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Ground HO2 Concentrations 07/01 - 07/17/2009

Variables
Variables (legacy): 

Time_GMT

  • Label: Time (GMT)
  • Definition: Time (GMT/UTC) in yymmddhhmmss format
  • Type: Date/time
  • Date format: yymmddhhmmss
  • Missing values:
    • -999 =

,
Time_EST

  • Label: Time (EST)
  • Definition: Time (EST) in yymmddhhmmss format
  • Type: Date/time
  • Date format: yymmddhhmmss
  • Missing values:
    • -999 =

,
Time_EDT

  • Label: Time (EDT)
  • Definition: Time (EDT) in yymmddhhmmss format.
  • Type: Date/time
  • Date format: yymmddhhmmss
  • Missing values:
    • -999 =

,
Concentration

  • Label: Concentration
  • Definition:
  • Type: Physical quantity
  • Unit: moleculePerCubicCentimeter
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: 1
  • Missing values:
    • -999 =

,
Precision

  • Label: Precision
  • Definition:
  • Type: Physical quantity
  • Unit: moleculePerCubicCentimeter
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: 1
  • Missing values:
    • -999 =

,
Flag

  • Label: Flag
  • Definition: Data flag describing data value.
  • Type: Code list
  • Codes:
    • V0 = Valid value
    • V1 = Valid value but below detection limit
    • M1 = Missing value because no value is available or the value was invalidated
  • Missing values:
    • -999 =

Methods: 

SAMPLING INTERVAL AS REPORTED IN MAIN TABLE Variable. Approximately 20-30 min
AVERAGING TIME OF DATA IN MAIN TABLE 20 seconds
SAMPLING LOCATION Scaffold Tower
SAMPLING HEIGHT 3-4 meters

Resources