nhdplusTools: download_nhdplusv2 – R documentation

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download_nhdplusv2

Download seamless National Hydrography Dataset Version 2 (NHDPlusV2)

Description

This function downloads and decompresses staged seamless NHDPlusV2 data. The following requirements are needed: p7zip (MacOS), 7zip (windows) Please see: https://www.epa.gov/waterdata/get-nhdplus-national-hydrography-dataset-plus-data for more information and metadata about this data.

Default downloads lower-48 only. See examples for islands. No Alaska data are available.

Usage

download_nhdplusv2(
  outdir,
  url = paste0("https://s3.amazonaws.com/edap-nhdplus/NHDPlusV21/",
    "Data/NationalData/NHDPlusV21_NationalData_Seamless", "_Geodatabase_Lower48_07.7z")
)

Arguments

`outdir`	The folder path where data should be downloaded and extracted
`url`	the location of the online resource

Value

the path to the local geodatabase

Examples

## Not run: 
  download_nhdplusV2("./data/nhd/")

  download_nhdplusv2(outdir = "./inst/",
      url = paste0("https://s3.amazonaws.com/edap-nhdplus/NHDPlusV21/",
                   "Data/NationalData/NHDPlusV21_NationalData_Seamless",
                   "_Geodatabase_HI_PR_VI_PI_03.7z"))

## End(Not run)

nhdplusTools

NHDPlus Tools

v0.4.0

CC0

Authors

David Blodgett [aut, cre], Mike Johnson [ctb] (<https://orcid.org/0000-0002-5288-8350>)

Initial release