A11I
Measurements and Modeling of Stable Isotopes to Advance Understanding of Non-CO2 Greenhouse Gas Cycling and Budgets Posters

Monday, 14 December 2015: 08:00-12:20
Poster Hall (Moscone South)
Primary Conveners:  Eliza Jean Harris, Swiss Federal Institute for Materials Science and Technology, Dubendorf, Switzerland
Conveners:  Kristie A Boering, University of California Berkeley, Chemistry and Earth & Planetary Science, Berkeley, CA, United States, Nathaniel E Ostrom, Michigan State Univ, East Lansing, MI, United States and Peter Sperlich, NIWA National Institute of Water and Atmospheric Research, Wellington, New Zealand
Chairs:  Kristie A Boering, University of California Berkeley, Chemistry and Earth & Planetary Science, Berkeley, CA, United States and Eliza Jean Harris, Swiss Federal Institute for Materials Science and Technology, Dubendorf, Switzerland
OSPA Liaisons:  Eliza Jean Harris, Swiss Federal Institute for Materials Science and Technology, Dubendorf, Switzerland
 
Constructing an Atmospheric Methane Budget Using 13CH3D and CH2D2 in Sources and Sinks (82743)
Mojhgan A Haghnegahdar, University of California Los Angeles, Los Angeles, CA, United States
 
13CH3D kinetic isotope effects for methane oxidation by OH - predicting the "clumped" isotopic signature of atmospheric methane (69599)
Andrew R Whitehill1, Lars Magnus T. Joelsson2, David T Wang1, Matthew S Johnson2 and Shuhei Ono3, (1)Massachusetts Institute of Technology, Cambridge, MA, United States, (2)University of Copenhagen, Copenhagen, Denmark, (3)MIT, Cambridge, MA, United States
 
Using Divergent Δ12CH2D2 and Δ13CH3D to Trace the Provenance and Evolution of Methane Gas (75716)
Edward D Young1, Phil Freedman2, Mark Mills2 and Douglas Rumble3, (1)University of California Los Angeles, Los Angeles, CA, United States, (2)Nu Instruments Limited, Wrexham, United Kingdom, (3)Carnegie Inst Washington, Washington, DC, United States
 
Real-time analysis of δ13C- and δD-CH4 in ambient air with laser spectroscopy: Method development and intercomparison (59235)
Simon Eyer, Empa, Laboratory for Air Pollution & Environmental Technology, Duebendorf, Switzerland and Joachim Mohn, Empa, Laboratory for Air Pollution / Environmental Technology, Dübendorf, Switzerland
 
High Temporal Resolution Measurements and Modeling of the Isotopic Composition of Methane in Europe (Invited) (73300)
Thomas Röckmann, Utrecht Univ, Utrecht, Netherlands
 
WHY METHANE INCREASING IN THE ATMOSPHERE IS PUSHING US TOWARDS NEW ANALYTICAL APPROACHES FOR STABLE ISOTOPE RATIOS (Invited) (63406)
James W C White, Institute of Arctic and Alpine Research, University of Colorado, Boulder, CO, United States, Sylvia Englund Michel, University of Colorado at Boulder, Boulder, CO, United States, Bruce H Vaughn, University of Colorado, Boulder, CO, United States, John B Miller, NOAA Boulder, ESRL, Boulder, CO, United States, Kenneth Alan Masarie, NOAA, Boulder, CO, United States, Edward J Dlugokencky, NOAA Boulder, Boulder, CO, United States, Owen Sherwood, University of Colorado at Boulder, Institute of Arctic and Alpine Research, Boulder, CO, United States and Pieter P Tans, NOAA/Earth System Research Lab, Boulder, CO, United States
 
Isotope effect in the visible light photolysis of O3 and implications for the isotope effect in the O3 formation reaction (73415)
Thomas Röckmann, Utrecht University, Utrecht, 3584, Netherlands
 
Inferring global and regional methane sources and sinks using isotopic observations and atmospheric chemical transport models (Invited) (70177)
Matthew L Rigby1, Angelina Wenger2, Simon O'Doherty1, Mark F Lunt1, Anita Ganesan1, Alistair Manning3 and Ronald G Prinn4, (1)University of Bristol, Bristol, United Kingdom, (2)University of Bristol, School of Chemistry, Bristol, United Kingdom, (3)UK Meteorological Office, Exeter, United Kingdom, (4)MIT, Cambridge, MA, United States
 
Development of an atmospheric N2O isotopocule model and optimization procedure, and application to source estimation (Invited) (64256)
Kentaro Ishijima1, Masayuki Takigawa2, Kengo Sudo3, Sakae Toyoda4, Naohiro Yoshida4, Thomas Röckmann5, Jan Kaiser6, Shuji Aoki7, Shinji Morimoto7, Satoshi Sugawara8 and Takakiyo Nakazawa9, (1)JAMSTEC, Yokohama, Japan, (2)JAMSTEC Japan Agency for Marine-Earth Science and Technology, Kanagawa, Japan, (3)Nagoya University, Nagoya, Japan, (4)Tokyo Institute of Technology, Tokyo, Japan, (5)Utrecht University, Utrecht, 3584, Netherlands, (6)University of East Anglia, Norwich, NR4, United Kingdom, (7)Tohoku University, Sendai, Japan, (8)Miyagi University of Education, Sendai, Japan, (9)Tohoku Univ, Sendai, Japan
 
Near-Continuous Isotopic Characterization of Soil N2O Fluxes from Maize Production (84509)
Robert P Anex and Jordi Francis Clar, University of Wisconsin Madison, Biological Systems Engineering, Madison, WI, United States
 
Analysis of N2O isotopic composition at a tall tower in central Switzerland to identify emission sources and hot spots (71816)
Erkan Ibraim and Joachim Mohn, Empa, Laboratory for Air Pollution / Environmental Technology, Dübendorf, Switzerland
 
Understanding N2O sources and sinks with laser based isotopic analysis (59569)
Joachim Mohn, Empa, Laboratory for Air Pollution / Environmental Technology, Dübendorf, Switzerland
 
Measurement and Modeling of Site-specific Nitrogen and Oxygen Isotopic Composition of Atmospheric Nitrous Oxide at Mace Head, Ireland (48380)
Michael J McClellan1, Eri Saikawa2, Ronald G Prinn3 and Shuhei Ono3, (1)Massachusetts Institute of Technology, Cambridge, MA, United States, (2)Emory University, Atlanta, GA, United States, (3)MIT, Cambridge, MA, United States
 
Oxygen isotopic signature of N2O for distinguishing between bacterial and fungal denitrification (64455)
Lena Rohe1, Reinhard Well1,2, Dominika Lewicka-Szczebak1, Traute-Heidi Anderson1 and Anette Giesemann1, (1)Johann Heinrich von Thünen Institute, Climate-Smart Agricultre, Braunschweig, Germany, (2)Organization Not Listed, Washington, DC, United States
 
The 17O Excess of Stratospheric Nitrous Oxide in Mid-latitude Air (78414)
Anna Ridley, University of East Anglia, Norwich, NR4, United Kingdom
 
Development of Novel Instrumentation to Measure All Nitrous Oxide Mono-Substituted Rare Isotopic Species (75680)
Xu Du, Los Gatos Research, Mountain View, CA, United States
 
Stable Isotopic Signatures of CO Uptake and Emission by Soil (84450)
Elena Popa, Utrecht University, Utrecht, 3584, Netherlands
 
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