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As the river becomes deeper and wider, it may move slower and receive more sunlight. This supports invertebrates and a variety of fish, as well as scrapers feeding on algae. [20] Further downstream, the river may get most of its energy from organic matter that was already processed upstream by collectors and shredders.
Likewise, the term downstream or downriver describes the direction towards the mouth of the stream or river, in which the current flows. The term " left bank " and " right bank " refers to banks as seen from the direction of flow, towards the downstream direction.
The headwater of a river or stream is the point on each of its tributaries upstream from its mouth/estuary into a lake/sea or its confluence with another river. Each headwater is considered one of the river's sources , as it is the place where surface runoffs from rainwater , meltwater and/or spring water begin accumulating into a more ...
Nearly half of the world’s largest downstream rivers — 44% — saw a drop in ... For the smallest upstream rivers, mostly in mountainous areas, it was a different story: 17% saw an increase in ...
Fair river sharing is a kind of a fair division problem in which the waters of a river has to be divided among countries located along the river. It differs from other fair division problems in that the resource to be divided—the water—flows in one direction—from upstream countries to downstream countries.
The Niagara River has a long history of both road and rail bridges spanning the river, both upstream and downstream of the Falls. This history includes numerous bridges that have fallen victim to the harsh conditions of the Niagara Gorge , such as landslides and icepacks.
The Hase River in Melle, Germany divides into the Hase River and the Else River and has been researched as a natural phenomenon. A bifurcation of the Nerodime River in Kosovo , near the town of Ferizaj , at 42°22′19″N 21°08′00″E / 42.371827°N 21.133306°E / 42.371827; 21.133306 , was a hydrological curiosity as separate ...
The upstream and downstream portions must be modeled separately with an initial depth of 9.21 m for the upstream portion, and 0.15 m for the downstream portion. The downstream depth should only be modeled until it reaches the conjugate depth of the normal depth, at which point a hydraulic jump will form.