Geology topics
Ta-liang Teng
Publications and source records attributed to Ta-liang Teng.
Earthquake hazard research in the Los Angeles Basin and its offshore area
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Deepwell monitoring of strain-sensitive parameters over the greater Southern California uplift
Several wells and springs near active faults in southern California have been monitored for the concentration of Rn, Na + , K + , Mg +2 , and Cl - for periods of up to 24 months, in an effort to see if any of these constituents show variations which may be related to seismic activity. Radon might reflect either a change in the rock surface area to pore volume ratio or a change in groundwater flow characteristics. The chemistry may change with a change in the flow characteristics. Only a few of these sites have shown significant fluctuations in either radon or chemistry. Data from cold springs are consistent with a model in which ionic constituents are controlled by reactions in the soil zone and radon concentrations are controlled by flow rates in the aquifer.
Deepwell monitoring of strain-sensitive parameters over the Greater Southern California uplift
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A Multi-purpose crustal strain observatory, Dalton Tunnel complex, San Gabriel Mountains
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