Engineering Hydrology - MADE EASY Study Material for GATE, ESE and SES Exams

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Population Equivalent

Average standard BOD of domestic sewage is 80 gms per person per day. The number of person which produce the

The term flood control is commonly used to denote all the measures adopted to reduce damages to life and property

The effect of storage is to redistribute the hydrograph by shifting the centroid of the inflow hydrograph to the position

Flood wave in open channels are also recognized as long progressive waves with the only difference that the movement of

Flood routing is technique of determining the flood hydrograph at a section of a river by utilising the data of

There are always some uncertainties associated with estimation of hydrological design values (such as design flood discharge and river stage

A number of unit hydrographs can be drawn for a catchment corresponding to different durations. The shape of unit hydrographs

Various components of runoff are as explained below: 1. Overland Flow : Consider a catchment area having precipitation of a

Measuring the area of cross-section of river at selected section. Gauging site must be selected with case to ensure the

Probable maximum precipitation (PMP) is the maximum possible precipitation that can reasonably be expected at a given location. Probable maximum

Drought is a climatic anomaly, characterized by deficit supply of moisture. Droughts can be classified on the following basis. a.

Snowfall is a form of precipitation, which is accumulated over a surface and after some time when it gets melted,

Various types cyclones are as follows: 1. Tropical Cyclone: A tropical cycle in India is called cyclone. In it, isobars

Various components of hydrologic cycle are as follows: 1. Evaporation: When the water come into contact with heat radiation, it