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38 articles for “Aerosol”
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Understanding the Dynamics of Biogenic and Anthropogenic Aerosols in the Atmosphere
Abstract: This study explores the complex interactions between marine aerosols, biogenic organic matter, and anthropogenic pollutants, highlighting their implications for climate and air quality. It is established that submicron-sized marine aerosols, primarily of biogenic origin, play a crucial role in cloud condensation nuclei (CCN) concentration, particularly during periods of high biological oceanic activity (HBA). The chemical composition of marine aerosols is significantly influenced by the ocean's annual biological cycle, with seasonal …
Published in International Journal of Atmosphere · Vol. 1, Issue 1, 2024 · pp. 15–22 Read article
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Analysis of Color and Particulate Depolarization Ratio Profiles for Aerosols using CALIPSO Level 2 Data
Abstract: Aerosols have an important impact on Earth’s climate system by absorbing, scattering and modifying cloud properties. There are many sources of aerosols; both natural and resulting from human activities with widely varying distribution both in space and time. In addition to aerosol columnar spatio-temporal variation, the vertical profile temporal studies provide valuable inputs to various climatic models and radiative transfer studies. This study focuses on the analysis of color ratio …
Published in Journal of Remote Sensing & GIS · Vol. 6, Issue 2, 2015 · pp. 1–5 Read article
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Aerosol Loadings in Association with Vegetative Properties: A Case Study Over North Indian Region
Abstract: Aerosols play an important role in the atmospheric absorption and scattering of light, thereby leading to both warming and cooling of atmosphere. In the Indian subcontinent, the concentration of the aerosols is increasing due to anthropogenic activities which in turn could affect the vegetative properties in the region. The paper presents the study of aerosol optical depth (AOD) in association with vegetative properties using Level 3 data from Multi-angle Imaging …
Published in Journal of Remote Sensing & GIS · Vol. 6, Issue 3, 2015 · pp. 1–5 Read article
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Aerosol to Suggest Climate Delineation
Abstract: Marine aerosol of submicron sized biogenic originated organic fraction is subtending persistently constitutively compared to drastic variation based on volcanic eruptions. Sulphur is studied to form acid aerosol where the basic constituent in the stratosphere is reduced comparatively. High concentrations of organic fraction have been found from aerosol in marine boundary layer (MBL). Marine aerosol chemical composition has been influenced by the yearly biological cycle of the ocean, and so …
Published in Journal of Energy, Environment & Carbon Credits · Vol. 11, Issue 2, 2021 · pp. 51–58 Read article
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Aerosol Optical Depth Variation Over Asian Region During The Last Fourteen Years
Abstract: AbstractAOD in Asia has escalated in the past two decades due to increasing anthropogenic activities in that region. The densely populated regions of South Asia are undergoing rapid industrialization resulting in enhanced emissions in the atmosphere, thereby making Asia one of the major hotspots of aerosols. In this study, Asian region is divided into four sub-regions i.e. North Asia, East Asia, South Asia, and West Asia. This paper presents the …
Published in Research & Reviews : Journal of Ecology · Vol. 4, Issue 2, 2015 · pp. 12–17 Read article
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Effect of Atmospheric Aerosol on Lightning Activity Over North East India
Abstract: The observations of the lightning activity variation from 1998 to 2011 due to atmospheric aerosol effect over the North East India have been reported here. It has been observed that the lightning activity increases very rapidly in this region with a rate of 867 lightning flashes per year. Lightning activity over this region mainly occurs in two periods—March to June and August to October every year. As the higher lightning …
Published in Research & Reviews : Journal of Space Science & Technology · Vol. 3, Issue 2, 2014 · pp. 1–7 Read article
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Integrating Atmospheric Science: Understanding Greenhouse Gases, Aerosols, and Air Quality Dynamics
Abstract: Atmospheric science investigates the Earth’s atmospheric systems to understand their composition, dynamics, and the implications for climate, weather, and air quality. This review explores five primary areas within the field: atmospheric composition, atmospheric modeling, remote sensing, air pollution, and boundary layer dynamics, highlighting critical challenges and advancements. Rising levels of greenhouse gases (GHGs), including carbon dioxide and methane, continue to drive global warming, while feedback mechanisms—like cloud interactions and surface …
Published in International Journal of Atmosphere · Vol. 1, Issue 1, 2024 · pp. 32–35 Read article
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Atmospheric Modeling: A Comprehensive Review of Numerical Approaches and Applications
Abstract: Atmospheric modeling plays a crucial role in understanding and predicting atmospheric processes, weather patterns, and climate variability. This review synthesizes current methodologies and applications across several types of atmospheric models, including numerical weather prediction (NWP), climate models, air quality models, and chemical transport models. We explore the intricacies of data assimilation, model evaluation, parameterization, and the importance of high-performance computing in advancing model accuracy and efficiency. Special emphasis is placed …
Published in International Journal of Atmosphere · Vol. 1, Issue 2, 2024 · pp. 16–21 Read article
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Recent Advances in Atmospheric Physics and Chemistry: Composition, Dynamics, and Impacts
Abstract: The Earth's atmosphere is vital for sustaining life and regulating climate. This review explores key aspects of atmospheric physics and chemistry, including atmospheric composition, the dynamics of greenhouse gases, ozone depletion, and the effects of aerosols and atmospheric pollutants. The interaction between anthropogenic emissions and natural processes, such as the carbon and nitrogen cycles, is crucial for understanding climate feedback mechanisms. The impact of photochemistry on air quality and the …
Published in International Journal of Atmosphere · Vol. 1, Issue 2, 2024 · pp. 5–9 Read article
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Innovations in Atmospheric Remote Sensing: From Satellites to Lidar and Beyond
Abstract: Atmospheric remote sensing plays a vital role in monitoring and understanding the Earth's atmosphere, providing essential data for climate studies, weather forecasting, and environmental management. This review discusses various remote sensing technologies, including satellites, radiometers, lidar, radar, and GPS radio occultation, each contributing unique capabilities for atmospheric observations. Satellite remote sensing allows for global coverage and continuous monitoring of atmospheric parameters, while ground-based systems enhance localized measurements. Key applications include …
Published in International Journal of Atmosphere · Vol. 1, Issue 2, 2024 · pp. 10–15 Read article
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Understanding Airborne Pathogens: Pathways, Risks, and Control Strategies
Abstract: Airborne transmission is the transfer of germs through the air, mostly by respiratory droplets and aerosols that come out when you cough, sneeze, talk, or breathe. These particles can stay in the air for a long time and move a long way, especially in small or poorly ventilated places. Mycobacterium tuberculosis, measles virus, varicella-zoster virus (chickenpox), influenza virus, and more recently, SARS-CoV-2 are all infections that can be spread through …
Published in International Journal of Pathogens · Vol. 2, Issue 2, 2025 Read article
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A study on Bridging Chemical Transformation and Climate Feedbacks in the Earth System
Abstract: The atmosphere operates as a vast and complex chemical reactor, where minute-scale transformations exert profound influence on planetary-scale climate stability. This research investigates the multi-scale coupling between reactive tropospheric chemistry and large-scale climate feedbacks, challenging traditional modeling approaches that often divorce chemical kinetics from dynamic processes. By integrating high-resolution chemical transport models (CTMs) with comprehensive Earth System Models (ESMs), we map the flow of energy and matter from the molecular …
Published in International Journal of Climate Conditions · Vol. 2, Issue 2, 2025 · pp. 1–8 Read article
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AOD Retrieval Over Different LULC Features Using AWiFS Data—A Case Study Over Dehradun
Abstract: In this study, an attempt is made to estimate the Aerosol Optical Depth (AOD) using a physically based radiative transfer model i.e. SMART (Simple Model for Atmospheric Radiative Transfer) over different LULC features. The forward procedure requires the data from Band B2: 0.52-0.59 μm of Resourcesat-2 Advanced Wide Field Sensor (AWiFS). While some of the atmospheric parameters, through transmittance, spherical albedo have been parameterized, few of them are utilized from …
Published in Journal of Remote Sensing & GIS · Vol. 8, Issue 2, 2017 · pp. 54–57 Read article
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Managing Blow-by in Modern Engines: A Comprehensive Review of Crankcase Ventilation Technologies
Abstract: Blow-by in internal combustion (IC) engines occurs when high-pressure combustion gases escape past the piston rings into the crankcase. These gases typically carry oil aerosols, unburned hydrocarbons, and fine particulate matter, which, if not effectively managed, can disrupt lubrication, accelerate component wear, and contribute to harmful emissions. Effective crankcase ventilation is therefore essential not only for ensuring engine durability but also for meeting increasingly stringent emission regulations. This paper examines …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 317–324 Read article
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Orthodontics during the COVID-19 Times: Fight or Flight-A Literature Review
Abstract: The corona virus (SARS-CoV-2) a Nano-sized entity has led to a halt in our existence, confining and isolating the mankind. In spite of the regional and national lockdown being prevailed in most of the countries there still is a surge and swell in the number of cases and the graph is being increased continuously. New normality can be covered under three phases, starting with the preparatory phase which covers the …
Published in Research and Reviews: A Journal of Dentistry · Vol. 12, Issue 2, 2021 · pp. 1–9 Read article
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Effects of Gypsophila on Airway Inflammation in Guinea pig model of ovalbumin‐induced Asthma
Abstract: To look at how Gypsophlia (GSP) affects airway inflammation in a model of ovalbumin-induced asthma in guinea pigs (OVA).Methods: Using a random number table, sixty healthy female guinea pigs were split into six groups, each consisting of ten rats: the normal control, OVA, and GSP (0.45, 0.9, 1.8, and 3.6 g/kg). The ovalbumin and lipopolysaccharide sensitization approach was used to create the OVA guinea pig model. The GSP groups received …
Published in Research and Reviews: A Journal of Pharmacology · Vol. 14, Issue 1, 2024 · pp. 17–23 Read article
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Integrated, Geospatial Risk Assessment of Air, Water, and Soil Pollution Impacts on Agricultural Sustainability using Advanced Digital Technologies
Abstract: The systemic threat posed by the convergence of air, water, and soil contaminants represents a critical challenge to global agricultural resilience and food security. Traditional, site-specific pollutant monitoring methods are insufficient for capturing the dynamic, diffuse, and often nonlinear nature of environmental risk pathways that permeate agrarian landscapes. This study presents a robust framework for comprehensive risk assessment utilizing a synergistic suite of modern tools designed for spatial, temporal, and …
Published in International Journal of Environmental Noise and Pollution Control · Vol. 3, Issue 2, 2025 · pp. 28–37 Read article
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Atmospheric Determinants of Feed, Fodder, and Forage Contamination in a Changing Climate: Emerging Challenges for Sustainable Livestock Production
Abstract: Feed, fodder, and forage contamination represents a growing constraint to sustainable livestock production under a changing climate. Atmospheric determinants such as rising temperature, altered precipitation patterns, increased humidity, elevated carbon dioxide concentration, and enhanced aerosol and pollutant loads are increasingly recognized as critical drivers of contamination risks across feed supply chains. These atmospheric factors directly and indirectly influence crop growth, fungal proliferation, mycotoxin biosynthesis, microbial survival, and the deposition of …
Published in International Journal of Atmosphere · Vol. 3, Issue 1, 2026 · pp. 1–14 Read article
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Remote Sensing and Atmospheric Modelling: Data, Processes, Integration and Future Directions
Abstract: Atmospheric modelling plays a central role in weather forecasting, climate projection, and air quality assessment; however, the availability, accuracy, and representativeness of atmospheric observations fundamentally constrain its reliability. Over the past two decades, rapid advances in remote sensing (RS) have transformed atmospheric observation by providing spatially continuous, multiscale measurements of key atmospheric variables, including aerosols, trace gases, clouds, precipitation, and atmospheric thermodynamic profiles. This review synthesises recent progress in integrating …
Published in International Journal of Atmosphere · Vol. 3, Issue 1, 2026 · pp. 54–67 Read article
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Smart swab testing robotic arm
Abstract: Coronavirus disease (COVID-19), influenza, respiratory syncytial virus, Bordetella pertussis infection (whooping cough), Staphylococcus aureus infections of the nose and mouth, and various allergies are all possibilities. It is spread by respiratory droplets and close contact and is caused by an infection of extreme acute respiratory syndrome. To Coronavirus disease (COVID-19), influenza, respiratory syncytial virus, Bordetella pertussis infection (whooping cough), Staphylococcus aureus infections of the nose and mouth, and various allergies …
Published in Journal of Microcontroller Engineering and Applications · Vol. 8, Issue 2, 2021 · pp. 48–50 Read article