| USlakes {sptotal} | R Documentation |
Dissolved Organic Carbon in U.S. Lakes
Description
These data contain dissolved organic carbon (DOC) in National Lakes Data from the U.S. Environmental Protection Agency
Usage
USlakes
Format
A data frame with 1206 rows and 9 variables:
- XCOORD
x-coordinate from US Contiguous Albers Equal Area Conic projection
- YCOORD
y-coordinate from US Contiguous Albers Equal Area Conic projection
- DOC_RESULT
Analyte value, in mg/L, for Dissolved Organic Carbon
- ELEVATION
Elevation at lake coordinates (LAT_DD_N83, LON_DD_N83) from NHD Digital Elevation Map layer
- FCIBIG_LIT
Fish cover: index of fish cover due to large structures in the littoral zone
- RVFCGNDBARE_RIP
riparian zone and vegetation: fraction of ground lacking cover in the riparian zone
- RVFCGNDWOODY_RIP
riparian zone and vegetation: fraction of ground cover by woody vegetation in the riparian zone
- RVFPUNDWOODY_RIP
riparian zone and vegetation: fraction of understory with nonwoody cover present in the riparian zone
- UID
A unique lake identifier in the EPA lake survey databases
Source
National Aquatic Resource Surveys webpage. We combined site data, DOC data, and habitat metrics to create a data set of 1206 lakes in the conterminous United States.
Examples
data(USlakes)
names(USlakes)
summary(USlakes)