The cumulative rainfall in a single day in the catchment area of Zengwen Reservoir on the 7th was the highest since January this year.
(Provided by Nanshui Bureau)
[Reporter Liu Wanjun/Tainan Report] The Meiyu front has passed, and the Water Resources Bureau of the Southern District of the Ministry of Economic Affairs seized the opportunity this morning (7th) to carry out artificial rainfall enhancement operations in the catchment area of Zengwen Reservoir. The accumulation until 5 pm, Zeng Wen The accumulated rainfall in the catchment area of the reservoir was 36.7 mm, the largest single-day accumulated rainfall since January this year. The accumulated rainfall in the catchment area of Wushantou Reservoir was 9.7 mm, and the accumulated rainfall in the catchment area of Nanhua Reservoir was 14.9 mm.
He Dafu, deputy director of the Southern District Water Resources Bureau of the Water Resources Department of the Ministry of Economic Affairs, said that since 3 p.m., the inflow of Zengwen Reservoir has increased significantly from the original 0.35 cubic meters per second to 2 cubic meters per second, more or less There is little income, but because the rainfall in the catchment area needs to have time to collect the water in the reservoir, the actual amount of water entering the reservoir in this wave of rainfall will not be clear until one or two days later.
The Southern District Water Resources Bureau first released flames in the catchment area of Zengwen Reservoir at 8:00 this morning, followed by UAV rain enhancement operations at 9:30 am, and extended-range flame bomb rain enhancement operations at 10:00 am. Zengwen Reservoir The water catchment area began to rain heavily from 10:00 to around 12:00 noon, with a maximum hourly rainfall of 12.8 mm, and only sporadic rainfall remained after 1:00 pm.
According to the monitoring data of the South Water Bureau at 5 p.m., Zengwen Reservoir has an effective water storage capacity of 32.67 million cubic meters, with a water storage rate of 6.45%. The water storage rate of the reservoir is 17.57 million cubic meters, and the water storage rate is 19.63%.