they get big long pipes and walk to the sea so they can join the pipes and make a water sucking tunnel.
watershed
watershed
The term that describes low land that has been drained of water is "marsh" or "wetland." These areas can be artificially drained for agricultural purposes or to prevent flooding, turning them into more arable land. However, when drained, they may lose some of their ecological functions, such as water filtration and habitat for wildlife.
A river
A catchment.
Land drained by a river is a watershed. This is an area of land that feeds all the water running under it and draining off of it into a body of water.
river
I believe you might be referring to a "watershed".
watershed
jjj
Efforts by an area of land drained by a water system are referred to as a "watershed." A watershed is the land area that channels rainfall and snowmelt to creeks, streams, and rivers, ultimately leading to larger bodies of water. It plays a crucial role in managing water resources and ecosystems.
The area of land drained by a river is called a "watershed." This term refers to the region from which water collects and drains into a specific river or body of water. Watersheds play a crucial role in the hydrological cycle and ecosystem health.