The watershed year for science fiction must be 1968, when Stanley Kubrick's 2001: A Space Odyssey appeared, not only dramatically expanding for this kind of motion picture the potentials of film technology, but making science fiction a vehicle for both poetic vision and metaphysical exploration.
When looking at the location of rivers and the amount of streamflow in rivers, the key concept is the river's "watershed". What is a watershed? Easy, if you are standing on ground right now, just look down. You're standing, and everyone is standing, in a watershed.
Watersheds impact everyone; every community, farm, ranch, and forest. They provide a vital resource for all living things to survive and thrive. All watersheds are interconnected, creating a land-water system that conveys water to its final destination such as a river, lake, wetland, or estuary.
A watershed is an area of land that channels water such as rain and snow to a body of water like a lake, river, or stream. This term is often used interchangeably with a catchment area, which indicates the area that carries water to a single examined point.
A watershed is an area of land that drains rainfall and snowmelt into streams and rivers.
What Is a Watershed? A watershed is the land area that drains into a stream or other body of water. Gravity pulls water downhill from rainstorms, snow melt, and even groundwater supplies until it reaches the lowest point, where bodies of water are found.
What is a watershed? It’s a land area that channels rainfall and snowmelt to creeks, streams, and rivers, and eventually to outflow points such as reservoirs, bays, and the ocean.