2003-2009gsflux_excel [1]
Description:
Excel file with metadata and data sheets.
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.
File upload:
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