A Simple Relation to Constrain Groundwater Models Using Surface Deformation. Issue 3 (23rd November 2021)

• Record Type: Journal Article
• Authors: Brown, Megan R.M.; Ge, Shemin; Screaton, Elizabeth
• Is Part Of: Ground water. Volume 60:Issue 3(2022)
• Page Start: 410
• Page End: 417
• Publication Date: 2021-11-23
• Subjects: Groundwater -- Periodicals; Wells -- Periodicals; Eau souterraine -- Périodiques; Puits -- Périodiques; Grondwater; Eau souterraine; Puits; Electronic journals; Périodique électronique (Descripteur de forme); Ressource Internet (Descripteur de forme); 551.49
• DOI: 10.1111/gwat.13148
• Languages: English
• ISSNs: 0017-467X

Abstract

Abstract: A simple relation between pore pressure change and one‐dimensional surface deformation is presented. The relation is for pore pressure change in a confined aquifer that causes surface deformation. It can be applied to groundwater models of any discretization and is computationally efficient. The estimated surface deformation from model results can be compared to observed surface deformation through geodetic techniques such as Differential Interferometric Synthetic Aperture Radar. Model parameters then are constrained using the observed surface deformation. The validity of this relation is shown through constraint of model parameters for surface uplift due to pore pressure increase caused by wastewater disposal injection. Abstract : Article impact statement : A simple one‐dimensional compaction relation is used to estimate surface deformation as a way to constrain groundwater model parameters.