2014 Social Vulnerable Index factors compiled for CONUS at the NHDPlusV2 scale

The released data contain both a csv and parquet file summarizing the Centers for Disease Control (CDC) Social Vulnerability Index (SVI), at the NHDPlus V2 stream catchment scale. Dasymetric mapping was utilized to bound 2014 populations to the 2013 National Land Cover Dataset and then trim them to NHDPlus V2 catchments. These produced data are summarized as numbers of people within each listed category and is based on the 2014 version of the SVI, using any factors that were produced using estimated population, which are listed below:
- Below Poverty
- Unemployed
- No High School Diploma
- Aged 65 or Older
- Aged 17 or Younger
- Civilian with a Disability
- Single-Parent Households
- Minority
- Speaks English "Less than Well"
- Multi-Unit Structures
- Mobile Homes
- Crowding
- No Vehicle
- Group Quarters

As a convenience, data are also provided in parquet table format with identical values. Parquet tables can be accessed using the "arrow" package in RStudio. An example command to open the file is:
arrow::read_parquet(filepath, "SVI_Count_2014.parquet")

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