Articles | Volume 21, issue 2
https://doi.org/10.5194/hess-21-721-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/hess-21-721-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Modeling 3-D permeability distribution in alluvial fans using facies architecture and geophysical acquisitions
College of Resource Environment and Tourism, Capital Normal University, Laboratory Cultivation Base of Environment Process and Digital Simulation, Beijing, China
Huili Gong
CORRESPONDING AUTHOR
College of Resource Environment and Tourism, Capital Normal University, Laboratory Cultivation Base of Environment Process and Digital Simulation, Beijing, China
Zhenxue Dai
College of Construction Engineering, Jilin University, Changchun, 130021, China
Earth and Environmental Sciences Division, Los Alamos National Laboratory, Los Alamos, New Mexico, USA
Gaoxuan Guo
Beijing Institute of Hydrogeology and Engineering Geology, Beijing, China
Pietro Teatini
Department of Civil, Environmental and Architectural Engineering, University of Padova, Padova, Italy
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Huijun Li, Lin Zhu, Gaoxuan Guo, Yan Zhang, Zhenxue Dai, Xiaojuan Li, Linzhen Chang, and Pietro Teatini
Nat. Hazards Earth Syst. Sci., 21, 823–835, https://doi.org/10.5194/nhess-21-823-2021, https://doi.org/10.5194/nhess-21-823-2021, 2021
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We propose a method that integrates fuzzy set theory and a weighted Bayesian model to evaluate the hazard probability of land subsidence based on Interferometric Synthetic Aperture Radar technology. The proposed model can represent the uncertainty and ambiguity in the evaluation process, and results can be compared to traditional qualitative methods.
Jiahui Zhou, Lin Zhu, Huili Gong, Huijun Li, Liping Zheng, Rui Cheng, and Hanrui Sun
Proc. IAHS, 382, 391–396, https://doi.org/10.5194/piahs-382-391-2020, https://doi.org/10.5194/piahs-382-391-2020, 2020
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Land subsidence is a serious geo-hazard in Beijing Plain, which has threatened the safety of the operation of the metropolis. This study derived the vertical and the East-West deformation, and the spatial variation and the impact factors of the vertical and the East-West deformation were analyzed. It found that the extraction of groundwater is the dominant factor affecting the spatial distribution of the vertical displacement, while the dominant factor of East-West deformation is not obvious.
Di Zhou, Jie Yu, Lin Zhu, Yanbing Wang, Jing Zhang, Shuai Jiao, and Ren Shu Chen
Proc. IAHS, 382, 249–253, https://doi.org/10.5194/piahs-382-249-2020, https://doi.org/10.5194/piahs-382-249-2020, 2020
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To overcome the problem that layover scatterers with no amplitude stability and spatial coherence are lead to reliability insufficient and accuracy reduction in monitoring urban land subsidence, we applied the Fast Fourier Transform to convert Persistent Scatterers to frequency domain during the PS-InSAR identification process. The method could identify and separate single and layover scatterers, reduced the effect of layover scatterers, improved the accuracy of urban land subsidence monitoring.
Huijun Li, Lin Zhu, Huili Gong, Hanrui Sun, and Jie Yu
Proc. IAHS, 382, 505–510, https://doi.org/10.5194/piahs-382-505-2020, https://doi.org/10.5194/piahs-382-505-2020, 2020
Lin Guo, Huili Gong, Xiaojuan Li, Lin Zhu, Wei Lv, and Mingyuan Lyu
Proc. IAHS, 382, 291–296, https://doi.org/10.5194/piahs-382-291-2020, https://doi.org/10.5194/piahs-382-291-2020, 2020
Yueting Li, Matteo Frigo, Yan Zhang, Lin Zhu, Massimiliano Ferronato, Carlo Janna, Xulong Gong, Jun Yu, Pietro Teatini, and Shujun Ye
Proc. IAHS, 382, 511–514, https://doi.org/10.5194/piahs-382-511-2020, https://doi.org/10.5194/piahs-382-511-2020, 2020
Luo Yong, Zhao Long, Zhu Lin, Tian Fang, Lei Kunchao, and Sun Aihua
Proc. IAHS, 382, 715–719, https://doi.org/10.5194/piahs-382-715-2020, https://doi.org/10.5194/piahs-382-715-2020, 2020
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This article established a groundwater–subsidence model in a typical land subsidence region and classified an early land subsidence warning zone based on the results from the model. If the pumping of groundwater from the second and fourth aquifers was reduced by 50 % and pumping from the third aquifer was reduced by 60 %, the early warning level for land subsidence would be greatly reduced and would meet the requirements for land subsidence control.
S. Jiao, J. Yu, Y. Wang, L. Zhu, and Q. Zhou
Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLII-3, 691–698, https://doi.org/10.5194/isprs-archives-XLII-3-691-2018, https://doi.org/10.5194/isprs-archives-XLII-3-691-2018, 2018
L. Zhu, J. Yu, Y. Liu, H. Gong, Y. Chen, and B. Chen
Proc. IAHS, 372, 227–229, https://doi.org/10.5194/piahs-372-227-2015, https://doi.org/10.5194/piahs-372-227-2015, 2015
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The earth fissures of geological structure are visualized in three dimensional domains through a volumetric modeling method. The topological relations between TIN, triangular prism and lines are constructed for further spatial calculation. This method can facilitate the mechanism for studying fissures.
F. Tian, J.-R. Liu, Y. Luo, L. Zhu, Y. Yang, and Y. Zhou
Proc. IAHS, 372, 49–52, https://doi.org/10.5194/piahs-372-49-2015, https://doi.org/10.5194/piahs-372-49-2015, 2015
Huijun Li, Lin Zhu, Gaoxuan Guo, Yan Zhang, Zhenxue Dai, Xiaojuan Li, Linzhen Chang, and Pietro Teatini
Nat. Hazards Earth Syst. Sci., 21, 823–835, https://doi.org/10.5194/nhess-21-823-2021, https://doi.org/10.5194/nhess-21-823-2021, 2021
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We propose a method that integrates fuzzy set theory and a weighted Bayesian model to evaluate the hazard probability of land subsidence based on Interferometric Synthetic Aperture Radar technology. The proposed model can represent the uncertainty and ambiguity in the evaluation process, and results can be compared to traditional qualitative methods.
Claudia Zoccarato, Torbjörn E. Törnqvist, Pietro Teatini, and Jonathan G. Bridgeman
Proc. IAHS, 382, 565–570, https://doi.org/10.5194/piahs-382-565-2020, https://doi.org/10.5194/piahs-382-565-2020, 2020
Roberto Tomás, José Luis Pastor, Marta Béjar-Pizarro, Roberta Bonì, Pablo Ezquerro, José Antonio Fernández-Merodo, Carolina Guardiola-Albert, Gerardo Herrera, Claudia Meisina, Pietro Teatini, Francesco Zucca, Claudia Zoccarato, and Andrea Franceschini
Proc. IAHS, 382, 353–359, https://doi.org/10.5194/piahs-382-353-2020, https://doi.org/10.5194/piahs-382-353-2020, 2020
Pietro Teatini, Cristina Da Lio, Luigi Tosi, Alessandro Bergamasco, Stefano Pasqual, Paolo Simonini, Veronica Girardi, Paolo Zorzan, Claudia Zoccarato, Massimiliano Ferronato, Marcella Roner, Marco Marani, Andrea D'Alpaos, Simonetta Cola, and Giuseppe Zambon
Proc. IAHS, 382, 345–351, https://doi.org/10.5194/piahs-382-345-2020, https://doi.org/10.5194/piahs-382-345-2020, 2020
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An in-situ loading test was carried out in the Lazzaretto Nuovo salt-marsh in the Venice Lagoon, Italy. The test was aimed at characterizing the geotechnical properties of soils forming the marsh sedimentary body deposits. In fact porosity and compressibility are of paramount importance to quantify consolidation versus accretion and relative sea level rise. The fate of coastal marshlands in the next future will strongly depend of these processes.
Roberta Bonì, Claudia Meisina, Pietro Teatini, Francesco Zucca, Claudia Zoccarato, Andrea Franceschini, Pablo Ezquerro, Marta Béjar-Pizarro, José A. Fernández-Merodo, Carolina Guardiola-Albert, José L. Pastor, Roberto Tomás, and Gerardo Herrera
Proc. IAHS, 382, 409–414, https://doi.org/10.5194/piahs-382-409-2020, https://doi.org/10.5194/piahs-382-409-2020, 2020
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The potential of the integrated use of A-DInSAR data and 3D groundwater flow and geomechanical models to capture and assess aquifer dynamics is performed. The approach has been applied to investigate the response during and after pumping of a portion of the Madrid aquifer. The short time delay (about one month) between the groundwater pumping and the system response (land displacements) are likely due to a minor role played by the clayey layers.
Laura Gazzola, Massimiliano Ferronato, Matteo Frigo, Pietro Teatini, Claudia Zoccarato, Anna Antonia Irene Corradi, Maria Carolina Dacome, Ernesto Della Rossa, Michela De Simoni, and Stefano Mantica
Proc. IAHS, 382, 457–462, https://doi.org/10.5194/piahs-382-457-2020, https://doi.org/10.5194/piahs-382-457-2020, 2020
Massimiliano Ferronato, Matteo Frigo, Laura Gazzola, Pietro Teatini, and Claudia Zoccarato
Proc. IAHS, 382, 83–87, https://doi.org/10.5194/piahs-382-83-2020, https://doi.org/10.5194/piahs-382-83-2020, 2020
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The regular monitoring of radioactive marker positions along a vertical borehole can provide in-situ measurements of deep rock compaction. Developed in the ‘70s, in recent years the effectiveness of this technology has been often debated. The present communication analyses the state of the art of the radioactive marker technique and provides a critical review on the role that these measurements might play in the future evolution of land subsidence monitoring and modelling.
Luigi Bruno, Bruno Campo, Bianca Costagli, Esther Stouthamer, Pietro Teatini, Claudia Zoccarato, and Alessandro Amorosi
Proc. IAHS, 382, 285–290, https://doi.org/10.5194/piahs-382-285-2020, https://doi.org/10.5194/piahs-382-285-2020, 2020
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The effects of land subsidence could be devastating on heavily settled coastal plains. In a scenario of sea-level rise, high costs are expected to protect coastal cities and touristic hotspots and to keep drained reclaimed lands. In this work, we calculated subsidence rates (SR) in the Po coastal plain, over the last 5.6 and 120 thousand years, providing information about land movements before human intervention became the main driver of subsidence, through water and gas withdrawal.
Jiahui Zhou, Lin Zhu, Huili Gong, Huijun Li, Liping Zheng, Rui Cheng, and Hanrui Sun
Proc. IAHS, 382, 391–396, https://doi.org/10.5194/piahs-382-391-2020, https://doi.org/10.5194/piahs-382-391-2020, 2020
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Land subsidence is a serious geo-hazard in Beijing Plain, which has threatened the safety of the operation of the metropolis. This study derived the vertical and the East-West deformation, and the spatial variation and the impact factors of the vertical and the East-West deformation were analyzed. It found that the extraction of groundwater is the dominant factor affecting the spatial distribution of the vertical displacement, while the dominant factor of East-West deformation is not obvious.
Di Zhou, Jie Yu, Lin Zhu, Yanbing Wang, Jing Zhang, Shuai Jiao, and Ren Shu Chen
Proc. IAHS, 382, 249–253, https://doi.org/10.5194/piahs-382-249-2020, https://doi.org/10.5194/piahs-382-249-2020, 2020
Short summary
Short summary
To overcome the problem that layover scatterers with no amplitude stability and spatial coherence are lead to reliability insufficient and accuracy reduction in monitoring urban land subsidence, we applied the Fast Fourier Transform to convert Persistent Scatterers to frequency domain during the PS-InSAR identification process. The method could identify and separate single and layover scatterers, reduced the effect of layover scatterers, improved the accuracy of urban land subsidence monitoring.
Luigi Tosi, Cristina Da Lio, Sandra Donnici, Tazio Strozzi, and Pietro Teatini
Proc. IAHS, 382, 689–695, https://doi.org/10.5194/piahs-382-689-2020, https://doi.org/10.5194/piahs-382-689-2020, 2020
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The Venice coastland forms the major low-lying area in Italy and encompasses a variety of environments, such as farmlands, estuaries, deltas, lagoons and urbanized areas. Since most of the territory lies at a ground elevation below or slightly above the mean sea-level, also a few mm/yr of land subsidence can seriously impacts on the coastal system. In this study, we present an analysis of the vulnerability to relative sea-level rise (RSLR) considering an uneven land subsidence distribution.
Huijun Li, Lin Zhu, Huili Gong, Hanrui Sun, and Jie Yu
Proc. IAHS, 382, 505–510, https://doi.org/10.5194/piahs-382-505-2020, https://doi.org/10.5194/piahs-382-505-2020, 2020
Matteo Frigo, Massimiliano Ferronato, Laura Gazzola, Pietro Teatini, Claudia Zoccarato, Massimo Antonelli, Anna Antonia Irene Corradi, Maria Carolina Dacome, Michela De Simoni, and Stefano Mantica
Proc. IAHS, 382, 449–455, https://doi.org/10.5194/piahs-382-449-2020, https://doi.org/10.5194/piahs-382-449-2020, 2020
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The numerical prediction of land subsidence above producing reservoirs can be affected by a number of uncertainties due to several factors. In this work, we use a Bayesian approach to reduce the initial uncertainties about the mechanical parameters in order to improve the reliability of land subsidence predictions.
The numerical results obtained in an experiment on a real-world gas field confirms that is a valuable and effective approach.
Giovanni Isotton, Pietro Teatini, Raffaele Stefanelli, Massimiliano Ferronato, Carlo Janna, Matteo Cerri, and Timur Gukov
Proc. IAHS, 382, 475–480, https://doi.org/10.5194/piahs-382-475-2020, https://doi.org/10.5194/piahs-382-475-2020, 2020
Lin Guo, Huili Gong, Xiaojuan Li, Lin Zhu, Wei Lv, and Mingyuan Lyu
Proc. IAHS, 382, 291–296, https://doi.org/10.5194/piahs-382-291-2020, https://doi.org/10.5194/piahs-382-291-2020, 2020
Mariano Cerca, Dora Carreón-Freyre, and Pietro Teatini
Proc. IAHS, 382, 433–436, https://doi.org/10.5194/piahs-382-433-2020, https://doi.org/10.5194/piahs-382-433-2020, 2020
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This work reports results of experiments made in analogue materials reproducing the occurrence and propagation of fractures associated with land subsidence driven by groundwater pumping. We compare the physical experimental model results with a numerical model that tests the development of stresses above a bedrock ridge that forms the base of an aquifer.
Yueting Li, Matteo Frigo, Yan Zhang, Lin Zhu, Massimiliano Ferronato, Carlo Janna, Xulong Gong, Jun Yu, Pietro Teatini, and Shujun Ye
Proc. IAHS, 382, 511–514, https://doi.org/10.5194/piahs-382-511-2020, https://doi.org/10.5194/piahs-382-511-2020, 2020
Luo Yong, Zhao Long, Zhu Lin, Tian Fang, Lei Kunchao, and Sun Aihua
Proc. IAHS, 382, 715–719, https://doi.org/10.5194/piahs-382-715-2020, https://doi.org/10.5194/piahs-382-715-2020, 2020
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This article established a groundwater–subsidence model in a typical land subsidence region and classified an early land subsidence warning zone based on the results from the model. If the pumping of groundwater from the second and fourth aquifers was reduced by 50 % and pumping from the third aquifer was reduced by 60 %, the early warning level for land subsidence would be greatly reduced and would meet the requirements for land subsidence control.
Pietro Teatini, Claudia Zoccarato, Massimiliano Ferronato, Andrea Franceschini, Matteo Frigo, Carlo Janna, and Giovanni Isotton
Proc. IAHS, 382, 539–545, https://doi.org/10.5194/piahs-382-539-2020, https://doi.org/10.5194/piahs-382-539-2020, 2020
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A critical issue concerning geomechanical safety for underground gas storage in compartmentalized reservoirs is fault reactivation. An in-depth modelling investigation was carried out for the typical UGS geological setting and operations in the Netherlands. The specific goals of the study are explaining the mechanisms responsible for seismic events unexpectedly recorded during UGS phases and understanding which are the critical factors that increase the probability of fault reactivation.
Luigi Tosi, Cristina Da Lio, Pietro Teatini, Antonio Menghini, and Andrea Viezzoli
Proc. IAHS, 379, 387–392, https://doi.org/10.5194/piahs-379-387-2018, https://doi.org/10.5194/piahs-379-387-2018, 2018
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We have depicted the continental and marine surficial water–groundwater interactions in a large portion of the coastland encompassing the southern Venice lagoon and the northern Po river delta. The saltwater-fresh water transition zone is very irregularly-shaped and mainly depends on the morphologic setting and the subsoil architecture. An over-consolidated Pleistocene clay layer and buried Holocene sandy paleo-channels and paleo-ridge systems controlled the
saltwater-fresh water exchanges.
S. Jiao, J. Yu, Y. Wang, L. Zhu, and Q. Zhou
Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLII-3, 691–698, https://doi.org/10.5194/isprs-archives-XLII-3-691-2018, https://doi.org/10.5194/isprs-archives-XLII-3-691-2018, 2018
Pietro Teatini, Giovanni Isotton, Stefano Nardean, Massimiliano Ferronato, Annamaria Mazzia, Cristina Da Lio, Luca Zaggia, Debora Bellafiore, Massimo Zecchin, Luca Baradello, Francisco Cellone, Fabiana Corami, Andrea Gambaro, Giovanni Libralato, Elisa Morabito, Annamaria Volpi Ghirardini, Riccardo Broglia, Stefano Zaghi, and Luigi Tosi
Hydrol. Earth Syst. Sci., 21, 5627–5646, https://doi.org/10.5194/hess-21-5627-2017, https://doi.org/10.5194/hess-21-5627-2017, 2017
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We investigate the effects of digging a navigable canal on the hydrogeological system underlying a coastal lagoon. The research has been promoted by the Venice Water Authority, which is investigating different possibilities to avoid the passage of large cruise ships through the historic center of Venice, Italy. Numerical simulations supported by a proper hydrogeological characterization show that the exchange of water and contaminants from the subsurface and surface systems will be significant.
Ahmad Ali Behroozmand, Pietro Teatini, Jesper Bjergsted Pedersen, Esben Auken, Omar Tosatto, and Anders Vest Christiansen
Hydrol. Earth Syst. Sci., 21, 1527–1545, https://doi.org/10.5194/hess-21-1527-2017, https://doi.org/10.5194/hess-21-1527-2017, 2017
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Within the framework of the EU project IMPROWARE, our goal was to investigate a Mediterranean coastal aquifer in Egypt and develop scenarios for artificial aquifer remediation and recharge. The results of an extensive hydrogeophysical investigation were successfully used as an input in regional and local hydrological models to understand the hydrological evolution of the area. The research outcomes clearly highlight the effectiveness of using advanced geophysical and modeling methodologies.
L. Zhu, J. Yu, Y. Liu, H. Gong, Y. Chen, and B. Chen
Proc. IAHS, 372, 227–229, https://doi.org/10.5194/piahs-372-227-2015, https://doi.org/10.5194/piahs-372-227-2015, 2015
Short summary
Short summary
The earth fissures of geological structure are visualized in three dimensional domains through a volumetric modeling method. The topological relations between TIN, triangular prism and lines are constructed for further spatial calculation. This method can facilitate the mechanism for studying fissures.
C. Zoccarato, D. Baù, F. Bottazzi, M. Ferronato, G. Gambolati, S. Mantica, and P. Teatini
Proc. IAHS, 372, 351–356, https://doi.org/10.5194/piahs-372-351-2015, https://doi.org/10.5194/piahs-372-351-2015, 2015
A. Franceschini, P. Teatini, C. Janna, M. Ferronato, G. Gambolati, S. Ye, and D. Carreón-Freyre
Proc. IAHS, 372, 63–68, https://doi.org/10.5194/piahs-372-63-2015, https://doi.org/10.5194/piahs-372-63-2015, 2015
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The stress variation induced by overdraft of aquifers in sedimentary basins may cause ground rupture in the form of activation of pre-existing faults or earth fissure generation. The process is severely threatening many areas in China and Mexico. Ruptures yield discontinuity in the displacement and stress fields that classic finite element (FE) models cannot address. We proved how Lagrangian approach provides more stable solutions than Penalty approach.
L. Tosi, T. Strozzi, C. Da Lio, and P. Teatini
Proc. IAHS, 372, 199–205, https://doi.org/10.5194/piahs-372-199-2015, https://doi.org/10.5194/piahs-372-199-2015, 2015
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Eighty regular TerraSAR-X acquisitions over the 2008-2011 period significantly improve the subsidence monitoring at the Venice coastland. Settlements of 30-35 mm/yr have been detected at the three lagoon inlets in correspondence of the MoSE works. The Venice and Chioggia historical centers show local sinking bowls up to 10 mm/yr connected with the construction of new large buildings or restoration works. In the city of Venice, the mean subsidence of 1.1±1.0 mm/yr confirms its general stability.
S. Ye, Y. Wang, J. Wu, P. Teatini, J. Yu, X. Gong, and G. Wang
Proc. IAHS, 372, 249–253, https://doi.org/10.5194/piahs-372-249-2015, https://doi.org/10.5194/piahs-372-249-2015, 2015
S. Ye, Y. Luo, J. Wu, P. Teatini, H. Wang, and X. Jiao
Proc. IAHS, 372, 443–448, https://doi.org/10.5194/piahs-372-443-2015, https://doi.org/10.5194/piahs-372-443-2015, 2015
G. Isotton, M. Ferronato, G. Gambolati, and P. Teatini
Proc. IAHS, 372, 519–523, https://doi.org/10.5194/piahs-372-519-2015, https://doi.org/10.5194/piahs-372-519-2015, 2015
F. Tian, J.-R. Liu, Y. Luo, L. Zhu, Y. Yang, and Y. Zhou
Proc. IAHS, 372, 49–52, https://doi.org/10.5194/piahs-372-49-2015, https://doi.org/10.5194/piahs-372-49-2015, 2015
L. Tosi, E. E. Kruse, F. Braga, E. S. Carol, S. C. Carretero, J. L. Pousa, F. Rizzetto, and P. Teatini
Nat. Hazards Earth Syst. Sci., 13, 523–534, https://doi.org/10.5194/nhess-13-523-2013, https://doi.org/10.5194/nhess-13-523-2013, 2013
Related subject area
Subject: Groundwater hydrology | Techniques and Approaches: Stochastic approaches
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Data assimilation with multiple types of observation boreholes via the ensemble Kalman filter embedded within stochastic moment equations
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Scalable statistics of correlated random variables and extremes applied to deep borehole porosities
Observed groundwater temperature response to recent climate change
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Investigation of solute transport in nonstationary unsaturated flow fields
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Andrea Manzoni, Giovanni Michele Porta, Laura Guadagnini, Alberto Guadagnini, and Monica Riva
Hydrol. Earth Syst. Sci., 28, 2661–2682, https://doi.org/10.5194/hess-28-2661-2024, https://doi.org/10.5194/hess-28-2661-2024, 2024
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We introduce a comprehensive methodology that combines multi-objective optimization, global sensitivity analysis (GSA) and 3D groundwater modeling to analyze subsurface flow dynamics across large-scale domains. In this way, we effectively consider the inherent uncertainty associated with subsurface system characterizations and their interactions with surface waterbodies. We demonstrate the effectiveness of our proposed approach by applying it to the largest groundwater system in Italy.
Cécile Coulon, Jeremy T. White, Alexandre Pryet, Laura Gatel, and Jean-Michel Lemieux
Hydrol. Earth Syst. Sci., 28, 303–319, https://doi.org/10.5194/hess-28-303-2024, https://doi.org/10.5194/hess-28-303-2024, 2024
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In coastal areas, groundwater managers require information on the risk of well salinization associated with various pumping scenarios. We developed a modeling approach to identify the optimal tradeoff between groundwater pumping and probability of salinization, considering model parameter and historical observation uncertainty as well as uncertainty in sea level and recharge projections. The workflow can be implemented in a wide range of coastal settings.
Chloé Fandel, Ty Ferré, François Miville, Philippe Renard, and Nico Goldscheider
Hydrol. Earth Syst. Sci., 27, 4205–4215, https://doi.org/10.5194/hess-27-4205-2023, https://doi.org/10.5194/hess-27-4205-2023, 2023
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From the surface, it is hard to tell where underground cave systems are located. We developed a computer model to create maps of the probable cave network in an area, based on the geologic setting. We then applied our approach in reverse: in a region where an old cave network was mapped, we used modeling to test what the geologic setting might have been like when the caves formed. This is useful because understanding past cave formation can help us predict where unmapped caves are located today.
Tuvia Turkeltaub and Golan Bel
Hydrol. Earth Syst. Sci., 27, 289–302, https://doi.org/10.5194/hess-27-289-2023, https://doi.org/10.5194/hess-27-289-2023, 2023
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Groundwater is an essential resource affected by climate conditions and anthropogenic activities. Estimations of groundwater recharge under current and future climate conditions require long-term climate records that are scarce. Different methods to synthesize climate data, based on observations, are used to estimate groundwater recharge. In terms of groundwater recharge estimation, the best synthesis method is based on the daily statistics corrected to match the observed monthly statistics.
Lisa Maria Ringel, Mohammadreza Jalali, and Peter Bayer
Hydrol. Earth Syst. Sci., 26, 6443–6455, https://doi.org/10.5194/hess-26-6443-2022, https://doi.org/10.5194/hess-26-6443-2022, 2022
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Fractured rocks host a class of aquifers that serve as major freshwater resources worldwide. This work is dedicated to resolving the three-dimensional hydraulic and structural properties of fractured rock. For this purpose, hydraulic tomography experiments at the Grimsel Test Site in Switzerland are utilized, and the discrete fracture network is inverted. The comparison of the inversion results with independent findings from other studies demonstrates the validity of the approach.
Lisa Baulon, Nicolas Massei, Delphine Allier, Matthieu Fournier, and Hélène Bessiere
Hydrol. Earth Syst. Sci., 26, 2829–2854, https://doi.org/10.5194/hess-26-2829-2022, https://doi.org/10.5194/hess-26-2829-2022, 2022
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Aquifers often act as low-pass filters, dampening high-frequency (intra-annual) and amplifying low-frequency (LFV, multi-annual to multidecadal) variabilities originating from climate variability. By processing groundwater level signals, we show the key role of LFV in the occurrence of groundwater extremes (GWEs). Results highlight how changes in LFV may impact future GWEs as well as the importance of correct representation of LFV in general circulation model outputs for GWE projection.
Huiying Ren, Erol Cromwell, Ben Kravitz, and Xingyuan Chen
Hydrol. Earth Syst. Sci., 26, 1727–1743, https://doi.org/10.5194/hess-26-1727-2022, https://doi.org/10.5194/hess-26-1727-2022, 2022
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We used a deep learning method called long short-term memory (LSTM) to fill gaps in data collected by hydrologic monitoring networks. LSTM accounted for correlations in space and time and nonlinear trends in data. Compared to a traditional regression-based time-series method, LSTM performed comparably when filling gaps in data with smooth patterns, while it better captured highly dynamic patterns in data. Capturing such dynamics is critical for understanding dynamic complex system behaviors.
Ching-Min Chang, Chuen-Fa Ni, We-Ci Li, Chi-Ping Lin, and I-Hsien Lee
Hydrol. Earth Syst. Sci., 25, 2387–2397, https://doi.org/10.5194/hess-25-2387-2021, https://doi.org/10.5194/hess-25-2387-2021, 2021
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A transfer function to describe the variation in the integrated specific discharge in response to the temporal variation in the rainfall event in the frequency domain is developed. It can be used to quantify the variability in the integrated discharge field induced by the variation in rainfall field or to simulate the discharge response of the system to any varying rainfall input, at any time resolution, using the convolution model.
Chuan-An Xia, Xiaodong Luo, Bill X. Hu, Monica Riva, and Alberto Guadagnini
Hydrol. Earth Syst. Sci., 25, 1689–1709, https://doi.org/10.5194/hess-25-1689-2021, https://doi.org/10.5194/hess-25-1689-2021, 2021
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Our study shows that (i) monitoring wells installed with packers provide the (overall) best conductivity estimates; (ii) conductivity estimates anchored on information from partially and fully screened wells are of similar quality; (iii) inflation of the measurement-error covariance matrix can improve conductivity estimates when a simplified flow model is adopted; and (iv) when compared to the MC-based EnKF, the MEs-based EnKF can efficiently and accurately estimate conductivity and head fields.
Alraune Zech, Peter Dietrich, Sabine Attinger, and Georg Teutsch
Hydrol. Earth Syst. Sci., 25, 1–15, https://doi.org/10.5194/hess-25-1-2021, https://doi.org/10.5194/hess-25-1-2021, 2021
Valentin Dall'Alba, Philippe Renard, Julien Straubhaar, Benoit Issautier, Cédric Duvail, and Yvan Caballero
Hydrol. Earth Syst. Sci., 24, 4997–5013, https://doi.org/10.5194/hess-24-4997-2020, https://doi.org/10.5194/hess-24-4997-2020, 2020
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Due to climate and population evolution, increased pressure is put on the groundwater resource, which calls for better understanding and models. In this paper, we describe a novel workflow to model the geological heterogeneity of coastal aquifers and apply it to the Roussillon plain (southern France). The main strength of the workflow is its capability to model aquifer heterogeneity when only sparse data are available while honoring the local geological trends and quantifying uncertainty.
Daniel Erdal and Olaf A. Cirpka
Hydrol. Earth Syst. Sci., 24, 4567–4574, https://doi.org/10.5194/hess-24-4567-2020, https://doi.org/10.5194/hess-24-4567-2020, 2020
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Assessing model sensitivities with ensemble-based methods can be prohibitively expensive when large parts of the plausible parameter space result in model simulations with nonrealistic results. In a previous work, we used the method of active subspaces to create a proxy model with the purpose of filtering out such unrealistic runs at low cost. This work details a notable improvement in the efficiency of the original sampling scheme, without loss of accuracy.
Christian Lehr and Gunnar Lischeid
Hydrol. Earth Syst. Sci., 24, 501–513, https://doi.org/10.5194/hess-24-501-2020, https://doi.org/10.5194/hess-24-501-2020, 2020
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A screening method for the fast identification of well-specific peculiarities in hydrographs of groundwater head monitoring networks is suggested and tested. The only information required is a set of time series of groundwater head readings all measured at the same instants of time. The results were used to check the data for measurement errors and to identify wells with possible anthropogenic influence.
Ching-Fu Chang and Yoram Rubin
Hydrol. Earth Syst. Sci., 23, 2417–2438, https://doi.org/10.5194/hess-23-2417-2019, https://doi.org/10.5194/hess-23-2417-2019, 2019
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Estimates of hydrologic responses at ungauged watersheds can be conditioned on information transferred from other gauged watersheds. This paper presents an approach to consider the variable controls on information transfer among watersheds under different conditions while at the same time featuring uncertainty representation in both the model structure and the model parameters.
Soumendra N. Bhanja, Abhijit Mukherjee, R. Rangarajan, Bridget R. Scanlon, Pragnaditya Malakar, and Shubha Verma
Hydrol. Earth Syst. Sci., 23, 711–722, https://doi.org/10.5194/hess-23-711-2019, https://doi.org/10.5194/hess-23-711-2019, 2019
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Groundwater depletion in India has been a much-debated issue in recent years. Here we investigate long-term, spatiotemporal variation in prevailing groundwater recharge rates across India. Groundwater recharge rates have been estimated based on field-scale groundwater-level measurements and the tracer injection approach; recharge rates from the two estimates compared favorably. The role of precipitation in controlling groundwater recharge is studied.
Yoram Rubin, Ching-Fu Chang, Jiancong Chen, Karina Cucchi, Bradley Harken, Falk Heße, and Heather Savoy
Hydrol. Earth Syst. Sci., 22, 5675–5695, https://doi.org/10.5194/hess-22-5675-2018, https://doi.org/10.5194/hess-22-5675-2018, 2018
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This paper addresses questions related to the adoption of stochastic methods in hydrogeology, looking at factors such as environmental regulations, financial incentives, higher education, and the collective feedback loop involving these factors. We show that stochastic hydrogeology's blind spot is in focusing on risk while ignoring uncertainty, to the detriment of its potential clients. The imbalance between the treatments of risk and uncertainty is shown to be common to multiple disciplines.
Adrian A. S. Barfod, Troels N. Vilhelmsen, Flemming Jørgensen, Anders V. Christiansen, Anne-Sophie Høyer, Julien Straubhaar, and Ingelise Møller
Hydrol. Earth Syst. Sci., 22, 5485–5508, https://doi.org/10.5194/hess-22-5485-2018, https://doi.org/10.5194/hess-22-5485-2018, 2018
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The focus of this study is on the uncertainty related to using multiple-point statistics (MPS) for stochastic modeling of the upper 200 m of the subsurface. The main research goal is to showcase how MPS methods can be used on real-world hydrogeophysical data and show how the uncertainty related to changing the underlying MPS setup propagates into the finalized 3-D subsurface models.
Susanne A. Benz, Peter Bayer, Gerfried Winkler, and Philipp Blum
Hydrol. Earth Syst. Sci., 22, 3143–3154, https://doi.org/10.5194/hess-22-3143-2018, https://doi.org/10.5194/hess-22-3143-2018, 2018
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Climate change is one of the most pressing challenges modern society faces. Increasing temperatures are observed both above ground and, as discussed here, in the groundwater – the source of most drinking water. Within Austria average temperature increased by 0.7 °C over the past 20 years, with an increase of more than 3 °C in some wells and temperature decrease in others. However, these extreme changes can be linked to local events such as the construction of a new drinking water supply.
Aronne Dell'Oca, Monica Riva, and Alberto Guadagnini
Hydrol. Earth Syst. Sci., 21, 6219–6234, https://doi.org/10.5194/hess-21-6219-2017, https://doi.org/10.5194/hess-21-6219-2017, 2017
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We propose new metrics to assist global sensitivity analysis of Earth systems. Our approach allows assessing the impact of model parameters on the first four statistical moments of a target model output, allowing us to ascertain which parameters can affect some moments of the model output pdf while being uninfluential to others. Our approach is fully compatible with analysis in the context of model complexity reduction, design of experiment, uncertainty quantification and risk assessment.
Anne-Sophie Høyer, Giulio Vignoli, Thomas Mejer Hansen, Le Thanh Vu, Donald A. Keefer, and Flemming Jørgensen
Hydrol. Earth Syst. Sci., 21, 6069–6089, https://doi.org/10.5194/hess-21-6069-2017, https://doi.org/10.5194/hess-21-6069-2017, 2017
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We present a novel approach for 3-D geostatistical simulations. It includes practical strategies for the development of realistic 3-D training images and for incorporating the diverse geological and geophysical inputs together with their uncertainty levels (due to measurement inaccuracies and scale mismatch). Inputs consist of well logs, seismics, and an existing 3-D geomodel. The simulation domain (45 million voxels) coincides with the Miocene unit over 2810 km2 across the Danish–German border.
Johannes Christoph Haas and Steffen Birk
Hydrol. Earth Syst. Sci., 21, 2421–2448, https://doi.org/10.5194/hess-21-2421-2017, https://doi.org/10.5194/hess-21-2421-2017, 2017
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We show that the variability of groundwater levels within an Alpine river valley is more strongly affected by human impacts on rivers than by extreme events in precipitation. The influence of precipitation is found to be more pronounced in the shallow wells of the Alpine foreland. Groundwater levels, river stages and precipitation behave more similar under drought than under flood conditions and generally exhibit a tendency towards more similar behavior in the most recent decade.
Anne F. Van Loon, Rohini Kumar, and Vimal Mishra
Hydrol. Earth Syst. Sci., 21, 1947–1971, https://doi.org/10.5194/hess-21-1947-2017, https://doi.org/10.5194/hess-21-1947-2017, 2017
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Summer 2015 was extremely dry in Europe, hampering groundwater supply to irrigation and drinking water. For effective management, the groundwater situation should be monitored in real time, but data are not available. We tested two methods to estimate groundwater in near-real time, based on satellite data and using the relationship between rainfall and historic groundwater levels. The second method gave a good spatially variable representation of the 2015 groundwater drought in Europe.
Boujemaa Ait-El-Fquih, Mohamad El Gharamti, and Ibrahim Hoteit
Hydrol. Earth Syst. Sci., 20, 3289–3307, https://doi.org/10.5194/hess-20-3289-2016, https://doi.org/10.5194/hess-20-3289-2016, 2016
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We derive a new dual ensemble Kalman filter (EnKF) for state-parameter estimation. The derivation is based on the one-step-ahead smoothing formulation, and unlike the standard dual EnKF, it is consistent with the Bayesian formulation of the state-parameter estimation problem and uses the observations in both state smoothing and forecast. This is shown to enhance the performance and robustness of the dual EnKF in experiments conducted with a two-dimensional synthetic groundwater aquifer model.
Yabin Sun, Dadiyorto Wendi, Dong Eon Kim, and Shie-Yui Liong
Hydrol. Earth Syst. Sci., 20, 1405–1412, https://doi.org/10.5194/hess-20-1405-2016, https://doi.org/10.5194/hess-20-1405-2016, 2016
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This study applies artificial neural networks (ANN) to predict the groundwater table variations in a tropical wetland in Singapore. Surrounding reservoir levels and rainfall are selected as ANN inputs. The limited number of inputs eliminates the data-demanding restrictions inherent in the physical-based numerical models. The forecast is made at 4 locations with 3 leading times up to 7 days. The ANN forecast shows promising accuracy with decreasing performance when leading time progresses.
J. P. Bloomfield, B. P. Marchant, S. H. Bricker, and R. B. Morgan
Hydrol. Earth Syst. Sci., 19, 4327–4344, https://doi.org/10.5194/hess-19-4327-2015, https://doi.org/10.5194/hess-19-4327-2015, 2015
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To improve the design of drought monitoring networks and water resource management during episodes of drought, there is a need for a better understanding of spatial variations in the response of aquifers to major meteorological droughts. This paper is the first to describe a suite of methods to quantify such variations. Using an analysis of groundwater level data for a case study from the UK, the influence of catchment characteristics on the varied response of groundwater to droughts is explored
A. Guadagnini, S. P. Neuman, T. Nan, M. Riva, and C. L. Winter
Hydrol. Earth Syst. Sci., 19, 729–745, https://doi.org/10.5194/hess-19-729-2015, https://doi.org/10.5194/hess-19-729-2015, 2015
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Previously we have shown that many earth-system and other variables can be viewed as samples from scale mixtures of truncated fractional Brownian motion or fractional Gaussian noise. Here we study statistical scaling of extreme absolute increments associated with such samples. As a real example we analyze neutron porosities from deep boreholes in diverse depositional units. Phenomena we uncover are relevant to the analysis of fluid flow and solute transport in complex hydrogeologic environments.
K. Menberg, P. Blum, B. L. Kurylyk, and P. Bayer
Hydrol. Earth Syst. Sci., 18, 4453–4466, https://doi.org/10.5194/hess-18-4453-2014, https://doi.org/10.5194/hess-18-4453-2014, 2014
X. L. He, T. O. Sonnenborg, F. Jørgensen, and K. H. Jensen
Hydrol. Earth Syst. Sci., 18, 2943–2954, https://doi.org/10.5194/hess-18-2943-2014, https://doi.org/10.5194/hess-18-2943-2014, 2014
W. Kurtz, H.-J. Hendricks Franssen, P. Brunner, and H. Vereecken
Hydrol. Earth Syst. Sci., 17, 3795–3813, https://doi.org/10.5194/hess-17-3795-2013, https://doi.org/10.5194/hess-17-3795-2013, 2013
C.-M. Chang and H.-D. Yeh
Hydrol. Earth Syst. Sci., 16, 4049–4055, https://doi.org/10.5194/hess-16-4049-2012, https://doi.org/10.5194/hess-16-4049-2012, 2012
A. Guadagnini, M. Riva, and S. P. Neuman
Hydrol. Earth Syst. Sci., 16, 3249–3260, https://doi.org/10.5194/hess-16-3249-2012, https://doi.org/10.5194/hess-16-3249-2012, 2012
C.-M. Chang and H.-D. Yeh
Hydrol. Earth Syst. Sci., 16, 641–648, https://doi.org/10.5194/hess-16-641-2012, https://doi.org/10.5194/hess-16-641-2012, 2012
L. Li, H. Zhou, H. J. Hendricks Franssen, and J. J. Gómez-Hernández
Hydrol. Earth Syst. Sci., 16, 573–590, https://doi.org/10.5194/hess-16-573-2012, https://doi.org/10.5194/hess-16-573-2012, 2012
M. Siena, A. Guadagnini, M. Riva, and S. P. Neuman
Hydrol. Earth Syst. Sci., 16, 29–42, https://doi.org/10.5194/hess-16-29-2012, https://doi.org/10.5194/hess-16-29-2012, 2012
C.-F. Ni, C.-P. Lin, S.-G. Li, and J.-S. Chen
Hydrol. Earth Syst. Sci., 15, 2291–2301, https://doi.org/10.5194/hess-15-2291-2011, https://doi.org/10.5194/hess-15-2291-2011, 2011
H. Murakami, X. Chen, M. S. Hahn, Y. Liu, M. L. Rockhold, V. R. Vermeul, J. M. Zachara, and Y. Rubin
Hydrol. Earth Syst. Sci., 14, 1989–2001, https://doi.org/10.5194/hess-14-1989-2010, https://doi.org/10.5194/hess-14-1989-2010, 2010
C.-M. Chang and H.-D. Yeh
Hydrol. Earth Syst. Sci., 14, 719–727, https://doi.org/10.5194/hess-14-719-2010, https://doi.org/10.5194/hess-14-719-2010, 2010
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Short summary
We developed a method to characterize the distribution and variance of the hydraulic conductivity k in a multiple-zone alluvial fan by fusing multiple-source data. Consistently with the scales of the sedimentary transport energy, the k variance of the various facies decreases from the upper to the lower portion along the flow direction. The 3-D distribution of k is consistent with that of the facies. The potentialities of the proposed approach are tested on the Chaobai River megafan, China.
We developed a method to characterize the distribution and variance of the hydraulic...