The raindrop size, shape, mass, velocity, size distribution and its direction of fall are the main characteristics of raindrop regarding soil erosion. These characteristics are described as below: Characteristic # 1. Rain Drop Size: The rain drop size has been evaluated by Lowe (1967), who caught several raindrops on a flat sheet of slate which was ruled into squares so [...]
In this article we will discuss about:- 1. Meaning of Runoff 2. Types of Runoff 3. Factors Affecting Runoff 4. Runoff Cycle 5. Computation. Meaning of Runoff: Rainfall is the primary source of water for runoff generation over the land surface. In common course of rainfall occurrence over the land surface, a part it is intercepted by the vegetations, buildings [...]
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. A hydrograph presents the total [...]