Learn R Programming

spmodel (version 0.10.0)

lake: National Lakes Assessment Data

Description

Lake data collected as part of the United States Environmental Protection Agency's 2012 and 2017 National Lakes Assessment and LakeCat.

Usage

lake

Arguments

Format

An sf object with 102 rows and 9 columns:

  • comid: A common identifier from NHDPlusV2.

  • log_cond: The natural logarithm of lake conductivity.

  • state: The US state: One of Arizona (AZ), Colorado (CO), Nevada (NV), Utah (UT).

  • temp: Lake catchment 30-year average temperature (in degrees Celsius).

  • precip: Lake watershed 30-year average precipitation (in centimeters).

  • elev: Lake elevation (in meters).

  • origin: Lake origin (human-made or natural).

  • year: A factor representing year (2012 or 2017).

  • geometry: POINT geometry representing coordinates in a NAD83 projection (EPSG: 5070). Distances between points are in meters.