Comparison of Aerosol Scattering Coefficiens between Desert and City

doi:10.7522/j.issn.1000-694X.2013.00361

JOURNAL OF DESERT RESEARCH

2014, Vol. 34

Issue (5): 1363-1368 DOI: 10.7522/j.issn.1000-694X.2013.00361

Comparison of Aerosol Scattering Coefficiens between Desert and City

Peng Yanmei¹, He Qing², Liu Xinchun², Wang Shu¹, Gao Lei¹

1. Xinjiang Meteorological Service Center, Urumqi 830002, China;
2. Xinjiang Laboratory of Tree Ring Ecology/Key Laboratory of Tree-ring Physical and Chemical Research of China Meteorological Administration/Taklimakan Desert Atmosphere and Environment Observation and Experiment Station, Institute of Desert Meteorology, China Meteorological Administration, Urumqi 830002, China

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Abstract The observation data of single-band integral nephelometer from January 1, 2010 to December 31, 2010 in Taklimakan Desert atmospheric observations and Experiment Station (Tazhong, referred to as desert) and atmospheric composition observatories station (Urumqi, referred to city) were used to analyze the change characteristics of aerosol scattering coefficients of these two different underlying surface areas. The results showed that: (1) The hourly average aerosol scattering coefficients range from 39.6 to 8 442.8 Mm^-1in Tazhong, and the average value is 318.4 Mm^-1; the hourly average aerosol scattering coefficients range from 28.9 to 6 590.0 Mm^-1in Urumqi, and the average value is 451.5 Mm^-1; the hours with the average value above 1000 Mm^-1 in Urumqi was much more than that in Tazhong. (2) The diurnal variation of aerosol scattering coefficients shows a single peak in Tazhong, and the maximum value is 387.0 Mm^-1 which appears at 02:00, the minimum value is 276.4 Mm^-1 which appears at 17:00. The diurnal variation of aerosol scattering coefficients presents three peaks in Urumqi, and the three peaks appear at 09:00, 14:00, and 22:00, respectively. There were significant differences for diurnal variation between Tazhong and Urumqi. (3) In Tazhong, the maximum value of monthly average aerosol scattering coefficients is 500.2 Mm^-1 which appears in April, the minimum value of 145.9 Mm^-1 is in February. In Urumqi, the maximum value of monthly average aerosol scattering coefficients is 1 086.3 Mm^-1 in February, the minimum value is 101.1 Mm^-1 in July. The monthly change in the two regions as a whole shows an opposite trend. (4) The seasonal average values in Tazhong are ranked in the sequence of spring>summer>autumn>winter, and the seasonal average values in Urumqi are ranked in the sequence of winter>autumn>spring>summer.

Key words: scattering coefficient desert city aerosol

Received: 10 December 2013 Published: 20 September 2014

ZTFLH:

O648.18

Corresponding Authors: 何清（Email：qinghe@idm.cn） E-mail: qinghe@idm.cn



	Articles by authors
	Peng Yanmei
	He Qing
	Liu Xinchun
	Wang Shu
	Gao Lei

Cite this article:

Peng Yanmei, He Qing, Liu Xinchun, Wang Shu, Gao Lei. Comparison of Aerosol Scattering Coefficiens between Desert and City. JOURNAL OF DESERT RESEARCH, 2014, 34(5): 1363-1368.

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http://www.desert.ac.cn/EN/10.7522/j.issn.1000-694X.2013.00361 OR http://www.desert.ac.cn/EN/Y2014/V34/I5/1363

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