2011-Present_MAT_HourlyWeather_csv [1]
Description:
Hourly weather data from the Arctic LTER Moist Acidic Tussock Experimental plots from 2011 to present, Toolik Field Station, North Slope, Alaska.
File upload:
Variables:
DATE
- Label: DATE
- Definition: Date
- Type: Date/time
- Date format: YYYY-MM-DD hh:mm
- Missing values: None specified
Month
- Label: Month
- Definition: Month in integer form
- Type: Physical quantity
- Unit: number
- Maximum: Not specified
- Minimum: Not specified
- Precision: Not specified
- Missing values: None specified
DAYS
- Label: DAYS
- Definition: Day of year day plus fraction of day
- Type: Physical quantity
- Unit: number
- Maximum: Not specified
- Minimum: Not specified
- Precision: Not specified
- Missing values: None specified
ID
- Label: ID
- Definition: The data logger program output step number
- Type: Physical quantity
- Unit: number
- Maximum: Not specified
- Minimum: Not specified
- Precision: Not specified
- Missing values:
- #N/A = missing value or error
YEAR
- Label: YEAR
- Definition: Year
- Type: Date/time
- Date format: YYYY
- Missing values:
- . = sensor not measured
- #N/A = missing value or error
JULIAN
- Label: JULIAN
- Definition: Day of year
- Type: Physical quantity
- Unit: number
- Maximum: Not specified
- Minimum: Not specified
- Precision: Not specified
- Missing values:
- . = sensor not measured
- #N/A = missing value or error
HOUR
- Label: HOUR
- Definition: Time - Alaska standard time 2400 format
- Type: Physical quantity
- Unit: number
- Maximum: Not specified
- Minimum: Not specified
- Precision: Not specified
- Missing values:
- . = sensor not measured
- #N/A = missing value or error
CTEMP 3M
- Label: CTEMP 3M
- Definition: Temperature at 3 m height in the control plot
- Type: Physical quantity
- Unit: celsius
- Maximum: Not specified
- Minimum: Not specified
- Precision: Not specified
- Missing values:
- . = sensor not measured
- #N/A = missing value or error
GTEMP
- Label: GTEMP
- Definition: Average temperature in greenhouse - after 1994 this is a single measurement from one sensor in the center of the greenhouse
- Type: Physical quantity
- Unit: celsius
- Maximum: Not specified
- Minimum: Not specified
- Precision: Not specified
- Missing values:
- . = sensor not measured
- #N/A = missing value or error
STEMP
- Label: STEMP
- Definition: Average temperature in the shade house - After 1994 this is a single measurement from one sensor in the center of the shade house
- Type: Physical quantity
- Unit: celsius
- Maximum: Not specified
- Minimum: Not specified
- Precision: Not specified
- Missing values:
- . = sensor not measured
- #N/A = missing value or error
CRH 3M
- Label: CRH 3M
- Definition: Relative humidity in the control plot at 3 m height
- Type: Physical quantity
- Unit: percent
- Maximum: Not specified
- Minimum: Not specified
- Precision: Not specified
- Missing values:
- . = sensor not measured
- #N/A = missing value or error
GRH
- Label: GRH
- Definition: Average relative humidity in the greenhouse - note that after 1994 this is a single measurement taken from the middle of the greenhouse
- Type: Physical quantity
- Unit: percent
- Maximum: Not specified
- Minimum: Not specified
- Precision: Not specified
- Missing values:
- . = sensor not measured
- #N/A = missing value or error
SHRH
- Label: SHRH
- Definition: Average relative humidity in the shade house - note that after 1994 this is a single measurement taken from the middle of the shade house
- Type: Physical quantity
- Unit: percent
- Maximum: Not specified
- Minimum: Not specified
- Precision: Not specified
- Missing values:
- . = sensor not measured
- #N/A = missing value or error
PYRANOMETER
- Label: PYRANOMETER
- Definition: global solar radiation (sun plus sky), average over measurement interval (kw/m-2/s-1)
- Type: Physical quantity
- Unit: kilowattPerMeterSquared
- Maximum: Not specified
- Minimum: Not specified
- Precision: Not specified
- Missing values:
- . = sensor not measured
- #N/A = missing value or error
CQUANT
- Label: CQUANT
- Definition: Control Average Photosynthetic Active Radiation (PAR) over an hour as measured with a LiCor Quantum sensor
- Type: Physical quantity
- Unit: micromolePerMeterSquaredPerSecond
- Maximum: Not specified
- Minimum: Not specified
- Precision: Not specified
- Missing values:
- . = sensor not measured
- #N/A = missing value or error
GQUANT
- Label: GQUANT
- Definition: Green house Average Photosynthetic Active Radiation (PAR) over an hour as measured with a LiCor Quantum sensor
- Type: Physical quantity
- Unit: micromolePerMeterSquaredPerSecond
- Maximum: Not specified
- Minimum: Not specified
- Precision: Not specified
- Missing values:
- . = sensor not measured
- #N/A = missing value or error
SQUANT
- Label: SQUANT
- Definition: Shade house Average Photosynthetic Active Radiation (PAR) over an hour as measured with a LiCor Quantum sensor
- Type: Physical quantity
- Unit: micromolePerMeterSquaredPerSecond
- Maximum: Not specified
- Minimum: Not specified
- Precision: Not specified
- Missing values:
- . = sensor not measured
- #N/A = missing value or error
WIND SPEED
- Label: WIND SPEED
- Definition: Wind speed at 3 meters
- Type: Physical quantity
- Unit: meterPerSecond
- Maximum: Not specified
- Minimum: Not specified
- Precision: Not specified
- Missing values:
- . = sensor not measured
- #N/A = missing value or error
WIND DIR
- Label: WIND DIR
- Definition: Wind direction at 3 meters
- Type: Physical quantity
- Unit: degree
- Maximum: Not specified
- Minimum: Not specified
- Precision: Not specified
- Missing values:
- . = sensor not measured
- #N/A = missing value or error
WIND DIR STD
- Label: WIND DIR STD
- Definition: Wind vector direction standard deviation
- Type: Physical quantity
- Unit: degree
- Maximum: Not specified
- Minimum: Not specified
- Precision: Not specified
- Missing values:
- . = sensor not measured
- #N/A = missing value or error
RAIN
- Label: RAIN
- Definition: Rainfall summer only
- Type: Physical quantity
- Unit: millimeter
- Maximum: Not specified
- Minimum: Not specified
- Precision: Not specified
- Missing values:
- . = sensor not measured
- #N/A = missing value or error
VAPOR PRES 3M
- Label: VAPOR PRES 3M
- Definition: Vapor pressure for Control temperature/relative humidity at 3 meters. Formula: If Air Temp > 0 then (CRH 3M/100) * 6.1121 * exp(17.368 * CTEMP 3M/(238.88 + CTEMP 3M)) If Air Temp < 0 then (CRH 3M/100) * 6.1121 * exp(17.966 * CTEMP 3M/(238.88 + CTEMP 3M)) (Buck 1981).
- Type: Physical quantity
- Unit: millibar
- Maximum: Not specified
- Minimum: Not specified
- Precision: Not specified
- Missing values:
- . = sensor not measured
- #N/A = missing value or error
VAPOR PRESS SH
- Label: VAPOR PRESS SH
- Definition: Vapor pressure for Shade house temperature/relative humidity at 3 meters. Formula: If Air Temp > 0 then (CRH 3M/100) * 6.1121 * exp(17.368 * CTEMP 3M/(238.88 + CTEMP 3M)) If Air Temp < 0 then (CRH 3M/100) * 6.1121 * exp(17.966 * CTEMP 3M/(238.88 + CTEMP 3M)) (Buck 1981).
- Type: Physical quantity
- Unit: millibar
- Maximum: Not specified
- Minimum: Not specified
- Precision: Not specified
- Missing values:
- . = sensor not measured
- #N/A = missing value or error
PYR J CM2 HR
- Label: PYR J CM2 HR
- Definition: Total joules/cm2 over an hour (PYRANOMETER * .3600 jcm2 * 1000 watt/Kwatt)
- Type: Physical quantity
- Unit: number
- Maximum: Not specified
- Minimum: Not specified
- Precision: Not specified
- Missing values:
- . = sensor not measured
- #N/A = missing value or error
COMMENTS
- Label: COMMENTS
- Definition: Additional comments
- Type: Nominal
- Missing values: None specified
Number of Records:
110229