wIgroup3: Hydraullic Unit Codes from Watershed Boundary Dataset.

wIgroup3R Documentation

Hydraullic Unit Codes from Watershed Boundary Dataset.

Description

This is an imported shapefile containing the watershed boundaries in the US.

Usage

wIgroup3

Format

A Large SpatialPolygonsDataFrame with 2158 elements:

AREA
PERIMETER
HUC250K_
HUC250K_ID
HUC_CODE
HUC_NAME
REG
SUB
ACC
CAT

...

Details

To generate this dataset download the huc250k dataset from the USGS website

# library(sp) # library(rgdal)

## Set working directory to unzipped shape file directory

# watershedInfo <- spTransform(readOGR(".", "huc250k"), # CRS("+proj=longlat +datum=WGS84"))

wIgroup1 <- watershedInfo[as.numeric(watershedInfo$REG) <= 6,] wIgroup2 <- watershedInfo[as.numeric(watershedInfo$REG) >= 7 & as.numeric(watershedInfo$REG) <= 12 ,] wIgroup3 <- watershedInfo[as.numeric(watershedInfo$REG) >= 13,]

# save(wIgroup1, file="wIgroup1.RDA") # save(wIgroup2, file="wIgroup2.RDA") # save(wIgroup3, file="wIgroup3.RDA")

wateshedInfo can be called as followed watershedInfo <- rbind(wIgroup1, wIgroup2, wIgroup3)

Source

https://nhd.usgs.gov/wbd.html


JerryHMartin/waterDataSupport documentation built on Jan. 25, 2023, 2:36 a.m.