气候变化领域集成服务门户(CCPortal): A first assessment of the sources of isoprene and monoterpene emissions from a short-rotation coppice Eucalyptus gunnii bioenergy plantation in the United Kingdom

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DOI	10.1016/j.atmosenv.2021.118617
	A first assessment of the sources of isoprene and monoterpene emissions from a short-rotation coppice Eucalyptus gunnii bioenergy plantation in the United Kingdom
	Purser G.; Drewer J.; Morison J.I.L.; Heal M.R.
发表日期	2021
ISSN	1352-2310
卷号	262
英文摘要	Eucalyptus gunnii is a fast-growing, cold-tolerant tree species endemic to Tasmania that is suitable for growing as short-rotation coppice (SRC) plantations in the UK. Fast growing eucalypts such as E. gunnii could potentially deliver higher biomass yields with a superior calorific value for the domestic bioenergy market than other SRC plantation species such as willow or poplar. However, eucalypts are known emitters of biogenic volatile organic compounds (BVOC) like isoprene and monoterpenes. These compounds contribute to the formation of atmospheric pollutants such as ozone and secondary organic aerosols. An assessment of the sources of BVOCs during the lifecycle of a UK E. gunnii SRC plantation found the mean standardised emissions of isoprene and total monoterpenes from branches of juvenile foliage to be 7.50 μg C gdw−1 h−1 and 1.30 μg C gdw−1 h−1, respectively. The predominant monoterpene emitted was cis-β-ocimene. Isoprene emissions from the forest floor were extremely low but monoterpene emissions peaked at 50 μg C m−2 h−1. α-Pinene and d-limonene were the major components of the monoterpene emissions, with higher emissions correlated to the abundance of leaf litter. Both the magnitude and composition of monoterpene emissions from the forest floor varied during the SRC plantation life cycle, with the coppiced and regrowth stands of eucalyptus producing less emissions. The woodchip produced at harvesting emitted only trace levels of isoprene but substantial monoterpene emissions, up to 90 μg C m−2 h−1, predominately eucalyptol. Harvesting and resulting biomass chips may provide a short-lived concentrated source of BVOCs in winter at SRC plantations. Modelled annual emissions using MEGAN 2.1 (canopy emissions only) suggest that BVOC emissions from a UK E. gunnii SRC plantation are most abundant in summer, and that modelled annual isoprene and total monoterpenes emissions could be around 6.9 kg C ha−1 and 2.4 kg C ha−1 respectively, for a young plantation. Based on the very limited data, the per-hectare E. gunnii isoprene emissions are smaller than estimates for other SRC/SRF plantation species in the UK; the per-hectare monoterpene emissions are in the span of estimates for other plantation species. © 2021 The Author(s)
关键词	Atmospheric chemistry Bioenergy Biogenic VOCs (BVOC)cis-β-ocimene Eucalyptol Eucalyptus Plantation Short-rotation coppice α-Phellandrene
语种	英语
scopus关键词	Atmospheric chemistry; Biomass; Floors; Forestry; Isoprene; Life cycle; Monoterpenes; Bio-energy; Biogenic VOC; Cis-β-ocimene; Eucalypti; Eucalyptol; Isoprene emission; Monoterpene emissions; Plantation; Short rotation coppice; Α-phellandrene; Volatile organic compounds; beta phellandrene; cineole; isoprene; limonene; linalool; monoterpene; myrcene; ocimene; ozone; pinene; terpinene; volatile organic compound; bioenergy; biomass; coppice; foliage; forest floor; isoprene; monoterpene; ozone; plantation; regrowth; tree; ambient air; Article; bioenergy; biomass; controlled study; coppice; Eucalyptus; Eucalyptus gunnii; foliage; harvesting; leaf area; life cycle; mass fragmentography; nonhuman; plant growth; plant leaf; plantation; rotation; secondary organic aerosol; summer; twig; United Kingdom; United Kingdom; Eucalyptus; Eucalyptus gunnii; Populus; Tasmania
来源期刊	ATMOSPHERIC ENVIRONMENT
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/248285
作者单位	UK Centre for Ecology & Hydrology, Bush Estate, Penicuik, Midlothian EH26 0QB, United Kingdom; School of Chemistry, University of Edinburgh, Joseph Black Building, David Brewster Road, Edinburgh, EH9 3FJ, United Kingdom; Forest Research, Alice Holt Lodge, Farnham, Surrey GU10 4TT, United Kingdom
推荐引用方式 GB/T 7714	Purser G.,Drewer J.,Morison J.I.L.,et al. A first assessment of the sources of isoprene and monoterpene emissions from a short-rotation coppice Eucalyptus gunnii bioenergy plantation in the United Kingdom[J],2021,262.
APA	Purser G.,Drewer J.,Morison J.I.L.,&Heal M.R..(2021).A first assessment of the sources of isoprene and monoterpene emissions from a short-rotation coppice Eucalyptus gunnii bioenergy plantation in the United Kingdom.ATMOSPHERIC ENVIRONMENT,262.
MLA	Purser G.,et al."A first assessment of the sources of isoprene and monoterpene emissions from a short-rotation coppice Eucalyptus gunnii bioenergy plantation in the United Kingdom".ATMOSPHERIC ENVIRONMENT 262(2021).