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an isochrone is line on the basin map
- a)Joining raingauge stations with equal rainfallduration
- b)joining points have equal standard time
- c)connecting points have equal time of travelof the surface runoff to th catchment outlet
- d)that connects points of equal rainfall depthin a given time interva
Correct answer is option 'C'. Can you explain this answer?
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an isochrone is line on the basin mapa)Joining raingauge stations with...
Explanation:
Isochrone is a line on the basin map that connects points having equal time of travel of the surface runoff to the catchment outlet. In other words, it is a line that connects points having the same time of concentration.
Time of concentration is defined as the time required for the runoff to reach the outlet of a catchment from the farthest point of the catchment. It is an important parameter in the design of hydraulic structures like culverts, bridges, and drainage systems. The time of concentration depends on various factors such as the slope of the catchment, the length of the flow path, the surface roughness, and the rainfall intensity.
Isochrone is a useful tool in hydrology as it helps in understanding the flow patterns of surface runoff in a catchment. By drawing isochrones on a basin map, one can easily identify the areas that contribute runoff to a particular point in the catchment. This information is useful in designing drainage systems and flood management plans.
Isochrones can also be used to estimate the peak flow rate of a catchment. The peak flow rate is the maximum rate of flow that occurs during a rainfall event. By knowing the time of concentration and the rainfall intensity, the peak flow rate can be estimated using various empirical formulas.
In conclusion, isochrone is a line on the basin map that connects points having equal time of travel of the surface runoff to the catchment outlet. It is a useful tool in hydrology for understanding the flow patterns of surface runoff in a catchment and designing drainage systems and flood management plans.
Isochrone is a line on the basin map that connects points having equal time of travel of the surface runoff to the catchment outlet. In other words, it is a line that connects points having the same time of concentration.
Time of concentration is defined as the time required for the runoff to reach the outlet of a catchment from the farthest point of the catchment. It is an important parameter in the design of hydraulic structures like culverts, bridges, and drainage systems. The time of concentration depends on various factors such as the slope of the catchment, the length of the flow path, the surface roughness, and the rainfall intensity.
Isochrone is a useful tool in hydrology as it helps in understanding the flow patterns of surface runoff in a catchment. By drawing isochrones on a basin map, one can easily identify the areas that contribute runoff to a particular point in the catchment. This information is useful in designing drainage systems and flood management plans.
Isochrones can also be used to estimate the peak flow rate of a catchment. The peak flow rate is the maximum rate of flow that occurs during a rainfall event. By knowing the time of concentration and the rainfall intensity, the peak flow rate can be estimated using various empirical formulas.
In conclusion, isochrone is a line on the basin map that connects points having equal time of travel of the surface runoff to the catchment outlet. It is a useful tool in hydrology for understanding the flow patterns of surface runoff in a catchment and designing drainage systems and flood management plans.
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an isochrone is line on the basin mapa)Joining raingauge stations with equal rainfalldurationb)joining points have equal standard timec)connecting points have equal time of travelof the surface runoff to th catchment outletd)that connects points of equal rainfall depthin a given time intervaCorrect answer is option 'C'. Can you explain this answer?
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