United States: North Carolina: Duke Forest - loblolly pine
Latitude: 35.978166
Longitude: -79.094196
- 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
- Start date: 1993-1996 (modeled) 1996
- Flux methods:
- Eddy Covariance
- Optical data collection:
- Start date: May 2004
- End date: 2007
- Start date: May 2004
- 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.
External homepage: https://ameriflux.lbl.gov/sites/siteinfo/US-Dk3
Data download: https://facedata.ornl.gov/duke/duke_data_co2weather.html