课题基金 / 基金详情

Measurements of oxygenated volatile organic compounds emitted from tropical plants

Measurements of oxygenated volatile organic compounds emitted from tropical plants
热带植物排放的含氧挥发性有机化合物的测量
批准号:
12640481
负责人:
YOKOUCHI Yoko
金额:
$2.24万
依托单位国家:
日本
项目类别:
Grant-in-Aid for Scientific Research (C)
财政年份:
2000
资助国家:
日本
项目状态:
已结题
起止时间:
2000 至 2002

项目摘要

项目成果

YOKOUCHI Yoko的其他基金

相似基金

相关文献

中文摘要
翻译
从热带植物排放的挥发性有机化合物(VOCs)在东南亚低地热带森林的代表性物种生长的温室以及马来西亚帕索的热带雨林中进行了测量。在调查的30种热带植物的排放气体中检测到48种VOCs,其中含氧VOCs 25种(壬醛和癸醛、3-己烯乙酸酯、6-甲基-5-庚-2-on、3-甲基呋喃、2-甲基呋喃等半挥发性醛)。结果表明,半挥发性醛类物质的释放率在白天有所增加。叶蜡在地表的臭氧分解和叶蜡的直接排放可能是醛类化合物释放的途径。本研究还发现,一些常见的热带植物(某些类型的蕨类植物和龙心科植物)也会大量排放氯甲烷。排放率为每克干叶每小时0.1 ~ 3.7 ug,表明热带植物可以解释大部分缺失的氯甲烷来源。结果表明,带有附生地衣的龙脑果叶能显著减少氯甲烷的排放。
英文摘要
Volatile organic compounds (VOCs) emitted from tropical plants were measured in a greenhouse where representative species from lowland tropical forests of South East Asia grow, as well as in a tropical rainforest at Pasoh, Malaysia. Forty eight kinds of VOCs including 25 oxygenated VOCs (semi-volatile aldehydes such as nonanal and decanal, 3-hexenyl acetate, 6-methyl-5-hepten-2-on, 3-methyl furan, 2-methyl furan etc.) were detected in the emission gases from the thirty species of tropical plants investigated. It was found that semi-volatile aldehydes emission rates were increased during the daytime. Ozonolysis of leaf-wax at the surface, as well as the direct emission from leaves, were possible pathways for the aldehydes emissions. Large emission of methyl chloride from some common tropical plants (certain types of ferns and Dipterocarpaceae) was also found in this study. The emission rate ranged from 0.1 to 3.7 ug per gram dry leaf per hour, suggesting that tropical plants could explain a large portion of missing methyl chloride source. It was found that dipterocarp leaves with epiphytic lichens greatly reduced emission of methyl chloride.
期刊论文(11)
专著(0)
科研奖励(0)
会议论文
横内 陽子: "大気中の自然起源ハロゲン化合物の動態解明に向けて"かんきょう. 27・12. 42-43 (2002)
横内洋子:“阐明大气中天然存在的卤素化合物的动态”Kankyo 27・12(2002)。
DOI: --
发表时间:
期刊:
影响因子: --
作者: []
通讯作者:
横内陽子: "大気中の自然起源ハロゲン化合物の動態解明に向けて"かんきょう. 27・12. 42-43 (2002)
横内洋子:“阐明大气中天然存在的卤素化合物的动态”Kankyo 27・12(2002)。
DOI: --
发表时间:
期刊:
影响因子: --
作者: []
通讯作者:
Y. Yokouchi et al: "Strong emission f methyl chloride from tropical plants"Nature. 416. 163-165 (2002)
Y. Yokouchi 等人:“热带植物强烈排放甲基氯”《自然》。
DOI: --
发表时间:
期刊:
影响因子: --
作者: []
通讯作者:
Y. Yokouchi et al.: "Studies on naturally-derived halogenated compounds in the atmosphere (in Japanese)"Kankyo. 27-12. 42-43 (2002)
Y. Yokouchi 等人:“大气中天然卤代化合物的研究(日语)”Kankyo。
DOI: --
发表时间:
期刊:
影响因子: --
作者: []
通讯作者:
11
    A study of atmospheric budget of methyl chloride
    Screening of methyl chloride emitting plants in the sub-tropics and a study on the controlling factors of methyl chloride emission.
    A study on the stability of low level standard gas (halocarbons) in pressurized cylinders
    Studies on the Gaseous Organics Emitted from Tropical Rain Forests.
    • 批准号:
      01540498
    • 项目类别:
      Grant-in-Aid for General Scientific Research (C)
    • 资助金额:
      $1.09万
    • 财政年份:
      1990
    • 负责人:
      YOKOUCHI Yoko
    • 依托单位:
    国内基金
    海外基金
    图们江流域农村生活污水处理中Atmosphere-Exposed Biofilm的净化机理及动力学研究
    • 批准号:
      51269032
    • 项目类别:
      地区科学基金项目
    • 资助金额:
      49.0万元
    • 批准年份:
      2012
    • 负责人:
      金明姬
    • 依托单位: