In this article we will discuss about:- 1. Meaning of Catchment Area 2. Slope of a Catchment Area 3. Relation of Catchment Area with Its Length 4. Watershed Leakage 5. Classification of Catchment Areas 6. Karst Topography 7. Catchment Flow Characteristics. Meaning of Catchment Area: Catchment area may be defined as the area from which […]
Catchment Area: Slope and Its Classification | Geography
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Estimation of Runoff from a Catchment | Precipitation | Geography
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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, […]
Measuring the Average Depth of Rainfall: 3 Methods | Atmosphere | Geography
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For any time duration, the average depth of rainfall falling over a catchment can be found by the following three methods: 1. The Arithmetic Mean Method 2. The Thiessen Polygon Method 3. The Isohyetal Method. 1. The Arithmetic Mean Method: The simplest of all is the Arithmetic Mean Method, which taken an average of all […]