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bigleaf (version 0.7.0)

DE_Tha_Jun_2014: Eddy Covariance Data of DE-Tha (Tharandt)

Description

Halfhourly eddy covariance Data of the site DE-Tha, a spruce forest in Eastern Germany (http://sites.fluxdata.org/DE-Tha). Data are from June 2014.

Usage

DE_Tha_Jun_2014

Arguments

Format

A data frame with 1440 observations and 32 columns:

year

year of measurement

month

month of measurement

doy

day of year

hour

hour (0 - 23.5)

Tair

Air temperature (degC) [TA_F]

Tair_qc

Quality control of Tair [TA_F_QC]

PPFD

Photosynthetic photon flux density (umol m-2 s-1) [PPFD_IN]

PPFD_qc

Quality control of PPFD [PPFD_IN_QC]

VPD

Vapor pressure deficit (kPa) [VPD_F]

VPD_qc

Quality control of VPD [VPD_F_QC]

pressure

Atmospheric pressure (kPa) [PA_F]

precip

precipitation (mm) [P_F]

precip_qc

Quality control of precip [P_F_QC]

ustar

friction velocity (m s-1) [USTAR]

wind

horizontal wind velocity (m s-1) [WS_F]

wind_qc

Quality control of wind [WS_F_QC]

Ca

CO2 concentration (ppm) [CO2_F_MDS]

Ca_qc

Quality control of Ca [CO2_F_MDS_QC]

LW_up

upward longwave radiation (W m-2) [LW_OUT]

LW_down

downward longwave radiation (W m-2) [LW_IN_F]

Rn

Net radiation (W m-2) [NETRAD]

LE

Latent heat flux (W m-2) [LE_F_MDS]

LE_qc

Quality control of LE [LE_F_MDS_QC]

H

Sensible heat flux (W m-2) [H_F_MDS]

H_qc

Quality control of H [H_F_MDS_QC]

G

Ground heat flux (W m-2) [G_F_MDS]

G_qc

Quality control of G [G_F_MDS_QC]

NEE

Net ecosystem exchange (umol m-2 s-1) [NEE_VUT_USTAR50]

NEE_qc

Quality control of NEE [NEE_VUT_USTAR50_QC]

GPP

Gross primary productivity from nighttime partitioning (umol m-2 s-1) [GPP_NT_VUT_USTAR50]

GPP_qc

Quality control of GPP [NEE_VUT_USTAR50_QC]

Reco

Ecosystem respiration from nighttime partitioning (umol m-2 s-1) [RECO_NT_VUT_USTAR50]