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Related Experiment Video

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Construction of a Low-cost Mobile Incubator for Field and Laboratory Use

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The Association Between Rainfall, Temperature, and Reported Drinking Water Source: A Multi-Country Analysis.

Andrea G Buchwald¹, Evan Thomas², Kristopher B Karnauskas^1,3

¹Department of Environmental and Occupational Health Colorado School of Public Health Aurora CO USA.

|November 16, 2022

Summary

Climate change impacts safe water access. Higher temperatures reduce basic drinking water (BDW) use, while increased rainfall boosts it, especially affecting vulnerable populations.

Keywords:

WASH climate resilience drinking water safe water water infrastructure weather

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Area of Science:

Environmental health
Climate science
Public health

Background:

Climate change poses risks to safe drinking water access, with significant health implications.
Understanding weather's influence on water source utilization is crucial for public health in vulnerable regions.

Purpose of the Study:

To assess the relationship between temperature, rainfall, and basic drinking water (BDW) utilization in The Gambia, Mozambique, Pakistan, and Kenya.
To identify key weather variables affecting BDW access and explore potential interactions with socioeconomic factors.

Main Methods:

Utilized random forests and logistic regression to analyze weather data (temperature, precipitation) and BDW use.
Compiled weather data from stations and satellites, accounting for long-term patterns, short-term variations, and lags.
Defined BDW based on World Health Organization criteria and assessed consistent availability.

Main Results:

Higher temperatures correlated with decreased BDW use at three of four sites and reduced consistent BDW availability at all sites.
Increased long- and short-term rainfall was associated with increased BDW use in three sites.
Interactions between household wealth and weather variables were observed, indicating heightened sensitivity in lower-wealth populations.

Conclusions:

Temperature and precipitation changes significantly affect safe water access in low-resource settings.
Weather-driven alterations in water access disproportionately impact vulnerable populations.
Investigating these relationships is vital for developing climate resilience strategies for water security.