| DE_Tha_Jun_2014 {bigleaf} | R Documentation |
Eddy Covariance Data of DE-Tha (Tharandt)
Description
Halfhourly eddy covariance Data of the site DE-Tha, a spruce forest in Eastern Germany (https://sites.fluxdata.org/DE-Tha/). Data are from June 2014.
Usage
DE_Tha_Jun_2014
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]
Note
The original variable names as provided by the FLUXNET2015 dataset are given in squared brackets. Note that variable units have been converted in some cases (e.g. VPD from hPa to kPa).
Source
original data were downloaded from https://fluxnet.org/ (accessed 09 November 2016)