arctic Eurasia, Central and Southern Africa, and Western US and Canada is due to North Atlantic Oscillation (NAO). That NO _2 pollution in Indonesia is modulated by IOD contradicts previous work claiming that the emissions in Indonesia are a function of El Niño impacting upon Aerosol Optical Depth and Fire Radiative Power. Simultaneous impacts of concurrent and lagged forcings are derived using multi-linear regression, demonstrating ENSO impacts future NO _2 variability, enhancing NO _2 emissions 7–88 weeks in the future, while IOD and NAO in some cases increase the emissions from or the duration of the future burning season as measured by NO _2 . This impact will also extend to co-emitted aerosols and heat, which may impact the climate. In all cases, lagged forcings exhibit more impact than concurrent forcings, hinting at non-linearity coupling with soil moisture, water table, and other dynamical effects. The regression model formed demonstrates that dynamical forcings are responsible for over 45% of the NO _2 emissions variability in most non-urban areas and over 30% in urban China and sub-arctic regions. These results demonstrate the significance of climate forcing on short-lived air pollutants. Article in Journal/Newspaper Arctic North Atlantic North Atlantic oscillation Siberia Directory of Open Access Journals: DOAJ Articles Arctic Canada Indian Environmental Research Letters 16 5 054020 |
institution |
Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
ENSO (El Niño/La Niña) Indian Ocean dipole (IOD) North Atlantic oscillation (NAO) NO2 column measurements NO2 inter- and intra-annual variability Environmental technology. Sanitary engineering TD1-1066 Environmental sciences GE1-350 Science Q Physics QC1-999 |
spellingShingle |
ENSO (El Niño/La Niña) Indian Ocean dipole (IOD) North Atlantic oscillation (NAO) NO2 column measurements NO2 inter- and intra-annual variability Environmental technology. Sanitary engineering TD1-1066 Environmental sciences GE1-350 Science Q Physics QC1-999 Weizhi Deng Jason Blake Cohen Shuo Wang Chuyong Lin Improving the understanding between climate variability and observed extremes of global NO2 over the past 15 years |
topic_facet |
ENSO (El Niño/La Niña) Indian Ocean dipole (IOD) North Atlantic oscillation (NAO) NO2 column measurements NO2 inter- and intra-annual variability Environmental technology. Sanitary engineering TD1-1066 Environmental sciences GE1-350 Science Q Physics QC1-999 |
description |
This work addresses the relationship between major dynamical forcings and variability in NO _2 column measurements. The dominating impact in Northern Southeast Asia is due to El Niño-Southern Oscillation (ENSO); in Indonesia, Northern Australia and South America is due to Indian Ocean Dipole (IOD); and in Southern China Land and Sea, Populated Northern China, Siberia, Northern and Arctic Eurasia, Central and Southern Africa, and Western US and Canada is due to North Atlantic Oscillation (NAO). That NO _2 pollution in Indonesia is modulated by IOD contradicts previous work claiming that the emissions in Indonesia are a function of El Niño impacting upon Aerosol Optical Depth and Fire Radiative Power. Simultaneous impacts of concurrent and lagged forcings are derived using multi-linear regression, demonstrating ENSO impacts future NO _2 variability, enhancing NO _2 emissions 7–88 weeks in the future, while IOD and NAO in some cases increase the emissions from or the duration of the future burning season as measured by NO _2 . This impact will also extend to co-emitted aerosols and heat, which may impact the climate. In all cases, lagged forcings exhibit more impact than concurrent forcings, hinting at non-linearity coupling with soil moisture, water table, and other dynamical effects. The regression model formed demonstrates that dynamical forcings are responsible for over 45% of the NO _2 emissions variability in most non-urban areas and over 30% in urban China and sub-arctic regions. These results demonstrate the significance of climate forcing on short-lived air pollutants. |
format |
Article in Journal/Newspaper |
author |
Weizhi Deng Jason Blake Cohen Shuo Wang Chuyong Lin |
author_facet |
Weizhi Deng Jason Blake Cohen Shuo Wang Chuyong Lin |
author_sort |
Weizhi Deng |
title |
Improving the understanding between climate variability and observed extremes of global NO2 over the past 15 years |
title_short |
Improving the understanding between climate variability and observed extremes of global NO2 over the past 15 years |
title_full |
Improving the understanding between climate variability and observed extremes of global NO2 over the past 15 years |
title_fullStr |
Improving the understanding between climate variability and observed extremes of global NO2 over the past 15 years |
title_full_unstemmed |
Improving the understanding between climate variability and observed extremes of global NO2 over the past 15 years |
title_sort |
improving the understanding between climate variability and observed extremes of global no2 over the past 15 years |
publisher |
IOP Publishing |
publishDate |
2021 |
url |
https://doi.org/10.1088/1748-9326/abd502 https://doaj.org/article/7ac598ae78684c7cbe5bd78fd3eb4843 |
geographic |
Arctic Canada Indian |
geographic_facet |
Arctic Canada Indian |
genre |
Arctic North Atlantic North Atlantic oscillation Siberia |
genre_facet |
Arctic North Atlantic North Atlantic oscillation Siberia |
op_source |
Environmental Research Letters, Vol 16, Iss 5, p 054020 (2021) |
op_relation |
https://doi.org/10.1088/1748-9326/abd502 https://doaj.org/toc/1748-9326 doi:10.1088/1748-9326/abd502 1748-9326 https://doaj.org/article/7ac598ae78684c7cbe5bd78fd3eb4843 |
op_doi |
https://doi.org/10.1088/1748-9326/abd502 |
container_title |
Environmental Research Letters |
container_volume |
16 |
container_issue |
5 |
container_start_page |
054020 |
_version_ |
1776198502585466880 |