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Full-Text Articles in Physical Sciences and Mathematics
Sediment Provenance Of Tsunami Deposits: Implications For Assessing The Relative Intensity Of Paleotsunamis From The Sendai Coastline Of Japan, Tiffany Otai
Master's Theses
The 2011 Tohoku tsunami impacted the northeastern coast of Japan and caused unexpected damages due to the underestimation of this type of hazard. Of particular importance is the fact that geologic evidence for a predecessor event, the Jogan tsunami (CE 869), could have forecasted the severity of the 2011 Tohoku event. While the timing of tsunamis is important for effective hazard mitigation, outside of the 2011 Tohoku event, the intensity of past tsunamis remains unclear. To understand paleotsunami intensity, it is important to document characteristics of modern analogues like the 2011 event. This study utilizes surface distributions of foraminifera from …
Analysis Of Clastic Cave Sediment In A Fluviokarst System, Russell Cave, Northeast Alabama, Jonathan Camelo
Analysis Of Clastic Cave Sediment In A Fluviokarst System, Russell Cave, Northeast Alabama, Jonathan Camelo
Master's Theses
Russell Cave is part of a fluviokarst system located along the edge of the Cumberland Plateau in northeast Alabama. The cave system acts as a surface-subsurface drainage system transporting, depositing, and accumulating large influxes of terrestrial-derived materials (sediments, organic material, and magnetic minerals) into the subsurface system forming sediment traps. Five core sites along various discontinuous sediment banks were collected and sampled in 2 cm intervals. Data collection involved Red-Green-Blue (RGB) color, loss on ignition (LOI), magnetic susceptibility (MS) grain-size analysis, end member mixing analysis (EMMA), and 14C radiocarbon dating. The goals for this research were to identify the …