Transect

• Label: Transect
• Definition: Identifies transect line.
• Type: Nominal
• Missing values: None specified

,
Site

• Label: Site
• Definition: Unique identification of the location of the experiment or sample.
• Type: Nominal
• Missing values: None specified

,
Year

• Label: Year
• Definition: The year in which the sample was taken.
• Type: Date/time
• Date format: YYYY
• Missing values: None specified

,
Horizon

• Label: Soil Horizon
• Definition: Identifies the soil horizon from which the sample was taken.
• Type: Code list
• Codes:
  • A = A horizon
  • E = E horizon
  • B = B horizon
• Missing values:
  • NA =

,
percent_N

• Label: Percent Nitrogen
• Definition: Weight percent nitrogen in the sample.
• Type: Physical quantity
• Unit: percent
• Maximum: Not specified
• Minimum: Not specified
• Precision: 0.001
• Missing values:
  • NA =

,
percent_C

• Label: Percent Carbon
• Definition: Weight percent carbon in the sample.
• Type: Physical quantity
• Unit: percent
• Maximum: Not specified
• Minimum: Not specified
• Precision: 0.01
• Missing values:
  • NA =