A Pragmatic Protocol for Characterising Errors in Atmospheric Inversions of Methane Emissions over Europe

Barbara  Szénási; LSCE Berchet; Gregoire Broquet; Arjo Segers; Hugo Denier Van Der Gon; maarten krol; Joanna J.S.  Hullegie; Anja Kiesow; Dirk Günther; Ana Maria Roxana Petrescu; LSCE Saunois; LSCE Bousquet; Isabelle Pison

doi:10.1080/16000889.2021.1914989

A Pragmatic Protocol for Characterising Errors in Atmospheric Inversions of Methane Emissions over Europe

Barbara Szénási^*, LSCE Berchet, Gregoire Broquet, Arjo Segers, Hugo Denier Van Der Gon, maarten krol, Joanna J.S. Hullegie, Anja Kiesow, Dirk Günther, Ana Maria Roxana Petrescu, LSCE Saunois, LSCE Bousquet, Isabelle Pison

^*Corresponding author for this work

Earth and Climate

Research output: Contribution to Journal › Article › Academic › peer-review

Abstract

This study aims at estimating errors which are to be accounted for in atmospheric inversions of methane (CH₄) emissions at the European scale. A technically ready and computationally inexpensive method is used. Four types of errors are estimated in the concentration space over the model domain and at selected measurement sites. Furthermore, errors in emission inventories are estimated at the country and source sector scales. The method is implemented by running a set of simulations of hourly CH₄ mixing ratios for 2015 using two area-limited transport models at three horizontal resolutions with three emission inventories and two sets of boundary and initial conditions as inputs. The obtained error estimates provide insights into how these errors could be treated in an inverse modelling system for inverting CH₄ emissions over Europe. The main results include that sources of transport errors may better be controlled alongside the emissions, which differs from usual inversion practices. The total concentration error is 29 ppb and error patterns cover a number of measurement sites. The error of total CH₄ emissions is 22% and emission errors
are heterogeneous at sector (23-49%) and country scales (16-124%), with largest errors occurring in the waste sector.

Original language	English
Pages (from-to)	1-23
Number of pages	23
Journal	TELLUS SERIES B - CHEMICAL AND PHYSICAL METEOROLOGY
Volume	73
Issue number	1
Early online date	10 May 2021
DOIs	https://doi.org/10.1080/16000889.2021.1914989
Publication status	Published - 2021

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Szénási, B., Berchet, LSCE., Broquet, G., Segers, A., Van Der Gon, H. D., krol, M., Hullegie, J. J. S., Kiesow, A., Günther, D., Petrescu, A. M. R., Saunois, LSCE., Bousquet, LSCE., & Pison, I. (2021). A Pragmatic Protocol for Characterising Errors in Atmospheric Inversions of Methane Emissions over Europe. TELLUS SERIES B - CHEMICAL AND PHYSICAL METEOROLOGY, 73(1), 1-23. https://doi.org/10.1080/16000889.2021.1914989

Szénási, Barbara ; Berchet, LSCE ; Broquet, Gregoire ; Segers, Arjo ; Van Der Gon, Hugo Denier ; krol, maarten ; Hullegie, Joanna J.S. ; Kiesow, Anja ; Günther, Dirk ; Petrescu, Ana Maria Roxana ; Saunois, LSCE ; Bousquet, LSCE ; Pison, Isabelle. / A Pragmatic Protocol for Characterising Errors in Atmospheric Inversions of Methane Emissions over Europe. In: TELLUS SERIES B - CHEMICAL AND PHYSICAL METEOROLOGY. 2021 ; Vol. 73, No. 1. pp. 1-23.

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title = "A Pragmatic Protocol for Characterising Errors in Atmospheric Inversions of Methane Emissions over Europe",

abstract = "This study aims at estimating errors which are to be accounted for in atmospheric inversions of methane (CH4) emissions at the European scale. A technically ready and computationally inexpensive method is used. Four types of errors are estimated in the concentration space over the model domain and at selected measurement sites. Furthermore, errors in emission inventories are estimated at the country and source sector scales. The method is implemented by running a set of simulations of hourly CH4 mixing ratios for 2015 using two area-limited transport models at three horizontal resolutions with three emission inventories and two sets of boundary and initial conditions as inputs. The obtained error estimates provide insights into how these errors could be treated in an inverse modelling system for inverting CH4 emissions over Europe. The main results include that sources of transport errors may better be controlled alongside the emissions, which differs from usual inversion practices. The total concentration error is 29 ppb and error patterns cover a number of measurement sites. The error of total CH4 emissions is 22% and emission errorsare heterogeneous at sector (23-49%) and country scales (16-124%), with largest errors occurring in the waste sector.",

author = "Barbara Sz{\'e}n{\'a}si and LSCE Berchet and Gregoire Broquet and Arjo Segers and {Van Der Gon}, {Hugo Denier} and maarten krol and Hullegie, {Joanna J.S.} and Anja Kiesow and Dirk G{\"u}nther and Petrescu, {Ana Maria Roxana} and LSCE Saunois and LSCE Bousquet and Isabelle Pison",

year = "2021",

doi = "10.1080/16000889.2021.1914989",

language = "English",

volume = "73",

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Szénási, B, Berchet, LSCE, Broquet, G, Segers, A, Van Der Gon, HD, krol, M, Hullegie, JJS, Kiesow, A, Günther, D, Petrescu, AMR, Saunois, LSCE, Bousquet, LSCE & Pison, I 2021, 'A Pragmatic Protocol for Characterising Errors in Atmospheric Inversions of Methane Emissions over Europe', TELLUS SERIES B - CHEMICAL AND PHYSICAL METEOROLOGY, vol. 73, no. 1, pp. 1-23. https://doi.org/10.1080/16000889.2021.1914989

A Pragmatic Protocol for Characterising Errors in Atmospheric Inversions of Methane Emissions over Europe. / Szénási, Barbara; Berchet, LSCE; Broquet, Gregoire; Segers, Arjo; Van Der Gon, Hugo Denier; krol, maarten; Hullegie, Joanna J.S. ; Kiesow, Anja; Günther, Dirk; Petrescu, Ana Maria Roxana; Saunois, LSCE; Bousquet, LSCE; Pison, Isabelle.

In: TELLUS SERIES B - CHEMICAL AND PHYSICAL METEOROLOGY, Vol. 73, No. 1, 2021, p. 1-23.

Research output: Contribution to Journal › Article › Academic › peer-review

TY - JOUR

T1 - A Pragmatic Protocol for Characterising Errors in Atmospheric Inversions of Methane Emissions over Europe

AU - Szénási, Barbara

AU - Berchet, LSCE

AU - Broquet, Gregoire

AU - Segers, Arjo

AU - Van Der Gon, Hugo Denier

AU - krol, maarten

AU - Hullegie, Joanna J.S.

AU - Kiesow, Anja

AU - Günther, Dirk

AU - Petrescu, Ana Maria Roxana

AU - Saunois, LSCE

AU - Bousquet, LSCE

AU - Pison, Isabelle

PY - 2021

Y1 - 2021

N2 - This study aims at estimating errors which are to be accounted for in atmospheric inversions of methane (CH4) emissions at the European scale. A technically ready and computationally inexpensive method is used. Four types of errors are estimated in the concentration space over the model domain and at selected measurement sites. Furthermore, errors in emission inventories are estimated at the country and source sector scales. The method is implemented by running a set of simulations of hourly CH4 mixing ratios for 2015 using two area-limited transport models at three horizontal resolutions with three emission inventories and two sets of boundary and initial conditions as inputs. The obtained error estimates provide insights into how these errors could be treated in an inverse modelling system for inverting CH4 emissions over Europe. The main results include that sources of transport errors may better be controlled alongside the emissions, which differs from usual inversion practices. The total concentration error is 29 ppb and error patterns cover a number of measurement sites. The error of total CH4 emissions is 22% and emission errorsare heterogeneous at sector (23-49%) and country scales (16-124%), with largest errors occurring in the waste sector.

AB - This study aims at estimating errors which are to be accounted for in atmospheric inversions of methane (CH4) emissions at the European scale. A technically ready and computationally inexpensive method is used. Four types of errors are estimated in the concentration space over the model domain and at selected measurement sites. Furthermore, errors in emission inventories are estimated at the country and source sector scales. The method is implemented by running a set of simulations of hourly CH4 mixing ratios for 2015 using two area-limited transport models at three horizontal resolutions with three emission inventories and two sets of boundary and initial conditions as inputs. The obtained error estimates provide insights into how these errors could be treated in an inverse modelling system for inverting CH4 emissions over Europe. The main results include that sources of transport errors may better be controlled alongside the emissions, which differs from usual inversion practices. The total concentration error is 29 ppb and error patterns cover a number of measurement sites. The error of total CH4 emissions is 22% and emission errorsare heterogeneous at sector (23-49%) and country scales (16-124%), with largest errors occurring in the waste sector.

U2 - 10.1080/16000889.2021.1914989

DO - 10.1080/16000889.2021.1914989

M3 - Article

VL - 73

SP - 1

EP - 23

JO - TELLUS SERIES B - CHEMICAL AND PHYSICAL METEOROLOGY

JF - TELLUS SERIES B - CHEMICAL AND PHYSICAL METEOROLOGY

SN - 0280-6509

IS - 1

ER -

A Pragmatic Protocol for Characterising Errors in Atmospheric Inversions of Methane Emissions over Europe

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