CBSE Class 9 Revision Notes Geography Drainage 'Drainage' is a term which describes the river system of an area. A drainage basin or river basin is an area which is drained by a single river system. An upland that separates two drainage systems that are next to each other is called a water divide.Furthermore, what do you mean by drainage in geography?
In geomorphology, drainage systems, also known as river systems, are the patterns formed by the streams, rivers, and lakes in a particular drainage basin. They are governed by the topography of the land, whether a particular region is dominated by hard or soft rocks, and the gradient of the land.
Beside above, which is the largest river basin in India? Ganga
Also question is, what is drainage system of India?
DRAINAGE SYSTEM IN INDIA Drainage Basin refers to an area which is drained by one river system, i.e. Main River along with its tributaries. Drainage system refers to the group of channels of drainages, i.e. channels of main (original) river and its tributaries.
What are drainage patterns write a brief note on the different drainage patterns?
A trellis drainage pattern develops where hard and soft rocks exist parallel to each other. A rectangular drainage pattern develops on a strongly jointed rocky terrain. The radial pattern develops when streams flow in different directions from a central peak or dome like structure. hope this helps you.
What are the types of drainage?
There are four main types of residential drainage systems. These include surface, subsurface, slope, downspout and gutter systems.What is the mean of drainage?
Drainage is the process in which water leaches downward from the upper soil layers to lower layers, or how surface water is removed.What is the purpose of drainage?
The function of the field drainage system is to control the water table, whereas the function of the main drainage system is to collect, transport, and dispose of the water through an outfall or outlet. In some instances one makes an additional distinction between collector and main drainage systems.What are the 4 types of drainage patterns?
4 Common Types of Drainage Patterns. Drainage patterns are classified on the basis of their form and texture. Read on to learn some common types of drainage patterns, such as: dendritic, deranged, centripetal and trellised.What are the two types of drainage systems?
There are two basic types of drainage systems – French drains and area drains – each is effective , but for different problems.What are drainage features?
Natural drainage features include lakes, rivers, swamps, sea, rapids, water falls, cataracts, springs, deltas, fjords, sand or mud, and bays.What is soil drainage?
Soil drainage is a natural process by which water moves across, through, and out of the soil as a result of the force of gravity.What is dendritic drainage?
dendritic drainage A drainage pattern that may develop on homogeneous rock, which has a shape resembling the pattern made by the branches of a tree or the veins of a leaf.How many types of rivers are there?
Rivers can be short or long, wide or narrow, fast or slow. There are 165 'major' rivers in the world, and literally tens of thousands of smaller ones.How many rivers are in India?
There are nine important rivers of India and they are: The Ganges, Yamuna (a tributary of Ganges), Brahmaputra, Mahanadi, Narmada, Godavari, Tapi, Krishna, and Kaveri. Parts of the Indus River also flow over Indian soil. Eight important rivers together with their various tributaries comprise the river system of India.What is a meander of a river?
A meander is one of a series of regular sinuous curves, bends, loops, turns, or windings in the channel of a river, stream, or other watercourse.What is the importance of drainage system?
It prevents water accumulation This is the most important use of a good drainage system; it allows the free flow of water and in most cases prevents accumulation that can lead to flooding. Drainage systems also prevent the accumulation of stagnant water, which can encourage mosquitoes to breed.What is the source and mouth of the river?
The source is where a river begins, and the river mouth is where it joins the sea. The mouth may be in the form of a river delta.How many types of drainage system are there in India?
The Indian Drainage System is divided into 3 categories: (1) Major River Basin with catchment area up to 20000 sq. km. and above, accounts for 83% of the total run off and are 13 in number in India.What is rectangular drainage pattern?
Definition of rectangular drainage pattern. A drainage pattern in which the main streams and their tributaries display many right-angle bends and exhibit sections of approx. the same length; it is indicative of streams following prominent fault or joint systems that break the rocks into rectangular blocks.What is barbed drainage pattern?
Barbed Drainage Pattern is a drainage pattern wherein tributaries form obtuse angles with the main stream; they appear to point up-river. This is due capture that has caused the main stream to flow in a direction opposite to its original one.What is a river system?
A river system is a number of rivers which consists of one main river, which drains into a lake or into the ocean, and all its tributaries. 
