FINAL REPORT: EDDY-COVARIANCE FLUX TOWER AND TRACER TECHNOLOGY SUPPORT FOR THE UNIVERSITY OF GEORGIA PROPOSAL: FROM TOWER TO PIXEL: INTEGRATION OF PATCH-SIZE NEE USING EXPERIMENTAL MODELING FOOTPRINT ANALYSIS. Page: 3 of 7

BNL-79473-2007-IR

Final Report
Eddy-Covariance Flux Tower and Tracer Technology Support for the University of
Georgia Proposal: From Tower to Pixel: Integration of Patch-Size NEE Using
Experimental Modeling Footprint Analyses
Project EE-544-EEBA
Institution: Brookhaven National Laboratory
Upton, NY 11973
Principal Investigator: Keith F. Lewin
Authors: Keith F. Lewin, John Nagy and Thomas B. Watson
Summary:
Brookhaven National Laboratory has been funded since October of 2000 to provide assistance to
the University of Georgia in conducting footprint analyses of individual towers based on
meteorology and trace gas measurements. Brookhaven researchers conducted air flow
measurements using perfluorocarbon tracers and meteorological instrumentation for three
experimental campaigns at an AmeriFlux research site maintained by Dr. Monique Leclerc near
Gainesville, FL. In addition, BNL provided assistance with remote data collection and
distribution from remote field sites operated by Dr. John Hom of the US Forest Service in the
Pine Barrens of New Jersey and at FACE research sites in North Carolina and Wisconsin.
Introduction:
The Office of Biological and Environmental Research (BER) in the Department of Energy
(DOE) funded Brookhaven National Laboratory (BNL) to provide assistance to the AmeriFlux
research programs from FY2001 through FY2006. The specific tasks were to assist a University
of Georgia team lead by Dr. Monique Leclerc conducting research examining the effective
footprint of individual towers in a forested ecosystem and to extend the acquired knowledge to
other research groups and programs. BNL worked with the University of Georgia to conduct
three experimental campaigns using perfluorocarbon tracers to quantify air movement through
and above a slash pine plantation ecosystem located in Gainesville, FL. BNL also designed and
deployed instrumentation and software that allow real time data collection, visualization, and
storage of multiple 10 Hz data streams using commercially available wireless networking
hardware. The custom software developed for this program can manipulate and provide quality
assurance tests to the collected data streams. These designs and computer programs were made
available to other research groups through presentations at the annual AmeriFlux science
meetings and through collaborations with individual research groups. The wireless networking
and data handling technologies developed through this project have been used in US Forest
Service projects studying the micrometeorology of the New Jersey Pine Barrens, with sap flow
and micro meteorological measurements at FACE research sites in North Carolina and
Wisconsin,

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LEWIN,K.F.; NAGY, J. & WATSON, T.B. FINAL REPORT: EDDY-COVARIANCE FLUX TOWER AND TRACER TECHNOLOGY SUPPORT FOR THE UNIVERSITY OF GEORGIA PROPOSAL: FROM TOWER TO PIXEL: INTEGRATION OF PATCH-SIZE NEE USING EXPERIMENTAL MODELING FOOTPRINT ANALYSIS., report, September 1, 2007; United States. (https://digital.library.unt.edu/ark:/67531/metadc898144/m1/3/ocr/: accessed May 23, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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