Description Usage Arguments Value Author(s) Examples
View source: R/findWaterbodies.R
findWaterbodies
returns a SpatialPolgonsDataframe
of all NHDwaterbodies within an AOI.
Data comes from the USGS CIDA server and contain 23 attributes, perhaps most notably:
'objectid' : integer
Integer value that uniquely identifies the waterbody of each feature in the NHD
'comid' : character
The COMID draining into the feature
'fdate': POSITct
Date of last feature modification
'gnis_id' : character
Unique identifier assigned by GNIS
'gnis_name' : character
Proper name, term, or expression by which a particular geographic entity is known
'meandepth' : numeric
Mean depth of the waterbody
'lakevolume' : numeric
Total waterbody volume
'maxdepth' : character
Maximum depth of waterbody
'meanused' : integer
The average amount of water used
1 | findWaterbodies(AOI = NULL, area = NULL)
|
AOI |
A Spatial* or simple features geometry, can be piped from getAOI |
ids |
If TRUE, a vector of waterbody IDs is added to retuned list (default = |
a list() of minimum length 2: AOI and waterboies
Mike Johnson
1 2 3 4 | ## Not run:
getAOI(clip = "Tuscaloosa") %>% findWaterbodies()
## End(Not run)
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