Arid
DOI10.1371/journal.pone.0138577
Particulate Matter Contributions from Agricultural Tilling Operations in an Irrigated Desert Region
Qi, Meilan1; Lin, Kairong2; Li, Xiangzhen3; Sammis, Ted W.4; Miller, David R.5; Wang, Junming6
通讯作者Wang, Junming
来源期刊PLOS ONE
ISSN1932-6203
出版年2015
卷号10期号:9
英文摘要

Sources of regional particulate matter (PM), particularly agricultural operations, must be understood in order to manage the air quality in irrigated dry climates. Direct monitoring measurements alone are useful, but not sufficient, to estimate regional PM source concentrations. This paper combines modeling with ground (point) and airplane (spatial) measurement methods to estimate regional PM10 (PM diameter <= 10 mu m) contributions from agricultural operations. Hourly data from three air quality monitoring stations positioned at a 2-m height located on the west and east mesas of New Mexico’s Mesilla Valley and in the valley at Anthony, NM were acquired from the New Mexico Air Quality Bureau. The study spanned the agricultural tilling season, March 1 to April 30, for the years 2008 to 2012. One-second spatial PM10 concentrations at 200 m above the valley floor were measured during a two-hour controlled field tilling operation on April 1, 2008. The HYSPLIT 4.0 (Hybrid Single-Particle Lagrangian Integrated Trajectory version 4) model was run at the corresponding times and heights, outputting PM10 concentrations from all potential agricultural tilling operations. The calculated percentage contribution (modeled PM10 concentration/measured PM10 concentration) indicated that the near-surface (2-m height) proportion from the agricultural operations for five seasonal averages ranged from 0.7% to 1.5% on the west and east mesas and 1.3% for the valley site at Anthony. There were 71 hourly high values of contribution ratios ranging from 30 to 100% at the three sites, depending on the wind speed and direction.


类型Article
语种英语
国家Peoples R China ; USA
收录类别SCI-E
WOS记录号WOS:000362175700044
WOS关键词EMISSION FACTORS ; MODEL ; DISPERSION ; SENSITIVITY
WOS类目Multidisciplinary Sciences
WOS研究方向Science & Technology - Other Topics
来源机构New Mexico State University
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/189845
作者单位1.Wuhan Univ Technol, Sch Sci, Wuhan 430070, Hubei, Peoples R China;
2.Sun Yat Sen Univ, Dept Water Resources & Environm, Guangzhou 510275, Guangdong, Peoples R China;
3.Chinese Acad Sci, Chengdu Inst Biol, Ecol Restorat Biodivers Conservat Key Lab Sichuan, Key Lab Mt Ecol Restorat & Bioresource Utilizat, Chengdu, Sichuan, Peoples R China;
4.New Mexico State Univ, Dept Plant & Environm Sci, Las Cruces, NM 88003 USA;
5.Univ Connecticut, Dept Nat Resources & Environm, Storrs, CT USA;
6.Univ Illinois, Prairie Res Inst, Climate & Atmospher Sci Sect, Illinois State Water Survey, Champaign, IL 61820 USA
推荐引用方式
GB/T 7714
Qi, Meilan,Lin, Kairong,Li, Xiangzhen,et al. Particulate Matter Contributions from Agricultural Tilling Operations in an Irrigated Desert Region[J]. New Mexico State University,2015,10(9).
APA Qi, Meilan,Lin, Kairong,Li, Xiangzhen,Sammis, Ted W.,Miller, David R.,&Wang, Junming.(2015).Particulate Matter Contributions from Agricultural Tilling Operations in an Irrigated Desert Region.PLOS ONE,10(9).
MLA Qi, Meilan,et al."Particulate Matter Contributions from Agricultural Tilling Operations in an Irrigated Desert Region".PLOS ONE 10.9(2015).
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