# RETRACTED: Trace element pollution tracking in the complex multi-aquifer groundwater system of Al-Hassa oasis (Saudi Arabia) using spatial, chemometric and index-based techniques

*PRI Rank #8 · Topics and Trends in Most Cited Water Quality and Pollution Assessment Papers, Class of 2026*

*Canonical URL: https://pri.pepkio.com/top-papers/water-quality-and-pollution-assessment/2026/rank-8*

| Field | Value |
| --- | --- |
| Rank | #8 |
| 18m citations | 69 |
| Journal | Environmental Research |
| Year | 2024 |
| DOI | 10.1016/j.envres.2024.118320 |
| Corresponding authors | Sani I. Abba |
| Institution | King Fahd University of Petroleum and Minerals, Saudi Arabia |

**Ranking page:** [Topics and Trends in Most Cited Water Quality and Pollution Assessment Papers, Class of 2026](https://pri.pepkio.com/top-papers/water-quality-and-pollution-assessment/2026)

**Paper link:** [10.1016/j.envres.2024.118320](https://doi.org/10.1016/j.envres.2024.118320)

## Topics

Trace metals · Aquifers · Al-Hassa region · Spatial analysis · Multivariate statistical analysis · Index-based techniques · Source apportionment · Groundwater contamination · Saudi Arabia groundwater

## Cite this ranking

```
Pepkio Research Index (PRI). Topics and Trends in Most Cited Water Quality and Pollution Assessment Papers, Class of 2026. https://pri.pepkio.com/top-papers/water-quality-and-pollution-assessment/2026. Accessed 2026-10-30.

Zheng Su, Tinsley Li, Thematic Shifts in Early-High-Impact Cancer Genomics and Diagnostics Research: A Bibliometric and Semantic Analysis. bioRxiv 2026.07.04.736459; doi: https://doi.org/10.64898/2026.07.04.736459
```