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Higher Study | Hydrology

The most suitable chemical which can be applied to the water surface for reducing evaporation is
Which of the following methods is used to estimate flood discharge based on high water marks left over in the past ?
S-curve Hydrograph is the hydrograph
Cumulus clouds have a tendency to produce?
The clouds that produce steady rainfall are?
The wavelengths at which electromagnetic radiations are partially or wholly transmitted through atmosphere are known as:
Select the correct option considering the following statements.  a) The effective rainfall is uniformly distributed within its duration of specified period of time. b) The effective rainfall is distributed throughout the whole area of the drainage basin.
When the size of water droplets is under 0.5 mm and its intensity is < 1 mm per hour, what is it called as?
When there is an increase in the atmospheric pressure, the water level in a well penetrating a confined aquifer
When rain falls as water droplets of size less than 0.5 mm, so light in weight to appear as floating in air, is termed as:-
A stilling well is required when the stage measurement is made by employing:
When raindrops evaporate before reaching the earth while passing through dry air, it is called?
Orographic rain occurs when the air is cooled sufficiently as a result of
An 8-hour storm with incremental rainfall during each successive hour is tabulated herewith. What will be the correction to total runoff when, whereas the actual ϕ index was 0.5 cm/hour, a wrong magnitude of 0.6 cm/hour was adopted in computing the total runoff? Time from start (hour) Incremental rainfall in each hour (cm) 1 0.4 2 0.8 3 1.2 4 0.9 5 1.8 6 1.0 7 0.3 8 0.8
Statement I): When a loop rating curve is prepared at a gauging station when a flood wave passes, the maximum discharge occurs earlier than the maximum stage. Statement II): When a flood wave passes through a reach, during rising stages, some water may get into depressions on the floodplains of the river and, may be, only part of this spill returns to the channel runoff when flood levels recede.
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