13th wmo/iaea meeting of Experts on Carbon Dioxide Concentration and Related Tracers Measurement Techniques Boulder, Colorado 19-22 September 2005 Monday, September 19

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13th WMO/IAEA Meeting of Experts on Carbon Dioxide Concentration and Related Tracers Measurement Techniques

Boulder, Colorado 19-22 September 2005
Monday, September 19
8:00-9:00 Registration

9:00-9:10 Organizers Announcements

9:10-9:20 Welcome to Boulder/CMDL (James Butler, Deputy Director, CMDL)

9:20-9:30 Dedication: C.D. Keeling (Pieter Tans)

9:30-9:50 L. Barrie The WMO Global Atmosphere Watch (GAW)

Programme In The Context Of Integrated Global


Standards and Calibration (Chair: B. Hall)
9:50-10:10 Y. Tohjima Preparation of gravimetric CO2 standards by one

-step dilution method

10:10-10:30 --Break--
10:30-10:50 P. Tans Revision of the international calibration scale for

CO2-in-air: WMO-X2005

10:50-11:10 L. Zhou Round robin update

11:10-11:30 S. Ishidoya Preparation of a large amount of standard air for

O2/N2 measurements

11:30-11:50 A. Jordan Calibration of Atmospheric Hydrogen


11:50-1:05 --Lunch--

Handling of Calibration Gases (Chair: B. Hall)
1:05-1:25 P. Sturm Thermal fractionation effects associated with Ar/N2


1:25-1:45 R. Keeling O2/N2 and Ar/N2 measurements and fractionation


1:45-2:30 Discussion Concerning Standards and Handling of Calibration Gases (P. Tans and R. Keeling)
2:30-2:50 --Break--
2:50-3:30 Recommendations concerning Standards and

Handling of Calibration Gases
3:30-5:30 Poster Session

Tuesday, September 20
Intercomparison Activities (Chair: M. Schmidt)
8:30-8:50 N. Gavrilov Intercomparison of optical and in situ CO2 measurement

8:50-9:10 H. Mukai About disagreement between inter- comparisons of isotopic ratio measurements for CO2

9:10-9:30 I. Levin Results from the International Sausage Flask Intercomparison

9:30-9:50 A. Manning GOLLUM: A Worldwide O2/N2 Intercomparison Program - First Results

9:50-10:10 D. Worthy Alert GAW Station: ICP - Program Update and Possible Super Site?
10:10-10:40 --Break and Group Photo--
10:40-11:30 Discussion (A. Manning)

Recommendations concerning Intercomparison Activities
11:30-12:50 --Lunch--
Isotope Calibration and Measurement (Chair: D. Lowe)
12:50-1:10 L. Huang A diagnostic tool for traceability difference/standard shifting in isotope measurements of atmospheric CO2 & ICP at Alert

1:10-1:30 W. Brand Relating air-CO2 isotope ratio determinations to VPDB using Calcite-CO2 mixed into CO2-free air

1:30-1:50 J. White INSTAAR/NOAA program on isotopes in

greenhouse gases

1:50-2:10 D. Lowry Continuous automated carbon isotopic measurements of atmospheric methane or carbon dioxide using a modified GV Instruments Trace Gas pre-concentrator

2:10-2:30 --Break--

2:30-2:50 C.S. Wong Time-series air-sea disequilibrium of 13C and CO2 in subarctic Pacific and at arctic WMO station at Alert

2:50-3:10 I. Levin Overview of recent 14C measurements

3:10-3:30 S. Lehman CMDL/INSTAAR 14C measurement activities
3:30-5:00 Discussion (W. Brand and J. Miller) Recommendations concerning Isotope Calibration and Measurements
Wednesday, September 21
CO2 Measurements
1. Low-Cost, Robust CO2 Measurement Systems (Chair: T. Machida)
8:30-8:50 K. Davis Progress with continuous, flux-tower basedCO2 sensors: Instrumentation and analyses

8:50-9:10 M. Laakso A rugged NDIR CO2 measurement probe for environmental studies

9:10-9:30 M. Hahn The AOS Carbon Dioxide Archive: Vertical Profiles above Ameriflux (40.734N, 104.301W) in Northeastern Colorado

9:30-9:50 B. Stephens An Autonomous, Inexpensive, and Robust CO2 Analyzer (AIRCOA)

9:50-10:10 --Break--
2. New CO2 Measurement techniques (Chair: T. Machida)
10:10-10:30 T. Machida New CO2 Measurement Systems Using Aircraft

10:30-10:50 J. Welles Assessing LI-COR's Factory CO2 Calibration

10:50-11:50 Discussion and Recommendations concerning in situ CO2 Measurements (B. Stephens)
11:50-1:10 --Lunch--
Data Management and Quality Assurance (Chair E. Brunke)
1:10-1:30 Y. Tsutsumi Current Status and Advances of World Data Centre for Greenhouse Gases (WDCGG) Operation

1:30-1:50 E. Scheel Quality Assurance and Quality Control for N2O

1:50-2:10 J. Klausen Quality Assurance and Quality Control of CO and CH4 Measurements in GAW
2:10-2:30 --Break--
2:30-3:00 Discussion (E. Scheel)

3:00-3:30 Recommendations concerning Data Management and Quality Assurance

3:30-5:00 Recommendations concerning CH4 (E. Dlugokencky); CO (P. Novelli); and N2O (B. Hall)

Discussion of any topics

Draft of Recommendations (I. Levin)
Thursday, September 22
Regional Networks (L. Haszpra)
8:30-8:50 P. Ciais Atmospheric CO2 and greenhouse gases observations in the CarboEurope program

8:50-9:10 A. Vermeulen The CHIOTTO tall tower program in Europe: first results

9:10-9:30 M. Schmidt RAMCES: The French network of atmospheric greenhouse gas measurements

9:30-9:50 F. Kashin Measurements of Greenhouse Gases Contents in the Air near the Ground, in the Atmospheric Boundary Layer and in the Atmospheric Column to Study Their Variability

9:50-10:10 M. Leuenberger First online CO2 and O2 measurements at the Swiss high alpine research station Jungfraujoch
10:10-10:30 --Break--
10:30-10:50 A. Andrews The NOAA CMDL Tall Tower Trace Gas Observing Network
10:50-11:10 C. Sweeney CMDL Aircraft Network Technical Progres Report

11:10-12:00 Discussion Concerning Regional Networks (A. Andrews)
12:00-1:20 --Lunch--
1:20-2:30 Recommendations concerning Measurement Strategies

Discussion of any topics
2:30-3:00 --Break--
3:00-5:00(5:30) Discussion and Approval of Draft Recommendations (I. Levin)

5:00(5:30) Meeting is adjourned

6:30 Cocktails-University Club at Folsom Field

7:00 Banquet-University Club at Folsom Field

Monday, September 19

D. Baer

Novel instrumentation for fast, accurate measurements of CO2, CH4, and CO in the field

R. Fisher

Applications of the GV Instruments Trace Gas for methane and carbon dioxide isotopes studies: London diurnals and Irish wetland emissions

P. Galdemard

CARIBOU : New instruments for continuous CO2 measurements and real-time data transmission

L. Gatti

Carbon Dioxide and other trace species high precision measurements over Amazon Basin

R. Jiminez

A new quantum-cascade laser based spectrometer for high-precision airborne CO2 measurements

D. Kitzis

Changes to CMDL/CCGG Standards Filling Program

I. Levin

The Heidelberg Observational Program of Greenhouse Gases and their Isotopic Properties at the German GAW Station Neumayer (Antarctica)

K. Masarie

The GLOBALVIEW-CO2 Data Product

K. Masarie

Estimating Uncertainties in Atmospheric Measurements

E. Nisbet

Meth-MonitEUr-Methane monitoring in the European Union and Russia

S. Richardson

Progress Towards a Continental, Flux-Tower Based CO2 Network

M. van der Schoot

Performance of LOFLO continuous CO2 analysers operating in regional monitoring networks

B. Stephens

A Regional Atmospheric Continuous CO2 Network in the Rocky Mountains (Rocky RACCOON)

B. Stephens

An Autonomous, Inexpensive, and Robust CO2

Analyzer (AIRCOA)

National Programs

S. Attri

Indian initiatives for GHG monitoring

G. Brailsford

CO2 Measurements at Baring Head, New Zealand

E. Brunke

CO2 and CH4 measurements at Cape Point, South Africa

A. Gomez-Pelaez

Methane and Carbon Dioxide Continuous Measurements at Izana Station (Spain)

L. Haszpra

Tall tower carbon budget monitoring and research programs in Hungary (national report)

R. Neubert

The Atmospheric CO2 and Greenhouse Gas Monitoring Activities at Lutjewad and Cabauw

R. Santaguida

The Italian Carbon Dioxide Measurement Network

L. Zhou

China Country Report: Greenhouse gases and related tracers

Measurements at Waliguan Observatory

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