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) |