In this article we will discuss about:- 1. Meaning of Runoff Hydrograph 2. Components of Hydrograph 3. Factors Affecting the Shape 4. Base Flow Separation. Meaning of Runoff Hydrograph: Hydrograph is a graphical or tabular presentation of instantaneous runoff/discharge rate against time. Sometimes, it is also known as storm hydrograph, flood hydrograph or simply hydrograph. […]
Runoff Hydrograph: Meaning, Components and Factors | Geography
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How to Compute Runoff Using Unit Hydrograph? | Geography
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In this article we will discuss about how to compute runoff caused due to rainfall using unit hydrograph. Introduction to Unit Hydrograph: If two identical rainfalls regarding their characteristics take place in a drainage basin having the same conditions prior to the rainfall, the runoff hydrographs from the two storms would be the same. This […]
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 […]