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T1  - Annual cycle of volatile organic compound exchange between a boreal pine forest and the atmosphere 
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UR  - http://hdl.handle.net/10138/161789 
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A1  - Rantala, P.; Aalto, J.; Taipale, R.; Ruuskanen, T. M.; Rinne, J. 
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Y1  - 2015 
LA  - eng 
AB  - Long-term flux measurements of volatile organic compounds (VOC) over boreal forests are rare, although the forests are known to emit considerable amounts of VOCs into the atmosphere. Thus, we measured fluxes of several VOCs and oxygenated VOCs over a Scots-pine-dominated boreal forest semi-continuously between May 2010 and December 2013. The VOC profiles were obtained with a proton transfer reaction mass spectrometry, and the fluxes were calculated using vertical concentration profiles and the s... 
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KW  - PROTON-TRANSFER-REACTION; REACTION-MASS-SPECTROMETRY; SCALE MONOTERPENE EMISSIONS; LONG-TERM MEASUREMENTS; PTR-MS; SCOTS PINE; FLUX MEASUREMENTS; METHANOL EMISSION; VOC EMISSIONS; HYDROCARBON FLUXES; 114 Physical sciences; 1172 Environmental sciences 
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