Function calculate the drawdown using the Hvorslev Solution during a slug test.

hvorslev_solution(ptest, t0, t)

Arguments

ptest

A pumpingtest object

t0

Time for which the normalized drawdown is equal to 0.37

t

A numeric vector with the time

Value

A numeric vector with the calculated drawdown

References

Hvorslev, M.J., 1951. Time Lag and Soil Permeability in Ground-Water Observations, Bull. No. 36, Waterways Exper. Sta. Corps of Engrs, U.S. Army, Vicksburg, Mississippi, pp. 1-50.

See also