""During the Quantifying the impact of BOReal forest fires on Tropospheric oxidants over the Atlantic using Aircraft and Satellites (BORTAS) campaign (eastern Canada, summer 2011), observations of total alkyl nitrates (∑ANs, ∑RONO2) on board the British FAAM BAe 146 research aircraft were carried out using a Thermal Dissociation Laser Induce Fluorescence (TD-LIF) system. ∑ANs are produced by a minor branch of the reactions (RO2+NO) that produces O3, therefore ∑ANs are a good proxy to identify the impact of forest fire emissions on the O3 production. Analysis of simultaneous observations of ∑ANs, CO, O3 and NO2 show flights where ∑AN formation suppresses peak ozone production at the rate of less than 10 Ox production for each ∑AN. Other flights, where CO and CH4 are the feedstock for Ox formation, more than 100 Ox per ∑AN produced are observed.""

Airborne observations of total alkyl nitrates during BORTAS campaign: analysis of the impact of forest fire emission on the Ox budget

ARUFFO, ELEONORA;DI CARLO, PIERO;
2013-01-01

Abstract

""During the Quantifying the impact of BOReal forest fires on Tropospheric oxidants over the Atlantic using Aircraft and Satellites (BORTAS) campaign (eastern Canada, summer 2011), observations of total alkyl nitrates (∑ANs, ∑RONO2) on board the British FAAM BAe 146 research aircraft were carried out using a Thermal Dissociation Laser Induce Fluorescence (TD-LIF) system. ∑ANs are produced by a minor branch of the reactions (RO2+NO) that produces O3, therefore ∑ANs are a good proxy to identify the impact of forest fire emissions on the O3 production. Analysis of simultaneous observations of ∑ANs, CO, O3 and NO2 show flights where ∑AN formation suppresses peak ozone production at the rate of less than 10 Ox production for each ∑AN. Other flights, where CO and CH4 are the feedstock for Ox formation, more than 100 Ox per ∑AN produced are observed.""
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11697/88660
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