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研究机动车污染对斯利那加市环境中颗粒物和二氧化碳浓度的影响。

Study on the effect of vehicular pollution on the ambient concentrations of particulate matter and carbon dioxide in Srinagar City.

机构信息

Division of Environmental Science, Sher e Kashmir University of Agricultural Sciences and Technology, Shalimar 190025, Srinagar, Jammu & Kashmir, India.

Division of Soil Science, Sher e Kashmir University of Agricultural Sciences and Technology, Shalimar 190025, Srinagar, Jammu & Kashmir, India.

出版信息

Environ Monit Assess. 2022 Apr 28;194(6):393. doi: 10.1007/s10661-022-09927-4.

DOI:10.1007/s10661-022-09927-4
PMID:35482106
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9047626/
Abstract

The present study was carried out to monitor the ambient concentrations of particulate matter and carbon dioxide caused by vehicular pollution in Srinagar City of Jammu and Kashmir, India, for a period of 12 months from June 2019 to May 2020 as the major contributions in these areas are due to vehicular movement. Out of five, four locations (viz. Dalgate, Jehangir Chowk, Parimpora and Pantha Chowk) had highest traffic density in the city and the fifth location (Shalimar) had low traffic volume. The sampling was done on every fortnight using AEROCET 831-aerosol mass monitor and CDM 901-CO monitor with each sampling being carried out three times a day, i.e. morning (9:00 am-10:30 am), afternoon (1:00 pm-2:30 pm) and evening (4:30 pm-6:00 pm) with three replications at each site based on the peak traffic hours. The results show that during the whole period, average PM concentrations ranged from 15.10 to 108.9 µg/m, PM (28.70-577.50 µg/m), PM (44.50-780.87 µg/m), PM (57.13-1225.53 µg/m), total suspended particulates (77.77-1410.27 µg/m) and CO (332.4-655.0 ppm). The average concentrations of these parameters showed that the maximum PM concentration was found at Dalgate (53.77 µg/m) and PM had its maximum average concentration at Jehangir Chowk (140.13 µg/m). Other parameters like PM, PM, TSP and CO had a maximum average values at Jehangir Chowk (240.23 µg/m, 633.40 µg/m, 853.50 µg/m and 533.20 ppm, respectively). The pollution load was observed to be maximum during winter season followed by autumn, summer and spring. The lowest concentration of all pollutants except CO was observed in April 2020 and this might be due to COVID-19 lockdown observed in the country during the same period.

摘要

本研究旨在监测 2019 年 6 月至 2020 年 5 月期间，印度查谟和克什米尔的斯利那加市因机动车污染造成的颗粒物和二氧化碳的环境浓度。这是因为在这些地区，主要的污染物是机动车排放的废气。五个地点中，有四个（即达尔盖特、哲杭格克、帕里莫拉和潘塔乔克）的交通密度最高，而第五个地点（沙利马尔）的交通量较低。使用 AEROCET 831-气溶胶质量监测仪和 CDM 901-CO 监测仪，每两周进行一次采样，每天三次采样，即上午（9:00-10:30）、下午（1:00-2:30）和晚上（4:30-6:00），每个地点根据高峰交通时段进行三次重复采样。结果表明，在整个研究期间，平均 PM 浓度范围为 15.10-108.9µg/m3，PM2.5 浓度范围为 28.70-577.50µg/m3，PM10 浓度范围为 44.50-780.87µg/m3，PM2.5 浓度范围为 57.13-1225.53µg/m3，总悬浮颗粒物浓度范围为 77.77-1410.27µg/m3，CO 浓度范围为 332.4-655.0ppm。这些参数的平均浓度表明，达盖特的 PM 浓度最高（53.77µg/m3），PM10 的平均浓度最高（140.13µg/m3）。其他参数如 PM10、PM2.5、TSP 和 CO 的平均浓度均在哲杭格克最高（240.23µg/m3、633.40µg/m3、853.50µg/m3 和 533.20ppm）。污染负荷最大的是冬季，其次是秋季、夏季和春季。除 CO 外，所有污染物的最低浓度均出现在 2020 年 4 月，这可能是由于同期该国实施的 COVID-19 封锁措施。

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