Deteriorating air and water quality of Punjab region during 2017 to 2021, using ground and satellite data

AGU Fall Meeting Abstracts

Dericks Praise Shukla., & Harsimranjit Kaur Romana.

2022-12-01

Punjab, the agrarian state, located in northern part of India, is subdivided in three regions: Malwa, Majha and Doaba. It is the major producer of wheat, rice, sugarcane, cotton, maize and pulses. Excessive pumping of groundwater for irrigation and crop residue burning every year greatly affect the air and water quality of the region. The poor air and water quality poses serious threat to human health. Malwa region of Punjab has emerged as cancer capital of the state. We have analyzed air and water quality of Punjab using satellite and ground data (Central Groundwater Board (CGWB)) for the periods 2017-2021 to observe recent change in pollution levels. The aerosol optical depth (AOD) varies from 0.04 to 3.5 and angstrom exponent (AE) varies from 0.0 to 1.80 during 2017-2021. Higher values of AE attribute to smoke due to anthropogenic activities, and are observed in pre-monsoon (Feb-April) and post-monsoon (Sept-Nov) periods. Similarly, Methane (CH4) is increased from 1944.60ppbv in 2017 to 1953.91ppbv in 2021, Nitrogen dioxide (NO2) is increased from 9.27×1015 molecules/cm2 in 2017 to 9.56×1015 molecules/cm2 in 2021, and Carbon monoxide (CO) is increased from 194.06ppbv in 2017 to 209.78ppbv in 2021.