In the topic 2 , based on the theory of rain - runoff and soil water moving , a practical soil moisture forecasting model expressed by moisture index has been provided . the techniques of moisture forecasting and drought evaluating have been combined with the techniques of network and gis , and the detailed way and contents about establishing information system of moisture and drought extent have also been presented , and provide direct services for preventing and controlling drought 在墒情监测预报研究中，采用降雨产流预报和包气带水运移理论和方法，提出了由墒情预报指数表示的实用墒情预报模型，并把墒情预报技术、旱情灾情评估技术与现代网络技术、 gis信息技术紧密结合，提出了建设墒情监测预报和抗旱减灾信息系统的技术思路和具体内容。
