Function to specifically retrieve all NLCD metrics for a given year using the StreamCat API.
Usage
lc_nlcd(
year = "2019",
aoi = NULL,
comid = NULL,
showAreaSqKm = NULL,
showPctFull = NULL,
countOnly = NULL
)
Arguments
- year
Years(s) of NLCD metrics to query. Only valid NLCD years are accepted (i.e. 2001, 2004, 2006, 2008, 2011, 2013, 2016, 2019) Syntax: year=<year1>,<year2>
- aoi
Specify the area of interest described by a metric. By default, all available areas of interest for a given metric are returned. Syntax: areaOfInterest=<value1>,<value2> Values: catchment|watershed|riparian_catchment|riparian_watershed|other
- comid
Return metric information for specific COMIDs Syntax: comid=<comid1>,<comid2>
- showAreaSqKm
Return the area in square kilometers of a given area of interest. The default value is false. Values: true|false
- showPctFull
Return the pctfull for each dataset. The default value is false. Values: true|false
- countOnly
Return a CSV containing only the row count (ROWCOUNT) and the column count (COLUMNCOUNT) that the server expects to return in a request. The default value is false. Values: true|false
Examples
# \donttest{
df <- lc_nlcd(comid='23783629', year='2019', aoi='ws')
df <- lc_nlcd(year='2016', aoi='cat',
comid='23783629,23794487,23812618', showAreaSqKm=FALSE, showPctFull=TRUE)
df <- lc_nlcd(year='2016', aoi='cat',
comid='23783629,23794487,23812618', countOnly=TRUE)
df <- lc_nlcd(year='2016, 2019', aoi='cat,ws',
comid='23783629,23794487,23812618')
# }