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Chapter two: Precipitation - GitHub Pages

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Chapter two: Precipitation What is Precipitation ? Precipitation is that part of atmospheric moisture that reaches the earth s surface in different forms The essential requirement of for Precipitation to occur: Moisture in the atmosphere Presence of nuclei around which condensation vapor takes place Dynamic cooling responsible for condensation of water vapor Precipitation product must reach the ground in some form Forms of Precipitation (ppt): Rain: when ppt reaches the surface of the earth as droplets of water (size: ) Snow.

set of data. Specifically, given a set of measurements on two random variables, y and x, regression provides a means for finding the values of the coefficients a and b for the straight line (y = a+ bx) that best fits the data. The coefficients a and b can be found using least square method using the following two equations simultaneously

  Name, Variable, Random, Two random variables

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4. INFILTRATION - GitHub Pages

mgebrekiros.github.io

Infiltration, the -index, the Philip infiltration and the Green -Ampt infiltration equations. 4.3.1 Horton infiltration In general, for a given constant storm, infiltration rates tend to decrease with time. The initial infiltration rate is the rate prevailing …

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3. EVAPORATION - GitHub Pages

mgebrekiros.github.io

Figure 3.1 Saturated vapor pressure as a function of temperature over water. Point C has vapor pressure e and temperature T, for which the saturated vapor pressure e s. The temperature at which the air is saturated for vapor pressure e is the dew-point temperature T d. Figure 3.1 shows the saturation vapor pressure curve and the T d and T, e s

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