干旱区生态环境知识资源中心(Arid): 陕西省榆林市秋冬季黑碳观测研究

Arid

	陕西省榆林市秋冬季黑碳观测研究
其他题名	Concentration Variation and Absorption Characteristics of Black Carbon during Autumn and Winter in Yulin near Mu Us Sandy Land
	杜川利; 李星敏; 陈闯; 王繁强; 彭艳; 董妍; 董自鹏
来源期刊	中国沙漠
ISSN	1000-694X
出版年	2014
卷号	34 期号:3 页码:869-877
中文摘要	利用2011年秋冬季榆林大气成分站黑碳浓度、颗粒物质量浓度、大气能见度、地面气象资料,计算边界层高度、气溶胶吸收系数、大气消光系数,导出单次散射反照率,并对其进行分析讨论。结果表明:(1)榆林秋冬季平均黑碳浓度为2.6 mug· m~(-3)。(2)黑碳占颗粒物质量浓度PM_(1.0)比值为10.6%,黑碳与颗粒物质量浓度PM_(1.0)、PM_(2.5)、PM_(10)相关系数分别为0. 91、0. 91,0. 72。(3)黑碳浓度受边界层高度影响,沙漠风场对黑碳的堆积输送起主导作用。(4)榆林地区气溶胶吸收系数与大气消光系数比值为16.8%。(5)单次散射反照率平均值为0. 72。
英文摘要	To understand the impact of black carbon aerosol on local pollution, black carbon aerosol is studied at Yulin. The data of black carbon concentration, particle mass concentration, visibility, and meteorological data measured during autumn and winter of 20112012 at Yulin were used to calculate the planetary boundary layer top height, aerosol absorption coefficient, and atmospheric extinction coefficient, then the single scattered albedo was derived from the calculation results. Concentration variation and absorption characteristics of Black Carbon were observed. The results showed that: (l)The mean value of black carbon concentration is 2. 6 mug·m~(-3) within a range between 0. 07 mug·m~(-3) and 10. 6 mug·m~(-3). (2) The percentage of black carbon concentration in PM1. 0 is 10. 6 %、and the correlation coefficients between black carbon and particle mass concentrations of PM_(1.0), PM_(2.5), and PM_(10) are 0. 91, 0. 91, and 0. 72, respectively. (3) Black Carbon concentration is affected by planetary boundary layer top height, and its accumulation and transportation are affected by the desert wind field. (4) The percentage of aerosol absorption coefficient in the atmospheric extinction coefficient is 16. 8% within a range between 2. 3% and 67. 8%. (5)The mean single scattering albedo is 0. 72, ranging from 0. 51 to 0. 86.
中文关键词	黑碳 ; 吸收系数 ; 消光系数 ; 边界层 ; 榆林 ; 毛乌素沙地
英文关键词	black carbon absorption coefficient extinction coefficient planetary boundary layer Yulin Mu Us Sandy Land
语种	中文
国家	中国
收录类别	CSCD
WOS类目	CHEMISTRY PHYSICAL
WOS研究方向	Chemistry
CSCD记录号	CSCD:5153926
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/232191
作者单位	陕西省气象科学研究所, 西安, 陕西 710015, 中国
推荐引用方式 GB/T 7714	杜川利,李星敏,陈闯,等. 陕西省榆林市秋冬季黑碳观测研究[J],2014,34(3):869-877.
APA	杜川利.,李星敏.,陈闯.,王繁强.,彭艳.,...&董自鹏.(2014).陕西省榆林市秋冬季黑碳观测研究.中国沙漠,34(3),869-877.
MLA	杜川利,et al."陕西省榆林市秋冬季黑碳观测研究".中国沙漠 34.3(2014):869-877.