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Electrical geophysical data collected in the shallow sediments of Snake Pond, Cape Cod, USA

Dates

Publication Date
Start Date
2016-07-06
End Date
2016-07-11

Citation

Briggs, M.A., Scruggs, C.R, Dehkordy, F.M.P., Day-Lewis, F.D., and Singha, K., 2018, Electrical geophysical data collected in the shallow sediments of Snake Pond, Cape Cod, USA: U.S. Geological Survey data release, https://doi.org/10.5066/F7SQ8Z86.

Summary

Quantification of mobile/less-mobile porosity dynamics at the sediment/water interface is critical to predicting contaminant storage, release, and transformation processes. Zones in groundwater flow-through lakes where lake water recharges the aquifer can strongly control aquifer water quality. Less-mobile porosity has previously been characterized in aquifers using flow path scale (10's of m+) tracer injections which are analyzed using numerical models. Methodology was recently developed to couple geoelectric measurements (bulk electrical conductivity, EC), which are directly sensitive to less-mobile ionic tracer exchange processes, with pumped fluid EC tracer data over time. If the fluid EC concentration history is assumed to reflect [...]

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Snake_Pond_Data_Release_READ_ME.txt 717 Bytes
Snake_Pond_Metadata_General.xml
Original FGDC Metadata

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10.85 KB
image of typical Snake Pond bed sediments.jpg thumbnail 249.84 KB

Purpose

The over-arching purpose of this data collection is to increase understanding of biogeochemical processes at the sediment/water interface through the quantification of dynamic less-mobile porosity. Understanding the effect of sediment type and groundwater recharge rate on the development of localized zones of longer residence time will allow enhanced prediction of reactive process that are controlled by the physical template. This specific study was conducted in the natural aquifer recharging zone of Snake Pond, Sandwich, MA USA in sand and gravel glacial sediments.

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DOI https://www.sciencebase.gov/vocab/category/item/identifier doi:10.5066/F7SQ8Z86

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