Seasonal Variation of Potential Source Locations of Atmospheric Particulates over the Indo-Gangetic Plain of India - Open Journal of Air Pollution

OJAP > Vol.9 No.1, March 2020

Open Journal of Air Pollution

Volume 9, Issue 1 (March 2020)

ISSN Print: 2169-2653 ISSN Online: 2169-2661

Google-based Impact Factor: 1.67 Citations

Seasonal Variation of Potential Source Locations of Atmospheric Particulates over the Indo-Gangetic Plain of India ()

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DOI: 10.4236/ojap.2020.91001 849 Downloads 2,132 Views Citations

Author(s)

Mohammad Hafizur Rahman, V. P. Sharma, S. Kundu, A. Datta^*

Affiliation(s)

Center for Environmental Studies, Earth Sceinces & Climate Change Division, The Energy and Resources Institute, New Delhi, India.

ABSTRACT

Ambient particulate matter (PM_2.5 and PM₁₀) concentrations were measured during two different seasons (summer and winter) at three different locations of Gurugram which is located in the Indo-Gangetic plain of India. The ambient concentrations of both PM_2.5 and PM₁₀ were higher during winter season (PM_2.5: 261 μg·m^-3; PM₁₀: 440 μg·m^-3) when compared to summer period (PM_2.5: 114 μg·m^-3; PM₁₀: 202 μg·m^-3). Potential Source Contribution Function (PSCF) analysis suggests significant seasonal variation in potential contributing locations of ambient PM_2.5 over the study area. The PSCF analysis suggests that cross country transport of PM_2.5 from Pakistan and Afghanistan significantly attributed to higher concentrations of PM_2.5 at the study locations; whereas, PM_2.5 emitted from locations in the south-western direction of the study sites attributed to the ambient PM_2.5 concentrations at the study site during summer seasons. Further study is required to measure percentage contribution from different sectors and locations to the ambient particulate concentrations at the study site to develop sector specific mitigation plan.

KEYWORDS

Ambient Particulate Matter, Indo-Gangetic Plain Region, PSCF Analysis

Share and Cite:

Rahman, M. , Sharma, V. , Kundu, S. and Datta, A. (2020) Seasonal Variation of Potential Source Locations of Atmospheric Particulates over the Indo-Gangetic Plain of India. Open Journal of Air Pollution, 9, 1-10. doi: 10.4236/ojap.2020.91001.

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