CTE Trace gases

<p>CTE Trace gases</p>

Number of Records: 

5100

Date Range: 

2003-01-22 to 2010-08-10

Download: 

Variables

Variables: 

Date
  • Label: Date of sampling injection
  • Definition: Date when gas samples were sampled over 5 time points and injected immediately into pre-evacuated vials sealed with geo-microbial sept.
  • Type: Date/time
  • Date format: MM/DD//YY
  • Missing values: None specified
Block-plot-rep
  • Label: Block-Plot-Replica string
  • Definition: Name to one of a cluster of 5 similar plots in one of three 30m X 30m treatment plot within a Block, serving as replicates where{A =West of western edge of Big Grid plot,B = South of Big Grid,C = West of SE}-{1,. . . , 4}-{1, ..., 5}. No data are missing in the data file.
  • Type: Code list
  • Codes:
    • A-1-1 = Block A-Plot 1-Replica 1 in one of the 16 SubPlots
    • A-1-2 = Block A-Plot 1-Replica 2 in one of the 16 SubPlots
    • A-1-3 = Block A-Plot 1-Replica 3 in one of the 16 SubPlots
    • A-1-4 = Block A-Plot 1-Replica 4 in one of the 16 SubPlots
    • A-1-5 = Block A-Plot 1-Replica 5 in one of the 16 SubPlots
    • A-2-1 = Block A-Plot 2-Replica 1 in one of the 16 SubPlots
    • A-2-2 = Block A-Plot 2-Replica 2 in one of the 16 SubPlots
    • A-2-3 = Block A-Plot 2-Replica 3 in one of the 16 SubPlots
    • A-2-4 = Block A-Plot 2-Replica 4 in one of the 16 SubPlots
    • A-2-5 = Block A-Plot 2-Replica 5 in one of the 16 SubPlots
    • A-3-1 = Block A-Plot 3-Replica 1 in one of the 16 SubPlots
    • A-3-2 = Block A-Plot 3-Replica 2 in one of the 16 SubPlots
    • A-3-3 = Block A-Plot 3-Replica 3 in one of the 16 SubPlots
    • A-3-4 = Block A-Plot 3-Replica 4 in one of the 16 SubPlots
    • A-3-5 = Block A-Plot 3-Replica 5 in one of the 16 SubPlots
    • A-4-1 = Block A-Plot 4-Replica 1 in one of the 16 SubPlots
    • A-4-2 = Block A-Plot 4-Replica 2 in one of the 16 SubPlots
    • A-4-3 = Block A-Plot 4-Replica 3 in one of the 16 SubPlots
    • A-4-4 = Block A-Plot 4-Replica 4 in one of the 16 SubPlots
    • A-4-5 = Block A-Plot 4-Replica 5 in one of the 16 SubPlots
    • B-1-1 = Block B-Plot 1-Replica 1 in one of the 16 SubPlots
    • B-1-2 = Block B-Plot 1-Replica 2 in one of the 16 SubPlots
    • B-1-3 = Block B-Plot 1-Replica 3 in one of the 16 SubPlots
    • B-1-4 = Block B-Plot 1-Replica 4 in one of the 16 SubPlots
    • B-1-5 = Block B-Plot 1-Replica 5 in one of the 16 SubPlots
    • B-2-1 = Block B-Plot 2-Replica 1 in one of the 16 SubPlots
    • B-2-2 = Block B-Plot 2-Replica 2 in one of the 16 SubPlots
    • B-2-3 = Block B-Plot 2-Replica 3 in one of the 16 SubPlots
    • B-2-4 = Block B-Plot 2-Replica 4 in one of the 16 SubPlots
    • B-2-5 = Block B-Plot 2-Replica 5 in one of the 16 SubPlots
    • B-3-1 = Block B-Plot 3-Replica 1 in one of the 16 SubPlots
    • B-3-2 = Block B-Plot 3-Replica 2 in one of the 16 SubPlots
    • B-3-3 = Block B-Plot 3-Replica 3 in one of the 16 SubPlots
    • B-3-4 = Block B-Plot 3-Replica 4 in one of the 16 SubPlots
    • B-3-5 = Block B-Plot 3-Replica 5 in one of the 16 SubPlots
    • B-4-1 = Block B-Plot 4-Replica 1 in one of the 16 SubPlots
    • B-4-2 = Block B-Plot 4-Replica 2 in one of the 16 SubPlots
    • B-4-3 = Block B-Plot 4-Replica 3 in one of the 16 SubPlots
    • B-4-4 = Block B-Plot 4-Replica 4 in one of the 16 SubPlots
    • B-4-5 = Block B-Plot 4-Replica 5 in one of the 16 SubPlots
    • C-1-1 = Clock C-Plot 1-Replica 1 in one of the 16 SubPlots
    • C-1-2 = Clock C-Plot 1-Replica 2 in one of the 16 SubPlots
    • C-1-3 = Clock C-Plot 1-Replica 3 in one of the 16 SubPlots
    • C-1-4 = Clock C-Plot 1-Replica 4 in one of the 16 SubPlots
    • C-1-5 = Clock C-Plot 1-Replica 5 in one of the 16 SubPlots
    • C-2-1 = Clock C-Plot 2-Replica 1 in one of the 16 SubPlots
    • C-2-2 = Clock C-Plot 2-Replica 2 in one of the 16 SubPlots
    • C-2-3 = Clock C-Plot 2-Replica 3 in one of the 16 SubPlots
    • C-2-4 = Clock C-Plot 2-Replica 4 in one of the 16 SubPlots
    • C-2-5 = Clock C-Plot 2-Replica 5 in one of the 16 SubPlots
    • C-3-1 = Clock C-Plot 3-Replica 1 in one of the 16 SubPlots
    • C-3-2 = Clock C-Plot 3-Replica 2 in one of the 16 SubPlots
    • C-3-3 = Clock C-Plot 3-Replica 3 in one of the 16 SubPlots
    • C-3-4 = Clock C-Plot 3-Replica 4 in one of the 16 SubPlots
    • C-3-5 = Clock C-Plot 3-Replica 5 in one of the 16 SubPlots
    • C-4-1 = Clock C-Plot 4-Replica 1 in one of the 16 SubPlots
    • C-4-2 = Clock C-Plot 4-Replica 2 in one of the 16 SubPlots
    • C-4-3 = Clock C-Plot 4-Replica 3 in one of the 16 SubPlots
    • C-4-4 = Clock C-Plot 4-Replica 4 in one of the 16 SubPlots
    • C-4-5 = Clock C-Plot 4-Replica 5 in one of the 16 SubPlots
  • Missing values: None specified
Month
  • Label: Month of sampling or observations
  • Definition: A 3-letter code corresponding to the first three letters of the month of date when sampling and/or observations were performed. For data set "CTE Trace gases" represent the month where gas samples were sampled over 5 time points and injected immediately into pre-evacuated vials sealed with geo-microbial sept. For all the files in "Soil Microbial DNA-Bacteria" data set is the month where soil sample was collected.
  • Type: Code list
  • Codes:
    • JAN = January
    • FEB = Febuary
    • MAR = March
    • APR = April
    • MAY = May
    • JUN = June
    • JUL = July
    • AUG = August
    • SEP = September
    • OCT = October
    • NOV = November
    • DEC = December
  • Missing values: None specified
Year
  • Label: Year of sampling injection
  • Definition: Corresponding year of date when gas samples were sampled over 5 time points and injected immediately into pre-evacuated vials sealed with geo-microbial sept.
  • Type: Nominal
  • Missing values: None specified
Reported_CO2_Flux_ug_C_cm-2_hr-1
  • Label: Reported CO2Flux
  • Definition: Reported carbon dioxide (CO2) flux (in ug C cm-2 hr-1)
  • Type: Physical quantity
  • Unit: microgram of Carbon per squarecentimeters per hour
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: 0.01
  • Missing values: None specified
Reported_CH4_Flux_ng_C_cm-2_hr-1
  • Label: Reported CH4 Flux
  • Definition: Reported Methane (CH4) Flux (in ng C cm-2 hr-1)
  • Type: Physical quantity
  • Unit: nanogram of Carbon per squareCentimeters per hour
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: 0.01
  • Missing values: None specified
Reported_N2O_Flux_ng_N_cm-2_hr-1
  • Label: Reported N2O Flux
  • Definition: Reported Nitrous oxide (N2O) flux ( in ng N cm-2 hr-1)
  • Type: Physical quantity
  • Unit: nanogram of Nitrogen per squareCentimeters per hour
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: 0.01
  • Missing values: None specified

Vertical Tabs

Header lines: 

1

Orientation: 

Column

Field delimiter: 

,

Record delimiter: 

\r\n

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