Related Experiment Video
Updated: Sep 17, 2025
10:22
Split Point Analysis and Uncertainty Quantification of Thermal-Optical Organic/Elemental Carbon Measurements
Published on: September 7, 2019
8.4K
Black carbon characterization and its association with meteorological phenomena using network data
Vivek Kumar1, Panuganti C S Devara2, Vijay K Soni1
1Environmental Monitoring and Research Centre (EMRC), India Meteorological Department (IMD), Ministry of Earth Sciences (MoES), New Delhi, India.
Environmental Monitoring and Assessment
|July 3, 2025
Summary
Black Carbon (BC) aerosols significantly impact Indian weather, influencing monsoon cycles, fog, and heatwaves. Understanding BC
Area of Science:
- Atmospheric Science
- Environmental Science
- Climate Science
Background:
- Limited observational data exists on Black Carbon (BC) aerosols in India and their effects on weather.
- BC aerosols are a significant air pollutant with potential impacts on regional climate and weather phenomena.
Purpose of the Study:
- To investigate the relationship between Black Carbon (BC) aerosols and meteorological phenomena in India.
- To fill the gap in observational data regarding BC aerosol interactions with weather patterns like monsoon breaks, winter fog, and heatwaves.
Main Methods:
- Collected and analyzed observational data on BC aerosols from rural and urban stations in India.
- Examined seasonal and diurnal variations in BC concentrations.
- Correlated BC levels with meteorological factors such as temperature, humidity, rainfall, and wind speed.
Main Results:
- BC concentrations exhibit distinct bimodal diurnal patterns, peaking in the evening and morning.
- Seasonal variations show lowest BC during monsoon (due to wet scavenging) and highest post-monsoon (agricultural burning).
- Meteorological factors significantly influence BC dynamics: higher temperatures and lower humidity increase BC, while rainfall and wind reduce/disperse it.
Conclusions:
- BC aerosols interact complexly with weather phenomena, including monsoon cycles, fog, and heatwaves.
- Local meteorological conditions like temperature inversions and wind patterns modulate BC's weather impact.
- Integrating meteorological factors into air quality management is crucial for mitigating BC's adverse effects on health and the environment in India.
More Related Videos
Related Concept Videos
01:50Global Climate Change
24.8K
Throughout its ~4.5 billion year history, the Earth has experienced periods of warming and cooling. However, the current drastic increase in global temperatures is well outside of the Earth’s cyclic norms, and evidence for human-caused global climate change is compelling. Paleoclimatology, the study of ancient climate conditions, provides ample evidence for human-caused global climate change by comparing recent conditions with those in the past.
24.8K
01:14The Carbon Cycle
40.0K
Carbon is the basis of all organic matter on Earth, and is recycled through the ecosystem in two primary processes: one in which carbon is exchanged among living organisms, and one in which carbon is cycled over long periods of time through fossilized organic remains, weathering of rocks, and volcanic activity. Human activities, including increased agricultural practices and the burning of fossil fuels, has greatly affected the balance of the natural carbon cycle.
40.0K
01:12Precipitation Processes
608
The experimental conditions in a gravimetric analysis should be optimized to maximize the particle size and purity of the obtained precipitate. Ideally, the concentration of the precipitating reagent should be low with effective stirring to maintain low relative supersaturation for the growth of large crystals. In homogeneous precipitation, the precipitant is slowly generated by a chemical reaction in the solution to avoid local reagent excesses. For example, urea decomposes gradually to...
608
01:17Precipitation and Co-precipitation
2.1K
Precipitation and coprecipitation methods can be used to separate a mixture of ions in a solution. In qualitative inorganic analysis, ions that form sparingly soluble precipitates with the same reagent are separated based on the differences in solubility products. For example, consider the separation of Cu(II) and Fe(II) ions by precipitation as insoluble sulfides. First, copper(II) sulfide is precipitated by the addition of acidic H2S, where the dissociation of H2S is suppressed. Adding H2S...
2.1K
01:11Regression Analysis
6.1K
Regression analysis is a statistical tool that describes a mathematical relationship between a dependent variable and one or more independent variables.
In regression analysis, a regression equation is determined based on the line of best fit– a line that best fits the data points plotted in a graph. This line is also called the regression line. The algebraic equation for the regression line is called the regression equation. It is represented as:
In regression analysis, a regression equation is determined based on the line of best fit– a line that best fits the data points plotted in a graph. This line is also called the regression line. The algebraic equation for the regression line is called the regression equation. It is represented as:
6.1K