ESS-DIVE Soil Respiration Chamber Level Metadata Guide

Here you will find proposed guidelines for standardizing chamber level soil respiration data
Fan | Species

Chamber ID

field name
Chamber_ID
requirement level
required
description
Unique chamber label; must appear in flux data table as well
format
character
units

Measurement variable

field name
Msmt_Var
requirement level
required
description
Flux should be interpreted as: "Rs" (soil respiration, whether CO2 or CH4), "Rh" (heterotrophic respiration only), "Reco" (ecosystem respiration), or "NEE" (net ecosystem exchange)
format
character
units

Treatment

field name
Treatment
requirement level
required
description
Soil or ecosystem treatment applied at measurement location; default is "None"
format
character
units

Opaque

field name
Opaque
requirement level
required
description
Opaque chamber?
format
logical
units

Plants removed

field name
Plants_Removed
requirement level
required
description
Plants removed from inside collar?
format
logical
units

Instrument

field name
Instrument
requirement_level
required
description
Measurement instrument (i.e. model)
format
character
units

Longitude

field name
Longitude
requirement level
optional
description
Decimal longitude of measurement location, positive = east
format
numeric
units
degrees

Latitude

field name
Latitude
requirement level
optional
description
Decimal latitude of measurement location, positive = north
format
numeric
units
degrees

Area

field name
Area
requirement level
optional
description
Soil surface measurement area
format
numeric
units
cm2

Volume

field name
Volume
requirement level
optional
description
Volume of measurement chamber
format
numeric
units
cm3

Observation Count

field name
Obs_Count
requirement level
optional
description
Observation count representing how many measurement cycles were completed and used to calculate the flux
format
numeric
units

Collar depth

field name
Collar_Depth
requirement level
optional
description
Depth of collar insertion
format
numeric
units
cm

Fan

field name
Fan
requirement level
optional
description
Mixing fan in chamber?
format
logical
units

Species

field name
Species
requirement level
optional
description
Comma-separated list of dominant species at measurement location
format
character
units

Sensor depths

field name
Sensor_Depths
requirement level
optional
description
Comma-separated depths of solid-state sensors, gradient method only
format
character
units
cm

Notes

field name
Notes
requirement_level
optional
description
Additional information about this measurement location
format
character
units