USlakes: Dissolved Organic Carbon in U.S. Lakes

In sptotal: Predicting Totals and Weighted Sums from Spatial Data

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)

sptotal documentation built on Dec. 12, 2022, 1:06 a.m.