农田土壤水分预测模型的研究进展及应用

Progress and application of soil moisture monitoring and forecasting models

本文对国内外土壤湿度的监测、预报发展情况进行了回顾,总结了国内外土壤水分监测方法及其原理,介绍了国内外土壤湿度预测模型的研究进展及其应用情况。讨论了传统的土壤水分平衡方程统计模型法、从土壤水分运动方程出发的物理学模型法、利用气象要素与土壤水相关关系为基础的统计预报法、及新兴的人工神经元网络法和遥感数据估测法的优缺点。并对土壤水分研究工作所面临的问题进行了必要的阐述。

In this paper, the application of the research and development directions in the field of drought monitoring is revealed. The principles and methods of soil moisture monitoring are simply summarized. Some methods have been discussed, such as statistical analysis, physics model based on soil moisture dynamics, soil moisture balance model, artificial neural network model and remote sensing model. Finally, the review points out the problems in this research field