Download the GGMT-2015 Program (367 pdf)

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Sunday, September 13, 2015
All day: Kayak La Jolla Shores and beach activities
18:00   Ice Breaker
Monday, September 14, 2015
8:00   Registration
9:00   Opening Remarks

Airborne measurements of oxygen concentration from the surface to the lower stratosphere,*Britt Stephens

10:10   Photo and Coffee Break
Urban Networks and Megacities – Chair: Britt Stephens
10:40 T2 Assessing CO₂ emissions from Paris megacity: first lessons from our atmospheric CO₂ network, co-emitted species and carbon isotopes; observation strategy for future urban CO₂ networks, *Irène Xueref-Remy
11:00 T3 Indianapolis flux (INFLUX) in-situ network: quantification of urban atmospheric boundary layer greenhouse gas dry mole fraction enhancements, *Natasha Miles
11:10 T4 Early results from the Los Angeles megacity carbon project: exploring spatial and temporal variability in urban greenhouse gas observations, *Kristal Verhulst
11:20 T5 Observations of atmospheric CO2, CO and CO2 isotopes across an experimental tower network in California, *Heather Graven
11:30 T6 History of WMO CO2 X2007 scale: long-term reproducibility, *Pieter Tans

GHG Standards & Comparison Activities–Chair: Britt Stephens

11:50 T7 Results from the latest Round-Robbin comparison, *Lingxi Zhou

Lunch Break

GHG Standards & Comparison Activities, continued – Chair: Gordon Brailsford
13:20 T8

Comparison of CO₂ in air standards for background and urban GHG measurements, *Joële Viallon

13:40 T9 Update and expansion of the WMO X2004 methane mole fraction scale, *Ed Dlugokencky
14:00 T10 WMO/GAW greenhouse gas calibration scales: definitions, uncertainties, and future directions, *Brad Hall
14:20 T11

Reference standards for carbon dioxide and other high impact greenhouse gases, *Paul Brewer


Recommendations 1, 2: Calibration of GAW & CO₂ Calibration
Discussion leader: Brad Hall




Poster Session A


Recommendations 6, 7, 8: Calibration of CH₄, N₂O, SF₆
Discussion leader: Andrew Crotwell



Tuesday, September 15, 2015

GHG Standards & Comparison Activities, continued – Chair: Brad Hall

8:30 T12

Update on the WMO H₂ X2009 scale, *Armin Jordan

8:50 T13 Tracking drift in WMO primary CO standards, *Andrew Crotwell
9:10 T14

A new scale for measurements of atmospheric carbon monoxide, *Paul Novelli

Isotope Measurements – Chair: Brad Hall
9:30 T15 KEYNOTE:

Stable isotopes of atmospheric gases measured by the NOAA-CU INSTAAR Cooperative Program, *James White


Coffee Break

Isotope Measurements, continued – Chair: Heather Graven

Jena ISO-CCL and the JRAS−06 scale for atmospheric CO₂, *Willi Brand

10:35 T17 IAEA stable isotope reference materials: addressing the needs of the atmospheric monitoring, *Sergey Assonov
10:50 T18 Compatibility of low level counting (LLC) and accelerator mass spectrometry (AMS) techniques for atmospheric radiocarbon measurements: a status report of the buildup of the ICOS Central Radiocarbon Laboratory (CRL), *Samuel Hammer
11:10 T19 A proposal for a suite of isotope reference gases for CH₄ in synthetic air, *Peter Sperlich
11:30   Recommendations 3, 4: Stable isotopes and radiocarbon
Discussion Leader: Willi Brand

Lunch Break (including vendor presentations)

GHG Standards & Comparison Activities, continued – Chair: Armin Jordan
13:20 T20

Traceability of measurements within the Global Atmosphere Watch programme: results from the World Calibration Centre WCC-EMPA, *Christoph Zellweger

13:40 T21 An update of comparisons of non-CO₂ trace gas measurements between AGAGE and NOAA at common sites, *Paul Krummel
13:50 T22

Compatibility of atmospheric greenhouse gas measurements in Europe as assessed by the‘Cucumbers’ Intercomparison Programme, *Andrew Manning

Measurement Techniques & Calibration – Chair: Tim Lueker
14:00 T23

Regular airborne GHG observations within IAGOS: QA/QC approach, *Christoph Gerbig

14:20 T24 PERSEUS: a sample pre-concentration and GC/MS detector system for analysis of flask air samples for atmospheric trace halocarbons, hydrocarbons and sulfur-containing compounds,
*Benjamin Miller
14:40   Excursion to Torrey Pines Park or Downtown La Jolla
17:30   Break
18:30   Banquet at Birch Aquarium


Wednesday, September 16, 2015
Ocean Measurements – Chair: Ralph Keeling
8:30 T25

An overview of the Scripps program to produce and distribute reference materials for oceanic CO₂ measurements, *Andrew Dickson

8:50 T26 Recommendations for ocean and atmospheric measurements of CO₂ on ships of opportunity, *Colm Sweeney
Site and Network Updates – Chair: Ralph Keeling
9:10 T27

UK DECC & GAUGE tall tower networks and integration with other greenhouse gas data streams, *Ann Stavert

9:30   Speed talks

Coffee Break

Site and Network Updates – Chair: Martina Schmidt

Speed talks


Poster Session B


Recommendations 13, Cooperative WMO/GAW network

12:10   Lunch Break (including vendor presentations)
Measurement Techniques & Calibration, continued – Chair : Andrew Manning
13:30 T28 Trends of methane emissions in southern Germany derived from 24 years of atmospheric methane and radon measurements at Schauinsland station, *Martina Schmidt
13:50 T29 High-precision in situ atmospheric measurements of COS, CO₂, CO and H₂O at the Lutjewad tower in the Netherlands, *Huilin Chen
14:10 T30 A system for continuous measurements of atmospheric O₂/N₂ and Ar/N₂ ratio, stable isotopic ratios of N₂, O₂ and Ar and its application in preparing gravimetric standards for atmospheric O₂/N₂ ratio, *Shigeyuki Ishidoya
14:30 T31 Interferometric and mass spectrometric measurements of O₂/N₂ ratio at the Scripps Institution of Oceanography, *Ralph Keeling
14:50   Break
15:10   Side sessions and lab tours
16:40   Recommendations 9, 10: CO and H₂ calibration
Discussion Leader: Armin Jordan
17:10   Additional lab tours


Thursday, September 17, 2015
Emergent Techniques – Chair: Pieter Tans
8:30 T32

Regional and global atmospheric CO₂ measurements using 1.57 micron IM-CW Lidar, *Bing Lin

8:50 T33 In situ methane in the third dimension – using drones to 3000m in Ascension Island, to sample tropical air, *Rick Thomas
9:10 T34 Long open path Fourier Transform spectroscopy measurements of greenhouse gases in the atmosphere, *David Griffith
9:30 T35 KEYNOTE:

An update on recent results from OCO-2 and the TCCON network, *Paul Wennberg


Coffee Break

Emergent Techniques, continued – Chair: James Butler
10:30 T36

Trace gas measurements by GC-PDD, *Blagoj Mitrevski

Integration of Observations, Data Products and Policy – Chair: James Butler
10:50 T37

Complementary ObsPack data products: a new way to think about cooperative data products, *Ken Masarie

11:10 T38 Proposed new interface for metadata input at the WDCGG website, *Mayu Yamamoto
11:30 T39 Informing policy with observations and modeling – an opportunity, *James Butler
11:50   Lunch Break (including vendors presentations)

Recommendations 12. Data management and archiving
Discussion Leaders: Ken Masarie, Hiroshi Koide

Isotope Measurements, continued – Chair: Willi Brand
13:40 T40 A 21st century shift from fossil-fuel to biogenic methane emissions indicated by 13CH₄, *Sara Mikaloff Fletcher
14:00 T41 60 years of southern hemisphere 14CO₂ observed at Wellington, New Zealand, *Jocelyn Turnbull
14:20 T42 Measurements of the stable isotopes 13C and 18O in atmospheric CO at IMAU, Utrecht university (NL), *Maria Elena Popa
14:40   Break
15:10   Expert group recommendations

Final Adjournment

Sponsored By:

Earth Networks EcoTech Picarro
Li-Cor LGR Thermo Scientific

Photo credits (left to right)
All photos courtesy of Scripps Institution of Oceanography. Flowers/Pier: Jeff Dillon / Scripps Oceanography. Rainbow/Pier: Jeff Dillon / Scripps Oceanography.Forum:Blaize Mekinna / Scripps Oceanography.

Content is subject to change without notice. Please refer to the activity website for the most current information.
© 2015 Scripps Institution of Oceanography, UC San Diego