Tag Archives | Rainfall

Rain Gauges for the Measurement of Rainfall

Following four types are the most widely used recording rain gauges: Type # 1. Symon’s Rain Gauge: The Indian Meteorological Department has adopted Symon's rain gauge (Fig. 2.3). A glass bottle and funnel with brass rim are put in a metallic cylinder such that the top of the cylinder is 30.5 cm above the ground level. Rain water falls into [...]

By |2016-12-23T06:15:51+00:00December 23, 2016|Hydrology|Comments Off on Rain Gauges for the Measurement of Rainfall
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Estimation of the Average Depth of Rainfall

Over a large area like watershed (or catchment) of a stream, there will be several such stations, and the average depth of rainfall over the entire area can be estimated by one of the following methods: 1. Arithmetic Mean Method: This is the simplest method in which average depth of rainfall is obtained by obtaining the sum of the depths [...]

By |2016-12-23T06:15:51+00:00December 23, 2016|Hydrology|Comments Off on Estimation of the Average Depth of Rainfall
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