A number of posters and presentations related to work at the Luquillo-CZO will be at AGU From December 15th to December 19th. These include: 

1) H31E-0670 Using Hydrogeophysical Methods to Understand the Spatial Distribution of the Bedrock-regolith Interface in the Rio Icacos Watershed (Luquillo Critical Zone Observatory, Puerto Rico).
Moscone West Poster Hall/ Hydrogeophysical Characterization of the Critical Zone Posters  
Wednesday, December 17, 2014 8:00 AM - 12:20 PM
Xavier Comas - Florida Atlantic University, William Wright - Florida Atlantic University, Scott Hynek - Pennsylvania State University Main Campus, Joe Orlando - Pennsylvania State University, Heather Buss - University of Bristol, Susan Brantley - Pennsylvania State University Main Campus

2)  B13N-0055 Changes in Carbon Chemistry and Stability Along Deep Tropical Soil Profiles at the Luquillo Critical Zone Observatory
Monday, December 15, 2014 1:40 PM - 06:00 PM Poster
Moscone West Poster Hall
Madeleine Stone - University of Pennsylvania William Hockaday - Baylor University Alain Plante - University of Pennsylvania

3) PA13A-3895 Frontiers in Critical Zone Science: Science Advances for the Next 10 Years
Monday, December 15, 2014 1:40 PM - 06:00 PM
Moscone South    Poster Hall
Whendee Silver - University of California Berkeley

4)  B13L-04 Landscape Disturbance History and Belowground Carbon Dynamics.
Monday, December 15, 2014 2:25 PM - 02:40 PM
Moscone West 2003
Erika Marin-Spiotta - University of Wisconsin, A. Peyton Smith - University of Wisconsin Madison, Emily Atkinson - University of Wisconsin, Nina Chaopricha - University of Wisconsin

5)  EP13E-08 Age and weathering rate of sediments in small catchments: the role of hillslope erosion
Monday, December 15, 2014 3:25 PM - 03:40 PM
Moscone West 2007
Anthony Dosseto - University of Wollongong, Heather Buss - University of Bristol, François Chabaux - LHyGeS-UMR7517, EOST, INSU/CNRS

6)  B14A-01 Modeling Tropical Forests: Challenges and Opportunities
Monday, December 15, 2014 4:00 PM - 04:15 PM
Moscone West 2002
Sasha Reed - U.S. Geological Survey, Maria Uriarte - Columbia University, Tana Wood - Usda Forest Service C/o Gisel, Molly Cavaleri - Michigan Tech, Ariel Lugo - International Institute of Tropical Forestry

7) Molybdenum isotope fractionation in the critical zone
Moscone West 2007 session EP14A
Monday 5:00 to 5:15 pm
Julie Pett-Ridge, Christopher Siebert, Sophie Opfergelt, Kevin Burton, and Alexander Halliday

8) EP14B-05 The Tool-size Effect: old weathered soils limit the erosive power of bedrock streams
Monday, December 15, 2014 5:00 PM - 05:15 PM
Moscone West 2005
Jane Willenbring - University of Pennsylvania, Gilles Brocard - University of Pennsylvania

9)   B21F-0111 Soil Greenhouse Gas Flux Measurements with Automated and Manual Static Chambers, Forced Diffusion Chamber, and Concentration Profiles
Tuesday, December 16, 2014 8:00 AM - 12:20 PM
Moscone West Poster Hall
Leilei Ruan - University of California Berkeley, Patty Oikawa - University of California Berkeley, Madeleine Géli - ENSTA ParisTech, Joseph Verfaillie - University of California Berkeley, Whendee Silver - University of California Berkeley  …. Et al.

10) B21J-06Fe-C interactions and soil organic matter stability in two tropical soils of contrasting parent materials
Tuesday, December 16, 2014 9:15 AM - 09:30 AM
Moscone West 2002
Elizabeth Coward - University of Pennsylvania Aaron Thompson - University of Georgia Alain Plante - University of Pennsylvania

11) EP22B-08 Linking CZO, LTER, and NEON- Putting Biology into the Critical Zone
Tuesday, December 16, 2014 12:05 PM - 12:20 PM
Moscone West 2005
William McDowell - University of New Hampshire

12)   EP31D-3585 The Threshold of Motion Filters Extreme Climatic Fluctuations in Gravel Bedded Alluvial and Bedrock Rivers Resulting in Near-Threshold and Transported-Limited Systems
Wednesday, December 17, 2014 8:00 AM - 12:20 PM
Moscone South    Poster Hall
Colin Phillips - University of Pennsylvania, Douglas Jerolmack - University of Pennsylvania, Jane Willenbring - University of Pennsylvania

13)  EP31C-3579 FORM FOLLOWS FUNCTION: CAN TROPICAL MOUNTAIN FOREST COMPETITION DRIVE THE GROWTH OF TOPOGRAPHY?
Wednesday, December 17, 2014 8:00 AM - 12:20 PM
Moscone South Poster Hall
Gilles Brocard - Univ of Pennsylvania, Jane Willenbring - University of Pennsylvania, Frederick Scatena - University of Pennsylvania

14)   H33O-08 Granular controls on the dispersion of bed load tracers
Wednesday, December 17, 2014 3:25 PM - 03:40 PM
Moscone West    2005
Douglas Jerolmack - University of Pennsylvania, Raleigh Martin - University of California Los Angeles, Colin Phillips - University of Pennsylvania

15) B41C-0081 Diel patterns of soil respiration in a moist subtropical forest: key drivers and future research needs
Thursday, December 18, 2014 8:00 AM - 12:20 PM
Moscone West    Poster Hall
Omar Gutiérrez del Arroyo - University of California Berkeley, Tana Wood - Usda Forest Service C/o Gisel

16)    B44D-08 Making Sense of Sensors: Stream Carbon Flux Determination at the Five USGS WEBB Watersheds
Thursday, December 18, 2014 5:45 PM - 06:00 PM
Moscone West  2006
James Shanley – USGS, JohnFranco Saraceno - USGS CAWSC, Mark Dornblaser - US Geological Survey, Brent Aulenbach - USGS, Georgia Water Science Center, Alisa Mast - USGS Colorado Water Science Center Denver, David Clow - USGS Colorado Water Science Center Denver, John Walker – USGS, Krista Hood – USGS, Kimberly Wickland – USGS, Brian Pellerin - USGS California Water Science Center Sacramento, George Aiken - USGS Colorado Water Science Center Boulder, John Crawford - University of Wisconsin Madison, Robert Striegl - USGS WRD

17)   H51N-0807Identifying the Sources of Dissolved Organic Matter in Streams Using Elemental Analysis Isotopic Ratio Mass Spectroscopy (EA-IRMS) Across a Land Use Gradient.
Friday, December 19, 2014 8:00 AM - 12:20 PM
Moscone West    Poster Hall
Adam Wymore - University of New Hampshire Main Campus, Karsten Kalbitz - University of Amsterdam, Michelle Daley - University of New Hampshire, Lauren Koenig - University of New Hampshire, Shannen Miller - University of New Hampshire, William McDowell - University of New Hampshire

18)   EP53A-3615 Connecting grain motion to large-scale fluctuations in bed load transport: The role of collective dynamics
Friday, December 19, 2014 1:40 PM - 06:00 PM
Moscone South  Poster Hall
Dylan Lee - University of Pennsylvania, Douglas Jerolmack - Univ of PA-Earth &Envir Scienc

19) EP53C-3673 The Contribution of Abrasion and Size-Selective Sorting to Downstream Fining in a Tropical Montane Stream
Friday, December 19, 2014 1:40 PM - 06:00 PM
Moscone South Poster Hall
Timea Szabo - Budapest University of Technology and Economics, Kimberly Miller - University of Pennsylvania, Douglas Jerolmack - University of Pennsylvania, Gabor Domokos - Budapest University of Technology and Economics

20) B54D-07 Iron: A Biogeochemical Engine That Drives Carbon, Nitrogen, and Phosphorus Cycling in Humid Tropical Forest Soils
Friday, December 19, 2014 5:30 PM - 05:45 PM
Moscone South 102
Whendee Silver - University of California Berkeley, Steven Hall - University of Utah, Aaron Thompson - University of Georgia, Wendy Yang - University of Illinois at Urbana Champaign