Emission inventory and the temporal and spatial distribution of pollutant for open field straw burning in Heilongjiang province
LI Li-li1,2, WANG Kun1,2, JIANG Jun-qiu2, LIU Fan2, PU Yi-hao2, LIU Wei2, QI Hong1,2, YU Hang2
1. State Key Laboratory of Urban Water Resources and Environment, Harbin Institute of Technology, Harbin 150090, China;
2. School of Environment, Harbin Institute of Technology, Harbin 150090, China
An emission inventory of open field straw burning was established on the method of emission factors over the Heilongjiang Province for the year of 2016 in this paper. The temporal and spatial distribution characteristics of emission pollutants were also comprehensive analyzed in this study. Our results showed that the total emissions of CO2, CO, CH4, NMVOCs, NH3, BC, OC, SO2, NOx, PM10 and PM2.5 were 1.314×107, 4.192×105, 3.77×104, 8.35×104, 6.5×103, 4.4×103, 3.13×104, 5.0×103, 3.28×104, 8.81×104 and 1.014×105t, respectively. Further uncertainty analysis for 95% confidence intervals revealed that the uncertainties ranged from a low value of ±86% for NOx to a high value of ±187% for CO. The reliability analysis also demonstrated that the compiled emission inventory is reasonable. The spatial distribution of higher values for emission pollutants was located in the western and eastern regions of Heilongjiang Province. Temporally, two obviously emission peaks for emitted pollutants from straw burning were presented throughout the year. The decline of open field straw burning would effectively promote the reduction of regional total emission of atmospheric pollutants, and the mode of intensive farming and large-scale management over the reclamation area in Heilongjiang Province can effectively control the regional open field straw burning.
李莉莉, 王琨, 姜珺秋, 刘帆, 普轶浩, 刘威, 齐虹, 于航. 黑龙江省秸秆露天焚烧污染物排放清单及时空分布[J]. 中国环境科学, 2018, 38(9): 3280-3287.
LI Li-li, WANG Kun, JIANG Jun-qiu, LIU Fan, PU Yi-hao, LIU Wei, QI Hong, YU Hang. Emission inventory and the temporal and spatial distribution of pollutant for open field straw burning in Heilongjiang province. CHINA ENVIRONMENTAL SCIENCECE, 2018, 38(9): 3280-3287.
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