The runoff from a catchment is estimated by the following methods: 1. Standard Tables 2. Empirical Formulae 3. Rainfall Runoff Correlation. Method # 1. Standard Tables: Observations of precipitation and the resulting runoff were taken for a number of catchments having different characteristics. Tables are prepared showing the relation between precipitation and the resulting runoff, […]
Estimation of Runoff from a Catchment | Precipitation | Geography
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Factors Affecting Runoff | Functions | Precipitation | Geography
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The factors affecting the runoff are as follows: 1. Precipitation 2. Size and Shape of the Catchment Area 3. Geographical Characteristics 4. Meteorological Characteristics 5. Drainage Net 6. Other Factors. Factor # 1. Precipitation: The runoff is clearly a function of precipitation, its intensity, its duration and its coverage. More the intensity, more will be […]
Runoff: Process and Sources | Functions | Precipitation | Geography
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In this article we will discuss about:- 1. Meaning of Runoff 2. Process of Runoff 3. Sources or Components. Meaning of Runoff: Runoff is that part of precipitation that appears in a drainage channel as surface flow in a perennial or an intermittent from. It is that part of water, which can be used for […]