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A siphon marked on a topo map refers to:
  • a)
    A post office
  • b)
    A cross-drainage structure where canal passes below a river
  • c)
    A police station
  • d)
    A railway station
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
A siphon marked on a topo map refers to:a)A post officeb)A cross-drain...
A siphon is a structure that lets a canal cross beneath a river or drainage line.
It is represented by a special symbol in topo sheets.
Very important in drainage and irrigation interpretation.
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Community Answer
A siphon marked on a topo map refers to:a)A post officeb)A cross-drain...
Understanding Siphons on Topographic Maps
A siphon, as depicted on topographic maps, refers specifically to a cross-drainage structure that allows a canal or water channel to pass beneath a river or other water body. This engineering solution is essential for managing water flow and ensuring that irrigation or drainage systems work effectively.
Key Features of Siphons:
- Functionality: Siphons are designed to transport water from one side of a river to the other without interfering with the river's natural flow. They help prevent flooding and maintain the water supply for agricultural or industrial purposes.
- Construction: Typically constructed using pipes or conduits, siphons are engineered to create a pressure difference that facilitates the flow of water. They often involve significant engineering to ensure that the structure is robust and resilient against water pressure.
- Location: Siphons are strategically located where canals intersect with rivers, allowing for seamless water management. This is especially important in regions where irrigation is critical for agriculture.
- Visual Representation: On a topographic map, siphons are usually marked with specific symbols or annotations that indicate their presence and function, making it easier for planners and engineers to understand the landscape.
Conclusion:
In summary, the correct answer to the question regarding siphons on a topo map is option 'B'. They play a crucial role in effective water management and are vital for agricultural and urban planning, ensuring that water resources are utilized efficiently without disrupting natural waterways.
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