期刊
CURRENT SCIENCE
卷 120, 期 3, 页码 479-483出版社
INDIAN ACAD SCIENCES
DOI: 10.18520/cs/v120/i3/479-483
关键词
Bioenergy plantations; global warming; isoprene; ozone; poplar
The increasing energy demand and pollution have led to the rise of bioenergy plantations, with poplar being a significant source of green energy. However, it is important to consider the emissions of isoprene from poplar plantations, as it can have a long-term impact on atmospheric chemistry and climate change. Further research is needed to assess the effects and consider alternative low-emitting species for bioenergy plantations.
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.
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