BOOK OF ABSTRACTS The U.S. North American Carbon Program (NACP) Investigators and Joint Canada-Mexico-USA Carbon Program Planning Meetings January 22-26, 2007 Colorado Springs, Colorado USA About this Book This Book of Abstracts contains the poster abstracts scheduled to be presented at the U.S. North American Carbon Program (NACP) Investigators and Joint Canada-Mexico-USA Carbon Program Planning Meetings, January 22-26, 2007. The book is organized as follows: o Table of Contents (in electronic version, see bookmarks for navigation) o Poster Abstracts grouped by session and organized chronologically by day o Index of presenting author, ordered by last name o Index of first author, ordered by last name o Index of all authors, ordered by last name This book is available online: http://nacarbon.org/2007_meetings/ab_intro.htm Table of Contents • Names in italics are Presenters. Monday, January 22 Atmospheric Measurements and Analyses A.1 Making use of surface layer and ABL concentration measurements for regional flux analysis (Adam Wolf, Adam Hirsch, Adreas Stohl, Brent Helliker, Joe Berry) A.2 Measuring CO2 Fluxes from Space: The NASA Orbiting Carbon Observatory (OCO) (David Crisp) A.3 Mesoscale Carbon Data Assimilation for NACP (Scott Denning, Dusanka Zupankski, Marek Uliasz, Kathy Corbin, Andrew Schuh) A.4 A California Greenhouse Gas Emission Measurement Project (CALGEM) (Marc L. Fischer, William J Riley, Adam I Hirsch, Pieter Tans) 14 A.5 Developing high precision measurements of CO2 for carbon cycle studies (Heather D Graven, Thomas P Guilderson, Ralph F Keeling) Regional and Local Carbon Flux Information from a Continuous Atmospheric CO2 Network in the Rocky A.6 Mountains (Sherri Heck, Britt Stephens, Andrew Watt, David Schimel, Steve Aulenbach) Regular Vertical Profile Measurements of Atmospheric CO2 and Related Tracers over a Boreal Forest of A.7 Canada: Understanding the Atmosphere & Surface CO2 Exchange on Regional Scales (Lin Huang, Colm Sweeney, Pieter Tans, Tak Chan, Doug Worthy) An evaluation of the uncertainties of CO2 and sensible heat flux measurements from a light aircraft A.8 platform and comparison to tower-based measurements (Douglas K Martins, Karl E Garman, Paul B Shepson, Michael Jacox, James Smith, Michael Hahn, Steven Garrity, Lee Vierling, Robert Santini, Phillip Wyss, Mike Everly, Mark S Carlsen, Jim R Zimmerman, Brian H Stirm, Hans P Schmid, Chris Vogel) A.9 Geostatistical Analysis of the Spatial Covariance Structure of Modeled Column Average Dry Air Carbon Dioxide Mole Fraction Distributions (Alanood A Alkhaled, Anna M Michalak, S. Randolph Kawa, Seth C Olsen, Jih-Wang Wang) A.10 Well-calibrated CO2 observations on AmeriFlux towers to constrain the North American CO2 budget: A contribution to the continental atmospheric CO2 observational network (Natasha L. Miles, Scott J. Richardson, Martha P. Butler, David P. Tyndall, Kenneth J. Davis, A. Scott Denning) 14 A.11 Using atmospheric CO2 measurements for quantification of fossil fuel emissions and evaluation of atmospheric transport. (John B Miller, Scott J Lehman, Jocelyn Turnbull, John Southon, Pieter P Tans, Wouter Peters, James W Elkins, Colm Sweeney) A.12 Estimating local, regional and continental fluxes from the NOAA/ESRL aircraft networ (Colm Sweeney, Pieter Tans, Cyril Crevoisier, Wouter Peters, Adam Hirsch, Anna Font) A.13 High Resolution Observations of CO2 over Mexico City and the Eastern Pacific during the INTEX- B/MILAGRO Campaign (Stephanie A. Vay, Yonghoon Choi, J. Elliott Campbell, Glen W. Sachse, Glenn S. Diskin, Donald R. Blake, Nicola J. Blake, John D. Barrick, Scott R. Nolf) 1 A.14 Observations of CO2 column abundance at Park Falls Wisconsin (Gretchen Keppel-Aleks, Paul Wennberg, Rebecca Washenfelder, Geoff Toon, Zhonghua Yang) Terrestrial and Riverine Measurements and Inventories, including Flux Measurements B.1 Ten years of eddy covariance over no-till maize/soybean fields in Illinois. (Carl J Bernacchi, Steven E Hollinger, Tilden Meyers) B.2 Organic C dynamics in a pine forest soil with elevated CO2 and N fertilization (Sharon A Billings, Susan E Ziegler) B.3 Mapping Carbon Pools in the Southwestern US (Mark Chopping, Gretchen Moisen, Lihong Su, Albert Rango, Andrea Laliberte, John Martonchick, Debra Peters) B.4 Estimating Carbon Stocks at the Field-Management Scale (Michael L Thompson, Teresita T Chua, Jessica Hutchison, Ya-Fang Wu) B.5 Modeling variability in biomass consumption for estimating fire emissions (Nancy HF French, Richard B. Powell, Lucas Spaete, Bejamin W. Koziol, Luz Silverio, Eric Kasischke, William de Groot, Ron Hall, Roger Ottmar) B.6 Validation and Inter-comparison of Global Leaf Area Index products (Sebastien Garrigues, Jeff Morisette, Jaime Nickeson, Lahouari Bounoua) B.7 Determinants of Forest Soil Carbon Dynamics in Complex, Mountainous Terrain (Charles T. Garten Jr.) B.8 Ecosystem-scale parameters of CO2 exchange and productivity of grasslands and agricultural crops of North America: Comparative analysis and synthesis of flux-tower measurements (Tagir G Gilmanov, AmeriGrassFlux Data Set Participants) B.9 Remote Estimation of Gross Primary Production of Rainfed and Irrigated Crops (Anatoly A Gitelson, Andres Vina, Donald C Rundquist, Shashi B Verma) Forest age, topography and dominant tree species affect carbon exchange of central New England B.10 forests (Julian L Hadley, J. William Munger, Paul S. Kuzeja, Jessica Schedlbuaer) The Curtis Ranch Land Use Change Experiment: Measuring land use change impacts on carbon dynamics B.11 in the western Great Plains (Briggsdale, Colorado) (Niall P Hanan, Thomas Peterson, Lara Prihodko) Characterizing Organic Carbon Flux from Litter Sources to Mineral-Soil Sinks Enriched Background B.12 Isotope Study (EBIS) (1) Summary Results for Upland Oak Forests of Tennessee and (2) Plans for a Distributed EBIS-AmeriFlux Study (Paul J. Hanson, Susan Trumbore, Chris Swanston, Margaret S. Torn, Julie D. Jastrow, William J. Parton) Using model analyses and surface-atmosphere exchange measurements from the Howland AmeriFlux B.13 Site in Maine, USA, to improve understanding of forest ecosystem C cycling (David Y. Hollinger, Eric A. Davidson, David B. Dail, Andrew D. Richardson, Neal A. Scott, Jeffrey H. Gove, Susan E. Trumbore, Monique Y. Leclerc) B.14 Nature and Dynamics of Carbon Accrued in a Forest Soil during Five Years of Atmospheric CO2 Enrichment (Julie D Jastrow, Sarah L O'Brien, Timothy R Filley, Thomas W Boutton) Incorporation of Radiocarbon from Forest Litter and Roots into Microaggregate-Protected and B.15 Unprotected Soil Carbon Pools (Julie D Jastrow, Sarah L O'Brien, Kelly K Moran, Christopher W Swanston, Paul J Hanson) 2 B.16 Modeling the Spatial Distribution of Soil Organic Matter: Examples from a Northern Hardwood Forest and a Tropical Forest (Kristofer Johnson) B.17 Carbon Dioxide and Methane Fluxes from Northern Forest Soils (Peter Weishampel, Randy Kolka, Jennifer King) B.18 Complex Mechanisms Dampen Terrestrial Carbon-Cycle Feedback to Climate Warming: Results from an Experiemntal Warming Study in Great Plains (Yiqi Luo, Xuhui Zhou, Rebecca Sherry) B.19 Carbon Cycling in Mature and Harvested Black Spruce Forests in Eastern Canada (Onil Bergeron, Hank A Margolis, Marc-Andre Giasson, Carole Coursolle) B.20 Soil Organic Carbon at Depth in Cultivated Fields is Greater than in Native Lands on Wet Mollisols of the U.S. Midwest Region (Roser Matamala, Julie D. Jastrow, Susan J. Kirt, Timothy Vugteveen, Tristam O. West) B.21 Quantifying the carbon budget of developed land use in North America (Joseph P McFadden, Marvin E Bauer, Jindong Wu, Ahmed A Balogun, Emily B Peters) B.22 Determining Ecosystem Light Use Efficiency from MODIS (Karl F. Huemmrich, Elizabeth M. Middleton, Guillaume Drolet, Hank Margolis, Forrest G. Hall, Robert G. Knox) B.23 Using model data fusion to estimate Gross Primary Productivity and Ecosystem Respiration from long term measurements of Net Ecosystem Carbon Exchange of a High Elevation Forest at Niwot Ridge, CO. (David Joseph Patrick Moore, Bill Sacks, Russell Keith Monson, David Schimel) B.24 Trends in CO2 Exchange at Harvard Forest (J. William Munger, Shawn P. Urbanski, Carol Barford, Steven C. Wofsy, Chris Kucharik, Elizabeth Hammond-Pyle, John Budney, Kathryn McKain, Neil Pederson, Dave Fitzjarrald) B.25 Measurement Network for Soil Organic C Stocks in US Agricultural Lands (Stephen M Ogle, Keith Paustian, Shannon Spencer, F Jay Breidt) B.26 Controls of Net Ecosystem Exchange at an Old Field, Pine Plantation, & a Hardwood Forest Under Identical Climatic & Edaphic Conditions (Ram Oren, Gabriel Katul, Jehn-Yih Juang, Paul Stoy) B.27 The effects of elevated CO2 on carbon allocation in forests: New results from the Duke Forest FACE Experiment and synthesis of published data (Ram Oren, Heather McCarthy, Sari Palmroth, Kurt Johnsen, Adrien Finzi) B.28 Carbon storage and fluxes over a sagebrush burn chronosequence (Elise Pendall, Meagan B Cleary, Hyojung Kwon, Brent E Ewers, Kusum Naithani) B.29 Gas and Water Vapor Exchanges in Rainfed Corn-Soybean Systems in Iowa (John H Prueger, Jerry L Hatfield, Tim B Parkin, Tom J Sauer) B.30 Uncertainty in tower-based measurements of carbon and energy fluxes: A multi-site analysis (Andrew Richardson, David Hollinger) B.31 Organic Carbon Pools in Post-Agricultural and Old-Growth Forest Soils of Western New England (Arthur H Johnson, John D Clark, Suzanna L Richter, Frederick N Scatena, Henry W Art) B.32 Comparison of MODIS and tower-derived albedo values (Crystal Schaaf, Miguel Roman, Jicheng Liu, Yanmin Shuai, Qingling Zhang, Ziti Jiao, John Hodges, Alan Strahler, Jeffrey Morrisette) B.33 A Hemispherical Scanning, Below-Canopy Lidar for Rapid and Accurate Retrieval of Forest Vegetation Structure (Alan Strahler, Curtis Woodcock, Jenny Lovell, Glenn Newnham, David Jupp, Darius Culvenor, Wenge Ni- Meister, Xiaowen Li, Crystal Schaaf) B.34 The importance of heterogeneity: integrating lidar remote sensing and height-structured ecosystem models to improve estimation of forest carbon stocks and fluxes. (R Quinn Thomas, George C Hurtt, Ralph O Dubayah, K Jon Ranson, Scott V Ollinger, John D Aber) 3 B.35 High frequency measurement of soil CO2 efflux at Harvard Forest (Ruth K Varner, Patrick M.