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Ascii grids of predicted pH in depth zones used by domestic and public drinking water supply depths, Central Valley, California

Dates

Publication Date
Start Date
1993
End Date
2014

Citation

Rosecrans, C.Z., Nolan, B.T., and Gronberg, J.M., 2017, Ascii grids of predicted pH in depth zones used by domestic and public drinking water supply depths, Central Valley, California: U.S. Geological Survey data release, https://doi.org/10.5066/F7FX77K4.

Summary

The ascii grids associated with this data release are predicted distributions of continuous pH at the drinking water depth zones in the groundwater of Central Valley, California. The two prediction grids produced in this work represent predicted pH at the domestic supply and public supply drinking water depths, respectively and are bound by the alluvial boundary that defines the Central Valley. A depth of 46 m was used to stratify wells into the shallow and deep aquifer and were derived from depth percentiles associated with domestic and public supply in previous work by Burow et al. (2013). In this work, the median well depth categorized as domestic supply was 30 meters below land surface and the median well depth categorized as public [...]

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preds_pH_TD_Domestic.prj 382 Bytes
preds_pH_TD_PublicSupply.prj 382 Bytes
preds_pH_TD_Domestic.asc 1.55 MB
preds_pH_TD_PublicSupply.asc 1.55 MB
PredictorVariableInfluence_CentralValley_pH_BRT.csv 1.62 KB
Ascii_grids_of_predicted_pH_in_depth_zones_used_by_domestic_and_public_drinking_water_supply_depths_Central_Valley_California (9).xml
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Purpose

Prediction grids of continuous pH described in abstract are a product of the USGS National Water Quality Assessment (NAWQA) modeling and mapping team. These prediction grids of continuous pH are intended to provide an understanding of groundwater-quality conditions at the domestic and public supply drinking water zones in the groundwater of the Central Valley of California. The chemical quality of groundwater and the fate of many contaminants is often influenced by pH in all aquifers. These grids are of interest to water-resource managers, water-quality researchers, and groundwater modelers concerned with the occurrence of natural and anthropogenic contaminants related to pH.

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  • USGS California Water Science Center
  • USGS Data Release Products

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DOI https://www.sciencebase.gov/vocab/category/item/identifier doi:10.5066/F7FX77K4

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