Jilong et al. (2026) Trend and attribution of runoff in upper reaches of Heihe River

⚠️ Warning: This summary was generated from the abstract only, as the full text was not available.

Identification

• Journal: DOAJ (DOAJ: Directory of Open Access Journals)
• Year: 2026
• Date: 2026-08-01
• Authors: Lai Jilong, Niu Zuirong, Jia Ling, Yuan Puyang
• DOI: None

Research Groups

Not specified in the provided text.

Short Summary

This study quantitatively analyzed the response of runoff variation to climatic factors and human activities in the upper Heihe River Basin, finding an increasing trend in annual runoff from 1971 to 2022, predominantly driven by precipitation.

Objective

• To quantitatively analyze the response of runoff variation to climatic factors and human activities, and to provide a scientific basis for the rational development and utilization of water resources in the upper reaches of the Heihe River.

Study Configuration

• Spatial Scale: Upper reaches of the Heihe River Basin.
• Temporal Scale: 1971—2022 (52 years).

Methodology and Data

• Analytical methods used: Linear trend analysis, cumulative anomaly method, Mann-Kendall mutation test, double cumulative curve method.
• Data sources: Observed precipitation and runoff data from hydrological stations within the basin.

Main Results

• Annual runoff in the upper reaches of the Heihe River showed an upward trend during the period 1971—2022.
• Measured annual runoff at Yingluoxia, Zhamashike, and Qilian hydrological stations exhibited abrupt shifts from low to high levels in 2003, 2007, and 2003, respectively.
• The three hydrological stations displayed generally similar wet-dry cycles.
• The contribution rates of precipitation to runoff variations at Yingluoxia, Zhamashike, and Qilian stations were 51.78%, 51.09%, and 74.29%, respectively, all exceeding the contributions attributed to human activities.

Contributions

• Provides a quantitative analysis of the relative contributions of climatic factors (specifically precipitation) and human activities to runoff variations in the upper Heihe River, identifying precipitation as the dominant factor.
• Offers a scientific basis for water resource management and utilization in the study area.

Funding

Not specified in the provided text.

Citation

@article{Jilong2026Trend,
  author = {Jilong, Lai and Zuirong, Niu and Ling, Jia and Puyang, Yuan},
  title = {Trend and attribution of runoff in upper reaches of Heihe River},
  journal = {DOAJ (DOAJ: Directory of Open Access Journals)},
  year = {2026},
  url = {https://openalex.org/W7213964264}
}