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)


[Package bigleaf version 0.8.2 Index]