attributeName	attributeDefinition	class	unit	dateTimeFormatString	missingValueCode	missingValueCodeExplanation
location_id	Identifier assigned to each unique location.	character			NA	Not available
location_name	Sampling location full name.	character			NA	Not available
latitude	Latitude of the sampling location in decimal degrees. Latitudes south of the equator are negative.	numeric	degree		NA	Not available
longitude	Longitude of the sampling location in decimal degrees. Longitudes west of the prime meridian are negative.	numeric	degree		NA	Not available
elevation	Sampling location elevation relative to sea level. Above sea level is positive. Below sea level is negative.	numeric	meter		NA	Not available
parent_location_id	Sampling location identifier (from this table) for the parent of this sampling location. Presence indicates nested locations.	character			NA	Not available
