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What are the advantages and disadvantages of canal?

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What are the advantages and disadvantages of canal?

Advantages and Disadvantages of Canal Lining

  • It reduces the loss of water due to seepage and hence the duty is enhanced.
  • It controls the water logging and hence the bad effects of water-logging are eliminated.
  • It provides smooth surface and hence the velocity of flow can be increased.

Why are canals dangerous?

Debris (trash and garbage) and other dangerous things can be found in canals. Dry canals are not safe because there is no way to know when water may be released and you may be trapped by a surge of water. Canals can have deep water. If you cannot swim or if you are hurt, falling into deep water could prove fatal.

What are two demerits of canals How are they caused?

in excess of flood. III) Problem of salt effervescence and thereby reducing the fertility of soil . iv) Problem of water logging and turning the adjoining areas to swamps. v) To reduce the problem of waterlogging and salt effervescence the canal has to be lined with bricks , cement , mortar which is expensive.

What type of major dangers can the lining of canals extinguish?

What type of major dangers can the lining of canals extinguish? Explanation: Floods are catastrophic disasters in nature. If a canal is not lined or it constructed on weak foundations then there is chance of regular floods, sometimes even flash floods.

What are the disadvantage problems caused by the unlined canal system?

Water Loss Through Seepage The single biggest problem caused by unlined irrigation and drainage canals is water loss due to seepage. All soils are somewhat porous due to the gaps between individual soil particles. These spaces allow water to flow out and away.

Why should you not swim in canals?

Many waterways are relatively shallow, and anyone jumping or diving into them runs a risk of serious injury from hidden objects under the water. Cold water can bring on cramps to even the strongest swimmers, while currents created by passing boats and water movements around locks and weirs pose further dangers.

Are you allowed to swim in a canal?

Many canals are not suitable for swimming due to water quality issues and generally swimming is not formally permitted. Note that many larger navigable rivers may look like canals in places, but are managed rivers with weirs, locks and parallel ‘cuts’ to shortcut meaders, called river ‘navigations’.

What are the demerits of canals How do you overcome these defects?

(a) Canals should be lined with brick and mortar along the embankments. (b) Wells may be dug in water-logged areas so that the water may soak down into these wells. (c) Swamps may be dried up, by draining out the water with the aid of power-driven pumps. (d) Gypsum can be used which makes the soil fertile again.

Which of the following is a disadvantage of CD works carrying the canal over the discharge?

Explanation: The main advantage of this arrangement is that the CD works are less liable to damage than the earthwork of the canal. The major disadvantage is that the inspection road cannot be provided along the canal hence, it is not open to inspection or maintenance.

What are the disadvantages of using canal water?

1. Due to imbalance in distribution of canal water, a situation of scarcity somewhere and water logging in other areas is caused due to collection of water there. It makes the soil unproductive as harmful underground salts and alkalies come to the surface level due to water logging. Land can also become marshy there. 2.

Why are canals a source of tourist attraction?

Canals are also becoming a source of tourist attraction these days. 1. Due to imbalance in distribution of canal water, a situation of scarcity somewhere and water logging in other areas is caused due to collection of water there.

What are the social evils of canal irrigation?

Many types of social evils are generated in canal areas. Sometimes, disputes arise for water distribution etc. resulting in murders and throwing of dead bodies by the bank of a canal.

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What are the advantages and disadvantages of Canal?

Author

What are the advantages and disadvantages of Canal?

Advantages and Disadvantages of Canal Lining

  • It reduces the loss of water due to seepage and hence the duty is enhanced.
  • It controls the water logging and hence the bad effects of water-logging are eliminated.
  • It provides smooth surface and hence the velocity of flow can be increased.

What are the advantages of the canal?

Canals are fed by rain water received by rivers, and the water is used for irrigation. Production of crops needing more water is also possible through canals. As compared to un-irrigated soils, higher productivity per hectare is also possible due to canals. The main advantage to canals is the ease of shipping goods.

What were disadvantages of canals?

Disadvantages of Canal Irrigation:

  • Due to imbalance in distribution of canal water, a situation of scarcity somewhere and water logging in other areas is caused due to collection of water there.
  • Many diseases are caused due to spread of mosquitoes, worms and insects on account of stationary water in canals.

What are the advantages and disadvantages of perennial canals?

Perennial canals irrigation: Advantages- It provides water throughout the year because it is connected with dams and barrages. Due to continuous availability of water farmers can grow numbers of crops which will help in their economic growth. We can also avoid drought situation.

What are the three disadvantages of canal irrigation?

Cause problem of waterlogging and alkalinity in the peripheral areas.

  • Irrigation through water often causes wastage of water.
  • Causes disputes regarding sharing of water.
  • Danger of spreading water borne disease in peripheral areas.

    • What were the advantages of canal and railway transportation?

    Question 2: What were the relative advantages of canal and railway transportation? Answer: Transporting coal through canals was cheaper and faster than doing it by road. Railways provided faster, cheaper and more reliable means of transport; for both goods and people.

    What are perennial canals?

    Perennial Canals flow throughout the year and are thus referred to as perennial canals. They draw water from perennial rivers or from artificial reservoirs which sustain a high water level on the upstream side. During the dry months, such canals are not beneficial.

    Why canal irrigation is not common in southern India?

    canal irrigation is not suitable in south India because of the following reasons : The undulating relief and hard rocks make it difficult to dig canals and Wells. There is a little percolation of rain water due to hard rock structure and ground water is not available in large quantities.

    What are advantages and disadvantages of irrigation?

    Advantages include low costs and minimal labor. A hose and a garden hoe are all it takes to have functioning furrows between vegetable rows. Water stays in the root zone, and foliage stays dry. Drawbacks to surface irrigation include potential overwatering and wasteful runoff.

    What are the advantages and disadvantages of well irrigation over canal irrigation?

    They make soil fertility when they reach the agricultural field along with well water. It is more reliable during periods of famine when surface water dries up. Disadvantages of well and Tube Well Irrigation: With these methods, only limited area can be irrigated. Normally, a well can irrigate 1 to 8 hectares of land.

    What are advantages of rail transport?

    Advantages and Disadvantages of Railway Transport

    • Dependable:
    • Better Organised:
    • High Speed over Long Distances:
    • Suitable for Bulky and Heavy Goods:
    • Cheaper Transport:
    • Safety:
    • Larger Capacity:
    • Public Welfare:

    What were the disadvantages of canals?

    Initial Disadvantages of Canals: Canals never followed a direct path unless a “cut” was needed, which was essentially a straight path constructed in the canal system for infrastructural purposes but at a great expense. Thus, if a canal was to be straight, its cost would be prolific.

    What are the advantages and disadvantages of canal irrigation?

    Canal irrigation with 3 types, advantage, disadvantage Canal irrigation system. Advantages of Canal Irrigation: Un-irrigated wastelands can be ready by canal irrigation. Disadvantages of Canal Irrigation: Due to imbalance in the distribution of irrigation canal water, waterlogging in other areas is caused due to collection of water there and a situation of Types of canal irrigation lining.

    What are the uses of canals in irrigation?

    The irrigation water is conveyed from the reservoir to flow through an open channel of a trapezoidal shape which is known as a canal.

  • The canal is a man-made waterway which allows ships and ships and boats to pass from one place to another place.
  • Canals are widely used for the transportation of water for irrigation purpose and different human uses.

    • What is the definition of irrigation canals?

    An irrigation canal is a waterway, often man-made or enhanced, built for the purpose of carrying water from a source such as a lake, river, or stream, to soil used for farming or landscaping.

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