यदि किसी नदी बेसिन में पक्की सतहें बढ़ जाएँ और वनस्पति घट जाए तो hydrograph में कौन-सा परिवर्तन अपेक्षित है?
If paved surfaces increase and vegetation decreases in a river basin, what change is expected in the hydrograph?
Explanation opens after your attempt
B. छोटा lag time और अधिक peak dischargeShorter lag time and higher peak discharge
Concept
Paved surfaces reduce infiltration and increase quick runoff. For exams, link urban basins with flashy hydrographs.
Why this answer is correct
The correct answer is B. छोटा lag time और अधिक peak discharge / Shorter lag time and higher peak discharge. Paved surfaces reduce infiltration and increase quick runoff. For exams, link urban basins with flashy hydrographs.
Exam Tip
पक्की सतहें infiltration घटाती हैं और तेज runoff बढ़ाती हैं। परीक्षा में urban basin को flashy hydrograph से जोड़ें।
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