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Are We Conscious of Isoprene Emissions from Our Poplar Plantations?


Affiliations
1 ICAR-Indian Institute of Soil and Water Conservation, Dehradun 248 195, India
2 ICAR-Indian Institute of Soil and Water Conservation, Research Centre, Vasad, Anand 388 306, India
3 ICAR-Indian Institute of Natural Resins and Gums, Namkum 834 010, India
 

The growing energy demand and increasing pollution due to conventional energy sources prompted the concept of bioenergy plantations, which are considered as carbon neutral. The area under bioenergy plantations is increasing rapidly to meet economical and ecological societal needs. Poplar is one of the most important sources of green energy amongst all species. It is widely cultivated as a bioenergy crop due to its fast growth, short rotation and carbon neutrality. However, one of the major aspects that we must consider is that it is a strong emitter of isoprene which can alter ozone flux in the atmosphere. Owing to its extremely reactive nature, isoprene may substantially influence the tropospheric composition by affecting its oxidative capacity with serious impact on air health, global warming, ecological functions and thus human life. We should assess isoprene emissions from existing poplar plantations and the expected increase in isoprene load with future expansion of poplar plantations in India, to know their long-term effect on atmospheric chemistry and climate change. This will help in deciding whether we should further promote poplar plantations, or look for suitable alternative non-/low-emitting species for bioenergy plantations.

Keywords

Bioenergy Plantations, Global Warming, Isoprene, Ozone, Poplar.
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  • Are We Conscious of Isoprene Emissions from Our Poplar Plantations?

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Authors

Vibha Singhal
ICAR-Indian Institute of Soil and Water Conservation, Dehradun 248 195, India
Dinesh Jinger
ICAR-Indian Institute of Soil and Water Conservation, Research Centre, Vasad, Anand 388 306, India
Jyotirmoy Ghosh
ICAR-Indian Institute of Natural Resins and Gums, Namkum 834 010, India

Abstract


The growing energy demand and increasing pollution due to conventional energy sources prompted the concept of bioenergy plantations, which are considered as carbon neutral. The area under bioenergy plantations is increasing rapidly to meet economical and ecological societal needs. Poplar is one of the most important sources of green energy amongst all species. It is widely cultivated as a bioenergy crop due to its fast growth, short rotation and carbon neutrality. However, one of the major aspects that we must consider is that it is a strong emitter of isoprene which can alter ozone flux in the atmosphere. Owing to its extremely reactive nature, isoprene may substantially influence the tropospheric composition by affecting its oxidative capacity with serious impact on air health, global warming, ecological functions and thus human life. We should assess isoprene emissions from existing poplar plantations and the expected increase in isoprene load with future expansion of poplar plantations in India, to know their long-term effect on atmospheric chemistry and climate change. This will help in deciding whether we should further promote poplar plantations, or look for suitable alternative non-/low-emitting species for bioenergy plantations.

Keywords


Bioenergy Plantations, Global Warming, Isoprene, Ozone, Poplar.

References





DOI: https://doi.org/10.18520/cs%2Fv120%2Fi3%2F479-483