Discussion on Rainwater Utilization in Southern Mountain Area of Jinan

摘要

The vast southern Mountain area of Jinan city, which have unique geographical environment and abundant rainwater resources, are the groundwater recharge area of Jinan springs. The southern mountain has obvious seasonal rainfall and its annual rainfall was between 450mm to 850mm which mainly concentrated during June to August by statistics and analysis rainfall data of 50 years, and the amount of 7.46×108 m3 rainwater can be used. Three patterns of rainwater utilization such as direct utilization, indirect utilization and integrated utilization were also discussed. Integrated utilization of rainwater is of great significance for resuming ecology environment in Southern Mountain area, keeping groundwater level.