kitagawa: Spectral Response of Water Wells to Harmonic Strain and Pressure Signals

Provides tools to calculate the theoretical hydrodynamic response of an aquifer undergoing harmonic straining or pressurization, or analyze measured responses. There are two classes of models here, designed for use with confined aquifers: (1) for sealed wells, based on the model of Kitagawa et al (2011, <doi:10.1029/2010JB007794>), and (2) for open wells, based on the models of Cooper et al (1965, <doi:10.1029/JZ070i016p03915>), Hsieh et al (1987, <doi:10.1029/WR023i010p01824>), Rojstaczer (1988, <doi:10.1029/JB093iB11p13619>), Liu et al (1989, <doi:10.1029/JB094iB07p09453>), and Wang et al (2018, <doi:10.1029/2018WR022793>). Wang's solution is a special exception which allows for leakage out of the aquifer (semi-confined); it is equivalent to Hsieh's model when there is no leakage (the confined case). These models treat strain (or aquifer head) as an input to the physical system, and fluid-pressure (or water height) as the output. The applicable frequency band of these models is characteristic of seismic waves, atmospheric pressure fluctuations, and solid earth tides.

Version:	3.1.0
Depends:	R (≥ 2.10.1), stats
Imports:	Bessel, kelvin (≥ 1.2.0), psd (≥ 2.0.0)
Suggests:	dplyr, tibble, RColorBrewer, signal, testthat, knitr, rmarkdown, formatR, covr
Published:	2020-06-24
Author:	Andrew J. Barbour [aut, cre], Jonathan Kennel [ctb]
Maintainer:	Andrew J. Barbour <andy.barbour at gmail.com>
BugReports:	https://github.com/abarbour/kitagawa/issues
License:	GPL-2 | GPL-3 [expanded from: GPL (≥ 2)]
URL:	https://github.com/abarbour/kitagawa
NeedsCompilation:	no
Materials:	README NEWS
CRAN checks:	kitagawa results

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