1. Name one component i, hydrologic cycle. (5%) 2, when calculating the runoff f
ID: 1712439 • Letter: 1
Question
1. Name one component i, hydrologic cycle. (5%) 2, when calculating the runoff for a precipitation, what losses should be considered? (5%) 3. Given a set of rainfall record at one station as follows. Fill out the last column. (10%) 15 minute Rainfall depth (inches) 0.88 0.85 0.83 0.78 Rank Return Period (years) 23 0.37 4, convert the rainfall depth to rainfall intensity in the table. (10%) minute Rainfall depth (inches) Rainfall intensity (in/hr) 0.47 0.24 0.33 0.17 Q:5 If a Horton infiltration equation is given by the equation, = 1262e-oora + 1.72, where t is in minutes and is in inches per hour. (a) what is the initial infiltration capacity in inches/hour? (10%) (b) what is the final constant infiltration capacity? (10%)Explanation / Answer
Q.1 There are various components of hydrological cycle such as, condensation, precipitation, infiltration, run off, evapotranspiration and evaporation.
Q.2
When precipitation occurs, part of it gets lost under various losses, such as infiltration and evapotranspiration. The ramaining flow on the surface is called the runoff. Therefore, the calculations must be made for the infiltration rate and the evapotranspiration losses, and must be deducted from the total precipitation.
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