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July 5, 2026The Science of The Total EnvironmentOpen Access

An advanced hydrological approach for the characterization of the Water Scarcity Footprint at the sub-basin level

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Authors

NRNiccolò RenziBRBenedetto RuganiDPDaniele Penna

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Overview

Randomized trial improves water scarcity footprint modeling in sub-basins, suggesting enhanced reliability for local assessments.

Key Points

  • This research aims to improve the accuracy of water scarcity footprint assessments using sub-basin level hydrological data.
  • Calculating sub-regional characterization factors at hyper-resolution (1 km) for Tuscany.
  • Retrieving hydrological information from the Italian national water balance model.
  • Analyzing water consumption time series from 2012 to 2021 at the municipality level.
  • Recalculated characterization factor for Tuscany is 41.8 m³ world equiv. m⁻³, approximately 26% higher than the original AWARE CF.
  • Water scarcity footprint for tomato, apple, and corn increased between 50% and 100% based on new CFs.
  • Proposed method enhances reliability of water scarcity assessments and can be applied globally.

Cite This Study

Renzi et al. (2026) studied this question.

synapsesocial.com/papers/6a49f648f5d1d45b28800cd2https://doi.org/10.1016/j.scitotenv.2026.182012
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