The mass curve of rainfall of a storm is a plot ofa)rainfall depths fo...
The mass curve of rainfall of a storm is a plot of accumulated precipitation against time in chronological order. It shows how the total rainfall changes over time during a storm. It is useful for understanding how much and how quickly rainfall will accumulate during a storm, which can help with flood forecasting and stormwater management. The mass curve can also help to identify how much rainfall is concentrated in a short period of time ( peak rainfall rate) and how much rainfall is spread over the duration of the storm.
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The mass curve of rainfall of a storm is a plot ofa)rainfall depths fo...
Explanation:
The mass curve of rainfall of a storm is a graphical representation of the accumulated precipitation (in millimeters) over time (in hours). It is a useful tool for water resources engineering and hydrology, as it allows us to estimate the storage capacity of a catchment area, and the runoff from it.
The mass curve is plotted by adding the incremental rainfall depths (in millimeters) at each time interval (in hours). The plot is a cumulative sum of the rainfall depths, and it is plotted against the time axis.
The mass curve can be used to determine the following:
- Total rainfall depth: The total rainfall depth can be obtained by reading the value of the mass curve at the end of the storm.
- Maximum rainfall intensity: The maximum rainfall intensity can be obtained by finding the steepest slope on the mass curve.
- Time to peak rainfall intensity: The time to peak rainfall intensity can be obtained by finding the time at which the steepest slope occurs.
- Time to end of storm: The time to end of storm can be obtained by finding the time at which the mass curve reaches a plateau.
The mass curve is a useful tool for designing drainage systems, as it can help to estimate the peak runoff rate, and the storage capacity of the system.
The mass curve of rainfall of a storm is a plot ofa)rainfall depths fo...
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