INTENSITY-DURATION CURVE, INTENSITY-DURATION-FREQUENCY (IDF) CURVE and DEPTH-DURATION-FREQUENCY CURVE | HYDROLOGY
INTENSITY-DURATION CURVE It has been observed in practice that the greater is the intensity of rainfall, the shorter is the…
METHODS TO FIND AVERAGE RAINFALL DEPTH OVER AN AREA | HYDROLOGY
AVERAGE RAINFALL DEPTH OVER AN AREA The rainfall recorded by a raingauge represents the rainfall at that station. It is…
ESTIMATION OF MISSING RAINFALL DATA | HYDROLOGY
ESTIMATION OF MISSING RAINFALL DATA Before analysing the rainfall data of a region, it is necessary to check its continuity.…
HYDROLOGIC CYCLE
HYDROLOGIC CYCLE Water can exist in gaseous, liquid or solid state. It is circulated on the planet earth mainly by…
OPTIMUM NUMBER OF RAINGAUGES | HYDROLOGY
DESIGN OF RAINGAUGE NETWORK Optimum number of raingauges is always necessary to have a correct average rainfall. According to Indian…
MASS RAINFALL CURVE AND HYETOGRAPH | HYDROLOGY
MASS RAINFALL CURVE The mass rainfall curve is a plot between the accumulated rainfall at a station as ordinate and…
TYPES OF PRECIPITATION | HYDROLOGY
TYPES OF PRECIPITATION Depending upon the factors responsible for lifting and cooling of air, there are five types precipitation :…
FLOOD DAMAGES
FLOOD DAMAGES There are two types of flood damages : 1) Direct damage 2) Indirect damage 1) Direct damage :…
RAINWATER HARVESTING TECHNIQUES IN WATERSHED | WATERSHED MANAGEMENT
RAINWATER HARVESTING IN WATERSHED The watersheds of the country have different characteristics such as rainfall, soil and climate and hence…
MEASUREMENT OF STAGE | ENGINEERING HYDROLOGY
MEASUREMENT OF STAGE The stage of a river is defined as its water-surface clevation measured above a datum. This datum…