干旱区生态环境知识资源中心(Arid): 中国环渤海地区SO_2和NO

Arid

	中国环渤海地区SO_2和NO_2干沉降数值模拟及影响因子分析
其他题名	Numerical simulation and sensitive factors analyse for dry deposition of SO_2 and NO_2 in Bohai Rim area of China
	苏航 1; 银燕 2; 朱彬 2; 王自发 3; 李杰 3; 潘小乐 3
来源期刊	中国环境科学
ISSN	1000-6923
出版年	2012
卷号	32 期号:11 页码:1921-1932
中文摘要	利用耦合了Wesely大叶阻力干沉降模型的嵌套网格空气质量预报系统NAQPMS,对环渤海地区SO_2和NO_2的干沉降敏感因子、干沉降通量、空气质量进行模拟分析.结果表明,大气稳定度、太阳辐射、季节、下垫面类型为干沉降的主要敏感因子.大气越稳定,干沉降速率越小.太阳辐射越强,干沉降速率越大.SO_2早秋干沉速率最小,冬季最大;NO_2春、夏、早秋、晚秋的干沉降速率大致相同,冬季最小.SO_2的干沉降速率在水面上较大,在沙漠上较小;NO_2的干沉降速率在农田上较大,在水面上较小.由于不同敏感因子的共同作用,使得环渤海大部分地区SO_2干沉降通量密度为0.05~0.25 g/(m~2 s),NO_2干沉降通量密度均为0.05~0.30 g/(m~2 s),高值区均主要分布在河北南部、山东西北部以及辽宁中部的部分地区.干沉降通量密度从大到小依次为秋季、春季、冬季和夏季,白天干沉降通量密度普遍大于夜间,且在渤海海面上也有一定的干沉降通量.由于干沉降、源排放、输送等作用的共同影响,使得环渤海地区SO_2平均浓度为(5~20)10-6,NO_2平均浓度大致在(20~60)10-6,高值区主要出现在河北南部、山东西北部以及辽宁中部的部分地区.夏季个别地区浓度较高,大部分地区浓度较低,春、秋、冬3季大部分地区浓度较高.
英文摘要	Nested air quality prediction modeling system (NAQPMS), had been coupled with the Wesely large leaf resistance dry deposition model from USA. The influencing factors of dry deposition and dry deposition flux of SO_2 and NO_2 in Bohai Rim area were simulated and analyzed. The main sensitive factors of dry deposition included atmospheric stabilities, solar radiation, seasons and surface pattern. The dry deposition velocity decreased with the increasing atmospheric stabilities and it rose more with intensive solar Radiation. The dry deposition velocity of SO_2 had the minimum value in early autumn and the maximum value in winter. The dry deposition velocity of NO_2 had the similar values during spring, summer, early autumn and late autumn, and reached its minimum value in winter. The dry deposition velocity of SO_2 was maximum on the water surface while minimum in desert area. To dry deposition velocity of NO_2 was lower on the water surface, while it remained higher on the farmlands. Because of the cumulative effect of different sensitive factors, the dry deposition flux of SO_2 in the most of the research area remained between 0.05~0.25mug/(m~2·s)whereas the dry deposition flux of NO_2 was between 0.05~0.30mug/(m~2·s). The higher value were noted in the south of Hebei, north west of Shandong and middle of Liaoning province. For the four season the dry deposition flux was ranked as: autumn>spring>winter> summer. The dry deposition flux was larger in daytime than at night, it included some dry deposition flux of SO_2 on the sea surface of Bohai region. In order of the effects of dry deposition、emission and transport, the concentration of SO_2 in Bohai Rim was between (5~20)mu10-6, NO_2 between (20~60)mu10-6. The maximum values of all the factors were observed in south of Hebei, north west of Shandong and the middle of Liaoning. The concentration was higher in summer in some area, while lower in most of the area, it remained higher during spring, autumn and winter.
中文关键词	干沉降 ; 环渤海 ; 数值模拟
英文关键词	SO_2 NO_2 dry deposition SO_2 NO_2 Bohai Rim numerical simulation
语种	中文
国家	中国
收录类别	CSCD
WOS类目	ENVIRONMENTAL SCIENCES
WOS研究方向	Environmental Sciences & Ecology
CSCD记录号	CSCD:4673356
来源机构	中国科学院大气物理研究所
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/228907
作者单位	1.南京信息工程大学大气物理学院, 大气边界层物理和大气化学国家重点实验室, 南京, 江苏 210044, 中国; 2.南京信息工程大学大气物理学院, 南京, 江苏 210044, 中国; 3.中国科学院大气物理研究所, 大气边界层物理和大气化学国家重点实验室, 北京 100029, 中国
推荐引用方式 GB/T 7714	苏航,银燕,朱彬,等. 中国环渤海地区SO_2和NO_2干沉降数值模拟及影响因子分析[J]. 中国科学院大气物理研究所,2012,32(11):1921-1932.
APA	苏航,银燕,朱彬,王自发,李杰,&潘小乐.(2012).中国环渤海地区SO_2和NO_2干沉降数值模拟及影响因子分析.中国环境科学,32(11),1921-1932.
MLA	苏航,et al."中国环渤海地区SO_2和NO_2干沉降数值模拟及影响因子分析".中国环境科学 32.11(2012):1921-1932.