A study for development of emission factors for trace gases and carbonaceous particulate species from in situ burning of wheat straw in agricultural fields in india

被引：113

作者：

Sahai, Shivraj ^{[1
]}

Sharma, C. ^{[1
]}

Singh, D. P. ^{[1
]}

Dixit, C. K. ^{[1
]}

Singh, Nahar ^{[1
]}

Sharma, P. ^{[1
]}

Singh, K. ^{[1
]}

Bhatt, S. ^{[1
]}

Ghude, S. ^{[1
]}

Gupta, V. ^{[2
]}

Gupta, Raj K. ^{[1
]}

Tiwari, M. K. ^{[1
]}

Garg, S. C. ^{[1
]}

Mitra, A. P. ^{[1
]}

Gupta, Prabhat K. ^{[1
]}

机构：

[1] Natl Phys Lab, New Delhi 110012, India

[2] CIMMYT India, RWC, New Delhi 110012, India

来源：

ATMOSPHERIC ENVIRONMENT | 2007年 / 41卷 / 39期

关键词：

agricultural crop residue; biomass; inventory estimation; greenhouse gases; carbonaceous aerosols;

D O I：

10.1016/j.atmosenv.2007.07.054

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Major crops subject to field burning of crop residue (FBCR) generated an estimated 284 Tg of residue in India, of which 40% was contributed by wheat in the year 2000. About 7.5% of this total generated wheat straw was subjected to on-site burning, that is expected to emit large amounts of trace gases and particulate matter (PM) to the atmosphere, whose country-specific estimates and emission factors (EFs) are presently not available. An in situ experiment for wheat straw burning was undertaken for developing India specific EFs. The EFs of CO2, CH4, CO, N2O, NOx, NO and NO2 were found to be 1787 +/- 36, 3.6 +/- 2.7, 28.1 +/- 20.1, 0.74 +/- 0.46, 1.70 +/- 1.68, 0.78 +/- 0.71 and 0.56 +/- 0.47 g kg(-1), whereas those for organic carbon (OC), black carbon (BC) and total carbon (TC) were 0.3 +/- 0.1, 0.2 +/- 0.1, and 0.5 +/- 0.2 g kg(-1), respectively. Although these EFs have been generated from a single field experiment nevertheless they address important information gap on FBCR in the region. Further, the total emissions of CH4, CO2, CO, N2O, NOx, NO, NO2, OC, BC and TC from wheat straw burning in India for the year 2000 was estimated as 68 51, 34435 682, 541 387, 14 9, 33 +/- 32, 15 +/- 14, 11 +/- 9, 6 +/- 2, 3 +/- 1 and 10 +/- 4 Gg, respectively. (C) 2007 Elsevier Ltd. All rights reserved.

引用

页码：9173 / 9186

页数：14

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