Formaldehyde measurements at the PROPHET mixed hardwood forest site in 2008

Formaldehyde (HCHO) measurements taken at the University of Michigan Biological Stations PROPHET tower from July 31 to August 14, 2008. The file contains all HCHO data taken, including ambient air drawn through the main manifold and the alternate inlet. Measurements are taken as 20 second data and reported as ~12 minute averages.

Variables
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 =
DOY
  • Label: Day of Year
  • Definition: A numerical value indicating day of the year the sample was taken.
  • Type: Nominal
  • Missing values: None specified
HCHO
  • Label: Formaldehyde concentration
  • Definition: Concentration of formaldehyde (HCHO) in parts per billion.
  • Type: Physical quantity
  • Unit: partsPerBillion
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: 0.0001
  • Missing values:
    • -999 =
Inlet
  • Label: Inlet code
  • Definition: The inlet code indicates through which inlet ambient air was drawn.
  • Type: Code list
  • Codes:
    • 0 = main manifold
    • 1 = the alternate inlet.
  • Missing values: None specified
Data Source Details
Header lines: 
9
Orientation: 
Column
Field delimiter: 
comma
Record delimiter: 
newli