MAR-NE-EddyFluxTallTower-2017_csv

PIE LTER eddy flux measurements during 2017 from second high marsh site (Spartina patens/short Spartina alterniflora) Tall Tower off Nelson Island Creek, Rowley, Massachusetts

Variables
DATE
  • Label: DATE
  • Definition: Date of measurements
  • Type: Date/time
  • Date format: YYYY-MM-DD
  • Missing values: None specified
TIME
  • Label: TIME
  • Definition: Timestamp of measurements (center of 30 min averaging period)
  • Type: Date/time
  • Date format: hh:mm
  • Missing values: None specified
FC_SSITC_TEST
  • Label: FC_SSITC_TEST
  • Definition: Results of the Steady State and Integral Turbulence Characteristics for FC according to Foken (i.e. 1-9)
  • Type: Code list
  • Codes:
    • 1 = good
    • 2 = good
    • 3 = good
    • 4 = intermediate
    • 5 = intermediate
    • 6 = intermediate
    • 7 = discard
    • 8 = discard
    • 9 = discard
  • Missing values: None specified
FETCH_FILTER
  • Label: FETCH_FILTER
  • Definition: Footprint quality flag (i.e., 0, 1): 0 and 1 indicate data measured when wind coming from direction that should be discarded and kept, respectively
  • Type: Code list
  • Codes:
    • 0 = discard data
    • 1 = keep data
  • Missing values:
    • NaN = not available
CO2
  • Label: CO2
  • Definition: Carbon Dioxide (CO2) mixing ratio
  • Type: Physical quantity
  • Unit: micromolePerMole
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NaN = not available
FC
  • Label: FC
  • Definition: Carbon Dioxide (CO2) turbulent flux (no storage correction)
  • Type: Physical quantity
  • Unit: micromolePerMeterSquaredPerSecond
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NaN = not available
H2O
  • Label: H2O
  • Definition: Water (H2O) vapor mixing ratio
  • Type: Physical quantity
  • Unit: millimolePerMole
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NaN = not available
G1
  • Label: G1
  • Definition: Soil Heat Flux 1
  • Type: Physical quantity
  • Unit: wattPerMeterSquared
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NaN = not available
G2
  • Label: G2
  • Definition: Soil Heat Flux 2
  • Type: Physical quantity
  • Unit: wattPerMeterSquared
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NaN = not available
H
  • Label: H
  • Definition: Sensible heat turbulent flux (no storage correction)
  • Type: Physical quantity
  • Unit: wattPerMeterSquared
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NaN = not available
H_SSITC_TEST
  • Label: H_SSITC_TEST
  • Definition: Results of the Steady State and Integral Turbulence Characteristics for H according to Foken (i.e. 1-9)
  • Type: Code list
  • Codes:
    • 1 = good
    • 2 = good
    • 3 = good
    • 4 = intermediate
    • 5 = intermediate
    • 6 = intermediate
    • 7 = discard
    • 8 = discard
    • 9 = discard
  • Missing values:
    • NaN = not available
LE
  • Label: LE
  • Definition: Latent heat turbulent flux (no storage correction)
  • Type: Physical quantity
  • Unit: wattPerMeterSquared
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NaN = not available
LE_SSITC_TEST
  • Label: LE_SSITC_TEST
  • Definition: Results of the Steady State and Integral Turbulence Characteristics for LE according to Foken (i.e., 1-9)
  • Type: Code list
  • Codes:
    • 1 = good
    • 2 = good
    • 3 = good
    • 4 = intermediate
    • 5 = intermediate
    • 6 = intermediate
    • 7 = discard
    • 8 = discard
    • 9 = discard
  • Missing values:
    • NaN = not available
PA
  • Label: PA
  • Definition: Atmospheric Pressure
  • Type: Physical quantity
  • Unit: kilopascal
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NaN = not available
RH
  • Label: RH
  • Definition: Relative Humidity
  • Type: Physical quantity
  • Unit: percent
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NaN = not available
T_SONIC
  • Label: T_SONIC
  • Definition: Sonic temperature
  • Type: Physical quantity
  • Unit: celsius
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NaN = not available
T_SONIC_SIGMA
  • Label: T_SONIC_SIGMA
  • Definition: Standard deviation of sonic temperature
  • Type: Physical quantity
  • Unit: celsius
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NaN = not available
TA
  • Label: TA
  • Definition: Air temperature
  • Type: Physical quantity
  • Unit: celsius
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NaN = not available
VPD
  • Label: VPD
  • Definition: Vapor Pressure Deficit
  • Type: Physical quantity
  • Unit: kilopascal
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NaN = not available
ALB
  • Label: Albedo
  • Definition: Albedo
  • Type: Physical quantity
  • Unit: percent
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NaN = not available
LW_IN
  • Label: Longwave radiation, incoming
  • Definition: Longwave radiation, incoming
  • Type: Physical quantity
  • Unit: wattPerMeterSquared
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NaN = not available
LW_OUT
  • Label: Longwave radiation, outgoing
  • Definition: Longwave radiation, outgoing
  • Type: Physical quantity
  • Unit: wattPerMeterSquared
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NaN = not available
NDVI
  • Label: NDVI
  • Definition: Normalized Difference Vegetation Index (including tidal inundation)
  • Type: Physical quantity
  • Unit: number
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NaN = not available
NDVIref
  • Label: NDVIref
  • Definition: Reference Normalized Difference Vegetation Index (no tidal inundation)
  • Type: Physical quantity
  • Unit: number
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NaN = not available
NETRAD
  • Label: Net radiation
  • Definition: Net radiation
  • Type: Physical quantity
  • Unit: wattPerMeterSquared
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NaN = not available
PPFD_IN
  • Label: PPFD_IN
  • Definition: Photosynthetic photon flux density, incoming
  • Type: Physical quantity
  • Unit: micromolePerMeterSquaredPerSecond
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NaN = not available
PPFD_OUT
  • Label: PPFD_OUT
  • Definition: Photosynthetic photon flux density, outgoing
  • Type: Physical quantity
  • Unit: micromolePerMeterSquaredPerSecond
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NaN = not available
SW_IN
  • Label: Shortwave radiation, incoming
  • Definition: Shortwave radiation, incoming
  • Type: Physical quantity
  • Unit: wattPerMeterSquared
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NaN = not available
SW_OUT
  • Label: Shortwave radiation, outgoing
  • Definition: Shortwave radiation, outgoing
  • Type: Physical quantity
  • Unit: wattPerMeterSquared
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NaN = not available
TS5
  • Label: Soil temperature @5cm
  • Definition: Soil temperature @5cm
  • Type: Physical quantity
  • Unit: celsius
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NaN = not available
TS10
  • Label: Soil temperature @10cm
  • Definition: Soil temperature @10cm
  • Type: Physical quantity
  • Unit: celsius
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NaN = not available
TS20
  • Label: Soil temperature @20cm
  • Definition: Soil temperature @20cm
  • Type: Physical quantity
  • Unit: celsius
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NaN = not available
TS40
  • Label: Soil temperature @40cm
  • Definition: Soil temperature @40cm
  • Type: Physical quantity
  • Unit: celsius
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NaN = not available
SALINITY
  • Label: SALINITY
  • Definition: SALINITY
  • Type: Physical quantity
  • Unit: partPerThousand
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NaN = not available
WTD
  • Label: Water table depth
  • Definition: Water table depth
  • Type: Physical quantity
  • Unit: meter
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NaN = not available
MO_LENGTH
  • Label: Monin-Obukhov length
  • Definition: Monin-Obukhov length
  • Type: Physical quantity
  • Unit: meter
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NaN = not available
U_SIGMA
  • Label: U_SIGMA
  • Definition: Standard deviation of velocity fluctuations (towards main-wind direction after coordinates rotation)
  • Type: Physical quantity
  • Unit: meterPerSecond
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NaN = not available
USTAR
  • Label: Friction velocity
  • Definition: Friction velocity
  • Type: Physical quantity
  • Unit: meterPerSecond
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NaN = not available
V_SIGMA
  • Label: V_SIGMA
  • Definition: Standard deviation of lateral velocity fluctuations (cross main-wind direction after coordinates rotation)
  • Type: Physical quantity
  • Unit: meterPerSecond
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NaN = not available
W_SIGMA
  • Label: W_SIGMA
  • Definition: Standard deviation of vertical velocity fluctuations
  • Type: Physical quantity
  • Unit: meterPerSecond
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NaN = not available
WD
  • Label: Wind direction
  • Definition: Wind direction
  • Type: Physical quantity
  • Unit: degree
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NaN = not available
WS
  • Label: Wind speed
  • Definition: Wind speed
  • Type: Physical quantity
  • Unit: meterPerSecond
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NaN = not available
WS_MAX
  • Label: WS_MAX
  • Definition: maximum wind speed in the averaging period
  • Type: Physical quantity
  • Unit: meterPerSecond
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NaN = not available
ZL
  • Label: ZL
  • Definition: Monin-Obukhov Stability
  • Type: Physical quantity
  • Unit: dimensionless
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NaN = not available
GPP
  • Label: GPP
  • Definition: Gross Primary Productivity (as CO2, including tidal inundation)
  • Type: Physical quantity
  • Unit: micromolePerMeterSquaredPerSecond
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NaN = not available
NEE
  • Label: NEE
  • Definition: Net Ecosystem Exchange (as CO2, including tidal inundation)
  • Type: Physical quantity
  • Unit: micromolePerMeterSquaredPerSecond
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NaN = not available
RECO
  • Label: RECO
  • Definition: Ecosystem respiration (as CO2, including tidal inundation)
  • Type: Physical quantity
  • Unit: micromolePerMeterSquaredPerSecond
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NaN = not available
Data Source Details

Header lines: 

1

Orientation: 

Column

Field delimiter: 

,

Record delimiter: 

\r\n

Number of records: 

17520