What is CFS irrigation?
Irrigation Water Flows, Volumes, and. Relationships. Water Flow Rates: 1 cubic foot per second (cfs) = 448.8 gallons per minute.
When was the Dujiangyan irrigation system built?
Construction of the Dujiangyan irrigation system began in the 3rd century B.C. This system still controls the waters of the Minjiang River and distributes it to the fertile farmland of the Chengdu plains. Mount Qingcheng was the birthplace of Taoism, which is celebrated in a series of ancient temples.
What is the best irrigation system for maize?
Furrow irrigation
Furrow irrigation is best used for irrigating row crops such as maize, vegetables and trees. Border irrigation is particularly suitable for close growing crops such as alfalfa, but border irrigation can also be used for row crops and trees.
How many cfs are in a GPM?
Conversion formulas Cubic feet per second , US gallon per minute (cfs, ft3/s, gpm): cfs= 448.8325660485*gpm.
How was the Dujiangyan irrigation system built?
The levee was constructed from long sausage-shaped baskets of woven bamboo filled with stones known as Zhulong held in place by wooden tripods known as Macha. The construction of a water-diversion levee resembling a fish’s mouth took four years to complete.
How do I convert cfs to GPM?
Multiply the number of cubic feet per second by 448.83 to convert directly from cubic feet per second to gallons per minute.
Who built the Dujiangyan irrigation system?
King Zhao of Qin commissioned the project, and the construction of the Dujiangyan harnessed the river using a new method of channeling and dividing the water rather than simply damming it. The water management scheme is still in use today to irrigate over 5,300 km2 (2,000 sq mi) of land in the region.
How many pandas are in the Dujiangyan Panda Base?
Dujiangyan Panda Base is located 55 kilometers northwest of Chengdu, in Qingchengshan Town, about one hour’s car drive….Chengdu Giant Panda Base vs Dujiangyan Panda Base.
| Chengdu Giant Panda Breeding and Research Base | Dujiangyan Panda Base | |
|---|---|---|
| Number of pandas | 50 | 20 |
| Ticket Price | RMB 58 | RMB 90 |