2012_GS_ITEX_ShrubCanopy_DailyLogger_csv

Daily summaries of photosynthetically active radiation (PAR), relative humidity, and temperature data logged above, within, and below Betula nana and Salix pulchra shrub canopies during the summer of 2012 in vicinity of Toolik Lake, Alaska.

Variables

YEAR
  • Label: YEAR
  • Definition: year of measurement
  • Type: Date/time
  • Date format: YYYY
  • Missing values:
    • #N/A = Missing or Not Measured
DATE
  • Label: DATE
  • Definition: date of measurement
  • Type: Date/time
  • Date format: dd-mmm-yy
  • Missing values:
    • #N/A = Missing or Not Measured
SITE
  • Label: SITE
  • Definition: Toolik
  • Type: Nominal
  • Missing values: None specified
GROUP
  • Label: GROUP
  • Definition: Measurement location in relation to Toolik Lake LTER Shrub plots; In vicinity of Block1 = Upland, IVO Block 2 = Outlet
  • Type: Nominal
  • Missing values: None specified
CANOPY
  • Label: CANOPY
  • Definition: Canopy sensors monitored; sensors above the canopies monitored ambient conditions for both BET and SALP vegetation
  • Type: Nominal
  • Missing values: None specified
SENSOR POSN
  • Label: SENSOR POSN
  • Definition: Sensor relative height
  • Type: Nominal
  • Missing values: None specified
BattV_Min
  • Label: BattV_Min
  • Definition: Minimum battery voltage during the day of measurement (battery is 12v)
  • Type: Physical quantity
  • Unit: volt
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • #N/A = Missing or Not Measured
PTemp_C_Max
  • Label: PTemp_C_Max
  • Definition: Maximum temperature (deg Celsius) measured by datalogger
  • Type: Physical quantity
  • Unit: celsius
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • #N/A = Missing or Not Measured
PTemp_C_TMx
  • Label: PTemp_C_TMx
  • Definition: 24-hour time that the maximum datalogger temperature was recorded
  • Type: Date/time
  • Date format: HH24:Mi
  • Missing values:
    • #N/A = Missing or Not Measured
PTemp_C_Avg
  • Label: PTemp_C_Avg
  • Definition: Daily average temperature encountered by datalogger
  • Type: Physical quantity
  • Unit: celsius
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • #N/A = Missing or Not Measured
MAX TEMP
  • Label: MAX TEMP
  • Definition: Maximum temperature (deg Celsius) measured by relative humidity sensor for given canopy / position
  • Type: Physical quantity
  • Unit: celsius
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • #N/A = Missing or Not Measured
TIME OF MAX TEMP
  • Label: TIME OF MAX TEMP
  • Definition: 24-hour time that maximum temperature was encountered
  • Type: Date/time
  • Date format: HH24:Mi
  • Missing values:
    • #N/A = Missing or Not Measured
MIN TEMP
  • Label: MIN TEMP
  • Definition: Minimum temperature (deg Celsius) measured by relative humidity sensor for given canopy / position
  • Type: Physical quantity
  • Unit: celsius
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • #N/A = Missing or Not Measured
TIME OF MIN TEMP
  • Label: TIME OF MIN TEMP
  • Definition: 24-hour time that minimum temperature was encountered
  • Type: Date/time
  • Date format: HH24:Mi
  • Missing values:
    • #N/A = Missing or Not Measured
MAX RH
  • Label: MAX RH
  • Definition: Maximum recorded relative humidity encountered by given sensor
  • Type: Physical quantity
  • Unit: percent
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • #N/A = Missing or Not Measured
TIME OF MAX RH
  • Label: TIME OF MAX RH
  • Definition: 24-hour time that maximum relative humidity was encountered
  • Type: Date/time
  • Date format: HH24:Mi
  • Missing values:
    • #N/A = Missing or Not Measured
MAX PAR
  • Label: MAX PAR
  • Definition: Maximum recorded photosynthetic active radiation (PAR) for given sensor (umol PAR per square m per sec)
  • Type: Physical quantity
  • Unit: micromolePerMeterSquaredPerSecond
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • #N/A = Missing or Not Measured
TIME OF MAX PAR
  • Label: TIME OF MAX PAR
  • Definition: 24-hour time that maximum PAR was encountered by sensor
  • Type: Date/time
  • Date format: HH24:Mi
  • Missing values:
    • #N/A = Missing or Not Measured
DAILY TOTAL PAR
  • Label: DAILY TOTAL PAR
  • Definition: Sum of PAR encountered by given sensor during the day (umol PAR per square m per day)
  • Type: Physical quantity
  • Unit: micromolePerMeterSquaredPerDay
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • #N/A = Missing or Not Measured
Data Source Details

Header lines: 

1

Orientation: 

Column

Quote character: 

"

Field delimiter: 

,

Record delimiter: 

\r\n

Number of Records: 

435