Infiltration is the process in which water penetrates the soil surface. The infiltration rate initially high and becomes constant over time is called the basic infiltration velocity (VIB), which is very important for several areas, and is therefore based on the design of irrigation systems, as well as planning actions that minimize environmental impacts caused by erosion. In order to determine VIB, the double ring method is usually used, simultaneously recording the water level values with a ruler and the accumulated time. After that, the data is adjusted on a computer using mathematical models. The application called TEDI allows the user to annotate the ruler values quickly and interactively, eventually generating cumulative infiltration and velocity curves as a function of time from the empirical model of Kostiakov (1932).
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