2003-2009gsflux_csv

ITEX circumarctic CO2 flux survey data from Toolik, Alaska; Abisko, Sweden; Svalbard, Norway; Zackenberg, Northeast Greenland; Anaktuvuk River Burn, Alaska and Barrow, Alaska 2003-2009.

Variables

YEAR
  • Label: YEAR
  • Definition: Year measurement taken
  • Type: Date/time
  • Date format: YYYY
  • Missing values:
    • . = Missing or Not Measured
DATE
  • Label: DATE
  • Definition: Date measurement taken
  • Type: Date/time
  • Date format: dd-mmm-yy
  • Missing values:
    • . = Missing or Not Measured
SITE
  • Label: SITE
  • Definition: Abisko, 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
OBSNUM
  • Label: OBSNUM
  • Definition: Individual flux measurement identifier
  • Type: Nominal
  • Missing values: None specified
STARTTIME
  • Label: STARTTIME
  • Definition: Start time of flux measurement in local time.
  • Type: Date/time
  • Date format: hh:mm:ss
  • Missing values:
    • . = Missing or Not Measured
SHADELEVEL
  • Label: SHADELEVEL
  • Definition: L=ambient light, S1=one shade cloth, S2=2 cloths, S3=3 cloths, D= dark
  • Type: Nominal
  • Missing values: None specified
PRESSUREkPa
  • Label: PRESSUREkPa
  • Definition: Barometric pressure
  • Type: Physical quantity
  • Unit: kilopascal
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • . = Missing or Not Measured
AIRTEMPC
  • Label: AIRTEMPC
  • Definition: Air temperature
  • Type: Physical quantity
  • Unit: celsius
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • . = Missing or Not Measured
CO2ppm
  • Label: CO2ppm
  • Definition: Average chamber CO2 concentration during measurment
  • Type: Physical quantity
  • Unit: partPerMillion
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • . = Missing or Not Measured
H2O
  • Label: H2O
  • Definition: Average chamber H2O concentration during measurment
  • Type: Physical quantity
  • Unit: millimolePerMole
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • . = Missing or Not Measured
PARumolm2s
  • Label: PARumolm2s
  • Definition: Incident photosynthetic active radiation
  • Type: Physical quantity
  • Unit: micromolePerMeterSquaredPerSecond
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • . = Missing or Not Measured
PARrange
  • Label: PARrange
  • Definition: PAR range during flux measurement
  • Type: Physical quantity
  • Unit: micromolePerMeterSquaredPerSecond
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • . = Missing or Not Measured
NDVI
  • Label: NDVI
  • Definition: Normalised difference vegetation index
  • Type: Physical quantity
  • Unit: dimensionless
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • . = Missing or Not Measured
NEPumolCm2s
  • Label: NEPumolCm2s
  • Definition: Net ecosystem productivity
  • Type: Physical quantity
  • Unit: micromolePerMeterSquaredPerSecond
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • . = Missing or Not Measured
H2Ofluxmmolm2s
  • Label: H2Ofluxmmolm2s
  • Definition: H20 flux
  • Type: Physical quantity
  • Unit: millimolePerMeterSquaredPerSecond
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • . = Missing or Not Measured
ReumolCm2s
  • Label: ReumolCm2s
  • Definition: Ecosystem respiration
  • Type: Physical quantity
  • Unit: micromolePerMeterSquaredPerSecond
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • . = Missing or Not Measured
GEPumolCm2s
  • Label: GEPumolCm2s
  • Definition: Gross ecosystem productivity
  • Type: Physical quantity
  • Unit: micromolePerMeterSquaredPerSecond
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • . = Missing or Not Measured
uncorrected NEP
  • Label: uncorrected NEP
  • Definition: Uncorrected Licor 6200 net CO2 flux
  • Type: Physical quantity
  • Unit: micromolePerMeterSquaredPerSecond
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • . = Missing or Not Measured
Comments
  • Label: Comments
  • Definition: Notes about data
  • Type: Nominal
  • Missing values: None specified
Data Source Details

Header lines: 

1

Orientation: 

Column

Quote character: 

"

Field delimiter: 

,

Record delimiter: 

\r\n

Number of Records: 

5001