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September 10, 2025Journal of Water Management ModelingOpen Access

Evaluation of the Impact of Rainfall Increases on Runoff in Urban Watersheds

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Authors

ÉBÉmilie BilodeauJMJean‐Luc MartelRARichard Arsenault

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Overview

This evaluation reveals greater runoff variations in urban watersheds, suggesting significant implications for drainage systems under climate change.

Key Points

  • Using an 18% increase in simulated rainfall resulted in a median variation of 24.7% in peak flow.
  • Sensitivity analysis highlighted impermeability as crucial, influencing runoff more than other watershed characteristics.
  • Findings indicate complex relationships between rainfall increases and urban runoff volumes across different watershed types.
  • Mitigating climate impacts requires reducing impermeability and integrating blue-green infrastructures in urban areas.

Cite This Study

Bilodeau et al. (2025) studied this question.

synapsesocial.com/papers/68c1b60654b1d3bfb60eaf58https://doi.org/10.14796/jwmm.c559
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