2003-2009gscurveparameters_excel

Excel file with metadata and data sheets.

Best fit parameters describing net CO2 flux light response curves measured during the ITEX CO2 flux survey 2003-2009.

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Variables

YEAR
  • Label: YEAR
  • Definition: Year measurement taken
  • Type: Date/time
  • Date format: YYYY
  • Missing values: None specified
DATE
  • Label: DATE
  • Definition: Date measurement taken
  • Type: Date/time
  • Date format: dd-mmm-yy
  • Missing values: None specified
SITE
  • Label: SITE
  • Definition: Abisko, Imnavait, Toolik, Svalbard, Zackenberg, AR Burn or Barrow
  • Type: Nominal
  • Missing values: None specified
GROUP
  • Label: GROUP
  • Definition: Location of flux plots at each site
  • Type: Nominal
  • Missing values: None specified
PLOT
  • Label: PLOT
  • Definition: Individual plot identifier
  • Type: Nominal
  • Missing values: None specified
TREAT
  • Label: TREAT
  • Definition: Control or fertilised with N and P fertiliser
  • Type: Nominal
  • Missing values: None specified
PHASE
  • Label: PHASE
  • Definition: Measurement series (round of measurement within each year)
  • Type: Nominal
  • Missing values: None specified
PLOT SIZE
  • Label: PLOT SIZE
  • Definition: Plot size of 1m x 1m or 0.3m x 0.3m or 0.7 x 0.7m
  • Type: Nominal
  • Missing values: None specified
CURVE ID
  • Label: CURVE ID
  • Definition: Light curve identifier
  • Type: Nominal
  • Missing values: None specified
TIME
  • Label: TIME
  • Definition: time the light curve was taken (avg indicates a combination of more than one curve in a day)
  • Type: Nominal
  • Missing values: None specified
NDVI
  • Label: NDVI
  • Definition: NDVI of flux plot
  • Type: Physical quantity
  • Unit: dimensionless
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • #N/A = Missing or Not Measured
Pmax
  • Label: Pmax
  • Definition: light saturated photosynthesis parameter
  • Type: Physical quantity
  • Unit: micromolePerMeterSquaredPerSecond
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • #N/A = Missing or Not Measured
K
  • Label: K
  • Definition: half saturation constant
  • Type: Physical quantity
  • Unit: micromolePerMeterSquaredPerSecond
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • #N/A = Missing or Not Measured
Re
  • Label: Re
  • Definition: ecosystem respiration
  • Type: Physical quantity
  • Unit: micromolePerMeterSquaredPerSecond
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • #N/A = Missing or Not Measured
Eo
  • Label: Eo
  • Definition: ecosystem initial light use efficiency
  • Type: Physical quantity
  • Unit: micromolePerMicromole
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • #N/A = Missing or Not Measured
LCP
  • Label: LCP
  • Definition: ecosystem light compensation point
  • Type: Physical quantity
  • Unit: micromolePerMeterSquaredPerSecond
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • #N/A = Missing or Not Measured
AIRTEMP
  • Label: AIRTEMP
  • Definition: average air temperature
  • Type: Physical quantity
  • Unit: celsius
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • #N/A = Missing or Not Measured
MAX PAR
  • Label: MAX PAR
  • Definition: The maximum average PAR value under which a flux measurement is recorded for that curve.
  • Type: Physical quantity
  • Unit: micromolePerMeterSquaredPerSecond
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • #N/A = Missing or Not Measured
Comments
  • Label: Comments
  • Definition: explaination of why the curve lacks parameter values
  • Type: Nominal
  • Missing values: None specified
Data Source Details

Header lines: 

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Orientation: 

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Field delimiter: 

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Record delimiter: 

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