| Program
    Monday:      
| 9:00 | 0:30:00 | Yao Te |  | Welcome & Logistics |  
|  |  | Hervé Le Treut |  | Welcome: Director of IPSL |  
|  |  | Darek Lis |  | Welcome: Director of LERMA |  
| 9:30 | 0:45:00 | Jim & Thomas | IRWG | Steering Committee Update + Discussion |  
| 10:15 | 0:15:00 | Grutter Michel | SR | Altzomoni Site Report |  
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| 10:30 | 0:50:00 |  |  | Coffee (10:30-11:00) & Posters |  
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| 11:20 | 0:10:00 | Sussmann Ralf | SR | Zugspitze and Garmisch site news |  
| 11:30 | 0:05:00 | Kimberly Strong | SR | Eureka Site Report |  
| 11:35 | 0:10:00 | Nagahama Tomoo | SR | Site report on Rikubetsu and Moshiri as an NDACC site |  
| 11:45 | 0:10:00 | Nicholas Jones | SR | Wollongong Site Report & Addis Ababa Update |  
| 11:55 | 0:15:00 | Ivan Ortega | SR | Thule & MLO Site Report |  
| 12:10 | 0:10:00 | Emmanual Mahieu | SR | Jungfraujoch Site Report |  
| 12:20 | 0:05:00 | Maria Makarova | SR | St. Petersburg Site Report |  
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| 12:25 | 1:35:00 |  |  | Lunch & Posters |  
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| 14:00 | 0:20:00 | Johan Mellqvist | SR | Site report Harestua-  trends after 21 years |  
| 14:20 | 0:15:00 | Justus Notholt | SR | Bremen, Ny Alesund, Paramaribo Site Report |  
| 14:35 | 0:15:00 | Sha Mahesh Kumar | SR | Site report of the BIRA-IASB FTIR sites |  
| 14:50 | 0:10:00 | Thomas Blumenstock | SR | Kiruna Site Report |  
| 15:00 | 0:10:00 | Shoma Yamanouchi | SR | Toronto Site Report |  
| 15:10 | 0:15:00 | Eliezer Spepulveda | SR | Izana Site Report |  
| 15:25 | 0:10:00 | Pucai Wang | SR | Xinglong and Xianghe sites introduction |  
| 15:35 | 0:10:00 | Dan Smale | IRWG | Recent developments and items of (possible) interest at Lauder |  
| 15:45 | 0:15:00 | Pierre Fogal | IRWG | Re-analyzing Eureka DA-8 Spectra for Ozone Column Amounts |  
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| 16:00 | 1:00:00 |  |  | Tea (16:00-16:30) & Posters |  
| 17:00 | 0:15:00 | Frank Hase | IRWG | NDACC-IRWG cell exercise: status and further steps |  
| 17:15 | 0:20:00 | Geoff Toon | IRWG | Atmospheric Carbonyl Sulphide (OCS) measurements |  
| 17:35 | 0:20:00 | Jim Hannigan | IRWG | Update on the IRWG OCS Project |  
| 17:55 | 0:20:00 | Corinne Vigoroux | IRWG | Harmonized FTIR HCHO time-series across the network in view of satellite and model validation |  
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| 18:45 | 0:45:00 |  | IRWG | Posters |  
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| 19:00 |  |  | ALL | Ice Breaker at Zamansky Tower |  Tuesday:      
| 9:00 | 0:10:00 | Bavo Langerock | IRWG | CAMS Funding for RD NDACC FTIR data: implementation plans and schedule |  
| 9:10 | 0:15:00 | Pierre Fogal | IRWG | 2017 ACE-OSIRIS Arctic Validation Campaign at Eureka |  
| 9:25 | 0:20:00 | Erik Lutsch | IRWG | Identifying long-range transport of wildfire emissions to the Arctic using a network of ground-based FTIR spectrometers, satellite observations, and transport models |  
| 9:45 | 0:20:00 | Geoff Toon | IRWG | Atmospheric Ethene (C2H4) Measurements |  
| 10:05 | 0:20:00 | Emmanuel Mahieu | IRWG | Observation and simulation of ethane at 22 FTIR sites |  
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| 10:25 | 1:00:00 |  |  | Coffee (10:30-11:00) & Posters |  
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| 11:25 | 0:20:00 | Benoît Tournadre | IRWG | First multi-year ground-based measurements of NH3 total columns over the Paris region (France) |  
| 11:45 | 0:20:00 | Whitney Bader | IRWG | The question of the methane increase though the retrieval of its isotopologues from FTIR ground-based observations |  
| 12:05 | 0:20:00 | Kevin Olsen | IRWG | Validation of the GOSAT TANSO-FTS TIR CH4 vertical profile data product using CH4 vertical profiles from MIPAS (ESA and IMK) and ACE-FTS |  
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| 12:25 | 1:35:00 |  |  | Lunch & Posters |  
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| 14:00 | 0:20:00 | Hideaki Nakajima | IRWG | Temporal evolution of minor species observed with ground-based FTIR at Syowa Station |  
| 14:20 | 0:20:00 | Clare Paton-Walsh | IRWG | Trends in total column trace gases at Wollongong |  
| 14:40 | 0:15:00 | Nicholas Jones | IRWG | The Southern Hemisphere HF story: complications in stratospheric dynamics |  
| 14:55 | 0:25:00 | Justus Notholt | IRWG | Trace gas observations within NDACC with a focus on tropical observations in Paramaribo and Palau |  
| 15:20 | 0:45:00 | Jim, Thomas |  | Elections, Actions, Wrapup |  
| 16:05 |  |  |  | IRWG Plenary adjourn |  
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| 16:05 | 1:55:00 |  |  | Tea (16:00-16:30) & Posters |  
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| 18:00 |  |  |  | End of Day |  Wednesday:       
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| 09:00 | 09:15 |  | Sun Youwen | NDACC and TCCON | Ground based remote sensing activities at Hefei, China |  
| 09:15 | 09:45 |  | Geoffrey Toon | Both | Spectroscopy Discussion |  
| 09:45 | 10:05 |  | Frank Hase | NDACC and TCCON | LINEFIT Updates |  
| 10:05 | 10:25 |  | Langerock Bavo | NDACC and TCCON | Operational CAMS model validation using TCCON data |  
| 10:30 | 11:00 |  | COFFEE |  |  |  
| 11:00 | 11:20 |  | Sussmann Ralf | NDACC and TCCON | Water vapor continuum absorption over the terrestrial and solar infrared: Results from the Zugspitze radiative closure experiment |  
| 11:20 | 11:40 |  | Griffith David | NDACC and TCCON | In situ measurements of greenhouse gases at TCCON sites |  
| 11:40 | 12:00 |  | Whaley Cynthia | NDACC and TCCON | Evaluating Canada's air quality forecasting model with FTIR data from NDACC and TCCON |  
| 12:00 | 12:20 |  | Johan Mellqvist | Both | Quantification of Gas Emissions from Refineries, Gas Stations, Oil Wells in LA and Agriculture using Optical Solar Occultation Flux |  
| 12:20 | 12:40 |  | Debra Wunch | Both | Computing methane emissions from TCCON measurements |  
| 12:30 | 14:00 |  | LUNCH |  |  |  
| 14:00 | 14:30 |  | Axel Keens | Both | Bruker Update |  
| 14:30 | 14:55 |  | Frank Hase | Both | COCCON news |  
| 14:55 | 15:10 |  | Frey Matthias | NDACC and TCCON | Instrumental calibration and long term stability of COCCON spectrometers |  
| 15:10 | 15:30 |  | Jacob Hedelius | TCCON | Intercomparability of Xco2 and Xch4 from the US TCCON sites |  
| 15:30 | 15:50 |  | Sha Mahesh Kumar | TCCON | Long term stability of the portable EM27/SUN FTIR spectrometer used as a travel standard for the TCCON |  
| 15:50 | 16:00 |  | Morino Isamu | NDACC and TCCON | Progress in GOSAT-2 |  
| 16:00 | 16:30 |  | COFFEE |  |  |  
| 16:30 | 16:50 |  | Bousquet Philippe | NDACC and TCCON | Overview of the MERLIN satellite mission |  
| 16:50 | 17:10 |  | Crevoisier Cyril | NDACC and TCCON | Overview of the IASI-NG satellite mission |  
| 17:10 | 17:30 |  | Dehn Angelika | NDACC and TCCON | Sentinel-5 Precursor – Status of First Copernicus Atmospheric Mission |  
| 17:30 | 17:50 |  | Bréon François-Marie | NDACC and TCCON | MicroCarb : A small-size satellite mission for the monitoring of CO2 fluxes |  
| 17:50 | 18:10 |  | Susan Kulawik | Both | GeoCARB |  Thursday:         
| 09:00 | 09:25 |  | Paul Wennberg | TCCON | TCCON in the Tansat, GOSAT-2 and OCO-2/OCO-3 era |  
| 09:25 | 09:50 |  | Frederic Chevallier | TCCON | Carbon cycle assimilation |  
| 09:50 | 10:15 |  | Osamu Uchino | TCCON | Current Status of GOSAT Product Validation |  
| 10:15 | 10:35 |  | Coleen Roehl | TCCON | OCO-2 Operations and Validation |  
| 10:30 | 11:00 |  | COFFEE |  |  |  
| 11:00 | 11:20 |  | Sha Mahesh Kumar | TCCON | Validation of S5P methane and carbon monoxide with TCCON data within the TCCON4S5P project |  
| 11:20 | 11:40 |  | Stremme Wolfgang | TCCON | CO2 emissions from Popocatepetl |  
| 11:40 | 12:00 |  | Nicholas Deutscher | TCCON | XCO, XCO2 and SOI |  
| 12:00 | 12:20 |  | De Mazière Martine | TCCON | Fiducial Reference Measurements for Greenhouse Gases (FRM4GHG): status of the project |  
| 12:20 | 12:25 |  | Goo Tae-Young | TCCON | TCCON Site Report on Anmyeondo FTS Station |  
| 12:30 | 14:00 |  | LUNCH |  |  |  
| 14:00 | 14:30 |  | Geoffrey Toon | TCCON | GGG and I2S Update |  
| 14:30 | 14:50 |  | Minqiang Zhou | TCCON | TCCON a priori tool with the movement of ITCZ |  
| 14:50 | 15:05 |  | Roche Sébastien | TCCON | CO2 profile retrieval from near-infrared spectra |  
| 15:05 | 15:20 |  | Kiel Matthaeus | TCCON | Airmass dependent correction factors and XAIR dependence |  
| 15:20 | 15:40 |  | Ralf Sussmann | TCCON | Automation of TCCON Data Analysis |  
| 15:40 | 16:00 |  | Geoffrey Toon | TCCON | GGG/I2S Wish List |  
| 16:00 | 16:30 |  | COFFEE and POSTERS |  |  |  
| 16:30 | 16:35 |  | Velazco/Morino | TCCON | Burgos TCCON Status Upgrade Request |  
| 16:35 | 16:40 |  | Wunch | TCCON | ETL TCCON Status Upgrade Request |  
| 16:40 | 16:45 |  | Feist | TCCON | Ascension TCCON Status Upgrade Request |  
| 16:45 | 17:00 |  | Chairs | TCCON | Voting on Burgos/ETL as Provisional TCCON stations; Upgrade Ascension to Full TCCON status |  Friday:         
| 09:00 | 09:20 |  | Hannigan | TCCON | Election of TCCON Chairs and Deputies |  
| 09:20 | 09:30 |  | Dietrich Feist | TCCON | Update on TCCON dataset DOI citations |  
| 09:30 | 09:40 |  | Coleen Roehl | TCCON | Data migration from CDIAC to Caltech |  
| 09:40 | 10:00 |  | Roehl/Feist | TCCON | TCCON Data Archive Move; Use of CC licence for TCCON data |  
| 10:00 | 10:20 |  | Feist/Wennberg | TCCON | Guidelines for requesting co-authorship on manuscripts using TCCON data |  
| 10:30 | 11:00 |  | COFFEE |  |  |  
| 11:00 | 11:30 |  | Chairs | TCCON | Close-out discussion; Selection of next TCCON/NDACC meeting host |  14:00 to 16:00 Optional LERMA Laboratory  and TCCON station visit |