• Network: AmeriFlux
  
• Principal investigator: David Ellsworth
  
• PI-affiliated institution: Brookhaven National Laboratory
  
• Primary IGBP ecosystem type: Deciduous Broadleaf Forests
  
• Dominant plant functional type: Deciduous Broadleaf trees
  
• Recent and historic disturbance and management events that may affect this site:
  • Agriculture: Agricultural management of any kind, such as cultivation (including tillage, plowing, or discing), harvest, irrigation, pesticides, planting, or liming
  • Forestry: Forest management such as logging of any kind, plantation planting, or herbicide application
• Flux data collection:
  • Start date: 2000
    
  • End date: 2008
    
• Flux methods:
  • Eddy Covariance
• Optical data collection:
  • Start date: 2002
    
  • 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 (Kipp & Zonen, NR-LITE), PYR (Kipp & Zonen, NR-LITE), Biomass (AgBiomassTW gC/m2 (ground) Aboveground biomass of tree wo), LAI (d, m2/m2 Leaf Area Index (total)
  
• Publications:
  • Oren, Ram, David S. Ellsworth, Kurt H. Johnsen, Nathan Phillips, Brent E. Ewers, Chris Maier, Karina VR Schäfer et al. "Soil fertility limits carbon sequestration by forest ecosystems in a CO2-enriched atmosphere." Nature 411, no. 6836 (2001): 469-472.
  • Mahadevan, Pathmathevan, Steven C. Wofsy, Daniel M. Matross, Xiangming Xiao, Allison L. Dunn, John C. Lin, Christoph Gerbig, J. William Munger, Victoria Y. Chow, and Elaine W. Gottlieb. "A satellite-based biosphere parameterization for net ecosystem CO2 exchange: Vegetation Photosynthesis and Respiration Model (VPRM)." Global Biogeochemical Cycles 22, no. 2 (2008).

External homepage:  https://ameriflux.lbl.gov/sites/siteinfo/US-Dk2

Data download: https://www.osti.gov/dataexplorer/biblio/dataset/1246047