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August 17, 2025

Rainwater Composition of a Sub-tropical Urban Indian Town Under the Influence of Natural and Anthropogenic Factors

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Authors

RVRajesh Kumar VishwakarmaHJHimanshu JoshiAGAshantha Goonetilleke

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Overview

Observational analysis highlights pH and ionic concentration in rainwater, indicating a significant impact of anthropogenic activities.

Key Points

  • Rainwater in Roorkee exhibited mostly alkaline pH, and ionic concentration showed substantial variation due to natural and human influences.
  • The dominant ions included calcium and bicarbonate, with mean concentrations suggesting strong contributions from anthropogenic sources.
  • Principal Component Analysis revealed key factors influencing rainwater quality, while ANOVA assessed its temporal variability during monsoon.
  • Backward trajectory analysis indicated transport patterns of air pollutants affecting regional rainwater composition.

Cite This Study

Vishwakarma et al. (2025) studied this question.

synapsesocial.com/papers/68a36dd20a429f79733309aehttps://doi.org/10.21203/rs.3.rs-7174332/v1
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