“…Similarly, Suemine [2004] filled the upper and lower sections of a slip surface with bentonite to measure the water pressure of confined aquifers near the slip surface. Maruyama [1997] classified the fluctuation pattern of water pressure in confined aquifers at a specific depth, based on observations from multiple landslides.…”
Section: Groundwater Level Measurements In Boreholesmentioning
confidence: 99%
“…These two methods have been extensively used and improved since their first usages (Fig. 3) [e.g., Shin, 1976 ;Maruyama, 1997 ;Takeuchi et al ., 2001 ;Maruyama et al ., 2012 ;Katsura et al ., 2017]. Yanagihara et al .…”
Section: Surveys By Groundwater Loggingmentioning
confidence: 99%
“…Groundwater loggings have revealed that multiple aquifers exist along depth directions in some landslides [e.g., Maruyama, 1997 ;Maruyama, 2012]. It is also possible to determine if the detected groundwater zone is under pore water pressure [Maruyama, 1997]. This allows for the estimation of the groundwater zone that is acting to destabilize the landslide.…”
“…Similarly, Suemine [2004] filled the upper and lower sections of a slip surface with bentonite to measure the water pressure of confined aquifers near the slip surface. Maruyama [1997] classified the fluctuation pattern of water pressure in confined aquifers at a specific depth, based on observations from multiple landslides.…”
Section: Groundwater Level Measurements In Boreholesmentioning
confidence: 99%
“…These two methods have been extensively used and improved since their first usages (Fig. 3) [e.g., Shin, 1976 ;Maruyama, 1997 ;Takeuchi et al ., 2001 ;Maruyama et al ., 2012 ;Katsura et al ., 2017]. Yanagihara et al .…”
Section: Surveys By Groundwater Loggingmentioning
confidence: 99%
“…Groundwater loggings have revealed that multiple aquifers exist along depth directions in some landslides [e.g., Maruyama, 1997 ;Maruyama, 2012]. It is also possible to determine if the detected groundwater zone is under pore water pressure [Maruyama, 1997]. This allows for the estimation of the groundwater zone that is acting to destabilize the landslide.…”
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