data_reporting_format_guide.md

ESS-DIVE Soil Respiration Data Reporting Format

Here you will find proposed guidelines for formatting soil respiration data

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Soil Respiration Data Reporting Format - Link to More Details

Chamber ID | Timestamp Begin | Timestamp End

CO2 Flux | Dry CO2 | CO2 Flux Standard Error

CO2 Curve Fit | CO2 R2 | Error

Ambient CO2 | Ambient Tair | Tair

PAR | RH | Ambient PAR

Ambient VPD | Ambient Precip | Tx

SMx | Soil O2 | WTD

Record | Notes

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Chamber_ID

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

Timestamp_Begin

field name	Timestamp_Begin
requirement_level	required
description	ISO timestamp begin of averaging period (up to a 12-digit integer as specified by the data's temporal resolution)
format	integer
units	YYYYMMDDHHMM

Timestamp_End

field name	Timestamp_End
requirement_level	required
description	ISO timestamp END of averaging period (up to a 12-digit integer as specified by the data's temporal resolution)
format	integer
units	YYYYMMDDHHMM

Flux_CO2

field name	Flux_CO2
requirement_level	required
description	CO2 flux (positive = to atmosphere); negative values are also acceptable
format	numeric
units	µmol CO2 m-2 s-1

Dry_CO2

field name	Dry_CO2
requirement_level	optional
description	Mean chamber CO2 concentration during measurement period
format	numeric
units	ppmv

Flux_SE_CO2

field name	Flux_SE_CO2
requirement_level	optional
description	Standard error of CO2 flux computation
format	numeric
units	µmol CO2 m-2 s-1

CrvFit_CO2

field name	CrvFit_CO2
requirement_level	optional
description	CO2 flux computation method ("Lin" or "Exp" for linear and exponential)
format	character
units

R2_CO2

field name	R2_CO2
requirement_level	optional
description	R2 of CO2 flux computation
format	numeric
units	fraction

Error

field name	Error
requirement_level	optional
description	Error generated by analyzer or during import
format	logical
units

CO2_Amb

field name	CO2_Amb
requirement_level	optional
description	Ambient CO2 concentration at measurement location
format	numeric
units	ppmv

Tair_Amb

field name	Tair_Amb
requirement_level	optional
description	Ambient air temperature at measurement location
format	numeric
units	℃

Tair

field name	Tair
requirement_level	optional
description	Air temperature inside measurement chamber
format	numeric
units	℃

PAR

field name	PAR
requirement_level	optional
description	Photosynthetically active radiation inside measurement chamber
format	numeric
units	µmol photons m-2 s-1

RH

field name	RH
requirement_level	optional
description	Relative humidity inside measurement chamber
format	numeric
units	%

PAR_Amb

field name	PAR_AMB
requirement_level	optional
description	Photosynthetically active radiation outside measurement chamber
format	numeric
units	µmol photons m-2 s-1

VPD_AMB

field name	VPD_AMB
requirement_level	optional
description	Vapor pressure deficit at measurement location
format	numeric
units	Pa

Precip_Amb

field name	Precip_Amb
requirement_level	optional
description	Precipitation at measurement location
format	numeric
units	mm

Tx

field name	Tx
requirement_level	optional
description	Soil temperature at x cm (for additional "Tx" fields, follow same format, e.g. T5, T15)
format	numeric
units	℃

SMx

field name	SMx
requirement_level	optional
description	Volumetric soil moisture at x cm depth (for additional "SMx" fields, follow the same format, e.g. SM5, SM15)
format	numeric
units	m3 m-3

Soil_O2

field name	Soil_O2
requirement_level	optional
description	Soil oxygen level at measurement chamber
format	numeric
units	%

WTD

field name	WTD
requirement_level	optional
description	Water table depth at measurement location, positive numbers are depth
format	numeric
units	cm

Record

field name	Record
requirement_level	optional
description	Record number within file
format	integer
units

Notes

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