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. 2020 Jul 9;7:225. doi: 10.1038/s41597-020-0534-3

Table 1.

The template of file naming conventions, including the field, field definition, and the possible options.

File Name Conventions
FLX_[SITE_ID]_FLUXNET2015_[DATA_PRODUCT]_[RESOLUTION]_[FIRST_YEAR]-[LAST_YEAR]_
[SITE_VERSION]-[CODE_VERSION].[EXT]
Field Definition Possible options
SITE_ID FLUXNET site ID in the format CC-SSS (CC is two-letter country code, SSS is three-character site-level identifier)
DATA_PRODUCT Grouping of variables from release included in file.

• SUBSET: Core set of variables with quality and uncertainty information needed for general uses of the data

• FULLSET: All variables, including all quality and uncertainty information, and key variables from intermediate processing steps

• AUXMETEO: Auxiliary variables related to meteorological downscaling

• AUXNEE: Auxiliary variables related to NEE, RECO, and GPP processing

• ERAI: Full record (1989–2014) of ERA-Interim downscaled meteorological variables for the site
RESOLUTION Temporal resolution of data product

• HH: Half-Hourly time steps

• HR: Hourly time steps

• DD: Daily time steps

• WW: Weekly time steps

• MM: Monthly time steps

• YY: Yearly time steps

FIRST_YEAR

LAST_YEAR

 First and last years of eddy covariance flux data

SITE_VERSION

CODE_VERSION

 Version string in integer. SITE_VERSION indicates the version of the original dataset for the site used; CODE_VERSION indicates the version of the code of the data processing pipeline used to process the dataset for the site
EXT File extension

• csv: Comma-separated values in a text file (ASCII)

• zip: Archive file with all temporal resolutions for the same site and data product

Examples of file names and structures:

FLX_US-Ha1_FLUXNET2015_FULLSET_HH_1992-2012_1-3.zip

- FLX_US-Ha1_FLUXNET2015_FULLSET_HH_1992-2012_1-3.csv

- FLX_US-Ha1_FLUXNET2015_FULLSET_DD_1992-2012_1-3.csv

- FLX_US-Ha1_FLUXNET2015_FULLSET_WW_1992-2012_1-3.csv

- FLX_US-Ha1_FLUXNET2015_FULLSET_MM_1992-2012_1-3.csv

- FLX_US-Ha1_FLUXNET2015_FULLSET_YY_1992-2012_1-3.csv

- FLX_US-Ha1_FLUXNET2015_ERAI_HH_1992-2012_1-3.csv

- FLX_US-Ha1_FLUXNET2015_ERAI_DD_1992-2012_1-3.csv

- FLX_US-Ha1_FLUXNET2015_ERAI_WW_1992-2012_1-3.csv

- FLX_US-Ha1_FLUXNET2015_ERAI_MM_1992-2012_1-3.csv

- FLX_US-Ha1_FLUXNET2015_ERAI_YY_1992-2012_1-3.csv

- FLX_US-Ha1_FLUXNET2015_AUXMETEO_1992-2012_1-3.csv

- FLX_US-Ha1_FLUXNET2015_AUXNEE_1992-2012_1-3.csv

Examples of file names from a zipped file of a single site are provided.