2022
DOI: 10.5194/essd-14-1695-2022
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Compilation of a database of Holocene nearshore marine mollusk shell geochemistry from the California Current System

Abstract: Abstract. The shells of marine invertebrates can serve as high-resolution records of oceanographic and atmospheric change through time. In particular, oxygen and carbon isotope analyses of nearshore marine calcifiers that grow by accretion over their lifespans provide seasonal records of environmental and oceanographic conditions. Archaeological shell middens generated by Indigenous communities along the northwest coast of North America contain shells harvested over multiple seasons for millennia. These shell … Show more

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“…We encourage the use of our sampling recommendations and further analysis of our synthesized datasets to reveal both paleoceanographic information, such as pre-industrial ranges of chemical variability, ocean circulation patterns, and paleo-seasonality, and biological information, such as shell life-history traits through time. We also encourage the use of the vast collections of published stable isotopic data from archaeological and fossil shells as paleoceanographic and paleobiological archives [e.g., 113 , 114 ], and we emphasize the value of compiling and utilizing data syntheses of shell material to streamline usage for multiple disciplines while reducing the need for further invasive sampling of culturally significant sites.…”
Section: Discussionmentioning
confidence: 99%
“…We encourage the use of our sampling recommendations and further analysis of our synthesized datasets to reveal both paleoceanographic information, such as pre-industrial ranges of chemical variability, ocean circulation patterns, and paleo-seasonality, and biological information, such as shell life-history traits through time. We also encourage the use of the vast collections of published stable isotopic data from archaeological and fossil shells as paleoceanographic and paleobiological archives [e.g., 113 , 114 ], and we emphasize the value of compiling and utilizing data syntheses of shell material to streamline usage for multiple disciplines while reducing the need for further invasive sampling of culturally significant sites.…”
Section: Discussionmentioning
confidence: 99%