Orographic precipitation occurs due to air masses being lifted to higher altitudes by
The average annual rainfall over the whole of India is estimated as
The standard Symons' type raingauge has a collecting area of diameter
The following recording raingauges does not produce the mass curve of precipitation as record:
When specific information about the density of snowfall is not available, the water equivalent -of snowfall is taken as
A, B and C are three catchments each having an area of about 10,000 km2 situated in an arid zone, mountainous region of a tropical zone and flat region of a tropical zone respectively. The desirable number of hydrometeorological stations for each of these three areas, NA, NB and NC respectively will be such that
The monthly rainfall at a place. A during September 1982 was recorded as 55 mm above normal. Here the term Normal means.
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