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Investigation of natural VOC emitted from tropical vegetations in China

Keywords: VOC,isoprene,monoterpenes,emission factor,Xishuangbanna
VOC
,热带植物,挥发性有机污染物,发散特征,西双版纳州

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Abstract:

Twenty three kinds of typical plants in Xishuangbanna, the tropical area of southwestern China, were screened to estimate the emission rates of isoprene and monoterpenes by adopting bag enclosure and curette sampling methods followed by a GC FID analysis. It was found that the Ficus species were mainly emitting isoprene and most tropical vegetations were mainly releasing monoterpenes. The results also showed that the emissions of isoprene were affected by both temperature and PAR(Photosynthetic Active Radiation), while monoterpene emissions were mainly temperature dependent.

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