Hydrology & Water Resources Engineering 5 min read
Unit Hydrograph
Definition of Unit Hydrograph This method was first suggested by Sherman in 1932 · A unit hydrograph is defined as the…
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Hydrology & Water Resources Engineering 5 min read
Base Flow Separation
Methods of Base Flow Separation The surface-flow hydrograph is obtained from the total storm hydrograph by separating the quick-response flow…
Hydrology & Water Resources Engineering 4 min read
Stream Flow Hydrograph
Definition of Hydrograph The hydrograph which results due to an isolated storm is typically singlepeaked skew distribution of discharge and…
Hydrology & Water Resources Engineering 22 min read
Measurement of Runoff
Most hydrologic analyses involve runoff from a drainage area, and hence its measurement is of vital importance. If precipitation and…
Hydrology & Water Resources Engineering 5 min read
Estimation of Runoff-II
SCS Curve Number Method This method is developed by the Soil Conservation Service (SCS) in 1969. It is now known…
Hydrology & Water Resources Engineering 9 min read
Estimation of Runoff-I
Empirical Formulae In the past, many empirical formulae have been developed, but these are applicable only to the region where…
Hydrology & Water Resources Engineering 5 min read
Components of Runoff and Factors Affecting Runoff
Components of Runoff Runoff means the draining or flowing off of precipitation from a catchment area through a surface channel…
Hydrology & Water Resources Engineering 5 min read
Channel Characteristics of Watersheds
Number of Channels and their Order Identification of first-order channels is the first step in applying channel order in hydrology.…
Hydrology & Water Resources Engineering 4 min read
Physical Characteristics of Watersheds
Watershed Area Basin area is defined as the area contained within the vertical projection of the drainage divide on a…
Hydrology & Water Resources Engineering 8 min read
Types of Watersheds
Definition of Drainage Basin It is defined as, “any portion of the earth’s surface within a physical boundary defined by…
