FLUXNET

Teaser image
FLUXNET
Main content

"FLUXNET is a global network of micrometeorological flux measurement sites that measure the exchanges of carbon dioxide, water vapor, and energy between the biosphere and atmosphere. At present over 140 sites are operating on a long-term and continuous basis. Vegetation under study includes temperate conifer and broadleaved (deciduous and evergreen) forests, tropical and boreal forests, crops, grasslands, chaparral, wetlands, and tundra. Sites exist on five continents and their latitudinal distribution ranges from 70°N to 30°S." (Baldocchi, 2001)
The flux tower sites use eddy covariance methods to measure the exchanges of carbon dioxide (CO2), water vapor, and energy between terrestrial ecosystems and the atmosphere.

Key Strengths

Key Strengths

Over 500 tower sites are operated on a long-term and continuous basis with a wide range of vegetation types.

Key Limitations

Key Limitations

Most flux tower sites have data gaps and some have energy and water balance closure problems

Data spread out over multiple download sites. Inconvenient!

Please cite data sources, following the data providers' instructions
Suggested Data Citation
Dataset DOIs
None
Hosted Climate Index Files
None
Usage Restrictions
None

Key Figures

FLUXNET: Net Ecosystem Exchange CO2, latent and sensible heat for 1992 at Harvard Forest: Total (blue), Day (red), Night (green). [Climate Data Guide; D. Shea]

Other Information

Earth system components and main variables
Type of data product

Years of record
None
Data time period extended
Yes, data set is extended
Timestep
Sub-daily
Domain
Formats:
Input Data
None
Vertical Levels:
Missing Data Flag
Missing data present
Ocean or Land
Land Only
Spatial Resolution

Typical flux tower site footprint (~km)

Model Resolution (reanalysis)
None
Data Assimilation Method
None
Model Vintage (reanalysis)
None