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[7] The sediment yield of a river is the quantity of sand per unit area within a watershed that is removed over a period of time. [11] The monitoring of the sediment yield of a river is important for ecologists to understand the health of its ecosystems, the rate of erosion of the river's environment, and the effects of human activity. [11]
The "flow regime" of a river or stream includes the general patterns of discharge over annual or decadal time scales, and may capture seasonal changes in flow. [7] [8] While water flow is strongly determined by slope, flowing waters can alter the general shape or direction of the stream bed, a characteristic also known as geomorphology. The ...
Rivers get their alluvium from erosion, which carves rock into canyons and valleys. Rivers have sustained human and animal life for millennia, including the first human civilizations. The organisms that live around or in a river such as fish, aquatic plants, and insects have different roles, including processing organic matter and predation.
The source of a river or stream (its point of origin) can consist of lakes, swamps, springs, or glaciers. A typical river has several tributaries; each of these may be made up of several other smaller tributaries, so that together this stream and all its tributaries are called a drainage network.
Important physical processes within the water cycle include (in alphabetical order): Advection: The movement of water through the atmosphere. [6] Without advection, water that evaporated over the oceans could not precipitate over land. Atmospheric rivers that move large volumes of water vapor over long distances are an example of advection. [7]
The Peninsular River System's major rivers are the following: [1] Mahanadi River; Godavari River; Krishna River; Kaveri (or Cauvery) Narmada River; Tapi River (or Tapti) The rivers mainly drain in the rural area of India. The rivers have both religious and cultural significance to Indian people. The Peninsular Rivers are mostly fed by the rainfall.
Watershed delineation is the process of identifying the boundary of a watershed, also referred to as a catchment, drainage basin, or river basin.It is an important step in many areas of environmental science, engineering, and management, for example to study flooding, aquatic habitat, or water pollution.
The Deccan rivers system consists of rivers in Peninsular India, that drain into the Bay of Bengal and the Arabian Sea. There are numerous short coastal rivers, predominantly on the West coast. There are few inland rivers, which do not drain into sea. [2] [3] Most of the rivers in India originate from the four major watersheds in India.