Civil Engineering (CE) Exam > Civil Engineering (CE) Questions > The drainage density is thea)average length o... Start Learning for Free
The drainage density is the
- a)average length of the streams per unit drainage area within the basin
- b)stream discharge per unit drainage area
- c)annual runoff per unit drainage area
- d)number of streams per unit drainage area
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
The drainage density is thea)average length of the streams per unit dr...
Understanding Drainage Density
Drainage density is a crucial concept in hydrology and civil engineering that reflects how water flows through a landscape. It provides insight into the efficiency of a watershed in draining excess water.
Definition of Drainage Density
- Average Length of Streams: Drainage density is defined as the average length of all streams and rivers within a given drainage basin per unit area of that basin.
- Mathematical Expression: It can be expressed as:
- Drainage Density = Total Length of Streams / Total Drainage Area
Importance of Drainage Density
- Hydrological Response: A higher drainage density indicates a more efficient drainage system, leading to quicker runoff and potentially higher flood risks.
- Soil and Vegetation Impact: Areas with high drainage density often have less water retention, affecting soil moisture and vegetation types.
- Land Use Planning: Engineers and planners utilize drainage density to assess flood management strategies, design infrastructure, and predict environmental impacts.
Comparing Options
- Option A (Correct): Accurately describes drainage density as the average length of streams per unit area.
- Option B (Incorrect): Refers to stream discharge, which is not related to the length of streams.
- Option C (Incorrect): Discusses annual runoff, a different hydrological measurement.
- Option D (Incorrect): Mentions the number of streams, but density focuses on length relative to area, not just quantity.
Conclusion
Understanding drainage density is vital for effective water management, land use planning, and environmental conservation. It helps engineers and hydrologists predict how landscapes will behave under different water flow conditions.
Drainage density is a crucial concept in hydrology and civil engineering that reflects how water flows through a landscape. It provides insight into the efficiency of a watershed in draining excess water.
Definition of Drainage Density
- Average Length of Streams: Drainage density is defined as the average length of all streams and rivers within a given drainage basin per unit area of that basin.
- Mathematical Expression: It can be expressed as:
- Drainage Density = Total Length of Streams / Total Drainage Area
Importance of Drainage Density
- Hydrological Response: A higher drainage density indicates a more efficient drainage system, leading to quicker runoff and potentially higher flood risks.
- Soil and Vegetation Impact: Areas with high drainage density often have less water retention, affecting soil moisture and vegetation types.
- Land Use Planning: Engineers and planners utilize drainage density to assess flood management strategies, design infrastructure, and predict environmental impacts.
Comparing Options
- Option A (Correct): Accurately describes drainage density as the average length of streams per unit area.
- Option B (Incorrect): Refers to stream discharge, which is not related to the length of streams.
- Option C (Incorrect): Discusses annual runoff, a different hydrological measurement.
- Option D (Incorrect): Mentions the number of streams, but density focuses on length relative to area, not just quantity.
Conclusion
Understanding drainage density is vital for effective water management, land use planning, and environmental conservation. It helps engineers and hydrologists predict how landscapes will behave under different water flow conditions.
 | Explore Courses for Civil Engineering (CE) exam |  |
Top Courses for Civil Engineering (CE)View all
Top Courses for Civil Engineering (CE)
Question Description
The drainage density is thea)average length of the streams per unit drainage area within the basinb)stream discharge per unit drainage areac)annual runoff per unit drainage aread)number of streams per unit drainage areaCorrect answer is option 'A'. Can you explain this answer? for Civil Engineering (CE) 2026 is part of Civil Engineering (CE) preparation. The Question and answers have been prepared according to the Civil Engineering (CE) exam syllabus. Information about The drainage density is thea)average length of the streams per unit drainage area within the basinb)stream discharge per unit drainage areac)annual runoff per unit drainage aread)number of streams per unit drainage areaCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Civil Engineering (CE) 2026 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The drainage density is thea)average length of the streams per unit drainage area within the basinb)stream discharge per unit drainage areac)annual runoff per unit drainage aread)number of streams per unit drainage areaCorrect answer is option 'A'. Can you explain this answer?.
The drainage density is thea)average length of the streams per unit drainage area within the basinb)stream discharge per unit drainage areac)annual runoff per unit drainage aread)number of streams per unit drainage areaCorrect answer is option 'A'. Can you explain this answer? for Civil Engineering (CE) 2026 is part of Civil Engineering (CE) preparation. The Question and answers have been prepared according to the Civil Engineering (CE) exam syllabus. Information about The drainage density is thea)average length of the streams per unit drainage area within the basinb)stream discharge per unit drainage areac)annual runoff per unit drainage aread)number of streams per unit drainage areaCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Civil Engineering (CE) 2026 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The drainage density is thea)average length of the streams per unit drainage area within the basinb)stream discharge per unit drainage areac)annual runoff per unit drainage aread)number of streams per unit drainage areaCorrect answer is option 'A'. Can you explain this answer?.
Solutions for The drainage density is thea)average length of the streams per unit drainage area within the basinb)stream discharge per unit drainage areac)annual runoff per unit drainage aread)number of streams per unit drainage areaCorrect answer is option 'A'. Can you explain this answer? in English & in Hindi are available as part of our courses for Civil Engineering (CE). Download more important topics, notes, lectures and mock test series for Civil Engineering (CE) Exam by signing up for free.
Here you can find the meaning of The drainage density is thea)average length of the streams per unit drainage area within the basinb)stream discharge per unit drainage areac)annual runoff per unit drainage aread)number of streams per unit drainage areaCorrect answer is option 'A'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of The drainage density is thea)average length of the streams per unit drainage area within the basinb)stream discharge per unit drainage areac)annual runoff per unit drainage aread)number of streams per unit drainage areaCorrect answer is option 'A'. Can you explain this answer?, a detailed solution for The drainage density is thea)average length of the streams per unit drainage area within the basinb)stream discharge per unit drainage areac)annual runoff per unit drainage aread)number of streams per unit drainage areaCorrect answer is option 'A'. Can you explain this answer? has been provided alongside types of The drainage density is thea)average length of the streams per unit drainage area within the basinb)stream discharge per unit drainage areac)annual runoff per unit drainage aread)number of streams per unit drainage areaCorrect answer is option 'A'. Can you explain this answer? theory, EduRev gives you an ample number of questions to practice The drainage density is thea)average length of the streams per unit drainage area within the basinb)stream discharge per unit drainage areac)annual runoff per unit drainage aread)number of streams per unit drainage areaCorrect answer is option 'A'. Can you explain this answer? tests, examples and also practice Civil Engineering (CE) tests.
| Explore Courses for Civil Engineering (CE) exam | |
Top Courses for Civil Engineering (CE)
Explore Courses
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
