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

lake

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.