Estimating formation-water salinity from geophysical logs
The resistivity–porosity method, explicit assumptions, and a worked GGS3114 Sedgwick well example from Thomas County, Georgia.
Methods · case studies · scientific practice
Articles & papers
Experience and methods to help the next mapping project begin with what is already known.
Papers by Lester J. Williams on recovering published science, building maintainable workflows, and making hydrogeologic frameworks easier to use. Listed newest first, with a web edition and a downloadable PDF for each paper.
Giving published geoscience a working future
How a master workbook, Python automation, and scientific review brought DS926 into a reusable publication workflow - and how the process can serve another agency's reports.
Floridan aquifer system subsurface elevation retrieval
The methods behind estimated aquifer elevations and depths: source grids, framework relationships, geographic applicability, and reusable notebooks.