potentiomap: Build Potentiometric Surfaces and Flow Arrows

Builds potentiometric surface products from groundwater monitoring data. The package prepares groundwater observations from direct water-level measurements or depth-to-water data paired with land-surface elevations, interpolates thin-plate spline surfaces by default, supports alternative and user-supplied interpolation methods, exports raster and contour products, and derives hydraulic-gradient flow arrows. Raster operations use methods from Hijmans (2025) <doi:10.32614/CRAN.package.terra>, thin-plate spline interpolation uses methods from Nychka et al. (2021) <doi:10.5065/D6W957CT>, and geostatistical interpolation uses methods from Pebesma (2004) <doi:10.1016/j.cageo.2004.03.012>.

Version:	0.1.0
Depends:	R (≥ 4.1)
Imports:	fields, grDevices, graphics, gstat, sf, stats, terra
Suggests:	testthat (≥ 3.0.0)
Published:	2026-05-29
DOI:	10.32614/CRAN.package.potentiomap (may not be active yet)
Author:	Elvin Cordero [aut, cre]
Maintainer:	Elvin Cordero <elvin.cordero at seamountgeo.com>
License:	GPL-3
NeedsCompilation:	no
Materials:	README
CRAN checks:	potentiomap results

Documentation:

Reference manual:

potentiomap.html , potentiomap.pdf

Downloads:

Package source:	potentiomap_0.1.0.tar.gz
Windows binaries:	r-devel: not available, r-release: not available, r-oldrel: not available
macOS binaries:	r-release (arm64): not available, r-oldrel (arm64): not available, r-release (x86_64): not available, r-oldrel (x86_64): not available

Linking:

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