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Title: The recent increase of atmospheric methane from 10 years of ground-based NDACC FTIR observations since 2005

Abstract

Changes of atmospheric methane total columns (CH4) since 2005 have been evaluated using Fourier transform infrared (FTIR) solar observations carried out at 10 ground-based sites, affiliated to the Network for Detection of Atmospheric Composition Change (NDACC). From this, we find an increase of atmospheric methane total columns of 0.31 ± 0.03 % year-1 (2σ level of uncertainty) for the 2005–2014 period. Comparisons with in situ methane measurements at both local and global scales show good agreement. We used the GEOS-Chem chemical transport model tagged simulation, which accounts for the contribution of each emission source and one sink in the total methane, simulated over 2005–2012. After regridding according to NDACC vertical layering using a conservative regridding scheme and smoothing by convolving with respective FTIR seasonal averaging kernels, the GEOS-Chem simulation shows an increase of atmospheric methane total columns of 0.35 ± 0.03 % year-1 between 2005 and 2012, which is in agreement with NDACC measurements over the same time period (0.30 ± 0.04 % year-1, averaged over 10 stations). Analysis of the GEOS-Chem-tagged simulation allows us to quantify the contribution of each tracer to the global methane change since 2005. We find that natural sources such as wetlands and biomass burningmore » contribute to the interannual variability of methane. However, anthropogenic emissions, such as coal mining, and gas and oil transport and exploration, which are mainly emitted in the Northern Hemisphere and act as secondary contributors to the global budget of methane, have played a major role in the increase of atmospheric methane observed since 2005. Based on the GEOS-Chem-tagged simulation, we discuss possible cause(s) for the increase of methane since 2005, which is still unexplained.« less

Authors:
ORCiD logo [1];  [2];  [3];  [3];  [4];  [5];  [6];  [7];  [8];  [9];  [10];  [11];  [6];  [12];  [11]; ORCiD logo [13];  [14]; ORCiD logo [15]; ORCiD logo [15];  [16] more »;  [11];  [4];  [3];  [6];  [2];  [12]; ORCiD logo [2] « less
+ Show Author Affiliations
  1. Univ. of Liege, Liege (Belgium); Univ. of Toronto, Toronto, ON (Canada)
  2. Univ. of Liege, Liege (Belgium)
  3. Univ. of Toronto, Toronto, ON (Canada)
  4. National Institute of Water and Atmospheric Research, Lauder (New Zealand)
  5. Harvard Univ., Cambridge, MA (United States)
  6. Karlsruhe Institute of Technology (KIT), Karlsruhe (Germany)
  7. Univ. of Waterloo, Waterloo, ON (Canada)
  8. Federal Office of Meteorology and Climatology, Payerne (Switzerland)
  9. ETH Zurich, Zurich (Switzerland)
  10. Izana Atmospheric Research Centre (IARC), Izana (Spain)
  11. Univ. of Wollongong, Wollongong (Australia)
  12. Karlsruhe Institute of Technology, Garmisch-Partenkirchen (Germany)
  13. CSIRO Oceans & Atmosphere, Aspendale, VIC (Australia)
  14. Tohoku Univ., Sendai (Japan)
  15. National Institute for Environmental Studies (NIES), Ibaraki (Japan)
  16. Univ. of Bristol, Bristol (United Kingdom)
Publication Date:
Research Org.:
Univ. of Toronto, Toronto, ON (Canada); Univ. of Liege, Liege (Belgium)
Sponsoring Org.:
USDOE Office of Science (SC), Biological and Environmental Research (BER)
OSTI Identifier:
1356083
Alternate Identifier(s):
OSTI ID: 1358378
Grant/Contract Number:  
SC0009919; SC0009988
Resource Type:
Accepted Manuscript
Journal Name:
Atmospheric Chemistry and Physics (Online)
Additional Journal Information:
Journal Name: Atmospheric Chemistry and Physics (Online); Journal Volume: 17; Journal Issue: 3; Journal ID: ISSN 1680-7324
Publisher:
European Geosciences Union
Country of Publication:
United States
Language:
English
Subject:
54 ENVIRONMENTAL SCIENCES; natural-gas production; molecular spectroscopic database; infrared solar; United States; fossil-fuel; interannual variability; isotopic composition; greenhouse gases; free troposphere; satellite data

Citation Formats

Bader, Whitney, Bovy, Benoît, Conway, Stephanie, Strong, Kimberly, Smale, Dan, Turner, Alexander J., Blumenstock, Thomas, Boone, Chris, Collaud Coen, Martine, Coulon, Ancelin, Garcia, Omaira, Griffith, David W. T., Hase, Frank, Hausmann, Petra, Jones, Nicholas, Krummel, Paul, Murata, Isao, Morino, Isamu, Nakajima, Hideaki, O'Doherty, Simon, Paton-Walsh, Clare, Robinson, John, Sandrin, Rodrigue, Schneider, Matthias, Servais, Christian, Sussmann, Ralf, and Mahieu, Emmanuel. The recent increase of atmospheric methane from 10 years of ground-based NDACC FTIR observations since 2005. United States: N. p., 2017. Web. doi:10.5194/acp-17-2255-2017.
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Bader, Whitney, Bovy, Benoît, Conway, Stephanie, Strong, Kimberly, Smale, Dan, Turner, Alexander J., Blumenstock, Thomas, Boone, Chris, Collaud Coen, Martine, Coulon, Ancelin, Garcia, Omaira, Griffith, David W. T., Hase, Frank, Hausmann, Petra, Jones, Nicholas, Krummel, Paul, Murata, Isao, Morino, Isamu, Nakajima, Hideaki, O'Doherty, Simon, Paton-Walsh, Clare, Robinson, John, Sandrin, Rodrigue, Schneider, Matthias, Servais, Christian, Sussmann, Ralf, & Mahieu, Emmanuel. The recent increase of atmospheric methane from 10 years of ground-based NDACC FTIR observations since 2005. United States. https://doi.org/10.5194/acp-17-2255-2017
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Bader, Whitney, Bovy, Benoît, Conway, Stephanie, Strong, Kimberly, Smale, Dan, Turner, Alexander J., Blumenstock, Thomas, Boone, Chris, Collaud Coen, Martine, Coulon, Ancelin, Garcia, Omaira, Griffith, David W. T., Hase, Frank, Hausmann, Petra, Jones, Nicholas, Krummel, Paul, Murata, Isao, Morino, Isamu, Nakajima, Hideaki, O'Doherty, Simon, Paton-Walsh, Clare, Robinson, John, Sandrin, Rodrigue, Schneider, Matthias, Servais, Christian, Sussmann, Ralf, and Mahieu, Emmanuel. Tue . "The recent increase of atmospheric methane from 10 years of ground-based NDACC FTIR observations since 2005". United States. https://doi.org/10.5194/acp-17-2255-2017. https://www.osti.gov/servlets/purl/1356083.
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@article{osti_1356083,
title = {The recent increase of atmospheric methane from 10 years of ground-based NDACC FTIR observations since 2005},
author = {Bader, Whitney and Bovy, Benoît and Conway, Stephanie and Strong, Kimberly and Smale, Dan and Turner, Alexander J. and Blumenstock, Thomas and Boone, Chris and Collaud Coen, Martine and Coulon, Ancelin and Garcia, Omaira and Griffith, David W. T. and Hase, Frank and Hausmann, Petra and Jones, Nicholas and Krummel, Paul and Murata, Isao and Morino, Isamu and Nakajima, Hideaki and O'Doherty, Simon and Paton-Walsh, Clare and Robinson, John and Sandrin, Rodrigue and Schneider, Matthias and Servais, Christian and Sussmann, Ralf and Mahieu, Emmanuel},
abstractNote = {Changes of atmospheric methane total columns (CH4) since 2005 have been evaluated using Fourier transform infrared (FTIR) solar observations carried out at 10 ground-based sites, affiliated to the Network for Detection of Atmospheric Composition Change (NDACC). From this, we find an increase of atmospheric methane total columns of 0.31 ± 0.03 % year-1 (2σ level of uncertainty) for the 2005–2014 period. Comparisons with in situ methane measurements at both local and global scales show good agreement. We used the GEOS-Chem chemical transport model tagged simulation, which accounts for the contribution of each emission source and one sink in the total methane, simulated over 2005–2012. After regridding according to NDACC vertical layering using a conservative regridding scheme and smoothing by convolving with respective FTIR seasonal averaging kernels, the GEOS-Chem simulation shows an increase of atmospheric methane total columns of 0.35 ± 0.03 % year-1 between 2005 and 2012, which is in agreement with NDACC measurements over the same time period (0.30 ± 0.04 % year-1, averaged over 10 stations). Analysis of the GEOS-Chem-tagged simulation allows us to quantify the contribution of each tracer to the global methane change since 2005. We find that natural sources such as wetlands and biomass burning contribute to the interannual variability of methane. However, anthropogenic emissions, such as coal mining, and gas and oil transport and exploration, which are mainly emitted in the Northern Hemisphere and act as secondary contributors to the global budget of methane, have played a major role in the increase of atmospheric methane observed since 2005. Based on the GEOS-Chem-tagged simulation, we discuss possible cause(s) for the increase of methane since 2005, which is still unexplained.},
doi = {10.5194/acp-17-2255-2017},
journal = {Atmospheric Chemistry and Physics (Online)},
number = 3,
volume = 17,
place = {United States},
year = {Tue Feb 14 00:00:00 EST 2017},
month = {Tue Feb 14 00:00:00 EST 2017}
}
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Summertime NO y speciation at the Jungfraujoch, 3580 m above sea level, Switzerland
journal, March 2000

  • Zellweger, C.; Ammann, M.; Buchmann, B.
  • Journal of Geophysical Research: Atmospheres, Vol. 105, Issue D5
  • DOI: 10.1029/1999JD901126

Partitioning of reactive nitrogen (NO<sub>y</sub>) and dependence on meteorological conditions in the lower free troposphere
journal, January 2003

  • Zellweger, C.; Forrer, J.; Hofer, P.
  • Atmospheric Chemistry and Physics, Vol. 3, Issue 3
  • DOI: 10.5194/acp-3-779-2003

Nitrogen deposition to the United States: distribution, sources, and processes
journal, January 2012

  • Zhang, L.; Jacob, D. J.; Knipping, E. M.
  • Atmospheric Chemistry and Physics, Vol. 12, Issue 10
  • DOI: 10.5194/acp-12-4539-2012

Atmospheric Chemistry Experiment (ACE): Mission overview
conference, January 2005

  • Bernath, Peter F.
  • Fourier Transform Spectroscopy/ Hyperspectral Imaging and Sounding of the Environment
  • DOI: 10.1364/fts.2005.jma3

Convective boundary layer evolution to 4 km asl over high-alpine terrain: airborne lidar observations in the Alps.
text, January 2000

Assessment of parameters describing representativeness of air quality in-situ measurement sites
text, January 2009

Quantification of topographic venting of boundary layer air to the free troposphere
journal, October 2003

Global stratospheric measurements of the isotopologues of methane from the Atmospheric Chemistry Experiment Fourier Transform Spectrometer
journal, October 2015

Description of algorithms for co-locating and comparing gridded model data with remote-sensing observations
journal, November 2014

Stable atmospheric methane in the 2000s: key-role of emissions from natural wetlands
journal, January 2013

  • Pison, I.; Ringeval, B.; Bousquet, P.
  • Atmospheric Chemistry and Physics Discussions, Vol. 13, Issue 4
  • DOI: 10.5194/acpd-13-9017-2013

Strategy for high-accuracy-and-precision retrieval of atmospheric methane from the mid-infrared FTIR network
journal, May 2011

Three decades of global methane sources and sinks
text, January 2013

  • Ciais, Philippe; Kummel, Paul B.; Zeng, Guang
  • Nature Publishing Group
  • DOI: 10.7892/boris.47715

Atmospheric chemistry experiment (ACE): mission overview
conference, October 2004

  • Bernath, Peter F.
  • Optical Science and Technology, the SPIE 49th Annual Meeting, SPIE Proceedings
  • DOI: 10.1117/12.556120

Magnitude and seasonality of wetland methane emissions from the Hudson Bay Lowlands (Canada)
text, January 2011

Magnitude and seasonality of wetland methane emissions from the Hudson Bay Lowlands (Canada)
journal, January 2010

  • Pickett-Heaps, C. A.; Jacob, D. J.; Wecht, K. J.
  • Atmospheric Chemistry and Physics Discussions, Vol. 10, Issue 9
  • DOI: 10.5194/acpd-10-22415-2010

Renewed methane increase for five years (2007&-2011) observed by solar FTIR spectrometry
text, January 2011

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    On the Causes and Consequences of Recent Trends in Atmospheric Methane
    journal, August 2019

    The breadth of climate change impacts on biological systems
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    Interpreting contemporary trends in atmospheric methane
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    • Turner, Alexander J.; Frankenberg, Christian; Kort, Eric A.
    • Proceedings of the National Academy of Sciences, Vol. 116, Issue 8
    • DOI: 10.1073/pnas.1814297116

    Methane variability associated with natural and anthropogenic sources in an Australian context
    journal, May 2018

    Increase of Atmospheric Methane Observed from Space-Borne and Ground-Based Measurements
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    • Zou, Mingmin; Xiong, Xiaozhen; Wu, Zhaohua
    • Remote Sensing, Vol. 11, Issue 8
    • DOI: 10.3390/rs11080964

    Atmospheric CO and CH4 time series and seasonal variations on Reunion Island from ground-based in situ and FTIR (NDACC and TCCON) measurements
    journal, January 2018

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    • Atmospheric Chemistry and Physics, Vol. 18, Issue 19
    • DOI: 10.5194/acp-18-13881-2018

    Global distribution of methane emissions, emission trends, and OH concentrations and trends inferred from an inversion of GOSAT satellite data for 2010–2015
    journal, January 2019

    • Maasakkers, Joannes D.; Jacob, Daniel J.; Sulprizio, Melissa P.
    • Atmospheric Chemistry and Physics, Vol. 19, Issue 11
    • DOI: 10.5194/acp-19-7859-2019

    Comparison of the GOSAT TANSO-FTS TIR CH4 volume mixing ratio vertical profiles with those measured by ACE-FTS, ESA MIPAS, IMK-IAA MIPAS, and 16 NDACC stations
    journal, January 2017

    • Olsen, Kevin S.; Strong, Kimberly; Walker, Kaley A.
    • Atmospheric Measurement Techniques, Vol. 10, Issue 10
    • DOI: 10.5194/amt-10-3697-2017

    The MUSICA IASI CH4 and N2O products and their comparison to HIPPO, GAW and NDACC FTIR references
    journal, January 2018

    • García, Omaira E.; Schneider, Matthias; Ertl, Benjamin
    • Atmospheric Measurement Techniques, Vol. 11, Issue 7
    • DOI: 10.5194/amt-11-4171-2018

    Atmospheric CO and CH4 time series and seasonal variations on Reunion Island from ground-based in-situ and FTIR (NDACC and TCCON) measurements
    posted_content, May 2018

    • Zhou, Minqiang; Langerock, Bavo; Vigouroux, Corinne
    • Atmospheric Chemistry and Physics Discussions
    • DOI: 10.5194/acp-2018-218

    Comparison of the GOSAT TANSO-FTS TIR CH4 volume mixing ratio vertical profiles with those measured by ACE-FTS, ESA MIPAS, IMK-IAA MIPAS, and 16 NDACC stations
    journal, March 2017

    • Olsen, Kevin S. `; Strong, Kimberly; Walker, Kaley A.
    • Atmospheric Measurement Techniques Discussions
    • DOI: 10.5194/amt-2017-6

    The MUSICA IASI CH4 and N2O products and their comparison to HIPPO, GAW and NDACC FTIR references
    text, January 2018

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