Abstract: The elemental rainfall-runoff theories of fields and grasslands were analyzed, and a method calculating elemental average infiltration ratio based on the data of rainfall-runoff was also given.

• 文摘:分析了坡地农田和草地生态单元降雨产流过程，提出了一种利用降雨产流资料计算坡地单元平均入渗速率的方法。