Oxygen and Hydrogen Isotopes Suggest Two Sources for Little Salt Spring

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Oxygen and Hydrogen Isotopes Suggest Two Sources for Little Salt Spring

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Title: Oxygen and Hydrogen Isotopes Suggest Two Sources for Little Salt Spring
Author: Van Ee, NJ; Riera-Gomez, ER
Abstract: Water samples collected by scuba diving and analyzed for oxygen and hydrogen isotopes suggest that vents are feeding Little Salt Spring from two distinct sources. One source has oxygen values of -0.96±0.12‰ and hydrogen values of -0.80±2.27‰. The other source has oxygen values of -1.31±0.12‰ and hydrogen values of -2.35±2.27‰. Furthermore, for one of the sources, the stable isotopes of oxygen vary between the months of October to November 2009 by 0.79±0.12‰, possibly related to the seasonal changes in water flow and chemistry that have been observed by divers in the spring. This work has implications for stable isotope-based paleoclimate records constructed for Little Salt Spring based on the assumption of a single water source and well mixed water column. Additionally, continued preservation and exploration of the early prehistoric human remains and artifacts of Little Salt Spring are tied to understanding the site's hydrology and chemistry.
Description: American Academy of Underwater Sciences (http://www.aaus.org/)
URI: http://archive.rubicon-foundation.org/10222
Date: 2009

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