How to measure the water level of the Three Gorges?

It is expressed by the elevation of the Yellow Sea, such as water level 156m, etc. By monitoring the water level when the dragon is completed, the water depth of the Three Gorges can be subtracted from the Yellow Sea elevation of the dam foundation. The historical water in the Three Gorges reservoir area reached 10 meter in June 2003. From September 23rd, 2003 to October 30th, 2003, the Three Gorges Reservoir carried out the first experimental impoundment of139m, with the water level ranging from135m to139m.

From 22: 00 on September 20, 2006 to 10 on October 27, 2006, the Three Gorges Reservoir began the first experimental water storage of 156 meters from the water level to 135 meters. The first experimental impoundment of the Three Gorges Reservoir started from 0: 00 on September 28th, 2008 to1October 4th 165438+172.8m. The water level ranged from 157.4 to172.8m. The Three Gorges Reservoir started/kloc.

Brief introduction of Three Gorges Dam

The Three Gorges Dam is a concrete gravity dam with a length of 2,335 meters, a bottom width of 1 15 meters, a top width of 40 meters, a crest elevation of 185 meters, a maximum pouring dam height of 18 1 m, and a normal water level of1. The downstream water level of the dam is about 66m above sea level, the lowest navigable water level under the dam is 62m above sea level, and the designed maximum height difference between the upstream and downstream of the navigable lock is113m.

The Three Gorges Project is the largest water control project in the world, with a total installed capacity of 22.5 million kilowatts and a designed annual power generation of 84.7 billion kilowatt hours (kWh), far surpassing Itaipu Hydropower Station in Brazil, which ranks second in the world, and becoming the largest hydropower station in the world. 12 sets of 700MW hydro-generator sets are installed on the right bank of the Three Gorges Power Station, with the diameter of diversion steel pipe of 12.4m, the rated flow rate of the turbine of 970m3/s, the maximum flow rate of 1020m3/s, and the average flow rate in the pressure pipeline of (0 ~ 8.5) m/s. ..