Wintertime Meteorological Influence on Coarse and Fine Particulate Matter at Mesra, Ranchi – Jharkhand India DOI Open Access
Abisheg Dhandapani, Jawed Iqbal,

R Naresh Kumar

и другие.

IOP Conference Series Earth and Environmental Science, Год журнала: 2024, Номер 1326(1), С. 012131 - 012131

Опубликована: Июнь 1, 2024

Abstract The present study primarily focuses on comprehending the meteorological influence Particulate Matter (PM) of different sizes, PM 10 , 2.5 and 1.0 at a regional site carbonaceous aerosol emissions, source Apportionment, climate impacts (COALESCE) network in Mesra, Ranchi. mean concentration was 120.53 μg m −3 98.36 exceeding daily limit 100 60 prescribed by Central Pollution Control Board (CPCB). It is first report (44.66 ) for this region. Meteorological parameters such as dry relative humidity (Mean = 71.30%), lower temperatures 15.92°C), planet boundary layer during winter enhance particle phase partitioning. In addition, wind predominantly from Southwest (SW) direction, where brick kiln manufacturing located, carrying particles to site. 1 had strong correlation (r 2 0.92), suggesting that form coagulation mode (PM come mainly combustible sources coarse largely comes non-combustible might have possible chemical relationship. However, detailed apportionment can suggest potential causes elevated concentration.

Язык: Английский

Characterization of microplastics in outdoor and indoor air in Ranchi, Jharkhand, India: First insights from the region DOI
S. Nandi, R. Naresh Kumar, Abisheg Dhandapani

и другие.

Environmental Pollution, Год журнала: 2024, Номер 346, С. 123543 - 123543

Опубликована: Фев. 15, 2024

Язык: Английский

Процитировано

21
Application of machine learning (individual vs stacking) models on MERRA-2 data to predict surface PM2.5 concentrations over India DOI
Abisheg Dhandapani, Jawed Iqbal, R. Naresh Kumar

и другие.

Chemosphere, Год журнала: 2023, Номер 340, С. 139966 - 139966

Опубликована: Авг. 25, 2023

Язык: Английский

Процитировано

21
An Analysis of Primary Contributing Sources to the PM2.5 Composition in a Port City in Canada Influenced by Traffic, Marine, and Wildfire Emissions DOI Creative Commons
Seyed Hamid Delbari,

Maryam Zare Shahne,

Vahid Hosseini

и другие.

Atmospheric Environment, Год журнала: 2024, Номер 334, С. 120712 - 120712

Опубликована: Июль 24, 2024

Ambient air quality, specifically fine particulate matter (PM2.5) pollution, poses a global health concern due to its associations with adverse effects and persistent presence in urban settings. This study investigates PM2.5 exposure traffic-influenced residential area Vancouver, employing chemical speciation data sampled the vicinity of major road throughout 2018. Using receptor-oriented models, Positive Matrix Factorization (PMF), Principal Component Analysis (PCA), emission sources contributing total mass were identified. The Organic Elemental carbon concentration time series analysis reveals impacts from traffic episodic influences wildfires heating. Applying PMF, we attribute identified factors specific sources: (33%), secondary aerosols (27%), dust (14%), Marine Heavy Fuel Combustion (HFC) (12%), Local (9%), rare metallic elements (5%), respectively. apportioning is subsequently verified by PCA, which introduces sea salt factor analysis. conditional probability function on integrated wind speed direction, PM further confirms partial apportionment marine HFC, elements, local factors. Lastly, comparing results 2015 inventory Vancouver shows similarities share primary while overlooking emissions latter, emphasizing importance field sampling for accurate source characterization. highlights necessity receptor modeling coupled quantifying contribution characteristics sources, particularly near neighborhoods. Precise characterization aids studies that contribute informed quality management policy regulations.

Язык: Английский

Процитировано

5
Sources of atmospheric light-absorbing fine aerosols: Insights from optical source apportionment utilizing measurements made during COVID-19 lockdowns at a COALESCE network site - Bhopal, India DOI
Ankur Bhardwaj, Ramya Sunder Raman

Atmospheric Environment, Год журнала: 2024, Номер 321, С. 120343 - 120343

Опубликована: Янв. 10, 2024

Язык: Английский

Процитировано

3
Source apportionment of fine aerosol particles of water-soluble and carbonaceous species measured in semi-urban (Kharagpur) and megacity (Kolkata) atmospheres over the eastern indo-Gangetic plain: Chemical characterisation, relative abundance and anthropogenic contributions DOI

Kanishtha Dubey,

Shubha Verma

The Science of The Total Environment, Год журнала: 2024, Номер 932, С. 170795 - 170795

Опубликована: Фев. 10, 2024

Язык: Английский

Процитировано

3
Long-Term Trends in Water-Soluble Ions in Aerosols at Urumqi Glacier No. 1: Evidence of Increasing Dust and Alkalinity in Central Asia DOI Creative Commons
Lin Wang, Feiteng Wang, Xin Zhang

и другие.

Atmospheric Environment, Год журнала: 2025, Номер 357, С. 121314 - 121314

Опубликована: Май 25, 2025

Язык: Английский

Процитировано

0
Assessment of stable carbon isotope ratios and source characterization of aerosols in ambient PM2.5 from the Indian COALESCE network DOI Creative Commons
Debajyoti Paul, Gyanesh Kumar Singh, Tarun Gupta

и другие.

Scientific Reports, Год журнала: 2025, Номер 15(1)

Опубликована: Июнь 4, 2025

Язык: Английский

Процитировано

0
Water and Methanol Soluble Aerosol Brown Carbon over Bhopal, central India – Changes in Optical Properties and Radiative Effects during the COVID-19 Lockdowns DOI
Ankur Bhardwaj, Ramya Sunder Raman,

Sandeep Devaliya

и другие.

Atmospheric Environment, Год журнала: 2024, Номер 331, С. 120584 - 120584

Опубликована: Май 17, 2024

Язык: Английский

Процитировано

1
Spatio‐Temporal Trends of the Relationships Between Surface PM2.5 and Its Chemical Constituents Across Three COALESCE Network Locations in India: A Mass Closure Investigation DOI
Delwin Pullokaran, Ankur Bhardwaj,

Diksha Haswani

и другие.

Journal of Geophysical Research Atmospheres, Год журнала: 2024, Номер 129(8)

Опубликована: Апрель 24, 2024

Abstract COALESCE, a collaborative network studying the impacts of carbonaceous aerosols, measured PM 2.5 mass and its constituents at several regionally representative sites in India. This study reconciles reconstructed (RCM) from chemical with gravimetric during 2019 three COALESCE (Bhopal, Mesra, Mysuru). To evaluate extent closure, spatiotemporal variability organic matter/organic carbon (OM/OC), filter sampling artifacts OC, nitrate, aerosol liquid water (ALW) were assessed. The annual loss total particulate OC Teflon filters varied across Bhopal (0.46–1.35 μg m −3 ), Mesra (0.30–0.92 Mysuru (0.16–0.68 ). Likewise, range nitrate volatilization was 0.7–2.7 Bhopal, 0.5–2 1.3–2.2 Mysuru. Also, ALW 2.6–6.8 3.2–9.5 0.8–3.8 Seasonality observed value OM/OC an increase pre‐monsoon season all viz., (2.20), (1.61), (2.02) compared to their averages, suggesting enhanced contribution secondary organics OC. method developed for estimating RCM this resulted better closure using conventional algorithms. Overall, provides robust data validation strategy India‐specific species coefficients use algorithm. outcomes can guide regional sampling, analyses, model–measurement reconciliation efforts.

Язык: Английский

Процитировано

0
Wintertime Meteorological Influence on Coarse and Fine Particulate Matter at Mesra, Ranchi – Jharkhand India DOI Open Access
Abisheg Dhandapani, Jawed Iqbal,

R Naresh Kumar

и другие.

IOP Conference Series Earth and Environmental Science, Год журнала: 2024, Номер 1326(1), С. 012131 - 012131

Опубликована: Июнь 1, 2024

Abstract The present study primarily focuses on comprehending the meteorological influence Particulate Matter (PM) of different sizes, PM 10 , 2.5 and 1.0 at a regional site carbonaceous aerosol emissions, source Apportionment, climate impacts (COALESCE) network in Mesra, Ranchi. mean concentration was 120.53 μg m −3 98.36 exceeding daily limit 100 60 prescribed by Central Pollution Control Board (CPCB). It is first report (44.66 ) for this region. Meteorological parameters such as dry relative humidity (Mean = 71.30%), lower temperatures 15.92°C), planet boundary layer during winter enhance particle phase partitioning. In addition, wind predominantly from Southwest (SW) direction, where brick kiln manufacturing located, carrying particles to site. 1 had strong correlation (r 2 0.92), suggesting that form coagulation mode (PM come mainly combustible sources coarse largely comes non-combustible might have possible chemical relationship. However, detailed apportionment can suggest potential causes elevated concentration.

Язык: Английский

Процитировано

0