Xu et al. (2026) Evaluation of Irrigation Water Resources Carrying Capacity and Identification of Its Dominant Patterns of Variation in the Hetao Irrigation District

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Identification

• Journal: Agronomy
• Year: 2026
• Date: 2026-08-27
• Authors: Haoran Xu, Tong Yang, Long Wan, Tianjiao Feng, Jiufu Luo, Jixia Huang, Yinhui Yuan, Xiyue Liang, Jiajia Peng, Ansa Rebi
• DOI: 10.3390/agronomy16171637

Research Groups

Not specified

Short Summary

This study evaluates the irrigation water resources carrying capacity of the Hetao Irrigation District from 2001 to 2023, finding that improvements in water-use efficiency have partially offset the decline in water availability.

Objective

• To evaluate the long-term irrigation water resources carrying capacity in the Hetao Irrigation District and identify the dominant patterns of its variation.

Study Configuration

• Spatial Scale: Hetao Irrigation District, Yellow River Basin (including county-level units such as Linhe District and Dengkou County).
• Temporal Scale: 2001–2023.

Methodology and Data

• Models used: TOPSIS model (incorporating combined subjective–objective weighting) and Principal Component Analysis (PCA).
• Data sources: Not specified (regional irrigation and water resource data).

Main Results

• Overall carrying status improved because gains in the irrigation water-use efficiency subsystem compensated for the decline in the water availability subsystem.
• Spatial analysis revealed that Linhe District had the highest carrying capacity, while Dengkou County had the lowest.
• Three dominant patterns of variation were identified:
  1. Joint variation between water availability and water-use scale.
  2. A mixed pattern involving irrigation water-use intensity, the degree of water resource utilization, and groundwater conditions.
  3. Variation in effective irrigation coverage.

Contributions

• Integrates long-term carrying-status assessment with the identification of dominant variation patterns.
• Reveals a compensatory relationship between improved irrigation water-use efficiency and declining water availability, offering a new perspective on carrying-status evolution at the irrigation-district scale.

Funding

Not specified

Citation

@article{Xu2026Evaluation,
  author = {Xu, Haoran and Yang, Tong and Wan, Long and Feng, Tianjiao and Luo, Jiufu and Huang, Jixia and Yuan, Yinhui and Liang, Xiyue and Peng, Jiajia and Rebi, Ansa},
  title = {Evaluation of Irrigation Water Resources Carrying Capacity and Identification of Its Dominant Patterns of Variation in the Hetao Irrigation District},
  journal = {Agronomy},
  year = {2026},
  doi = {10.3390/agronomy16171637},
  url = {https://doi.org/10.3390/agronomy16171637}
}