On the origin of pronounced O sub(3) gradients in the thunderstorm outflow region during DC3
Unique in situ measurements of CO, O sub(3), SO sub(2), CH sub(4), NO, NO sub(x), NO sub(y), VOC, CN, and rBC were carried out with the German Deutsches Zentrum fuer Luft- und Raumfahrt (DLR)-Falcon aircraft in the central U.S. thunderstorms during the Deep Convective Clouds and Chemistry experiment...
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| Veröffentlicht in: | Journal of geophysical research. Atmospheres 2016-06, Vol.121 (11), p.6600-6637 |
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| creator | Huntrieser, H Lichtenstern, M Scheibe, M Aufmhoff, H Schlager, H Pucik, T Minikin, A Weinzierl, B Heimerl, K Fuetterer, D Rappenglueck, B Ackermann, L Pickering, KE Cummings, KA Biggerstaff, MI Betten, D P Honomichl, S Barth, M C |
| description | Unique in situ measurements of CO, O sub(3), SO sub(2), CH sub(4), NO, NO sub(x), NO sub(y), VOC, CN, and rBC were carried out with the German Deutsches Zentrum fuer Luft- und Raumfahrt (DLR)-Falcon aircraft in the central U.S. thunderstorms during the Deep Convective Clouds and Chemistry experiment in summer 2012. Fresh and aged anvil outflow (9-12km) from supercells, mesoscale convective systems, mesoscale convective complexes, and squall lines were probed over Oklahoma, Texas, Colorado, and Kansas. For three case studies (30 May and 8 and 12 June) a combination of trace species, radar, lightning, and satellite information, as well as model results, were used to analyze and design schematics of major trace gas transport pathways within and in the vicinity of the probed thunderstorms. The impact of thunderstorms on the O sub(3) composition in the upper troposphere/lower stratosphere (LS) region was analyzed. Overshooting cloud tops injected high amounts of biomass burning and lightning-produced NO sub(x) emissions into the LS, in addition to low O sub(3) mixing ratios from the lower troposphere. As a dynamical response, O sub(3)-rich air from the LS was transported downward into the anvil and also surrounded the outflow. The Delta O sub(3)/ Delta CO ratio was determined in the anvil outflow region. A pronounced in-mixing of O sub(3)-rich stratospheric air masses was observed in the outflow indicated by highly positive or even negative Delta O sub(3)/ Delta CO ratios (+1.4 down to -3.9). Photochemical O sub(3) production ( Delta O sub(3)/ Delta CO=+0.1) was found to be minor in the recently lofted pollution plumes. O sub(3) mixing ratios within the aged anvil outflow were mainly enhanced due to dynamical processes. Key Points * Overshooting of the central U.S. severe thunderstorms probed in situ by aircraft * Delta O sub(3)/ Delta CO ratios were determined for fresh and aged (~12-24h) anvil outflow * O sub(3) enhanced (~20-50nmolmol super(-1)) in the aged anvil outflow mainly due to dynamical processes |
| doi_str_mv | 10.1002/2015JD024279 |
| format | Article |
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Fresh and aged anvil outflow (9-12km) from supercells, mesoscale convective systems, mesoscale convective complexes, and squall lines were probed over Oklahoma, Texas, Colorado, and Kansas. For three case studies (30 May and 8 and 12 June) a combination of trace species, radar, lightning, and satellite information, as well as model results, were used to analyze and design schematics of major trace gas transport pathways within and in the vicinity of the probed thunderstorms. The impact of thunderstorms on the O sub(3) composition in the upper troposphere/lower stratosphere (LS) region was analyzed. Overshooting cloud tops injected high amounts of biomass burning and lightning-produced NO sub(x) emissions into the LS, in addition to low O sub(3) mixing ratios from the lower troposphere. As a dynamical response, O sub(3)-rich air from the LS was transported downward into the anvil and also surrounded the outflow. The Delta O sub(3)/ Delta CO ratio was determined in the anvil outflow region. A pronounced in-mixing of O sub(3)-rich stratospheric air masses was observed in the outflow indicated by highly positive or even negative Delta O sub(3)/ Delta CO ratios (+1.4 down to -3.9). Photochemical O sub(3) production ( Delta O sub(3)/ Delta CO=+0.1) was found to be minor in the recently lofted pollution plumes. O sub(3) mixing ratios within the aged anvil outflow were mainly enhanced due to dynamical processes. Key Points * Overshooting of the central U.S. severe thunderstorms probed in situ by aircraft * Delta O sub(3)/ Delta CO ratios were determined for fresh and aged (~12-24h) anvil outflow * O sub(3) enhanced (~20-50nmolmol super(-1)) in the aged anvil outflow mainly due to dynamical processes</description><identifier>ISSN: 2169-897X</identifier><identifier>EISSN: 2169-8996</identifier><identifier>DOI: 10.1002/2015JD024279</identifier><language>eng</language><subject>Aircraft ; Anvils ; Clouds ; Mesoscale phenomena ; Mixing ratios ; Outflow ; Thunderstorms ; Troposphere</subject><ispartof>Journal of geophysical research. 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Atmospheres</title><description>Unique in situ measurements of CO, O sub(3), SO sub(2), CH sub(4), NO, NO sub(x), NO sub(y), VOC, CN, and rBC were carried out with the German Deutsches Zentrum fuer Luft- und Raumfahrt (DLR)-Falcon aircraft in the central U.S. thunderstorms during the Deep Convective Clouds and Chemistry experiment in summer 2012. Fresh and aged anvil outflow (9-12km) from supercells, mesoscale convective systems, mesoscale convective complexes, and squall lines were probed over Oklahoma, Texas, Colorado, and Kansas. For three case studies (30 May and 8 and 12 June) a combination of trace species, radar, lightning, and satellite information, as well as model results, were used to analyze and design schematics of major trace gas transport pathways within and in the vicinity of the probed thunderstorms. The impact of thunderstorms on the O sub(3) composition in the upper troposphere/lower stratosphere (LS) region was analyzed. Overshooting cloud tops injected high amounts of biomass burning and lightning-produced NO sub(x) emissions into the LS, in addition to low O sub(3) mixing ratios from the lower troposphere. As a dynamical response, O sub(3)-rich air from the LS was transported downward into the anvil and also surrounded the outflow. The Delta O sub(3)/ Delta CO ratio was determined in the anvil outflow region. A pronounced in-mixing of O sub(3)-rich stratospheric air masses was observed in the outflow indicated by highly positive or even negative Delta O sub(3)/ Delta CO ratios (+1.4 down to -3.9). Photochemical O sub(3) production ( Delta O sub(3)/ Delta CO=+0.1) was found to be minor in the recently lofted pollution plumes. O sub(3) mixing ratios within the aged anvil outflow were mainly enhanced due to dynamical processes. Key Points * Overshooting of the central U.S. severe thunderstorms probed in situ by aircraft * Delta O sub(3)/ Delta CO ratios were determined for fresh and aged (~12-24h) anvil outflow * O sub(3) enhanced (~20-50nmolmol super(-1)) in the aged anvil outflow mainly due to dynamical processes</description><subject>Aircraft</subject><subject>Anvils</subject><subject>Clouds</subject><subject>Mesoscale phenomena</subject><subject>Mixing ratios</subject><subject>Outflow</subject><subject>Thunderstorms</subject><subject>Troposphere</subject><issn>2169-897X</issn><issn>2169-8996</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><recordid>eNqNj01LAzEYhIMoWGpv_oAc62H1zXdylFarUuilBw9Cye5mt5FtUpMN_n0LFc_OZebwMMwgdEvgngDQBwpEvC2BcqrMBZpQIk2ljZGXf1m9X6NZzp9wkgbGBZ-gj03A497hmHzvA44dPqYYYgmNa_EG51LP2R3uk229C2PG_oyP-xJal_IY0wHHMnZD_MbJ9T4G3JbkQ4-XC3aDrjo7ZDf79SnaPj9tFy_VerN6XTyuq6OUunKGKZBatrWqlWKSAKPSNQxYTTm3kvGGaOC8IwKgAWOtaq2rqehOPxpD2BTNz7Wn6V_F5XF38Llxw2CDiyXviKZCUClB_wMFLbXmRrAf5Odi9A</recordid><startdate>20160601</startdate><enddate>20160601</enddate><creator>Huntrieser, H</creator><creator>Lichtenstern, M</creator><creator>Scheibe, M</creator><creator>Aufmhoff, H</creator><creator>Schlager, H</creator><creator>Pucik, T</creator><creator>Minikin, A</creator><creator>Weinzierl, B</creator><creator>Heimerl, K</creator><creator>Fuetterer, D</creator><creator>Rappenglueck, B</creator><creator>Ackermann, L</creator><creator>Pickering, KE</creator><creator>Cummings, KA</creator><creator>Biggerstaff, MI</creator><creator>Betten, D P</creator><creator>Honomichl, S</creator><creator>Barth, M C</creator><scope>7TG</scope><scope>7UA</scope><scope>C1K</scope><scope>F1W</scope><scope>H96</scope><scope>KL.</scope><scope>L.G</scope><scope>8FD</scope><scope>FR3</scope><scope>H8D</scope><scope>KR7</scope><scope>L7M</scope></search><sort><creationdate>20160601</creationdate><title>On the origin of pronounced O sub(3) gradients in the thunderstorm outflow region during DC3</title><author>Huntrieser, H ; Lichtenstern, M ; Scheibe, M ; Aufmhoff, H ; Schlager, H ; Pucik, T ; Minikin, A ; Weinzierl, B ; Heimerl, K ; Fuetterer, D ; Rappenglueck, B ; Ackermann, L ; Pickering, KE ; Cummings, KA ; Biggerstaff, MI ; Betten, D P ; Honomichl, S ; Barth, M C</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p668-e9370686db7b773610326ec303b244a634c18044f1500c09aa7daeb25f000c913</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Aircraft</topic><topic>Anvils</topic><topic>Clouds</topic><topic>Mesoscale phenomena</topic><topic>Mixing ratios</topic><topic>Outflow</topic><topic>Thunderstorms</topic><topic>Troposphere</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Huntrieser, H</creatorcontrib><creatorcontrib>Lichtenstern, M</creatorcontrib><creatorcontrib>Scheibe, M</creatorcontrib><creatorcontrib>Aufmhoff, H</creatorcontrib><creatorcontrib>Schlager, H</creatorcontrib><creatorcontrib>Pucik, T</creatorcontrib><creatorcontrib>Minikin, A</creatorcontrib><creatorcontrib>Weinzierl, B</creatorcontrib><creatorcontrib>Heimerl, K</creatorcontrib><creatorcontrib>Fuetterer, D</creatorcontrib><creatorcontrib>Rappenglueck, B</creatorcontrib><creatorcontrib>Ackermann, L</creatorcontrib><creatorcontrib>Pickering, KE</creatorcontrib><creatorcontrib>Cummings, KA</creatorcontrib><creatorcontrib>Biggerstaff, MI</creatorcontrib><creatorcontrib>Betten, D P</creatorcontrib><creatorcontrib>Honomichl, S</creatorcontrib><creatorcontrib>Barth, M C</creatorcontrib><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Water Resources Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Aerospace Database</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of geophysical research. 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Atmospheres</jtitle><date>2016-06-01</date><risdate>2016</risdate><volume>121</volume><issue>11</issue><spage>6600</spage><epage>6637</epage><pages>6600-6637</pages><issn>2169-897X</issn><eissn>2169-8996</eissn><abstract>Unique in situ measurements of CO, O sub(3), SO sub(2), CH sub(4), NO, NO sub(x), NO sub(y), VOC, CN, and rBC were carried out with the German Deutsches Zentrum fuer Luft- und Raumfahrt (DLR)-Falcon aircraft in the central U.S. thunderstorms during the Deep Convective Clouds and Chemistry experiment in summer 2012. Fresh and aged anvil outflow (9-12km) from supercells, mesoscale convective systems, mesoscale convective complexes, and squall lines were probed over Oklahoma, Texas, Colorado, and Kansas. For three case studies (30 May and 8 and 12 June) a combination of trace species, radar, lightning, and satellite information, as well as model results, were used to analyze and design schematics of major trace gas transport pathways within and in the vicinity of the probed thunderstorms. The impact of thunderstorms on the O sub(3) composition in the upper troposphere/lower stratosphere (LS) region was analyzed. Overshooting cloud tops injected high amounts of biomass burning and lightning-produced NO sub(x) emissions into the LS, in addition to low O sub(3) mixing ratios from the lower troposphere. As a dynamical response, O sub(3)-rich air from the LS was transported downward into the anvil and also surrounded the outflow. The Delta O sub(3)/ Delta CO ratio was determined in the anvil outflow region. A pronounced in-mixing of O sub(3)-rich stratospheric air masses was observed in the outflow indicated by highly positive or even negative Delta O sub(3)/ Delta CO ratios (+1.4 down to -3.9). Photochemical O sub(3) production ( Delta O sub(3)/ Delta CO=+0.1) was found to be minor in the recently lofted pollution plumes. O sub(3) mixing ratios within the aged anvil outflow were mainly enhanced due to dynamical processes. Key Points * Overshooting of the central U.S. severe thunderstorms probed in situ by aircraft * Delta O sub(3)/ Delta CO ratios were determined for fresh and aged (~12-24h) anvil outflow * O sub(3) enhanced (~20-50nmolmol super(-1)) in the aged anvil outflow mainly due to dynamical processes</abstract><doi>10.1002/2015JD024279</doi><tpages>38</tpages></addata></record> |
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| source | Wiley Online Library All Journals; Wiley Online Library (Open Access Collection); Alma/SFX Local Collection |
| subjects | Aircraft Anvils Clouds Mesoscale phenomena Mixing ratios Outflow Thunderstorms Troposphere |
| title | On the origin of pronounced O sub(3) gradients in the thunderstorm outflow region during DC3 |
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