Which is bigger, Chushandian Reservoir or Nanwan Reservoir?

Comparing the basin areas of the two reservoirs, the basin area of Chushandian Reservoir is larger than that of Nanwan Reservoir. The basin area of Chushandian Reservoir is 2900 square kilometers, and the basin area of Nanwan Reservoir is 1 100 square kilometers.

Judging from the storage capacity, the storage capacity of Chushandian Reservoir is smaller than that of Nanwan Reservoir. Storage capacity of Chushandian Reservoir 12.5438+0 billion cubic meters. The storage capacity of Nanwan Reservoir is 65.438+0.63 billion cubic meters.

I. Construction scale of Chushandian Reservoir:

1. The planned main dam is 3690.57m long (including concrete dam 429.57m and earth dam 326 1m), and the maximum dam height is 34.5m.. ..

2. The designed irrigation area is 500,000 mu, the installed hydropower capacity is 2,900 kilowatts, and the project investment is about 9,869.6 million yuan.

Second, the construction scale of Nanwan Reservoir:

1, main dam 8 16m, dam crest elevation 1 14. 1m, maximum dam height 38.3m, dam crest paved 8m, and the dam is a sand shell dam with clay core wall.

2. Main buildings: dam, spillway, earth dam, water conveyance tunnel, flood discharge tunnel and power station.

Refer to the above? Baidu encyclopedia-Nanwan reservoir and Baidu encyclopedia-Chushandian reservoir