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Summertime OH reactivity from a receptor coastal site in the Mediterranean Basin
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| Zeitschriftentitel: | Atmospheric Chemistry and Physics |
|---|---|
| Personen und Körperschaften: | , , , , , , , , , |
| In: | Atmospheric Chemistry and Physics, 17, 2017, 20, S. 12645-12658 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
Copernicus GmbH
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| Schlagwörter: |
| author_facet |
Zannoni, Nora Gros, Valerie Sarda Esteve, Roland Kalogridis, Cerise Michoud, Vincent Dusanter, Sebastien Sauvage, Stephane Locoge, Nadine Colomb, Aurelie Bonsang, Bernard Zannoni, Nora Gros, Valerie Sarda Esteve, Roland Kalogridis, Cerise Michoud, Vincent Dusanter, Sebastien Sauvage, Stephane Locoge, Nadine Colomb, Aurelie Bonsang, Bernard |
|---|---|
| author |
Zannoni, Nora Gros, Valerie Sarda Esteve, Roland Kalogridis, Cerise Michoud, Vincent Dusanter, Sebastien Sauvage, Stephane Locoge, Nadine Colomb, Aurelie Bonsang, Bernard |
| spellingShingle |
Zannoni, Nora Gros, Valerie Sarda Esteve, Roland Kalogridis, Cerise Michoud, Vincent Dusanter, Sebastien Sauvage, Stephane Locoge, Nadine Colomb, Aurelie Bonsang, Bernard Atmospheric Chemistry and Physics Summertime OH reactivity from a receptor coastal site in the Mediterranean Basin Atmospheric Science |
| author_sort |
zannoni, nora |
| spelling |
Zannoni, Nora Gros, Valerie Sarda Esteve, Roland Kalogridis, Cerise Michoud, Vincent Dusanter, Sebastien Sauvage, Stephane Locoge, Nadine Colomb, Aurelie Bonsang, Bernard 1680-7324 Copernicus GmbH Atmospheric Science http://dx.doi.org/10.5194/acp-17-12645-2017 <jats:p>Abstract. Total hydroxyl radical (OH) reactivity, the total loss frequency of the hydroxyl radical in ambient air, provides the total loading of OH reactants in air. We measured the total OH reactivity for the first time during summertime at a coastal receptor site located in the western Mediterranean Basin. Measurements were performed at a temporary field site located in the northern cape of Corsica (France), during summer 2013 for the project CARBOSOR (CARBOn within continental pollution plumes: SOurces and Reactivity)–ChArMEx (Chemistry and Aerosols Mediterranean Experiment). Here, we compare the measured total OH reactivity with the OH reactivity calculated from the measured reactive gases. The difference between these two parameters is termed missing OH reactivity, i.e., the fraction of OH reactivity not explained by the measured compounds. The total OH reactivity at the site varied between the instrumental LoD (limit of detection = 3 s−1) to a maximum of 17 ± 6 s−1 (35 % uncertainty) and was 5 ± 4 s−1 (1σ SD – standard deviation) on average. It varied with air temperature exhibiting a diurnal profile comparable to the reactivity calculated from the concentration of the biogenic volatile organic compounds measured at the site. For part of the campaign, 56 % of OH reactivity was unexplained by the measured OH reactants (missing reactivity). We suggest that oxidation products of biogenic gas precursors were among the contributors to missing OH reactivity. </jats:p> Summertime OH reactivity from a receptor coastal site in the Mediterranean Basin Atmospheric Chemistry and Physics |
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| title |
Summertime OH reactivity from a receptor coastal site in the Mediterranean Basin |
| title_unstemmed |
Summertime OH reactivity from a receptor coastal site in the Mediterranean Basin |
| title_full |
Summertime OH reactivity from a receptor coastal site in the Mediterranean Basin |
| title_fullStr |
Summertime OH reactivity from a receptor coastal site in the Mediterranean Basin |
| title_full_unstemmed |
Summertime OH reactivity from a receptor coastal site in the Mediterranean Basin |
| title_short |
Summertime OH reactivity from a receptor coastal site in the Mediterranean Basin |
| title_sort |
summertime oh reactivity from a receptor coastal site in the mediterranean basin |
| topic |
Atmospheric Science |
| url |
http://dx.doi.org/10.5194/acp-17-12645-2017 |
| publishDate |
2017 |
| physical |
12645-12658 |
| description |
<jats:p>Abstract. Total hydroxyl radical (OH) reactivity, the total loss frequency of the hydroxyl radical in ambient air, provides the total loading of OH reactants in air. We measured the total OH reactivity for the first time during summertime at a coastal receptor site located in the western Mediterranean Basin. Measurements were performed at a temporary field site located in the northern cape of Corsica (France), during summer 2013 for the project CARBOSOR (CARBOn within continental pollution plumes: SOurces and Reactivity)–ChArMEx (Chemistry and Aerosols Mediterranean Experiment). Here, we compare the measured total OH reactivity with the OH reactivity calculated from the measured reactive gases. The difference between these two parameters is termed missing OH reactivity, i.e., the fraction of OH reactivity not explained by the measured compounds. The total OH reactivity at the site varied between the instrumental LoD (limit of detection = 3 s−1) to a maximum of 17 ± 6 s−1 (35 % uncertainty) and was 5 ± 4 s−1 (1σ SD – standard deviation) on average. It varied with air temperature exhibiting a diurnal profile comparable to the reactivity calculated from the concentration of the biogenic volatile organic compounds measured at the site. For part of the campaign, 56 % of OH reactivity was unexplained by the measured OH reactants (missing reactivity). We suggest that oxidation products of biogenic gas precursors were among the contributors to missing OH reactivity.
</jats:p> |
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| author | Zannoni, Nora, Gros, Valerie, Sarda Esteve, Roland, Kalogridis, Cerise, Michoud, Vincent, Dusanter, Sebastien, Sauvage, Stephane, Locoge, Nadine, Colomb, Aurelie, Bonsang, Bernard |
| author_facet | Zannoni, Nora, Gros, Valerie, Sarda Esteve, Roland, Kalogridis, Cerise, Michoud, Vincent, Dusanter, Sebastien, Sauvage, Stephane, Locoge, Nadine, Colomb, Aurelie, Bonsang, Bernard, Zannoni, Nora, Gros, Valerie, Sarda Esteve, Roland, Kalogridis, Cerise, Michoud, Vincent, Dusanter, Sebastien, Sauvage, Stephane, Locoge, Nadine, Colomb, Aurelie, Bonsang, Bernard |
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| description | <jats:p>Abstract. Total hydroxyl radical (OH) reactivity, the total loss frequency of the hydroxyl radical in ambient air, provides the total loading of OH reactants in air. We measured the total OH reactivity for the first time during summertime at a coastal receptor site located in the western Mediterranean Basin. Measurements were performed at a temporary field site located in the northern cape of Corsica (France), during summer 2013 for the project CARBOSOR (CARBOn within continental pollution plumes: SOurces and Reactivity)–ChArMEx (Chemistry and Aerosols Mediterranean Experiment). Here, we compare the measured total OH reactivity with the OH reactivity calculated from the measured reactive gases. The difference between these two parameters is termed missing OH reactivity, i.e., the fraction of OH reactivity not explained by the measured compounds. The total OH reactivity at the site varied between the instrumental LoD (limit of detection = 3 s−1) to a maximum of 17 ± 6 s−1 (35 % uncertainty) and was 5 ± 4 s−1 (1σ SD – standard deviation) on average. It varied with air temperature exhibiting a diurnal profile comparable to the reactivity calculated from the concentration of the biogenic volatile organic compounds measured at the site. For part of the campaign, 56 % of OH reactivity was unexplained by the measured OH reactants (missing reactivity). We suggest that oxidation products of biogenic gas precursors were among the contributors to missing OH reactivity. </jats:p> |
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| institution | DE-Ch1, DE-L229, DE-D275, DE-Bn3, DE-Brt1, DE-Zwi2, DE-D161, DE-Gla1, DE-Zi4, DE-15, DE-Pl11, DE-Rs1, DE-105, DE-14 |
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| physical | 12645-12658 |
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| spelling | Zannoni, Nora Gros, Valerie Sarda Esteve, Roland Kalogridis, Cerise Michoud, Vincent Dusanter, Sebastien Sauvage, Stephane Locoge, Nadine Colomb, Aurelie Bonsang, Bernard 1680-7324 Copernicus GmbH Atmospheric Science http://dx.doi.org/10.5194/acp-17-12645-2017 <jats:p>Abstract. Total hydroxyl radical (OH) reactivity, the total loss frequency of the hydroxyl radical in ambient air, provides the total loading of OH reactants in air. We measured the total OH reactivity for the first time during summertime at a coastal receptor site located in the western Mediterranean Basin. Measurements were performed at a temporary field site located in the northern cape of Corsica (France), during summer 2013 for the project CARBOSOR (CARBOn within continental pollution plumes: SOurces and Reactivity)–ChArMEx (Chemistry and Aerosols Mediterranean Experiment). Here, we compare the measured total OH reactivity with the OH reactivity calculated from the measured reactive gases. The difference between these two parameters is termed missing OH reactivity, i.e., the fraction of OH reactivity not explained by the measured compounds. The total OH reactivity at the site varied between the instrumental LoD (limit of detection = 3 s−1) to a maximum of 17 ± 6 s−1 (35 % uncertainty) and was 5 ± 4 s−1 (1σ SD – standard deviation) on average. It varied with air temperature exhibiting a diurnal profile comparable to the reactivity calculated from the concentration of the biogenic volatile organic compounds measured at the site. For part of the campaign, 56 % of OH reactivity was unexplained by the measured OH reactants (missing reactivity). We suggest that oxidation products of biogenic gas precursors were among the contributors to missing OH reactivity. </jats:p> Summertime OH reactivity from a receptor coastal site in the Mediterranean Basin Atmospheric Chemistry and Physics |
| spellingShingle | Zannoni, Nora, Gros, Valerie, Sarda Esteve, Roland, Kalogridis, Cerise, Michoud, Vincent, Dusanter, Sebastien, Sauvage, Stephane, Locoge, Nadine, Colomb, Aurelie, Bonsang, Bernard, Atmospheric Chemistry and Physics, Summertime OH reactivity from a receptor coastal site in the Mediterranean Basin, Atmospheric Science |
| title | Summertime OH reactivity from a receptor coastal site in the Mediterranean Basin |
| title_full | Summertime OH reactivity from a receptor coastal site in the Mediterranean Basin |
| title_fullStr | Summertime OH reactivity from a receptor coastal site in the Mediterranean Basin |
| title_full_unstemmed | Summertime OH reactivity from a receptor coastal site in the Mediterranean Basin |
| title_short | Summertime OH reactivity from a receptor coastal site in the Mediterranean Basin |
| title_sort | summertime oh reactivity from a receptor coastal site in the mediterranean basin |
| title_unstemmed | Summertime OH reactivity from a receptor coastal site in the Mediterranean Basin |
| topic | Atmospheric Science |
| url | http://dx.doi.org/10.5194/acp-17-12645-2017 |