MERLIN: A French-German space lidar mission dedicated to atmospheric methane

Gerhard Ehret, Philippe Bousquet, Clémence Pierangelo, Matthias Alpers, Bruno Millet, James B. Abshire, Heinrich Bovensmann, John P. Burrows, Frédéric Chevallier, Philippe Ciais, Cyril Crevoisier, Andreas Fix, Pierre Flamant, Christian Frankenberg, Fabien Gibert, Birgit Heim, Martin Heimann, Sander Houweling, Hans W. Hubberten, Patrick Jöckel & 10 others Kathy Law, Alexander Löw, Julia Marshall, Anna Agusti-Panareda, Sebastien Payan, Catherine Prigent, Patrick Rairoux, Torsten Sachs, Marko Scholze, Martin Wirth

Research output: Contribution to JournalReview articleAcademicpeer-review

Abstract

The MEthane Remote sensing Lidar missioN (MERLIN) aims at demonstrating the spaceborne active measurement of atmospheric methane, a potent greenhouse gas, based on an Integrated Path Differential Absorption (IPDA) nadir-viewing LIght Detecting and Ranging (Lidar) instrument. MERLIN is a joint French and German space mission, with a launch currently scheduled for the timeframe 2021/22. The German Space Agency (DLR) is responsible for the payload, while the platform (MYRIADE Evolutions product line) is developed by the French Space Agency (CNES). The main scientific objective of MERLIN is the delivery of weighted atmospheric columns of methane dry-air mole fractions for all latitudes throughout the year with systematic errors small enough (< 3.7 ppb) to significantly improve our knowledge of methane sources from global to regional scales, with emphasis on poorly accessible regions in the tropics and at high latitudes. This paper presents the MERLIN objectives, describes the methodology and the main characteristics of the payload and of the platform, and proposes a first assessment of the error budget and its translation into expected uncertainty reduction of methane surface emissions.

Original languageEnglish
Article number1052
JournalRemote Sensing
Volume9
Issue number10
DOIs
Publication statusPublished - 1 Oct 2017

Fingerprint

lidar
methane
remote sensing
nadir
greenhouse gas
methodology
air

Keywords

  • Atmospheric methane
  • CH emissions
  • Global methane budget
  • IPDA Lidar
  • MERLIN
  • Space mission

Cite this

Ehret, G., Bousquet, P., Pierangelo, C., Alpers, M., Millet, B., Abshire, J. B., ... Wirth, M. (2017). MERLIN: A French-German space lidar mission dedicated to atmospheric methane. Remote Sensing, 9(10), [1052]. https://doi.org/10.3390/rs9101052
Ehret, Gerhard ; Bousquet, Philippe ; Pierangelo, Clémence ; Alpers, Matthias ; Millet, Bruno ; Abshire, James B. ; Bovensmann, Heinrich ; Burrows, John P. ; Chevallier, Frédéric ; Ciais, Philippe ; Crevoisier, Cyril ; Fix, Andreas ; Flamant, Pierre ; Frankenberg, Christian ; Gibert, Fabien ; Heim, Birgit ; Heimann, Martin ; Houweling, Sander ; Hubberten, Hans W. ; Jöckel, Patrick ; Law, Kathy ; Löw, Alexander ; Marshall, Julia ; Agusti-Panareda, Anna ; Payan, Sebastien ; Prigent, Catherine ; Rairoux, Patrick ; Sachs, Torsten ; Scholze, Marko ; Wirth, Martin. / MERLIN : A French-German space lidar mission dedicated to atmospheric methane. In: Remote Sensing. 2017 ; Vol. 9, No. 10.
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abstract = "The MEthane Remote sensing Lidar missioN (MERLIN) aims at demonstrating the spaceborne active measurement of atmospheric methane, a potent greenhouse gas, based on an Integrated Path Differential Absorption (IPDA) nadir-viewing LIght Detecting and Ranging (Lidar) instrument. MERLIN is a joint French and German space mission, with a launch currently scheduled for the timeframe 2021/22. The German Space Agency (DLR) is responsible for the payload, while the platform (MYRIADE Evolutions product line) is developed by the French Space Agency (CNES). The main scientific objective of MERLIN is the delivery of weighted atmospheric columns of methane dry-air mole fractions for all latitudes throughout the year with systematic errors small enough (< 3.7 ppb) to significantly improve our knowledge of methane sources from global to regional scales, with emphasis on poorly accessible regions in the tropics and at high latitudes. This paper presents the MERLIN objectives, describes the methodology and the main characteristics of the payload and of the platform, and proposes a first assessment of the error budget and its translation into expected uncertainty reduction of methane surface emissions.",
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Ehret, G, Bousquet, P, Pierangelo, C, Alpers, M, Millet, B, Abshire, JB, Bovensmann, H, Burrows, JP, Chevallier, F, Ciais, P, Crevoisier, C, Fix, A, Flamant, P, Frankenberg, C, Gibert, F, Heim, B, Heimann, M, Houweling, S, Hubberten, HW, Jöckel, P, Law, K, Löw, A, Marshall, J, Agusti-Panareda, A, Payan, S, Prigent, C, Rairoux, P, Sachs, T, Scholze, M & Wirth, M 2017, 'MERLIN: A French-German space lidar mission dedicated to atmospheric methane' Remote Sensing, vol. 9, no. 10, 1052. https://doi.org/10.3390/rs9101052

MERLIN : A French-German space lidar mission dedicated to atmospheric methane. / Ehret, Gerhard; Bousquet, Philippe; Pierangelo, Clémence; Alpers, Matthias; Millet, Bruno; Abshire, James B.; Bovensmann, Heinrich; Burrows, John P.; Chevallier, Frédéric; Ciais, Philippe; Crevoisier, Cyril; Fix, Andreas; Flamant, Pierre; Frankenberg, Christian; Gibert, Fabien; Heim, Birgit; Heimann, Martin; Houweling, Sander; Hubberten, Hans W.; Jöckel, Patrick; Law, Kathy; Löw, Alexander; Marshall, Julia; Agusti-Panareda, Anna; Payan, Sebastien; Prigent, Catherine; Rairoux, Patrick; Sachs, Torsten; Scholze, Marko; Wirth, Martin.

In: Remote Sensing, Vol. 9, No. 10, 1052, 01.10.2017.

Research output: Contribution to JournalReview articleAcademicpeer-review

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T2 - A French-German space lidar mission dedicated to atmospheric methane

AU - Ehret, Gerhard

AU - Bousquet, Philippe

AU - Pierangelo, Clémence

AU - Alpers, Matthias

AU - Millet, Bruno

AU - Abshire, James B.

AU - Bovensmann, Heinrich

AU - Burrows, John P.

AU - Chevallier, Frédéric

AU - Ciais, Philippe

AU - Crevoisier, Cyril

AU - Fix, Andreas

AU - Flamant, Pierre

AU - Frankenberg, Christian

AU - Gibert, Fabien

AU - Heim, Birgit

AU - Heimann, Martin

AU - Houweling, Sander

AU - Hubberten, Hans W.

AU - Jöckel, Patrick

AU - Law, Kathy

AU - Löw, Alexander

AU - Marshall, Julia

AU - Agusti-Panareda, Anna

AU - Payan, Sebastien

AU - Prigent, Catherine

AU - Rairoux, Patrick

AU - Sachs, Torsten

AU - Scholze, Marko

AU - Wirth, Martin

PY - 2017/10/1

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N2 - The MEthane Remote sensing Lidar missioN (MERLIN) aims at demonstrating the spaceborne active measurement of atmospheric methane, a potent greenhouse gas, based on an Integrated Path Differential Absorption (IPDA) nadir-viewing LIght Detecting and Ranging (Lidar) instrument. MERLIN is a joint French and German space mission, with a launch currently scheduled for the timeframe 2021/22. The German Space Agency (DLR) is responsible for the payload, while the platform (MYRIADE Evolutions product line) is developed by the French Space Agency (CNES). The main scientific objective of MERLIN is the delivery of weighted atmospheric columns of methane dry-air mole fractions for all latitudes throughout the year with systematic errors small enough (< 3.7 ppb) to significantly improve our knowledge of methane sources from global to regional scales, with emphasis on poorly accessible regions in the tropics and at high latitudes. This paper presents the MERLIN objectives, describes the methodology and the main characteristics of the payload and of the platform, and proposes a first assessment of the error budget and its translation into expected uncertainty reduction of methane surface emissions.

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KW - Atmospheric methane

KW - CH emissions

KW - Global methane budget

KW - IPDA Lidar

KW - MERLIN

KW - Space mission

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Ehret G, Bousquet P, Pierangelo C, Alpers M, Millet B, Abshire JB et al. MERLIN: A French-German space lidar mission dedicated to atmospheric methane. Remote Sensing. 2017 Oct 1;9(10). 1052. https://doi.org/10.3390/rs9101052