来水 1999年广州市降水量为平水偏枯年,全年平均降水深1587毫米,总水资源量70亿立方米,全市各区、县级市降水量、水资源量均小于常年值(多年平均);降水量时空分布不均,从化、增域有两个明显的降水高值区,市区和番禺为降水低值区,且降水主要集中在4—9月汛期(占90%以上)。 Water In 1999, the precipitation in Guangzhou was flat and dry. The annual average precipitation was 1587 mm and the total water resources was 7 billion cubic meters. The precipitation and water resources of all districts and counties in the city were less than the annual average (years of average) There are two obvious areas with high precipitation in Conghua and Zengcheng, while the urban area and Panyu are the areas with low precipitation. The precipitation is mainly concentrated in flood season from April to September (accounting for more than 90%).