Dissolved N2O and CH4 measurements: Working towards a global network of ocean time series measurements of N2O and CH4 – Scientific Committee on Oceanic Research (SCOR)

Chair(s)

Hermann Bange (Germany) and Sam Wilson (USA)

Other Full Members

Mercedes de la Paz Arándiga (Spain), Laura Farias (Chile), Cliff Law (New Zealand), Wajih Naqvi (India), Gregor Rehder (Germany), Philippe Tortell (Canada), Rob Upstill-Goddard (UK), and Guiling Zhang (China-Beijing)

Associate Members

John Bullister (USA), Jan Kaiser (UK), Annette Kock (Germany), Sunyoung Park (Korea), Andy Rees (UK), and Alyson Santoro (USA)

Reporter

Patricia Miloslavich

Terms of Reference

Establish the analytical reporting procedures to be used for N2O and CH4
Adopt an appropriate standard to be used by the scientific community
Conduct an intercalibration exercise between the time series programs
Host at least two international meetings
Establish framework for an N2O/CH4 ocean time-series network
Write a global oceanic N2O/CH4 summary paper for publication in Annual Review of Marine Science or an equivalent journal.

Approved

November 2013

Financial Sponsors

NSF, SCOR

Meetings

21 February 2014, Honolulu, Hawaii, USA
4 September 2015, Kiel, Germany
11 February 2018, Portland, Oregon, USA
28-31 October 2018 – Workshop on Oceanic Methane and Nitrous Oxide at Lake Arrowhead, California
18 February 2020, San Diego, California, USA

Group Website

https://portal.geomar.de/web/scor-wg-143/home

Publications

The Production of Methane and Nitrous Oxide Gas Standards for SCOR Working Group #143
Wilson, S.T., H.W. Bange, D.L. Arévalo-Martínez, J. Barnes, A.V. Borges, I. Brown, J.L. Bullister, M. Burgos, D.W. Capelle, M. Casso, M. de la Paz, L. Farías, L. Fenwick, S. Ferrón, G. Garcia, M. Glockzin, D.M. Karl, A. Kock, S. Laperriere, C.S. Law, C.C. Manning, A. Marriner, J.-P. Myllykangas, J.W. Pohlman, A.P. Rees, A.E. Santoro, M. Torres, P.D. Tortell, R.C. Upstill-Goddard, D.P. Wisegarver, G.L. Zhang, and G. Rehder. 2018. An intercomparison of oceanic methane and nitrous oxide measurements. Biogeosciences, 15, 5891–5907. https://doi.org/10.5194/bg-15-5891-2018
Bange, H,W., D.L. Arévalo-Martínez, M. de la Paz, L. Farías, J. Kaiser, A. Kock, C.S. Law, A.P. Rees, G. Rehder, P.D. Tortell, R.C. Upstill-Goddard, and S.T. Wilson. 2019. A Harmonized Nitrous Oxide (N₂O) Ocean Observation Network for the 21^st Century. Frontiers in Marine Science, 2 April 2019, https://doi.org/10.3389/fmars.2019.00157.
Wilson, S. T., Al-Haj, A. N., Bourbonnais, A., Frey, C., Fulweiler, R. W., Kessler, J. D., et al. (2020). Ideas and perspectives: A strategic assessment of methane and nitrous oxide measurements in the marine environment. Biogeosciences 17, 5809–5828. doi:10.5194/bg-17-5809-2020.
Bourbonnais, A., Frey, C., Sun, X., Bristow, L. A., Jayakumar, A., Ostrom, N. E., et al. (2021). Protocols for Assessing Transformation Rates of Nitrous Oxide in the Water Column. Front. Mar. Sci. 8, 611937. doi: 10.3389/fmars.2021.611937.
The Best Practice Guide for dissolved CH4 and N2O – draft
Bange, H. W. (2022). Non-CO2 greenhouse gases (N2O, CH4, CO) and the ocean. One Earth 5, 1316–1318. doi: 10.1016/j.oneear.2022.11.011.