Photolysis of Particulate Nitrate as a Source of HONO and NOx

doi:10.1021/acs.est.7b00387

CORC > 北京大学 > 环境科学与工程学院

	Photolysis of Particulate Nitrate as a Source of HONO and NOx
	Ye, Chunxiang ; Zhang, Ning ; Gao, Honglian ; Zhou, Xianliang
刊名	ENVIRONMENTAL SCIENCE & TECHNOLOGY
	2017
关键词	ABSORPTION CROSS-SECTIONS RING-DOWN SPECTROSCOPY NITRIC-ACID PHOTOLYSIS GAS-PHASE SOURCE NITROUS-ACID REACTIVE NITROGEN HUMIC SUBSTANCES BOUNDARY-LAYER FOREST CANOPY ALERT 2000
DOI	10.1021/acs.est.7b00387
英文摘要	Photolysis of nitric acid on the surface has been found recently to be greatly enhanced from that in the gas phase. Yet, photolysis of particulate nitrate (pNO(3)) associated with atmospheric aerosols is still relatively unknown. Here, aerosol filter samples were collected both near the ground surface and throughout "the troposphere on board the NSF/NACR C-130 aircraft. The photolysis rate constants of pNO(3) were determined from these samples by directly monitoring the production rates of nitrous acid (HONO) and nitrogen dioxide (NO2) under UV light (>290 nm) irradiation. Scaled to the tropical noontime condition on the ground level (solar zenith angle = 0 degrees), the normalized photolysis rate constants (j(pNO3)(N)) are in the range from 6.2 X 10(-6) s(-1) to 5.0 X 10(-4) s(-1) with a median of 8.3 X 10(-5) s(-1) and a mean (+/-1 SD) of (1.3 +/- 1.2) x 10(-4) s(-1). Chemical compositions, specifically nitrate loading and organic matter, affect the rate of photolysis. Extrapolated to ambient pNO(3) loading conditions, e.g. <= 10 nmol m(-3), the mean jpNNo, value is over 1.8 X 10(-4) s(-1) in the suburban,; NSF [ATM-0632548, AGS-1216166]; SCI(E); ARTICLE; 12; 6849-6856; 51
语种	英语
内容类型	期刊论文
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/472734]
专题	环境科学与工程学院
推荐引用方式 GB/T 7714	Ye, Chunxiang,Zhang, Ning,Gao, Honglian,et al. Photolysis of Particulate Nitrate as a Source of HONO and NOx[J]. ENVIRONMENTAL SCIENCE & TECHNOLOGY,2017.
APA	Ye, Chunxiang,Zhang, Ning,Gao, Honglian,&Zhou, Xianliang.(2017).Photolysis of Particulate Nitrate as a Source of HONO and NOx.ENVIRONMENTAL SCIENCE & TECHNOLOGY.
MLA	Ye, Chunxiang,et al."Photolysis of Particulate Nitrate as a Source of HONO and NOx".ENVIRONMENTAL SCIENCE & TECHNOLOGY (2017).