Comparison of aquifer parameters inferred from water level changes induced by slug test, earth tide and earthquake – A case study in the three Gorges area

Zhang, Shouchuan; Shi, Zheming; Wang, Guangcai

doi:10.1016/j.jhydrol.2019.124169

Cited by 27 publications

(38 citation statements)

References 44 publications

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“…The hydraulic properties of the HJW well were not obtained because its tidal factor (0.06 mm/10 −9 ) is too low. The results of the DJP and MP wells are consistent with the results of Shi et al [36] and Zhang et al [37], who used the same method as our study. Table 3 shows that the permeability ranged from 10 −13 to 10 −16 m 2 and the storage coefficient is in the order of 10 −5 before the Wenchuan M W 7.9 earthquake.…”

Section: Resultssupporting

confidence: 92%

Relationship between Earthquake-Induced Hydrologic Changes and Faults

Wang

Yan

et al. 2021

Water

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Hydraulic properties of fault zones are important to understanding the pore pressure development and fault stability. In this work, we examined the relationship between water level changes caused by the 2008 Wenchuan Mw 7.9 earthquake and faults using four wells with the same lithology around the Three Gorges Dam, China. Two of the wells penetrating the fault damage zones recorded sustained water level changes, while the other two wells that are not penetrating any fault damage zones recorded transient water level changes. The phase shift and tidal factor calculated from water level, a proxy of permeability and storage coefficient, revealed that both the permeability and storage coefficient changed in the two wells penetrating the fault damage zones, while the other two wells not penetrating the fault damage zone did not show any change in permeability and storage coefficient. Thus, we tentatively suggest that faults may play an important controlling role on earthquake-induced hydrologic changes because the detrital or clogging components in the fractures may be more easily removed by seismic waves.

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Section: Resultssupporting

confidence: 92%

Relationship between Earthquake-Induced Hydrologic Changes and Faults

Wang

Yan

et al. 2021

Water

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“…For example, S. Zhang et al. (2019) pointed out differences of more than one order of magnitude in hydraulic conductivities when applying ET analysis and slug tests and attributed that to the investigated scale. Allègre et al.…”

Section: Discussionmentioning

confidence: 99%

“…Various studies derive subsurface hydraulic properties from tidally induced GW level fluctuations using the models described above (Fuentes‐Arreazola et al., 2018; Merritt, 2004; Narasimhan et al., 1984; Shen et al., 2020; H. Zhang et al., 2019). However, few method robustness evaluations exist, that is, a comparison of results with hydraulic testing such as transmissivity derived from slug testing (S. Zhang et al., 2019) or transmissivity and specific storage evaluations from a long‐term pumping test (PT) (Allègre et al., 2016). Existing comparisons focus mainly on confined aquifers and there is a lack of information about GW response to ET in shallow aquifers or under semi‐confined conditions.…”

Section: Introductionmentioning

confidence: 99%

Estimating Hydraulic Properties of the Shallow Subsurface Using the Groundwater Response to Earth and Atmospheric Tides: A Comparison With Pumping Tests

Valois

Rau

Vouillamoz

et al. 2022

Water Resources Research

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Knowledge of hydraulic and poroelastic subsurface properties is essential for groundwater (GW) resource management, especially in the context of increasing anthropogenic GW use and climate change. Classical single and cross-hole GW characterization uses an induced stimulus to generate a response that is further analyzed to derive subsurface properties. Single hole response tests (slug tests) should always be carried out because they can be easily done and involve very little effort and resources as compared to the monitoring and analysis of the atmospheric and Earth tide fluctuations. Responses from natural stimuli such as Earth tides (ET) or atmospheric tides (AT) can be however a useful approach that provides the ability to utilize existing wells and piezometers as an alternative or complementary technique to estimate these properties. When assessing hydraulic properties, the GW response to ET, barometric pressure (BP) or AT presents a passive approach and low-cost alternative compared to hydraulic testing if the time series are available (McMillan et al., 2019). While the response of GW to ET or AT has long been observed and recognized (e.g.

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“…The results inferred may differ by orders of magnitude (Sun et al, 2018). There has been some investigation into the differences between parameter values obtained from conventional hydraulic tests and those obtained from the tidal response method (Allègre et al, 2016; S. Zhang, Shi, & Wang, 2019), but relatively little is known about the ranges of applicability of the loading response methods. In this study, we compared the response function of four commonly used models and elucidate the physical mechanism of the phase lag.…”

Section: Introductionmentioning

confidence: 99%

Frequency Dependence of In Situ Transmissivity Estimation of Well‐Aquifer Systems From Periodic Loadings

Sun¹,

Shi

Xiang

2020

Water Resources Research

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Estimating the hydraulic parameters of a target aquifer is key to properly evaluating the groundwater resources. Conventional methods are costly, and measurements are infrequent. There are currently four popular methods for estimating aquifer parameters using the response of the well water level to a periodic loading. However, the differences and accuracy of the results obtained by these methods are still poorly understood. This study compares the four response models. We analyze the mechanisms of the phase lag between well water level and periodic loadings during such loading and discuss the applicability of each model. Taking the Jingle well in Shanxi Province as an example, hydraulic parameters were estimated using different models and compared. The results show that the aquifer transmissivity estimated using the periodic response methods depends on the loading frequency. This dependency is mainly determined by the difference between the actual aquifer transmissivity and the upper limit of transmissivity resolvable by the model. The tidal and barometric pressure response methods are suitable for low transmissivity aquifers, while seismic wave suitable is responsible for high transmissivity aquifers.

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Comparison of aquifer parameters inferred from water level changes induced by slug test, earth tide and earthquake – A case study in the three Gorges area

Cited by 27 publications

References 44 publications

Relationship between Earthquake-Induced Hydrologic Changes and Faults

Relationship between Earthquake-Induced Hydrologic Changes and Faults

Estimating Hydraulic Properties of the Shallow Subsurface Using the Groundwater Response to Earth and Atmospheric Tides: A Comparison With Pumping Tests

Frequency Dependence of In Situ Transmissivity Estimation of Well‐Aquifer Systems From Periodic Loadings

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