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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
earth and planetary sciences
The summertime Boreal forest field measurement intensive (HUMPPA-COPEC-2010): An overview of meteorological and chemical influences
Atmospheric Chemistry and Physics, Volume 11, No. 20, Year 2011
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Description
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 Relation) in Hyytiälä, Finland from 12 July-12 August 2010. The prevailing meteorological conditions during the campaign are examined and contrasted with those of the past six years. Back trajectory analyses show that meteorological conditions at the site in 2010 were characterized by a higher proportion of southerly flow than in the other years studied. As a result the summer of 2010 was anomalously warm and high in ozone making the campaign relevant for the analysis of possible future climates. A comprehensive land use analysis, provided on both 5 and 50 km scales, shows that the main vegetation types surrounding the site on both the regional and local scales are: coniferous forest (Scots pine and/or Norway spruce); mixed forest (Birch and conifers); and woodland scrub (e.g. Willows, Aspen); indicating that the campaign results can be taken as representative of the Boreal forest ecosystem. In addition to the influence of biogenic emissions, the measurement site was occasionally impacted by sources other than vegetation. Specific tracers have been used here to identify the time periods when such sources have impacted the site namely: biomass burning (acetonitrile and CO), urban anthropogenic pollution (pentane and SO2) and the nearby Korkeakoski sawmill (enantiomeric ratio of chiral monoterpenes). None of these sources dominated the study period, allowing the Boreal forest summertime emissions to be assessed and contrasted with various other source signatures. © 2011 Author(s).
Authors & Co-Authors
Williams, Jonathan D.
Unknown Affiliation
Crowley, John N.
Unknown Affiliation
Fischer, Horst
Unknown Affiliation
Harder, Hartwig D.
Unknown Affiliation
Martinéz, Monica
Unknown Affiliation
Petäj̈ä, Tuukka
Unknown Affiliation
Rinne, Janne
Unknown Affiliation
Bäck, Jaana
Unknown Affiliation
Boy, Michael
Unknown Affiliation
Dal Maso, Miikka
Unknown Affiliation
Hakala, Jani P.
Unknown Affiliation
Kajos, Maija K.
Unknown Affiliation
Keronen, Petri
Unknown Affiliation
Rantala, Pekka A.
Unknown Affiliation
Aalto, J.
Unknown Affiliation
Aaltonen, Hermanni
Unknown Affiliation
Paatero, Jussi
Unknown Affiliation
Vesala, Timo
Unknown Affiliation
Hakola, Hannele
Unknown Affiliation
Levula, J.
Unknown Affiliation
Pohja, Toivo
Unknown Affiliation
Herrmann, F.
Unknown Affiliation
Auld, J.
Unknown Affiliation
Mesarchaki, Evridiki
Unknown Affiliation
Song, W.
Unknown Affiliation
Yassaa, Noureddine
Unknown Affiliation
Nölscher, A. C.
Unknown Affiliation
Johnson, A. M.
Unknown Affiliation
Custer, T.
Unknown Affiliation
Sinha, V.
Unknown Affiliation
Thieser, J.
Unknown Affiliation
Pouvesle, N.
Unknown Affiliation
Taraborrelli, D.
Unknown Affiliation
Tang, M. J.
Unknown Affiliation
Bozem, Heiko
Unknown Affiliation
Hosaynali Beygi, Z.
Unknown Affiliation
Axinte, R.
Unknown Affiliation
Oswald, Robert E.
Unknown Affiliation
Novelli, A.
Unknown Affiliation
Kubistin, Dagmar
Unknown Affiliation
Hens, Korbinian
Unknown Affiliation
Javed, U.
Unknown Affiliation
Trawny, K.
Unknown Affiliation
Breitenberger, C.
Unknown Affiliation
Hidalgo, Pablo J.
Unknown Affiliation
Ebben, C. J.
Unknown Affiliation
Geiger, F. M.
Unknown Affiliation
Corrigan, A. L.
Unknown Affiliation
Russell, Lynn M.
Unknown Affiliation
Ouwersloot, H. G.
Unknown Affiliation
De Arellano, Jordi Vilà Guerau
Unknown Affiliation
Ganzeveld, Laurens N.
Unknown Affiliation
Vogel, A.
Unknown Affiliation
Beck, M.
Unknown Affiliation
Bayerle, A.
Unknown Affiliation
Kampf, Christopher J.
Unknown Affiliation
Bertelmann, M.
Unknown Affiliation
K̈llner, F.
Unknown Affiliation
Hoffmann, Thorsten
Unknown Affiliation
Valverde, J.
Unknown Affiliation
González, D.
Unknown Affiliation
Riekkola, Marja Liisa
Unknown Affiliation
Kulmala, Markku
Unknown Affiliation
Lelieveld, Jos
Unknown Affiliation
Statistics
Citations: 109
Authors: 64
Affiliations: 14
Identifiers
Doi:
10.5194/acp-11-10599-2011
ISSN:
16807316
e-ISSN:
16807324
Research Areas
Environmental