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Home City News Salinity level in shallow aquifers dropped during lockdown: Study | Chandigarh News...

Salinity level in shallow aquifers dropped during lockdown: Study | Chandigarh News – Times of India

A slight discount in 6% of samples with TDS values exceeding 1,000mg/l after lockdown as in comparison with the interval earlier than the lockdown was famous(Representative picture)

CHANDIGARH: Salinity level in shallow aquifers of industrial districts in Punjab dropped during the lockdown imposed to regulate the unfold of Covid-19, in response to a joint research accomplished by the National Institute of Hydrology, Roorkee; Punjab State Farmers’ Commission and division of soil and water conservation, Punjab.
High salinity ranges can have damaging results on agriculture by decreasing productiveness and inflicting environmental degradation. To study the influence of lockdown on groundwater salinity in Punjab, the research was accomplished in three industrial dominant districts of Ludhiana, Jalandhar, and Moga, comprising an space of about 8,559 sq. kilometres. For this, 48 groundwater samples, 13 from shallow aquifers of lower than 50m depth and 35 from aquifers having a depth vary of 50m to 200m had been collected from borewells, hand pump and open wells.
The values for complete dissolved solids (TDS) noticed during the monsoon season (August 2020) and submit-monsoon (November–December 2019) had been in contrast with the values taken in June 2020 (pre-monsoon). A complete of 60% samples had been discovered to have TDS values above the appropriate restrict of 500 mg/l earlier than lockdown submit-monsoon season of 2019. During the lockdown interval (June 2020), the quantity of samples with greater than the appropriate restrict diminished to 45%.
An evaluation of samples revealed that the typical TDS values dropped by 25% in shallow aquifers after lockdown, whereas the world beneath TDS values in acceptable restrict elevated by 23% as in comparison with these discovered in the monsoon season of 2019. In deeper aquifers, a rise of solely 3% space beneath TDS values in acceptable restrict was discovered.
A slight discount in 6% of samples with TDS values exceeding 1,000mg/l after lockdown as in comparison with the interval earlier than the lockdown was famous.

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