Climatology, trend of aerosol-cloud parameters and their correlation over the Northern Indian Ocean

Kumar, Harshbardhan; Tiwari, S.

doi:10.1016/j.gsf.2023.101563

Cited by 5 publications

(2 citation statements)

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“…When determining the lifetime of liquid droplets in an aerosol cloud, it is necessary to take into account the drop rate under the influence of gravity, as well as drops movement associated with air convection [16]. It is important to take into account the statistics of the distribution of aerosol cloud droplets by size [17,18].…”

Section: Introductionmentioning

confidence: 99%

Cough Aerosol Cloud Parameters

Gavrilin,

Parfentyeva,

Parfentyev

et al. 2023

E3S Web Conf.

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This work is a further development of the authors' COVID-19 pandemic consequences research. The dynamics of the cough aerosol cloud was studied. An experimental setup for fixing spatial and temporal distributions of aerosol cloud velocities was used. Flags were placed on the threads of the experimental setup. On the first and second frames, the area and shape of the flags were different. The process of air passing through the frames was recorded by photographic equipment. The footage was compared by a computer program to identify differences.The results of an experiment with five adults (18–22 years, men), volunteered for study participation, are presented. The method of aerosol cloud visualization is applied. The dynamic parameters of the aerosol cloud are estimated. The velocity of the air flow arising from coughing was measured. The shape of the flow was determined depending on the time. It was found that the flow front moves with acceleration at the initial stage of propagation and with a constant velocity at the final stage. A nonlinear dependence of the change in the volume of cough air flow aerosol on time was established.

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Section: Introductionmentioning

confidence: 99%

Cough Aerosol Cloud Parameters

Gavrilin,

Parfentyeva,

Parfentyev

et al. 2023

E3S Web Conf.

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“…In the plains (Punjab, Haryana, Rajasthan, and Uttar Pradesh), the region receives substantial rainfall, while the Himalayas (J.K., H.P., and Uttarakhand) experience snowfall. The northern portion of India's annual mean temperatures has shown a modest but discernible warming trend, largely influenced by the postmonsoon and winter seasons (Kumar et al, 2023;Rani, 2023).…”

Section: Introductionmentioning

confidence: 99%

Implications of climate change on surface temperature in North Indian states: evidence from CMIP6 model ensembles

Awasthi,

Pattnayak,

Tandon

et al. 2023

Front. Environ. Sci.

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Introduction: The significant impact of climate change on temperature is an important topic of discussion as it rises globally. Hence, the present study is designed to investigate the profound influence of climate change on temperature by considering the North Indian States.Methods: In this comprehensive case study, CMIP6 models are used to investigate temperature behaviour in the states of North India under 1.5°C and 2°C warming scenarios. Comparisons are made between observed surface temperature data from the Climatic Research Unit (CRU) and ensemble mean simulations from CMIP6.Results and Discussion: Results indicate that CMIP6 ensemble mean simulations effectively depict observed climatological patterns of surface temperature with negligible discrepancies. Under both the 1.5°C and 2°C warming scenarios, extreme temperatures show an increase compared to the preindustrial and present periods, suggesting an elevated risk of future severe heat events. Temperature changes relative to the preindustrial period are around 1.5°C, 3°C, and 4.5°C for the present, 1.5°C, and 2°C scenarios, respectively. Return period analysis shows a significant temperature rise of approximately 4.5° over a return time of 60 years. These findings highlight the importance of climate models, valuable for impact studies, and emphasize the need to accurately enhance future model iterations’ precision in simulating regional climates. Urgent climate change mitigation strategies are vital to curb temperature rise and mitigate potential adverse impacts on the region.Conclusion: The study provides critical insights into North India’s climate behavior, underscoring the significance of proactive measures to effectively address climate change challenges within the region.

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