Journal
CHEMOSPHERE
Volume 59, Issue 11, Pages 1685-1696Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.chemosphere.2004.10.048
Keywords
monoterpene; biogenic VOC; emission rate; conifers; tree age; seasonal variation
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Seasonal variations of emission rates and compositions from coniferous species were measured under controlled conditions using a vegetation enclosure method. Total emission rates and compositions of monoterpene compounds from young and adult trees in different seasons were compared. It was found that the total emission rates and the components of monoterpene varied significantly with tree species, age, and season. Total emissions from C japonica and P. koraiensis were higher for older trees than for younger trees; however, significantly higher emissions were found from younger trees for C obtusa. Higher monoterpene emission rates from each plant were found in spring and summer compared with autumn and winter emissions. (c) 2004 Elsevier Ltd. All rights reserved.
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