United States: North Carolina: Duke Forest - loblolly pine

Latitude: 35.978166
Longitude: -79.094196

Free Air Co2 Enrichment (FACE) project. (Photo by Will Owens)
Free Air Co2 Enrichment (FACE) project. (Photo by Will Owens)

  • Network: AmeriFlux
  • Principal investigator: David Ellsworth
  • PI-affiliated institution: Brookhaven National Laboratory
  • Primary IGBP ecosystem type: Evergreen Needleleaf Forests
  • Dominant plant functional type: Evergreen Needleleaf trees
  • Recent and historic disturbance and management events that may affect this site:
    • Fire: Wildfire or managed burns
    • Forestry: Forest management such as logging of any kind, plantation planting, or herbicide application.
  • Flux data collection:
    • Start date: 1993-1996 (modeled) 1996
    • End date: 2007
  • Flux methods:
    • Eddy Covariance
  • Optical data collection:
    • Start date: May 2004
    • End date: 2007
  • Data collection period: Continuous operation: Variable collected continuously with the reported method.
  • Data scale: Stand
  • Collection methods: Tower
  • Types of data collected: PAR (Radiation and Energy Balance Systems, Q*7.1), PYR (Radiation and Energy Balance Systems, Q*7.1), Acoustic measurements (Sonic Anemometer, Campbell Scientific, CSAT3),
  • Publications:
    • Hymus, Graham J., David S. Ellsworth, Neil R. Baker, and Stephen P. Long. "Does free-air carbon dioxide enrichment affect photochemical energy use by evergreen trees in different seasons? A chlorophyll fluorescence study of mature loblolly pine." Plant Physiology 120, no. 4 (1999): 1183-1192.
    • Luo, Yiqi, Belinda Medlyn, Dafeng Hui, David Ellsworth, James Reynolds, and Gabriel Katul. "Gross primary productivity in Duke Forest: modeling synthesis of CO2 experiment and eddy-flux data." Ecological Applications 11, no. 1 (2001): 239-252.
    • Hendrey, George R., David S. Ellsworth, Keith F. Lewin, and John Nagy. "A free-air enrichment system for exposing tall forest vegetation to elevated atmospheric CO2." Global Change Biology 5, no. 3 (1999): 293-309.
    • Dobson, M. Craig, Fawwaz T. Ulaby, T. LeToan, Andre Beaudoin, Eric S. Kasischke, and Norm Christensen. "Dependence of radar backscatter on coniferous forest biomass." Geoscience and Remote Sensing, IEEE Transactions on 30, no. 2 (1992): 412-415.

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