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Vapor flow control in dune sediments under dry bare soil conditions
(Elsevier, 2021-09)
Article
Restricted access - publisher's policyThe study presents daily values of inward and outward vapor flux crossing the soil-atmosphere boundary in dependence on meteorological parameters and soil moisture. Measurements of vapor flux, soil moisture and meteorological ... -
Applicability of Landsat 8 thermal infrared sensor for identifying submarine groundwater discharge springs in the Mediterranean Sea basin
(2021-09)
Article
Open AccessSubmarine groundwater discharge (SGD) has received increasing attention over the past two decades as a source of nutrients, trace elements, and ocean pollutants that may alter coastal biogeochemical cycles. Assessing SGD ... -
On the validity of the null current assumption for modeling sorptive reactive transport and electro-diffusion in porous media
(2021-08)
Article
Open AccessIn multispecies electrolyte solutions, each individual species can migrate according to its specific ionic properties. This process is called electrochemical migration or electro-diffusion and is well-described by the ... -
Benchmark study of simulators for thermo-hydraulic modelling of low enthalpy geothermal processes
(2021-11)
Article
Open AccessIn order to assess the thermo-hydraulic modelling capabilities of various geothermal simulators, a comparative test suite was created, consisting of a set of cases designed with conditions relevant to the low-enthalpy range ... -
New perspectives on the use of 224Ra/228Ra and 222Rn/226Ra activity ratios in groundwater studies
(Elsevier, 2021-05)
Article
Restricted access - publisher's policyThe naturally occurring Ra isotopes (223Ra; T1/2 = 11.4 d, 224Ra; T1/2 = 3.66 d, 226Ra; T1/2 = 1,600 y, and 228Ra; T1/2 = 5.7 y) and Rn (222Rn; T1/2 = 3.82 d) have been widely applied as environmental tracers. The application ... -
Random-walk modeling of reactive transport in porous media with a reduced-order chemical basis of conservative components
(2021-04)
Article
Open AccessIn this work we employ a reduced-order basis of conservative chemical components to model reactive transport using a Lagrangian (particle tracking) method. While this practice is well-understood in the Eulerian (grid-based) ... -
Heat dissipation test with fiber-optic distributed temperature sensing to estimate groundwater flux
(2021-03)
Article
Open AccessWe measure groundwater flux and thermal parameters around a borehole performing a heat dissipation test by heating the armor of a single fiber-optic cable and interpreting the resulting heating curves with a new analytical ... -
Automatic calibration of groundwater models with bias correction and data filtering: working with drawdown data
(2021-03)
Article
Open AccessThe drawdown response to a hydraulic stress contains crucial information to characterize an aquifer. Modeling drawdowns is far easier than modeling heads because they are subject to homogeneous (zero) internal sink/sources, ... -
Modeling the fate of UV filters in subsurface: co-metabolic degradation and the role of biomass in sorption processes
(Elsevier, 2020-01)
Article
Open AccessUltraviolet filters (UVFs) are emerging organic compounds found in most water systems. They are constituents of personal care products, as well as industrial ones. The concentration of UVFs in the water bodies in space and ... -
Coupling flow, heat, and reactive transport modeling to reproduce in situ redox potential evolution: application to an infiltration pond
(2020-10)
Article
Open AccessRedox potential (Eh) measurements are widely used as indicators of the dominant reduction–oxidation reactions occurring underground. Yet, Eh data are mostly used in qualitative terms, as actual values cannot be used to ... -
Evidence of groundwater vulnerability to climate variability and economic growth in coastal Kenya
(Elsevier, 2020-07)
Article
Restricted access - publisher's policyClimate change and future abstraction regimes will influence the availability of groundwater resources. To alleviate any potential negative effects on aquifer systems and dependent industrial and human uses, it is important ... -
Analytical solution to assess the induced seismicity potential of faults in pressurized and depleted reservoirs
(2021-01)
Article
Open AccessDisplaced faults crossing the reservoir could significantly increase the induced earthquake frequency in geo-energy projects. Understanding and predicting the stress variation in such cases is essential to minimize the ...
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