Applying Factor Analysis Combined with Kriging and Information Entropy Theory for Mapping and Evaluating the Stability of Groundwater Quality Variation in Taiwan
2011

Mapping and Evaluating Groundwater Quality in Taiwan

Sample size: 414 publication 10 minutes Evidence: moderate

Author Information

Author(s): Shyu Guey-Shin, Cheng Bai-You, Chiang Chi-Ting, Yao Pei-Hsuan, Chang Tsun-Kuo

Primary Institution: National Taiwan University

Hypothesis

How do geological and human factors affect the stability of groundwater quality in Taiwan?

Conclusion

Groundwater quality in Taiwan varies significantly between northern and southern regions, with many wells in the south suffering from seawater intrusion and pollution.

Supporting Evidence

  • 52% of monitoring wells in southern Taiwan are affected by seawater intrusion.
  • 59.6% of wells are polluted by industrial and livestock waste.
  • Groundwater quality instability is more pronounced in densely populated areas.

Takeaway

This study looked at how different things like rocks and human activities change the quality of groundwater in Taiwan, finding that some areas are more polluted than others.

Methodology

The study used factor analysis, kriging, and information entropy theory to analyze groundwater samples collected from monitoring wells across Taiwan.

Potential Biases

Potential bias may arise from the selection of monitoring wells and the methods used for data collection and analysis.

Limitations

The study may not account for all potential sources of groundwater contamination and relies on data from specific monitoring wells.

Participant Demographics

Groundwater samples were collected from 414 monitoring wells across various regions in Taiwan.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.3390/ijerph8041084

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