IIT-Madras researchers found that aerosol loading above fog in the Indo-Gangetic Plain thickens fog layers and increases their persistence
GS3Economy · S&T · Environment · Security· IT, AI, semiconductors & computing· Prelims + Mains·
Why in news
IIT-Madras researchers found that aerosol loading above fog in the Indo-Gangetic Plain thickens fog layers and increases their persistence, creating a self-strengthening pollution cycle.
Background
The study analyzed 15 years of satellite data and utilized a weather model to simulate a major fog event. It identified a cycle where increased pollution fuels fog formation, which in turn traps pollutants.
Facts for Prelims
- FactIIT-Madras researchers analyzed 15 years of satellite data for the study.
- PlaceThe study focused on the Indo-Gangetic Plain region.
- S&TAerosol loading was identified as the primary factor thickening fog layers.
For Mains
Q. Discuss how the interaction between atmospheric aerosols and meteorological phenomena like fog contributes to the deteriorating air quality in the Indo-Gangetic Plain.
Dimensions to cover in your answer
- Feedback loop: Aerosol-fog interaction creating self-strengthening cycles of pollutant entrapment
- Regional disparity: Concentration of industrial and agricultural emissions in the Indo-Gangetic Plain
- Meteorological impact: Alteration of local weather patterns due to high particulate matter loading
Keywords: Aerosol loading · Indo-Gangetic Plain · Atmospheric pollution · Self-strengthening cycle · Satellite data analysis
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