PDF Download

[1]GONG Xuewei,HE Xuemin,LYU Guanghui,et al.Vertical Distribution Characteristics and the Main Meteorological Factors of Floating Dust in a Desert-oasis Ecotone of Ebinur Basin, Xinjiang Uygur Autonomous Region[J].Research of Soil and Water Conservation,2017,24(01):96-102.

Copy

Vertical Distribution Characteristics and the Main Meteorological Factors of Floating Dust in a Desert-oasis Ecotone of Ebinur Basin, Xinjiang Uygur Autonomous Region

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 24 Number of periods: 2017 01 Page number: 96-102 Column: Public date: 2017-02-28

Title:: Vertical Distribution Characteristics and the Main Meteorological Factors of Floating Dust in a Desert-oasis Ecotone of Ebinur Basin, Xinjiang Uygur Autonomous Region

Author(s):: GONG Xuewei^1,2, HE Xuemin^2,3, LYU Guanghui^2,3, CHEN Yue^1,2; 1. College of Resources and Environment Science, Xinjiang University, Urumqi 830046, China;
2. Key Laboratory of Oasis Ecology, Urumqi 830046, China;
3. Institute of Arid Ecology and Environment, Xinjiang University, Urumqi 830046, China

Keywords:: desert-oasis ecotone; floating dust; vertical distribution; meteorological-floating dust multiple regression analysis

CLC:: X831

DOI:: -

Abstract:: Six particle size interval (0.3 μm≤x < 0.5 μm, 0.5 μm≤x < 1.0 μm, 1.0 μm≤x < 3.0 μm, 3.0 μm≤x < 5.0 μm, 5.0 μm≤x < 10.0 μm, 10.0 μm≤x) floating dust concentrations and meteorological data on seven kinds of height (2, 3, 6, 12, 15, 21, 27 m) were measured by the laser dust particle counter and automatic observing system for meteorological gradient to study vertical distribution characteristics and the main meteorological factors of floating dust in a Desert-oasis Ecotone of Ebinur Basin, Xinjiang Uygur Autonomous Region. The results showed that the average contribution of 0.3 μm≤x < 3.0 μm among different size interval floating dusts accounted for the highest, add up to 97.6%. The distribution rule of floating dust overall contribution (0.3 μm≤x) on the seven layer heights was high on both sides of the middle low (C_3m > C_6m > C_2m > C_21m > C_27m > C_12m > C_15m), which could be called ‘dumbbell effect’. Analogue data obtained from meteorological-floating dust regression equation and measured data showed the significantly positive correlation (p < 0.05), and the diurnal variation trend of analogue data was similar to the measured data. Wind speed had the significant positive and negative effects on floating dust concentrations (wind speed less than the critical value in favor of floating dust accumulation, whereas promoted floating dust diluted) (p < 0.01), and floating dust concentration reduced obviously (p < 0.01) with the increase of relative humidity.

References:: [1] 徐莉,李艳红.乌鲁木齐市大气降尘环境磁学特征[J].干旱区地理,2014,37(2):274-280.
[2] 谭荣.制度环境与自然资源的可持续利用[J].自然资源学报,2010,25(7):1218-1228.
[3] Makkonenu, Hellén H, Anttila P, et al. Size distribution and chemical composition of airborne particles in south-eastern Finland during different seasons and wildfire episodes in 2006[J]. Science of the Total Environment, 2010,408(3):644-651.
[4] 韩冰雪,张国华,毕新慧,等.广州城区夏季大气颗粒物数浓度谱分布特征[J].环境科学研究,2015,28(2):198-204.
[5] 穆桂金,贺俊霞,雷加强,等.再议绿洲-沙漠过渡带:以策勒绿洲-沙漠过渡带为例[J].干旱区地理,2013,36(2):195-202.
[6] 常轶深,钱亦兵,王忠臣,等.艾比湖地区南北典型断面的土壤力度特征[J].干旱区地理,2012,35(6):968-977.
[7] 马晓飞,楚新正,马倩.艾比湖地区冻融作用对梭梭群落土壤酶活性及微生物数量的影响[J].干旱区地理,2015,38(6):1190-1201.
[8] 吉力力·阿不都万里,穆桂金.艾比湖干涸湖底尘暴及其灾害分析[J].干旱区地理,2002,25(2):149-154.
[9] 田涛.艾比湖"撒盐"经济带"抽搐"[N].中国环境报,2001-05-15(2).
[10] 霍文,何清,杨兴华,等.中国北方主要沙漠沙尘粒度特征比较研究[J].水土保持研究,2011,18(6):6-11.
[11] 毛东雷,雷加强,曾凡江,等.策勒绿洲-沙漠过渡带风沙活动强度的空间分布特征[J].水土保持学报,2013,27(2):13-19.
[12] 霍文,何清,杨兴华,等.塔里木盆地多种沙源类型沙通量异变特征研究[J].水土保持研究,2012,19(5):102-125.
[13] 何学敏,吕光辉,秦璐,等.艾比湖荒漠-湿地生态系统非生长季碳通量数据特征[J].生态学报,2014,34(22):6655-6665.
[14] 毛吉旦木·地力夏提.艾比湖湿地典型区表层土壤粒度空间分布特征[D].乌鲁木齐:新疆师范大学,2014.
[15] Li Han, Guo Bin, Han Mengfei, et al. Particulate matters pollution characteristic and the correlation between PM(PM_2.5, PM₁₀)and meteorological factors during the summer in Shijiazhuang[J]. Journal of Environmental Protection, 2015,6(11):457-463.
[16] 赵文慧,宫辉力,赵文吉,等.基于地统计学的北京市可吸入颗粒物时空变异性及气象因素分析[J].环境科学学报,2010,30(11):2154-2163.
[17] 李红军,杨青,何清.艾比湖地区的输沙势分析[J].干旱区研究,2003,20(4):322-325.
[18] 赵明,詹科杰,杨自辉,等.民勤沙漠-绿洲低空沙尘暴结构特征研究[J].中国科学:地球科学,2011,41(2):234-242.
[19] 刘昌伟,赵勇,苗蕾,等.城市高层建筑大气颗粒物污染和噪声垂直分布特征[J].生态环境学报,2009,18(5):1793-1797.
[20] Karar K, Gupta A K, Kumar A, et al. Characterization and identification of the sources of chromium, zinc, lead, cadmium, nickel, manganese and iron in PM₁₀ particulates at the two sites of Kolkata, India[J]. Environmental Monitoring and Assessment, 2006,120(1/3):347-360.
[21] Whiteaker J, Suess D, Prather K. Effects of meteorological conditions on aerosol composition and mixing State in Bakersfield, CA[J]. Environmental Science and Technology, 2002,36(11):2345-2353.
[22] 李沐珂,沈振兴,李旭祥,等.西安市可吸入颗粒物污染水平及其与气象条件的关系[J].过程工程学报,2006,6(S2):15-19.

Similar References:

Memo

Last Update: 1900-01-01