WHAT IS TRANSPIRATION ? and FACTORS AFFECTING TRANSPIRATION
TRANSPIRATION Transpiration is the process by which water vapour leaves the living plant body, principally the leaves, and enters the…
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 :…
CAUSES AND ILL- EFFECTS OF FLOODS
CAUSES OF FLOODS The causes of flooding are : 1. Intense rainfall 2. Topography of the catchment 3. Sedimentation of…