Evidence map›Paper›PMID 33398395›Full record

ArticleArchives of environmental contamination and toxicology2021

Groundwater Pollution and Human Health Risks in an Industrialized Region of Southern India: Impacts of the COVID-19 Lockdown and the Monsoon Seasonal Cycles.

D Karunanidhi, P Aravinthasamy, M Deepali, T Subramani, K Shankar

Abstract read
In one paragraph

Article in Archives of environmental contamination and toxicology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.

0numbers the graph read from it
0cells of the map it votes in
13citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

13 citing papers in PubMed.

  1. Article
  2. Article
  3. Article
  4. Article
  5. Article
  6. Article
  7. Article
  8. COVID-19 and Water Variables: Review and Scientometric Analysis.International journal of environmental research and public health · 2023
    Review
  9. Article
  10. Review
  11. Article
  12. Article
  13. Sources and Consequences of Groundwater Contamination.Archives of environmental contamination and toxicology · 2021
    Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors.

D KarunanidhiDepartment of Civil Engineering, Sri Shakthi Institute of Engineering and Technology (Autonomous), Coimbatore, 641062, India. karunasamygis@gmail.com.ORCID http://orcid.org/0000-0002-4722-9043
P AravinthasamyDepartment of Civil Engineering, Sri Shakthi Institute of Engineering and Technology (Autonomous), Coimbatore, 641062, India.
M DeepaliDepartment of Applied Chemistry, Priyadarshini Institute of Engineering and Technology, Nagpur, 440019, India.
T SubramaniDepartment of Geology, CEG, Anna University, Chennai, 600025, India.
K ShankarDepartment of Applied Geology, School of Applied Natural Science, Adama Science and Technology University, P.O. Box 1888, Adama, Ethiopia.

Funding

Science and Engineering Research Board ECR/2017/000132 dated 18.07.2017
6 · The paper itself

Abstract

Samples of groundwater were collected during a post-monsoon period (January) and a pre-monsoon period (May) in 2020 from 30 locations in the rapidly developing industrial and residential area of the Coimbatore region in southern India. These sampling periods coincided with times before and during the lockdown in industrial activity and reduced agricultural activity that occurred in the region due to the COVID-19 pandemic. This provided a unique opportunity to evaluate the effects of reduced anthropogenic activity on groundwater quality. Approximately 17% of the wells affected by high fluoride concentrations in the post-monsoon period returned to levels suitable for human consumption in samples collected in the pre-monsoon period. This was probably due to ion exchange processes, infiltration of rainwater during the seasonal monsoon that diluted concentrations of ions including geogenic fluoride, as well as a reduction in anthropogenic inputs during the lockdown. The total hazard index for fluoride in the post-monsoon samples calculated for children, adult women, and adult men indicated that 73%, 60%, and 50% of the groundwater samples, respectively, had fluoride levels higher than the permissible limit. In this study, nitrate pollution declined by 33.4% by the pre-monsoon period relative to the post-monsoon period. The chemical facies of groundwater reverted from the Na-HCO

Indexed as

COVID-19QuarantineSeasonsAdultAge FactorsAgricultureChildCommunicable Disease ControlEnvironmental MonitoringFemaleFluoridesGroundwaterHumansIndiaIndustryMaleFluoridesNitratesWater Pollutants, Chemical

Identifiers

PMID33398395
PMCPMC7781191

What OpenQuestion holds

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.