General Site Information
Site ID:US-Dk1
Site Name:Duke Forest-open field
Tower Team: PI: Chris Oishi <> - USDA Forest Service
PI: Kim Novick <> - Indiana University
PI: Paul Stoy <> - Montana State University
Elevation (m):168
IGBP:GRA (Grasslands)
Climate Koeppen:Cfa (Humid Subtropical: mild with no dry season, hot summer)
Mean Annual Temperature (degrees C):14.36
Mean Annual Precipitation (mm):1170
Data Products: AmeriFlux BASE Dataset
FLUXNET LaThuile Dataset
Data Availability: AmeriFlux BASE:   8 years (Duration: 2001 - 2008)
FLUXNET LaThuile:   5 years (Duration: 2001 - 2005)
Data Downloads to Date: AmeriFlux BASE:   180 unique downloads
FLUXNET LaThuile:   76 unique downloads
Data DOIs: AmeriFlux BASE DOI: 10.17190/AMF/1246046
Description:The Duke Forest grass field is approximately 480×305 m, dominated by the C3 grass Festuca arundinacea Shreb. (tall fescue) includes minor components of C3 herbs and the C4 grass Schizachyrium scoparium (Michx.) Nash, not considered here. The site was burned in 1979 and is mowed annually during the summer for hay according to local practices. Lai, C.T. and G.G. Katul, 2000, "The dynamic role of root-water uptake in coupling potential to actual transpiration" , Advances in Water Resources, 23, 427-439; Novick , K.A., P. C. Stoy, G. G. Katul, D. S. Ellsworth, M. B. S. Siqueira, J. Juang, R. Oren, 2004, Carbon dioxide and water vapor exchange in a warm temperate grassland, Oecologia, 138, 259-274; Stoy PC, Katul GG, Siqueira MBS, Juang J-Y, McCarthy HR, Oishi AC, Uebelherr JM, Kim H-S, Oren R (2006). Separating the effects of climate and vegetation on evapotranspiration along a successional chronosequence in the southeastern U.S. Global Change Biology 12:2115-2135
Site image(s):
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Publications relevant to understanding the site
B. Bond-Lamberty; C. K. Wang; S. T. Gower. 2004. A global relationship between the heterotrophic and autotrophic components of soil respiration?Global Change Biology. 10:10, 1756-1766. Reference
D. S. Ellsworth; P. B. Reich; E. S. Naumburg; G. W. Koch; M. E. Kubiske; S. D. Smith. 2004. Photosynthesis, carboxylation and leaf nitrogen responses of 16 species to elevated pCO(2) across four free-air CO2 enrichment experiments in forest, grassland and desertGlobal Change Biology. 10:12, 2121-2138. Reference
G. Katul; R. Leuning; R. Oren. 2003. Relationship between plant hydraulic and biochemical properties derived from a steady-state coupled water and carbon transport modelPlant, Cell and Environment. 26:3, 339-350. Reference
R. Oren; C. I. Hsieh; P. Stoy; J. Albertson; H. R. McCarthy; P. Harrell; G. G. Katul. 2006. Estimating the uncertainty in annual net ecosystem carbon exchange: spatial variation in turbulent fluxes and sampling errors in eddy-covariance measurementsGlobal Change Biology. 12, 883-896. Reference

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