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[A new precipitation distribution hydrological model and its application].

Shengtang Zhang1, Shaozhong Kang, Yin Liu

  • 1Key Laboratory of Agricultural Soil and Water Engineering in Arid and Semi Arid Areas of Ministry of Education, Northwest Sci-Tech University of Agriculture & Forestry, Yangling 712100, China. zst0077@163.com

Ying Yong Sheng Tai Xue Bao = the Journal of Applied Ecology
|June 10, 2005
PubMed
Summary

This study presents a new hydrological model for simulating precipitation distribution, considering atmospheric and terrain effects. The model accurately predicts spatial precipitation patterns, aiding in basin storm analysis and runoff forecasting.

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Area of Science:

  • Hydrology
  • Atmospheric Science
  • Geospatial Analysis

Context:

  • Precipitation data is crucial for hydrological models.
  • Accurate spatial precipitation data is a key research area.
  • Existing models may not fully capture complex precipitation patterns.

Purpose:

  • To develop a novel hydrological model for simulating spatial precipitation distribution.
  • To test the hypothesis that precipitation distribution is influenced by atmospheric systems and terrain.
  • To improve the accuracy of precipitation input data for hydrological analyses.

Summary:

  • A new precipitation distribution hydrological model was established based on the hypothesis that natural precipitation forms concentric ovals.
  • The model simulates spatial precipitation patterns, incorporating terrain effects using Newton interpolation.

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  • It uniquely simulates the precipitation center's position and amount, enhancing model capabilities.

    • Impact:

    • The model offers practical value for basin storm analysis and real-time runoff forecasting.
    • Demonstrated high precision in simulations using data from the Xichuan river basin.
    • Contributes to more accurate hydrological process analysis and water resource management.