jacob_lohman_G_solution: jacob_lohmna_G_solution

Description Usage Arguments Value Author(s) References See Also Examples

View source: R/jacob_lohman_utilities.R

Description

Function to calculate the discharge at the pumping well using the Jacob-Lohman solution for a constant head test (artesian aquifer)

Usage

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jacob_lohman_G_solution(ptest, a, t0, t)

Arguments

ptest

A pumping_test object

a

Slope of the straight line fitted tothe drawdown data using the Cooper-Jacob approach

t0

Intercept of the straight line fitted tothe drawdown data using the Cooper-Jacob approach

t

Numeric vector with the time values

Value

A numeric vector with the calculate discharge using the Jacob-Lohman solution

Author(s)

Oscar Garcia-Cabrejo khaors@gmail.com

References

Jacob, C. E. & Lohman, S. W. Nonsteady Flow to a Well Of Constant Drawdown. American Geophysical Union, 1952, 33, 10.

See Also

Other jacob_lohman functions: jacob_lohman_F_calculate_parameters, jacob_lohman_F_solution_initial, jacob_lohman_F_solution, jacob_lohman_F_well_function, jacob_lohman_G_WF_LT, jacob_lohman_G_calculate_parameters, jacob_lohman_G_solution_initial, jacob_lohman_G_well_function, jacob_lohman_WF_F_LT

Examples

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data(jacob_lohman)
s <- vector("numeric", length(jacob_lohman$t))
s[1:length(jacob_lohman$t)] <- 0
ptest <- pumping_test("Well1", Q = jacob_lohman$q, r = 0.0, t = jacob_lohman$t, s = s)
sol0 <- jacob_lohman_G_solution_initial(ptest)
sol <- jacob_lohman_G_solution(ptest, sol0$a, sol0$t0, ptest$t)
print(sol)

khaors/pumpingtest documentation built on Nov. 15, 2019, 8:10 p.m.