Singh Abhai Pratap, Varshney C K
School of Environmental Sciences, Jawaharlal Nehru University, New Delhi-110067, India.
Environ Monit Assess. 2006 Nov;122(1-3):145-51. doi: 10.1007/s10661-005-9170-9.
Tropical and sub tropical regions are regarded as dominant source of biogenic volatile organic compounds emission (BVOC). However, measurement studies from these regions are limited and largely confined to South Africa and Amazonia. Consequently, global BVOC estimates are mainly based on modeling studies. Moreover, BVOC emission estimate is altogether lacking for any region of the Indian sub continent. This study attempts to estimate isoprene emission capacity of forest of Haryana state. Individual plant species isoprene emission capacity is found to vary from below detection limit (BDL) to 12.01 mg Cm(-2) h(-1). Maximum emission capacity (12.01 mg Cm(-2) h(-1)) is noticed in case of Dalbergia sissoo. The area average isoprene emission capacity for the Haryana forest is found to be 19.98 mg Cm(-2) h(-1), which is significantly (2.4 times) higher than the reported isoprene emission value of 8.2 mg Cm(-2) h(-1) for the Kalahari woodland of Africa.
热带和亚热带地区被视为生物源挥发性有机化合物（BVOC）排放的主要来源。然而，来自这些地区的测量研究有限，且主要局限于南非和亚马逊地区。因此，全球BVOC估算主要基于模型研究。此外，印度次大陆的任何地区都完全缺乏BVOC排放估算。本研究试图估算哈里亚纳邦森林的异戊二烯排放能力。发现单个植物物种的异戊二烯排放能力从低于检测限（BDL）到12.01毫克碳每平方米每小时不等。在印度紫檀的情况下，观察到最大排放能力（12.01毫克碳每平方米每小时）。哈里亚纳邦森林的区域平均异戊二烯排放能力为19.98毫克碳每平方米每小时，这比报道的非洲卡拉哈里林地8.2毫克碳每平方米每小时的异戊二烯排放值显著高出（2.4倍）。
