Site Metadata Variables

All Site metadata variables start with si_ followed by name

Variable Definition Expected value
si_name Site name Text
si_country Country code Drop-down selection
si_contact_firstname Data contributor first name Text
si_contact_lastname Data contributor last name Text
si_contact_email Data contributor email Text
si_contact_institution Data contributor institution Text
si_addcontr_firstname Additional contributor first name Text (Optional)
si_addcontr_lastname Additional contributor last name Text (Optional)
si_addcontr_email Additional contributor email Text (Optional)
si_addcontr_institution Additional contributor institution Text (Optional)
si_lat Latitude Numeric, decimal format
si_long Longitude Numeric, decimal format
si_elev Elevation above sea level Numeric, more than -100
si_igbp Vegetation type based on IGBP definition Drop-down selection
si_paper Paper with relevant information to understand the site DOI Links (e.g. http://dx.doi.org/10.1111/nph.12278)
si_dist_mgmt Recent and historic disturbance and management events that affect the measurement years Drop-down selection
si_flux_network Site participating in the FLUXNET network Logical (TRUE or FALSE)
si_dendro_network Site participating in the DENDROGLOBAL network Logical (TRUE or FALSE)
si_remarks Remarks and commentaries useful to grasp some site-specific peculiarities Text (Optional)
si_code Internal site code Automatic text

Stand Metadata Variables

All Stand metada variables start with st_ followed by name

Variable Definition Expected value
st_name Stand name Text
st_growth_condition Growth condition with respect to stand origin and management Drop-down selection
st_treatment Treatment applied at stand level Text (Optional)
st_age Mean stand age at the moment of sap flow measurements Numeric, more than 0
st_height Canopy height Numeric, more than 0
st_density Total stem density Numeric, more than 0
st_basal_area Total stand basal area Numeric, more than 0
st_lai Total maximum stand leaf area (one-sided, projected) Numeric, more than 0
st_aspect Aspect the stand is facing (exposure) Drop-down selection
st_terrain Slope and/or relief if the stand Drop-down selection
st_soil_depth Soil depth Numeric, more than 0
st_soil_texture Soil texture class, based on USDA classification Drop-down selection
st_sand_perc Soil sand content, % mass Numeric, between 0 and 100
st_silt_perc Soil silt content, % mass Numeric, between 0 and 100
st_clay_perc Soil clay content, % mass Numeric, between 0 and 100
st_remarks Remarks and commentaries useful to grasp some stand-specific peculiarities Text (Optional)

Species Metadata Variables

All Species metadata variables start with sp_ followed by name

Variable Definition Expected value
sp_name Identity of each measured species Text, scientific name without author abbreviation. Each species have its own column
sp_ntrees Number of trees measured of each species Numeric, more than 0
sp_leaf_habit Leaf habit of the measured species Drop-down selection
sp_basal_area_perc Basal area of occupied by each measured species, in percentage over total stand basal area Numeric, between 0 and 100

Plant Metadata Variables

All Plant metadata variables start with pl_ followed by name

Variable Definition Expected value
pl_name Plant code assigned by data contributors Free (numeric and/or text)
pl_species Species identity of the measured plant Text, scientific name without author
pl_treatment Experimental treatment (if any) Text (Optional)
pl_dbh Diameter at breast height Numeric, more than 0
pl_height Plant height Numeric, more than 0
pl_age Plant age at the moment of measure Numeric, more than 0
pl_social Social status Drop-down selection
pl_sapw_area Cross-sectional sapwood area Numeric, more than 0
pl_sapw_depth Sapwood depth, measured at breast height Numeric, more than 0
pl_bark_thick Plant bark thickness Numeric, more than 0
pl_leaf_area Leaf area Numeric, more than 0
pl_sens_meth Sap flow measures method Drop-down selection
pl_sens_man Sap flow measures sensor manufacturer Drop-down selection
pl_sens_cor_grad Correction for natural temperature gradients method Drop-down selection
pl_sens_cor_zero Zero flow determination method Drop-down selection
pl_sens_calib Species-specific calibration used Drop-down selection
pl_sap_units Units of sap flow measured (by individual plant or per sapwood area) Drop-down selection
pl_sens_length Length of the needles or electrodes forming the sensor Numeric, more than 0
pl_sens_hgt Sensor installation height, measured from the ground Numeric, more than 0
pl_sens_timestep Subdaily time step of sensor measures Numeric, more than 0
pl_radial_int Procedure for radial integration of whole-plant sap flow Drop-down selection
pl_azimut_int Procedure for azimuthal integration of whole-plant sap flow Drop-down selection
pl_remarks Remarks and commentaries useful to grasp some plant-specific peculiarities Text (Optional)
pl_code Internal plant code Automatic text

Environmental Metadata Variables

All Environmental metadata variables start with env_ followed by name

Variable Definition Expected value
env_time_zone Time zone used in timestamps Drop-down selection
env_time_daylight Daylight saving time applied Logical (TRUE or FALSE)
env_timestep Timestep of enviromental measures Numeric, more than 0
env_ta Location of air temperature sensor Drop-down selection
env_rh Location of relative humidity sensor Drop-down selection
env_vpd Location of relative vapour pressure deficit sensor Drop-down selection
env_sw_in Location of shortwave incoming radiation sensor Drop-down selection
env_ppdf_in Location of incoming photosynthetic photon flux density sensor Drop-down selection
env_netrad Location of net radiation sensor Drop-down selection
env_ws Location of wind speed sensor Drop-down selection
env_precip Location of precipitation sensor Drop-down selection
env_swc_shallow_depth Average depth for shallow soil water content measures Numeric, more than 0
env_swc_deep_depth Average depth for deep soil water content measures Numeric, more than 0
env_plant_watpot Availability of water potential values for the same measured plants during the sap flow measures period Drop-down selection
env_leafarea_seasonal Availability of seasonal course leaf area data and level Drop-down selection
env_remarks Remarks and commentaries useful to grasp some environmental-specific peculiarities Text (Optional)