Peroxyacetyl nitrate (PAN) and peroxyacetic acid (PAA) measurements by iodide chemical ionisation mass spectrometry: first analysis of results in the boreal forest and implications for the measurement of PAN fluxes

Autor: G. J. Phillips, N. Pouvesle, J. Thieser, G. Schuster, R. Axinte, H. Fischer, J. Williams, J. Lelieveld, J. N. Crowley

Publikováno v: Atmospheric Chemistry and Physics, Vol 13, Iss 3, Pp 1129-1139 (2013)

We describe measurements of peroxyacetyl nitrate (CH3C(O)O2NO2, PAN) and peroxyacetic acid (CH3C(O)OOH, PAA) in the Boreal forest using iodide chemical ionization mass spectrometry (ICIMS). The measurements were made during the Hyytiälä United Meas

Externí odkaz: https://doaj.org/article/78636a6bd40b41afa4071228dcccd56a

The summertime Boreal forest field measurement intensive (HUMPPA-COPEC-2010): an overview of meteorological and chemical influences

Autor: J. Williams, J. Crowley, H. Fischer, H. Harder, M. Martinez, T. Petäjä, J. Rinne, J. Bäck, M. Boy, M. Dal Maso, J. Hakala, M. Kajos, P. Keronen, P. Rantala, J. Aalto, H. Aaltonen, J. Paatero, T. Vesala, H. Hakola, J. Levula, T. Pohja, F. Herrmann, J. Auld, E. Mesarchaki, W. Song, N. Yassaa, A. Nölscher, A. M. Johnson, T. Custer, V. Sinha, J. Thieser, N. Pouvesle, D. Taraborrelli, M. J. Tang, H. Bozem, Z. Hosaynali-Beygi, R. Axinte, R. Oswald, A. Novelli, D. Kubistin, K. Hens, U. Javed, K. Trawny, C. Breitenberger, P. J. Hidalgo, C. J. Ebben, F. M. Geiger, A. L. Corrigan, L. M. Russell, H. G. Ouwersloot, J. Vilà-Guerau de Arellano, L. Ganzeveld, A. Vogel, M. Beck, A. Bayerle, C. J. Kampf, M. Bertelmann, F. Köllner, T. Hoffmann, J. Valverde, D. González, M.-L. Riekkola, M. Kulmala, J. Lelieveld

Publikováno v: Atmospheric Chemistry and Physics, Vol 11, Iss 20, Pp 10599-10618 (2011)

This paper describes the background, instrumentation, goals, and the regional influences on the HUMPPA-COPEC intensive field measurement campaign, conducted at the Boreal forest research station SMEAR II (Station for Measuring Ecosystem-Atmosphere Re

Externí odkaz: https://doaj.org/article/418afe1367bc44fdb0b0500fa94bb7be

Nocturnal nitrogen oxides at a rural mountain-site in south-western Germany

Autor: J. N. Crowley, G. Schuster, N. Pouvesle, U. Parchatka, H. Fischer, B. Bonn, H. Bingemer, J. Lelieveld

Publikováno v: Atmospheric Chemistry and Physics, Vol 10, Iss 6, Pp 2795-2812 (2010)

A new, two-channel instrument for simultaneous NO3 and N2O5 monitoring was used to make the first comprehensive set of nocturnal NOx measurements (NO, NO2, NO3 and N2O5) at the Taunus Observatory, a rural mountain site (Kleiner Feldberg) in South-wes

Externí odkaz: https://doaj.org/article/c9d088d9161049f28672e664ec0004ea

Insights into HOx and ROx chemistry in the boreal forest via measurement of peroxyacetic acid, peroxyacetic nitric anhydride (PAN) and hydrogen peroxide

Autor: J. N. Crowley, N. Pouvesle, G. J. Phillips, R. Axinte, H. Fischer, T. Petäjä, A. Nölscher, J. Williams, K. Hens, H. Harder, M. Martinez-Harder, A. Novelli, D. Kubistin, B. Bohn, J. Lelieveld

Publikováno v: Atmospheric chemistry and physics 18(18), 13457-13479 (2018). doi:10.5194/acp-18-13457-2018
Atmospheric Chemistry and Physics, Vol 18, Pp 13457-13479 (2018)

Unlike many oxidised atmospheric trace gases, which have numerous production pathways, peroxyacetic acid (PAA) and PAN are formed almost exclusively in gas-phase reactions involving the hydroperoxy radical (HO2), the acetyl peroxy radical (CH3C(O)O2)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::624d6636fbe5679e85ec7518963744ab
https://www.atmos-chem-phys.net/18/13457/2018/

Modelling the reversible uptake of chemical species in the gas phase by ice particles formed in a convective cloud

Autor: E. D. Rivière, V. Marécal, Michel Pirre, Saulo R. Freitas, Karla Longo, John Crowley, N. Pouvesle

Publikováno v: Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics, European Geosciences Union, 2010, 10 (10), pp.4977-5000. ⟨10.5194/acp-10-4977-2010⟩
Atmospheric Chemistry and Physics, Vol 10, Iss 10, Pp 4977-5000 (2010)
Atmospheric Chemistry and Physics, 2010, 10 (10), pp.4977-5000. ⟨10.5194/acp-10-4977-2010⟩

The present paper is a preliminary study preparing the introduction of reversible trace gas uptake by ice particles into a 3-D cloud resolving model. For this a 3-D simulation of a tropical deep convection cloud was run with the BRAMS cloud resolving

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d4cc659138626cfebdc93dab0004b8c8
https://hal-insu.archives-ouvertes.fr/insu-02878512/file/acp-10-4977-2010.pdf