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Rano Raraku geochemical data

Authors: Elena Argiriadis; Mara Bortolini; Natalie Kehrwald; Marco Roman; Clara Turetta; Shapara Hanif; Evans Erhenhi; +6 Authors

Rano Raraku geochemical data

Abstract

A geochemical survey of the water, suspended particulate matter, sediments and soil of the Rano Raraku crater lake basin in Rapa Nui (Easter Island) was performed in order to assess if the lake water could have been a viable fresh water source for early inhabitants, as well as better understanding past interactions between humans and environmental conditions as archived in lake sediments. At the time of sampling in September 2017, lake maximum depth was 1.5 m. The lake level has substantially declined in the subsequent years, with the lake drying almost completely in January 2018. The lake is currently characterized by highly anoxic conditions, with a predominance of ammonium ions on nitrates, a high concentration of organic carbon in the water-sediment interface and reducing conditions of the lake, as evidenced by Mn/Fe and Cr/V ratios. At the time of sampling, water pH was 7.8.

Country
Italy
Keywords

Analytical Geochemistry, rano raraku, rapa nui, easter island, geochemical, chemical analysis, Interdisciplinary sciences, Analytical Chemistry, Environmental Geochemistry, Geochemistry, FOS: Chemical sciences, Elemental Geochemistry, Rapa Nui, Crater lake, Rano Raraku, Other, Dataset

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average