What question did this study set out to answer?

The aim is to evaluate groundwater quality for irrigation and assess related salinity risks in the Nile Delta region.

March 13, 2026Scientific ReportsOpen Access

Hydrochemical and GIS-based evaluation of groundwater suitability for irrigation using IWQI in the desert hinterland of western Nile Delta Egypt

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This evaluation assesses irrigation water quality in a desert region, indicating significant salinity risks for agriculture.

The aim is to evaluate groundwater quality for irrigation and assess related salinity risks in the Nile Delta region.
Analyzed 41 groundwater samples for major cations and anions
Calculated irrigation water quality indices including IWQI
Constructed spatial distribution maps to visualize salinity risks
Applied principal component analysis to identify dominant factors
7.32% of samples have moderate restrictions for irrigation
34.15% have high restrictions, and 58.54% have severe restrictions
High levels of Na⁺ and Cl⁻ suggest sodicity and salinity challenges
Principal Component Analysis showed salinity variables account for nearly 70% of variance
Localized risks are linked to soil texture and irrigation practices

Youssef et al. (2026) studied this question.

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