Understanding seasonal variation in ambient air quality and its relationship with crop residue burning activities in an agrarian state of India

Mor, Sahil; Singh, Tanbir; Bishnoi, Narsi R.; Bhukal, Santosh; Ravindra, Khaiwal

doi:10.1007/s11356-021-15631-6

Cited by 30 publications

(12 citation statements)

References 34 publications

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“…61 While during the pre-monsoon season, the IGP region contains relatively lower air pollutants transporting lower pollutants than in winter and post-monsoon season. 61,62 The relation between seasonal variations of PM 2.5 mass and the air masses transport indicates that the Brahmaputra valley is significantly influenced by the regional aerosol transport from the IGP region in the post-monsoon and winter season. Besides, increased local anthropogenic emissions from biomass burning and coal combustion during post-monsoon and winter may also result in high carbonaceous matter concentrations.…”

Section: Back Trajectory Analysismentioning

confidence: 99%

“…The air pollutants in the IGP remain at their peak during the post-monsoon season because of increased agricultural biomass burning and unfavourable environmental conditions. 61 While during the pre-monsoon season, the IGP region contains relatively lower air pollutants transporting lower pollutants than in the winter and post-monsoon seasons. 61,62 The relation between seasonal variations of PM 2.5 mass and the air mass transport indicates that the Brahmaputra Valley is signicantly inuenced by the regional aerosol transport from the IGP region in the post-monsoon and winter seasons.…”

Section: Back Trajectory Analysismentioning

confidence: 99%

See 1 more Smart Citation

Year-long evaluation of aerosol chemistry and meteorological implications of PM2.5 in an urban area of the Brahmaputra Valley, India

Rabha

Islam

Saikia

et al. 2023

Environ. Sci.: Atmos.

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Section: Back Trajectory Analysismentioning

confidence: 99%

Section: Back Trajectory Analysismentioning

confidence: 99%

Year-long evaluation of aerosol chemistry and meteorological implications of PM2.5 in an urban area of the Brahmaputra Valley, India

Rabha

Islam

Saikia

et al. 2023

Environ. Sci.: Atmos.

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“…Rice residue burning begins each October in the Northwestern Indo-Gangetic Plains (IGP), significantly contributing to poor regional air quality conditions during the fall and winter months (Liu et al, 2018;Montes, Sapkota, & Singh, 2022;Mor, Singh, Bishnoi, Bhukal, & Ravindra, 2022). In the late fall period when regional air quality is at its nadir, rice residue burning contributes to as much as 42% of the fine particulate matter (PM2.5) -the most damaging air pollutant to public health (Bikkina et al, 2019).…”

Section: Introductionmentioning

confidence: 99%

Rice residue burning trajectories in Eastern India: Current realities, scenarios of change, and implications for air quality

Urban¹,

Hamilton²,

Rossiter³

et al. 2024

Preprint

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In 2019, the Government of India launched the National Clean Air Program (NCAP) to address the pervasive problem of poor air quality and the burdens it creates for public health, particularly in the 122 non-attainment cities that exceed national air quality standards. In much of Northern India, achieving and sustaining air quality improvements requires coordinated efforts to prevent agricultural burning of crop residues. Historically, rice residue burning has been most prevalent in Northwestern IGP (Indo-Gangetic Plain) but the practice is rapidly expanding into the populous Eastern IGP states, including Bihar, with uncertain consequences for regional air quality. This research has three objectives: (1) characterize historical rice residue burning trends since 2002 over space and time in Bihar State, (2) project future burning trajectories to 2050 under ‘business as usual’ and alternative scenarios of change, and (3) simulate air quality outcomes under each scenario to estimate public health burdens. Historical trends were modelled and extended to mid-century burning projections, which were coupled with the Community Earth System Model (CESM v2.1.0) to characterize air quality impacts under each scenario. These analyses suggest that contemporary Bihar State burning levels contribute a small daily average proportion (8.1%) of the fine particle pollution load (i.e. PM2.5, particles < = 2.5 μm) during the burning months, but up to as much as 62% on the worst of winter days in Bihar’s capital region. With a projected 142% ‘business as usual’ increase in burning prevalence anticipated for 2050, Bihar’s capital region may experience the equivalent of 30 PM2.5 additional exceedance days, according to the WHO standard, due to rice residue burning alone in the October to December period. If historical burning trends intensify and Bihar resembles the Northwest States of Punjab and Haryana by 2050, 46 days would exceed the WHO standard for PM2.5 in Bihar’s capital region.

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“…Farmers are compelled to simply burn the stubble on the field in order to prepare the farmland for the subsequent planting, which releases a significant amount of dangerous pollutants [5]. Lack of time between harvest and planting the following crop is another justification for burning the stubble [6]. This open burning poses a major environmental concern as well as a health risk to the public.…”

Section: Introductionmentioning

confidence: 99%

Effect of Microbial Consortium for Nutrient Dynamics and Biological Activity of Paddy Field under insitu Decomposition

Babu

Davamani

Kalaiselvi

et al. 2022

IJECC

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The production of rice and rice straw are directly proportional to each other and becomes a major problem in disposal of rice straw. Though there are many suitable methods in the reduction of rice straw few are bane to environment. Thus this study focuses only on the sustainable and ecofriendly manner of straw disposal. Insitu decomposition of rice stubbles using TNAU biomineralizer is the experimental study which was carried out in randomised block design with six Treatment and four replications. To determine the most effective methods of managing rice stubble, nutrient dynamics, and growth parameters of the rice crop, CO 53 variety of short duration was selected and laid down at Tamil Nadu Agricultural University, Coimbatore from 2021 to 2022. The six treatments includes T1: Stubble (Natural degradation), T2: Stubble+ balancing C:N ratio with urea, T3: Stubble applied with TNAU biomineralizer @ 2kg /ton of residue, T4: Stubbles applied with TNAU biomineralizer @ 2kg/ton of residue +balancing C:N ratio with urea, T5: Stubbles incorporated in soil using rotavator and applied with TNAU biomineralizer @ 2kg/ton of residue, T6: Stubbles incorporated in soil using rotavator and applied with TNAU biomineralizer @ 2kg/ton of residue + balancing C:N ratio with urea. The study findings showed that incorporation of straw with addition of biomineralizer for decomposition of straw @ 2kg/ton of residue along with balancing C:N ratio urea recorded the highest rice crop growth at harvest stage (115.70cm) and nutrient dynamics (N, P K) of 20.9 %, 4.6 % and 19.2 % higher at tillering stage and micro nutrients Cu-22.0 %, Zn- 20.9 %, Fe- 2.8 %, Mn- 9.7 % in panicle initiation stage of rice crop.

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Understanding seasonal variation in ambient air quality and its relationship with crop residue burning activities in an agrarian state of India

Cited by 30 publications

References 34 publications

Year-long evaluation of aerosol chemistry and meteorological implications of PM2.5 in an urban area of the Brahmaputra Valley, India

Year-long evaluation of aerosol chemistry and meteorological implications of PM2.5 in an urban area of the Brahmaputra Valley, India

Rice residue burning trajectories in Eastern India: Current realities, scenarios of change, and implications for air quality

Effect of Microbial Consortium for Nutrient Dynamics and Biological Activity of Paddy Field under insitu Decomposition

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