A Sustainable Way to Mitigate Ozone Pollution by Reducing Biogenic Vocs Through Landscape Management Programme

  IJETT-book-cover  International Journal of Engineering Trends and Technology (IJETT)          
© 2018 by IJETT Journal
Volume-56 Number-2
Year of Publication : 2018
Authors : Pallavi Saxena, Chirashree Ghosh
DOI :  10.14445/22315381/IJETT-V56P215


Pallavi Saxena, Chirashree Ghosh "A Sustainable Way to Mitigate Ozone Pollution by Reducing Biogenic Vocs Through Landscape Management Programme", International Journal of Engineering Trends and Technology (IJETT), V56(2),87-91 February 2018. ISSN:2231-5381. www.ijettjournal.org. published by seventh sense research group

Trees can affect air quality in several ways: ozone pollution, pollutant deposition, temperature reduction, carbon sequestration, and emission of biogenic volatile organic compounds (BVOCs). Ideally, all tree effects on air quality especially ozone pollution would be included in tree selection to maximize net benefits. This control measure claims reductions for BVOC emissions only. BVOCs were included as an initial step in air quality planning because they were most readily quantified. Reductions were achieved by planting lower-emitting species than would be the case in the absence of the control measure. The Tree BVOC Index (TBI) is an alternative prescriptive approach that provides an estimate of projected and actual emission reductions, gives users a clearly defined target to reach and a method to continuously monitor progress, is completely transparent to users and regulators, and eliminates labeling of tree species, thereby facilitating verification and enforcement in a regulatory environment. A TBI less than or equal to 1.0 informs the user that their tree planting program is on track to meet its goal. In the present study, four tree species were selected viz. Dalbergia sissoo, Butea monosperma, Mangifera indica and Azadirachta indica at two sites namely Site I, traffic intersection and Site II, industrial for determination of Tree BVOC index by calculating ratio of future emissions from a proposed or current planting of trees at particular sites annually in a capital city of India, Delhi. The results indicated that Dalbergia sissoo and Butea monosperma calculated Tree BVOC index was found to be 3.22 and 2.11 at Site I and 3.79 and 2.43 at Site II respectively while 0.66 and 0.22 at Site I and 0.69 and 0.22 at Site II in case of Mangifera indica and Azadirachta indica respectively. Hence, the study concludes that among four selected trees, Mangifera indica and Azadirachta indica which have calculated TBI values less than 1 were found to suitable for planting and can be used as in greenbelt development programmes while Dalbergia sissoo and Mangifera indica which have values more than 1 were not recommended for planting especially for mitigating ozone pollution. Hence, Tree BVOC index can be used as a sustainable way to mitigate ozone pollution and can be used for landscape development programmes.

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Ozone, BVOC, Tree, Air quality and Mitigation.