Beyond classical observations in hydrogeology: The advantages of including exchange flux, temperature, tracer concentration, residence time, and soil moisture …

OS Schilling, PG Cook, P Brunner - Reviews of Geophysics, 2019 - Wiley Online Library
Traditionally, groundwater and surface water flow models have been calibrated against two
observation types: hydraulic heads and surface water discharge. It has repeatedly been …

[Књига][B] Thermal use of shallow groundwater

F Stauffer, P Bayer, P Blum, NM Giraldo, W Kinzelbach - 2013 - books.google.com
The thermal use of the shallow subsurface is increasingly being promoted and implemented
as one of many promising measures for saving energy. A series of questions arises …

Simultaneous identification of a contaminant source and hydraulic conductivity via the restart normal-score ensemble Kalman filter

T Xu, JJ Gómez-Hernández - Advances in Water Resources, 2018 - Elsevier
Detecting where and when a contaminant entered an aquifer from observations
downgradient of the source is a difficult task; this identification becomes more challenging …

[Књига][B] Hydrogeology: groundwater science and engineering

A Dassargues - 2018 - taylorfrancis.com
This text combines the science and engineering of hydrogeology in an accessible,
innovative style. As well as providing physical descriptions and characterisations of …

Characterizing groundwater flow and heat transport in fractured rock using fiber‐optic distributed temperature sensing

T Read, O Bour, V Bense, T Le Borgne… - Geophysical …, 2013 - Wiley Online Library
We show how fully distributed space‐time measurements with Fiber‐Optic Distributed
Temperature Sensing (FO‐DTS) can be used to investigate groundwater flow and heat …

Joint identification of contaminant source location, initial release time, and initial solute concentration in an aquifer via ensemble Kalman filtering

T Xu, JJ Gómez‐Hernández - Water Resources Research, 2016 - Wiley Online Library
When a contaminant is detected in a drinking well, source location, initial contaminant
release time, and initial contaminant concentration are, in many cases, unknown; the …

Drought conditions maximize the impact of high‐frequency flow variations on thermal regimes and biogeochemical function in the hyporheic zone

X Song, X Chen, J Stegen, G Hammond… - Water Resources …, 2018 - Wiley Online Library
Anthropogenic activities, especially dam operations, often induce larger and more frequent
stage fluctuations than those occurring in natural rivers. However, long‐term impacts of such …

Heat tracer test in an alluvial aquifer: Field experiment and inverse modelling

M Klepikova, S Wildemeersch, T Hermans, P Jamin… - Journal of …, 2016 - Elsevier
Using heat as an active tracer for aquifer characterization is a topic of increasing interest. In
this study, we investigate the potential of using heat tracer tests for characterization of a …

A comparison between ES-MDA and restart EnKF for the purpose of the simultaneous identification of a contaminant source and hydraulic conductivity

T Xu, JJ Gómez-Hernández, Z Chen, C Lu - Journal of Hydrology, 2021 - Elsevier
Understanding a contaminant source may help in a better management and risk assessment
of a polluted aquifer. However, contaminant source information may not be available when a …

Non-point contaminant source identification in an aquifer using the ensemble smoother with multiple data assimilation

T Xu, W Zhang, JJ Gómez-Hernández, Y **e, J Yang… - Journal of …, 2022 - Elsevier
Proper identification of groundwater contaminant sources is vital to assess groundwater
contamination. However, the majority of previous studies focuses on point source …