Showing posts with label Hydrology. Show all posts
Showing posts with label Hydrology. Show all posts
Hydrology and Water Resources Engineering Hand Written Notes
Content
Hydrology
Hydrological cycle, Ground water hydrology, Well hydrology and related ,data analysis; Streams and their gauging; River morphology; Flood,drought and their management; Capacity of Reservoirs.
Water Resources Engineering :
Multipurpose uses of Water, River ,basins and their potential; Irrigation systems, water demand assessment; Resources - storages and their yields; Water logging, canal and drainage design, Gravity dams, falls, weirs, Energy dissipaters, barrage Distribution works, Cross drainage works and head-works and their design; Concepts in canal design, construction & maintenance; River training, measurement and analysis of rainfall.
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Types of Precipitation
It denotes all the different process by which moisture reaches the earth surface from the atmosphere .
Following are the different types of precipitation
Rain :
This is most the most dominant form of precipitation in India and it denotes water droplets
which sizes varies from 0.5mm to 6 mm .
On the basis of intensity rainfall is classified as
0 - 2.5 mm/hour Light
2.5 -7.5 mm/hour Medium
>7.5 mm/hour heavy
India annual average rainfall =119 cmm
Snow
These are ice crystal having a density of 0.1 g/cc.
Drizzle
These are fine droplets of water whose size is less than .5 mm and intensity is less then 1 mm/hour .
Glaze
When droplets of water comes in contact with cold ground surface (approximately at 0 degree celsius ) then droplets of water is converted into ice .which is called as Glaze .
Sleet
These frozen rain drop of transparent in nature
Hail
These are lumps of ice which are greater than 8 mm called Hail.
if lumps smaller than 5 mm called as Graupel.
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Rain :
This is most the most dominant form of precipitation in India and it denotes water droplets
which sizes varies from 0.5mm to 6 mm .
On the basis of intensity rainfall is classified as
0 - 2.5 mm/hour Light
2.5 -7.5 mm/hour Medium
>7.5 mm/hour heavy
India annual average rainfall =119 cmm
Snow
These are ice crystal having a density of 0.1 g/cc.
Drizzle
These are fine droplets of water whose size is less than .5 mm and intensity is less then 1 mm/hour .
Glaze
When droplets of water comes in contact with cold ground surface (approximately at 0 degree celsius ) then droplets of water is converted into ice .which is called as Glaze .
Sleet
These frozen rain drop of transparent in nature
Hail
These are lumps of ice which are greater than 8 mm called Hail.
if lumps smaller than 5 mm called as Graupel.
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