Laboratory experiments for seawater intrusion into freshwater aquifer with heterogeneity

Maekawa, Keisuke ; Karasaki, Kenji*; Takasu, Tamio*

It is important for safety assessment of high-level radioactive waste geologic disposal to understand groundwater flow in deep underground accurately. In order to understand the behavior of seawater intrusion into freshwater in deep underground, we constructed a laboratory equipment, "Mini-MACRO" (MAss transport Characterization in host ROck). We created several cases of experimental conditions to observe the seawater intrusion behavior into two-layered stratum against various hydraulic gradients and densities of saltwater. We confirmed that the results using this equipment match numerical results under simple heterogeneous condition.

Language	:	English
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Meeting title	:	American Geophysical Union 2007 Fall Meeting (AGU 2007)
Held date	:	2007/12
Location (city)	:	San Francisco
Location (country)	:	U.S.A.
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Keywords	:	no keyword
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Cooperating Institute	:	Lawrence Berkeley National Laboratory

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Registration No. : BB20072271
JAEA Abstracts No. :
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