Measurement report: Ammonia in Paris derived from ground-based open-path and satellite observations
<p>Ammonia (NH<span class="inline-formula"><sub>3</sub></span>) is an important air pollutant which, as a precursor of fine particulate matter, raises public health concerns. This study analyzes 2.5 years of NH<span class="inline-formula"><s...
| Main Authors: | , , , , , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Copernicus Publications
2023-12-01
|
| Series: | Atmospheric Chemistry and Physics |
| Online Access: | https://acp.copernicus.org/articles/23/15253/2023/acp-23-15253-2023.pdf |
| _version_ | 1827584477890609152 |
|---|---|
| author | C. Viatte N. Guendouz C. Dufaux A. Hensen D. Swart M. Van Damme M. Van Damme L. Clarisse P. Coheur C. Clerbaux C. Clerbaux |
| author_facet | C. Viatte N. Guendouz C. Dufaux A. Hensen D. Swart M. Van Damme M. Van Damme L. Clarisse P. Coheur C. Clerbaux C. Clerbaux |
| author_sort | C. Viatte |
| collection | DOAJ |
| description | <p>Ammonia (NH<span class="inline-formula"><sub>3</sub></span>) is an important air pollutant which, as a precursor of fine particulate matter, raises public health concerns. This study analyzes 2.5 years of NH<span class="inline-formula"><sub>3</sub></span> observations derived from ground-based (miniDOAS; differential optical absorption spectroscopy) and satellite (IASI; Infrared Atmospheric Sounding Interferometer) remote sensing instruments to quantify, for the first time, temporal variabilities (from interannual to diurnal) in NH<span class="inline-formula"><sub>3</sub></span> concentrations in Paris.</p>
<p>The IASI and miniDOAS datasets are found to be in relatively good agreement (<span class="inline-formula"><i>R</i><i>></i>0.70</span>) when atmospheric NH<span class="inline-formula"><sub>3</sub></span> concentrations are high and driven by regional agricultural activities. Over the investigated period (January 2020–June 2022), NH<span class="inline-formula"><sub>3</sub></span> average concentrations in Paris measured by the miniDOAS and IASI are 2.23 <span class="inline-formula">µ</span>g m<span class="inline-formula"><sup>−3</sup></span> and <span class="inline-formula">7.10×10<sup>15</sup></span> molec. cm<span class="inline-formula"><sup>−2</sup></span>, respectively, which are lower than or equivalent to those documented in other urban areas. The seasonal and monthly variabilities in NH<span class="inline-formula"><sub>3</sub></span> concentrations in Paris are driven by sporadic agricultural emissions influenced by meteorological conditions, with NH<span class="inline-formula"><sub>3</sub></span> concentrations in spring up to 2 times higher than in other seasons.</p>
<p>The potential source contribution function (PSCF) reveals that the close (100–200 km) east and northeast regions of Paris constitute the most important potential emission source areas of NH<span class="inline-formula"><sub>3</sub></span> in the megacity.</p>
<p>Weekly cycles of NH<span class="inline-formula"><sub>3</sub></span> derived from satellite and ground-based observations show different ammonia sources in Paris. In spring, agriculture has a major influence on ammonia concentrations, and, in the other seasons, multi-platform observations suggest that ammonia is also controlled by traffic-related emissions.</p>
<p>In Paris, the diurnal cycle of NH<span class="inline-formula"><sub>3</sub></span> concentrations is very similar to the one of NO<span class="inline-formula"><sub>2</sub></span>, with morning enhancements coincident with intensified road traffic. NH<span class="inline-formula"><sub>3</sub></span> evening enhancements synchronous with rush hours are also monitored in winter and fall. NH<span class="inline-formula"><sub>3</sub></span> concentrations measured during the weekends are consistently lower than NH<span class="inline-formula"><sub>3</sub></span> concentrations measured during weekdays in summer and fall. This is further evidence of a significant traffic source of NH<span class="inline-formula"><sub>3</sub></span> in Paris.</p> |
| first_indexed | 2024-03-08T23:31:55Z |
| format | Article |
| id | doaj.art-948a4b8d80c74892b99b80d678a9a7b2 |
| institution | Directory Open Access Journal |
| issn | 1680-7316 1680-7324 |
| language | English |
| last_indexed | 2024-03-08T23:31:55Z |
| publishDate | 2023-12-01 |
| publisher | Copernicus Publications |
| record_format | Article |
| series | Atmospheric Chemistry and Physics |
| spelling | doaj.art-948a4b8d80c74892b99b80d678a9a7b22023-12-14T13:11:16ZengCopernicus PublicationsAtmospheric Chemistry and Physics1680-73161680-73242023-12-0123152531526710.5194/acp-23-15253-2023Measurement report: Ammonia in Paris derived from ground-based open-path and satellite observationsC. Viatte0N. Guendouz1C. Dufaux2A. Hensen3D. Swart4M. Van Damme5M. Van Damme6L. Clarisse7P. Coheur8C. Clerbaux9C. Clerbaux10LATMOS/IPSL, Sorbonne Université, UVSQ, CNRS, Paris, FranceLATMOS/IPSL, Sorbonne Université, UVSQ, CNRS, Paris, FranceLATMOS/IPSL, Sorbonne Université, UVSQ, CNRS, Paris, FranceNetherlands Organisation for Applied Scientific Research (TNO), P.O. Box 15, 1755 ZG, Petten, the NetherlandsNational Institute for Public Health and the Environment (RIVM), Bilthoven, the NetherlandsUniversité libre de Bruxelles (ULB), Spectroscopy, Quantum Chemistry and Atmospheric Remote Sensing (SQUARES), Brussels, BelgiumBIRA-IASB – Belgian Institute for Space Aeronomy, Brussels, BelgiumUniversité libre de Bruxelles (ULB), Spectroscopy, Quantum Chemistry and Atmospheric Remote Sensing (SQUARES), Brussels, BelgiumUniversité libre de Bruxelles (ULB), Spectroscopy, Quantum Chemistry and Atmospheric Remote Sensing (SQUARES), Brussels, BelgiumLATMOS/IPSL, Sorbonne Université, UVSQ, CNRS, Paris, FranceUniversité libre de Bruxelles (ULB), Spectroscopy, Quantum Chemistry and Atmospheric Remote Sensing (SQUARES), Brussels, Belgium<p>Ammonia (NH<span class="inline-formula"><sub>3</sub></span>) is an important air pollutant which, as a precursor of fine particulate matter, raises public health concerns. This study analyzes 2.5 years of NH<span class="inline-formula"><sub>3</sub></span> observations derived from ground-based (miniDOAS; differential optical absorption spectroscopy) and satellite (IASI; Infrared Atmospheric Sounding Interferometer) remote sensing instruments to quantify, for the first time, temporal variabilities (from interannual to diurnal) in NH<span class="inline-formula"><sub>3</sub></span> concentrations in Paris.</p> <p>The IASI and miniDOAS datasets are found to be in relatively good agreement (<span class="inline-formula"><i>R</i><i>></i>0.70</span>) when atmospheric NH<span class="inline-formula"><sub>3</sub></span> concentrations are high and driven by regional agricultural activities. Over the investigated period (January 2020–June 2022), NH<span class="inline-formula"><sub>3</sub></span> average concentrations in Paris measured by the miniDOAS and IASI are 2.23 <span class="inline-formula">µ</span>g m<span class="inline-formula"><sup>−3</sup></span> and <span class="inline-formula">7.10×10<sup>15</sup></span> molec. cm<span class="inline-formula"><sup>−2</sup></span>, respectively, which are lower than or equivalent to those documented in other urban areas. The seasonal and monthly variabilities in NH<span class="inline-formula"><sub>3</sub></span> concentrations in Paris are driven by sporadic agricultural emissions influenced by meteorological conditions, with NH<span class="inline-formula"><sub>3</sub></span> concentrations in spring up to 2 times higher than in other seasons.</p> <p>The potential source contribution function (PSCF) reveals that the close (100–200 km) east and northeast regions of Paris constitute the most important potential emission source areas of NH<span class="inline-formula"><sub>3</sub></span> in the megacity.</p> <p>Weekly cycles of NH<span class="inline-formula"><sub>3</sub></span> derived from satellite and ground-based observations show different ammonia sources in Paris. In spring, agriculture has a major influence on ammonia concentrations, and, in the other seasons, multi-platform observations suggest that ammonia is also controlled by traffic-related emissions.</p> <p>In Paris, the diurnal cycle of NH<span class="inline-formula"><sub>3</sub></span> concentrations is very similar to the one of NO<span class="inline-formula"><sub>2</sub></span>, with morning enhancements coincident with intensified road traffic. NH<span class="inline-formula"><sub>3</sub></span> evening enhancements synchronous with rush hours are also monitored in winter and fall. NH<span class="inline-formula"><sub>3</sub></span> concentrations measured during the weekends are consistently lower than NH<span class="inline-formula"><sub>3</sub></span> concentrations measured during weekdays in summer and fall. This is further evidence of a significant traffic source of NH<span class="inline-formula"><sub>3</sub></span> in Paris.</p>https://acp.copernicus.org/articles/23/15253/2023/acp-23-15253-2023.pdf |
| spellingShingle | C. Viatte N. Guendouz C. Dufaux A. Hensen D. Swart M. Van Damme M. Van Damme L. Clarisse P. Coheur C. Clerbaux C. Clerbaux Measurement report: Ammonia in Paris derived from ground-based open-path and satellite observations Atmospheric Chemistry and Physics |
| title | Measurement report: Ammonia in Paris derived from ground-based open-path and satellite observations |
| title_full | Measurement report: Ammonia in Paris derived from ground-based open-path and satellite observations |
| title_fullStr | Measurement report: Ammonia in Paris derived from ground-based open-path and satellite observations |
| title_full_unstemmed | Measurement report: Ammonia in Paris derived from ground-based open-path and satellite observations |
| title_short | Measurement report: Ammonia in Paris derived from ground-based open-path and satellite observations |
| title_sort | measurement report ammonia in paris derived from ground based open path and satellite observations |
| url | https://acp.copernicus.org/articles/23/15253/2023/acp-23-15253-2023.pdf |
| work_keys_str_mv | AT cviatte measurementreportammoniainparisderivedfromgroundbasedopenpathandsatelliteobservations AT nguendouz measurementreportammoniainparisderivedfromgroundbasedopenpathandsatelliteobservations AT cdufaux measurementreportammoniainparisderivedfromgroundbasedopenpathandsatelliteobservations AT ahensen measurementreportammoniainparisderivedfromgroundbasedopenpathandsatelliteobservations AT dswart measurementreportammoniainparisderivedfromgroundbasedopenpathandsatelliteobservations AT mvandamme measurementreportammoniainparisderivedfromgroundbasedopenpathandsatelliteobservations AT mvandamme measurementreportammoniainparisderivedfromgroundbasedopenpathandsatelliteobservations AT lclarisse measurementreportammoniainparisderivedfromgroundbasedopenpathandsatelliteobservations AT pcoheur measurementreportammoniainparisderivedfromgroundbasedopenpathandsatelliteobservations AT cclerbaux measurementreportammoniainparisderivedfromgroundbasedopenpathandsatelliteobservations AT cclerbaux measurementreportammoniainparisderivedfromgroundbasedopenpathandsatelliteobservations |