get_vaa_names: Available NHDPlusV2 Attributes

Description Usage Details Value Examples

View source: R/get_vaa.R

Description

Find variables available from the NHDPlusV2 attribute data.frame

Usage

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Details

The VAA data is a aggregate table of information from the NHDPlusV2 elevslope.dbf(s), PlusFlowlineVAA.dbf(s); and NHDFlowlines. All data originates from the EPA NHDPlus Homepage here. To see the location of cached data on your machine use get_vaa_path. To view aggregate data and documentation, see here

Value

character vector

Examples

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## Not run: 
# This will download the vaa file to the path from get_vaa_path()
get_vaa_names()

#cleanup if desired
unlink(dirname(get_vaa_path()), recursive = TRUE)

## End(Not run)

nhdplusTools documentation built on Aug. 18, 2021, 5:07 p.m.