Function to estimate the initial parameters of the Theis solution
theis_solution_initial(ptest)
ptest | Object of a pumping_test class |
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A list with the values of \(a\) and \(t0\)
Theis, C. The relation between the lowering of the piezometric surface and the rate and duration of discharge of a well using groundwater storage. Transactions of the American Geophysical Union, 1935, 2, 519-524
Other theis functions: exponential_integral
,
theis_WF_LT_dlogt
,
theis_WF_LT
,
theis_calculate_parameters
,
theis_solution_dlogt
,
theis_solution
,
theis_well_function_large
,
theis_well_function_small
,
theis_well_function
# Data from a confined aquifer data(theis) ptest <- pumping_test('Well1', Q = 1.3e-3, r = 200, t = theis$t, s = theis$s) res <- theis_solution_initial(ptest) print(res)#> $a #> [1] 1.534881 #> #> $t0 #> [1] 245.0811 #>