Publications

2025

  • Bartsch, A. et al.: Advancing the Arctic Methane Permafrost Challenge (AMPAC) With Future Satellite Missions, in IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 10.1109/JSTARS.2025.3538897, 2025

2024

  • Bartsch, A., Hugelius, G., Grosse, G., Hashemi, J., Treat, C., Goeckede, M., Tamminen, J., Fix, A., Sachs, T., Houweling, S., Bergstedt, H., and Widhalm, B.: Remote sensing supporting the Arctic Methane and Permafrost Challenge (AMPAC), EGU General Assembly 2024, Vienna, Austria, 14–19 Apr 2024, EGU24-14843, 10.5194/egusphere-egu24-14843, 2024.
  • Feist, Dietrich und Zechlau, Sabrina und Ehret, Gerhard und Bousquet, P. (2024) MERLIN – Measuring methane with lidar from space. EGU24 General Assembly, 2024-04-14 – 2024-04-19, Wien, Österreich. 10.5194/egusphere-egu24-19932, 2024
  • Fruck, C., Wolff, S., Krautwurst, S., Kiemle, C., Kanzler, L. M., Quatrevalet, M., Wirth, M., Fix, A., Borchardt, J., Huhs, O., Ehret, G., and Bovensmann, H.: Towards the Quantification and Attribution of Anthropogenic CH4 Fluxes based on Airborne Lidar and Passive Measurements over the Lloydminster Oil and Gas fields, EGU General Assembly 2024, Vienna, Austria, 14–19 Apr 2024, EGU24-9599, 10.5194/egusphere-egu24-9599, 2024.
  • Kiemle, Christoph und Fruck, Christian und Fix, Andreas und Ehret, Gerhard und Quatrevalet, Mathieu (2024) Towards the Estimation of Canadian Wetland Methane Fluxes with Airborne Lidar. EGU General Assembly, 2024-04-15 – 2024-04-19, Wien, Österreich, 2024
  • Krautwurst, S., Fruck, C., Wolff, S., Borchardt, J., Huhs, O., Gerilowski, K., Gałkowski, M., Kiemle, C., Quatrevalet, M., Wirth, M., Mallaun, C., Burrows, J. P., Gerbig, C., Fix, A., Bösch, H., and Bovensmann, H.: Identification and Quantification of CH4 Emissions from Madrid Landfills using Airborne Imaging Spectrometry and Greenhouse Gas Lidar, EGUsphere, 10.5194/egusphere-2024-3182, 2024.
  • Gerbig, C., Kaiser-Weiss, A., Bovensmann, H., Kiese, R., Scheer, C., Akinyede, R., Ellerhoff, B., Reuter, M., Imhof, H., Plaß-Dülmer, C., and Fix, A.: The Integrated Greenhouse gas Monitoring System (ITMS) for Germany: Update on recent progress, EGU General Assembly 2024, Vienna, Austria, 14–19 Apr 2024, EGU24-7594, 10.5194/egusphere-egu24-7594, 2024.
  • Fabien Gibert, Raymond Armante, Vincent Cassé, Olivier Chomette, Cyril Crevoisier, et al.: Ongoing activities at LMD to prepare the CH4 space lidar mission MERLIN. 31st International Laser Radar Conference, Jun 2024, Landshut, Germany. hal-04727499, 2024
  • Fruck, C., M. Quatrevalet, S. Wolff, M. Wirth, C. Kiemle, G. Ehret, A. Fix: Airborne Lidar Measurements of Anthropogenic Methane Sources with CHARM-F during the CoMet 2.0 Arctic Campaign. In: 31st International Laser Radar Conference (ILRC). 31st International Laser Radar Conference, 2024-06-23 – 2024-06-28, Landshut, Germany, 2024
  • Fix A., M. Quatrevalet, C. Fruck, M. Wirth, S. Wolff, G. Ehret, C. Kiemle, H. Bovensmann, S. Krautwurst, C. Gerbig, M. Galkowski, P. Jöckel, J. Marshall, A.-E. Roiger, K. Pfeilsticker, B. Bernhard: Understanding greenhouse gases: Insights from the CoMet airborne missions using lidar complemented by passive-remote-sensing, and in-situ instruments. 31st International LAser Radar Conference, 2024-06-24 – 2024-06-28, Landshut, Germany, 2024
  • Quatrevalet M., A. Fix, M. Wirth, T. Bodenbach, P. Rossi: Cloud slicing retrievals of the methane concentration in the planetary boundary layer from CHARM-F XCH4 measurements over the Northern Scandinavian wetlands, 31st International Laser Radar Conference, 2024-06-24 – 2024-06-28, Landshut, Germany, 2024
  • Zechlau S., G. Ehret, A. Fix, C. Fruck, M. Quatrevalet, M. Wirth, S. Wolff: Validation of the MERLIN Data Products by the Airborne Demonstrator CHARM-F, 31st International Laser Radar Conference, 2024-06-24 – 2024-06-28, Landshut, Germany, 2024

2023

  • Vasilchenko S., T. Delahaye, S. Kassi, A. Campargue, R. Armante, H. Tran, D. Mondelain: Temperature dependence of the absorption of the R(6) manifold of the 2ν3 band of methane in air in support of the MERLIN mission, Journal of Quantitative Spectroscopy and Radiative Transfer, 298 (108483), 10.1016/j.jqsrt.2023.108483.108483, 2023
  • Strasser, N.,, C. Wührer, C. Kühl, M. Haiml, D. Viehmann, M. Kritzler: MERLIN (MEthane Remote sensing LIdar missioN): heading towards PFM and observation of interesting effects, Proc. SPIE 12777, International Conference on Space Optics — ICSO 2022, 127772T, 10.1117/12.2690303, 2023
  • Traub M., S. Wissenberg, T. Westphalen, S. Klein, J. Ammersbach, M. Livrozet, B. Gronloh, D. Esser, M. Giesberts, H. Faidel, D. Mohr, H.-D. Hoffmann, C. L. Haefner: Highly reliable diode laser pump sources for the space qualified MERLIN laser platform and future wind LiDAR missions, Proc. SPIE 12403, High-Power Diode Laser Technology XXI, 124030A; 10.1117/12.2657282, 2023

  • Gronloh B., J. Ammersbach, M. Livrozet, J. Luttmann, T. Heider, D. Hoffmann: MERLIN laser plattform – Inherent stability and reliability aspects with prospects for future LIDAR applications, ESA Lidar Workshop, 2023

2022

  • Cassé, V., Chomette, O., Crevoisier, C., Gibert, F., Brožková, R., El Khatib, R., and Nahan, F.: Impact of Meteorological Uncertainties in the Methane Retrieval Ground Segment of the MERLIN Lidar Mission, Atmosphere, 13, 10.3390/atmos13030431, 2022
  • Jacob, D. J., Varon, D. J., Cusworth, D. H., Dennison, P. E., Frankenberg, C., Gautam, R., Guanter, L., Kelley, J., McKeever, J., Ott, L. E., Poulter, B., Qu, Z., Thorpe, A. K., Worden, J. R., and Duren, R. M.: Quantifying methane emissions from the global scale down to point sources using satellite observations of atmospheric methane, Atmos. Chem. Phys., 22, 9617–9646, 10.5194/acp-22-9617-2022, 2022
  • Miner, K.R., Turetsky, M.R., Malina, E. et al. Permafrost carbon emissions in a changing Arctic. Nat Rev Earth Environ 3, 55–67, 10.1038/s43017-021-00230-3, 2022
  • Arnold, S.G. et al.: Overview and Status of the Methane Remote Sensing Lidar Mission: MERLIN. In: Sullivan, J.T., et al. Proceedings of the 30th International Laser Radar Conference. ILRC 2022. Springer Atmospheric Sciences. Springer, Cham.10.1007/978-3-031-37818-8_86, 2023
  • Hahn, S., B. Gronloh, C. Wührer, D. Kokkinos, C. Kühl, J. Ammersbach, M. Livrozet, H.-D. Hoffmann, P. Bartsch: MERLIN high energy laser source for methane sensing at 1645 nm, Proc. SPIE 12777, International Conference on Space Optics — ICSO 2022, 127770M, 10.1117/12.2688829, 2022
  • Kokkinos D., B. Gronloh, S. Hahn, J. Ammersbach, C. Wühre, C. Kühl, D. Hoffmann: Merlin Laser Technology Development Status and the Potential Future Applications, IGARSS 2022 – 2022 IEEE International Geoscience and Remote Sensing Symposium, Kuala Lumpur, Malaysia, 4264-4267, 10.1109/IGARSS46834.2022.9884574, 2022

2021

  • Livrozet, M., Gronloh, B., Faidel, H., Luttmann, J., and Hoffmann, D.: Optical and optomechanical design of the MERLIN laser optical bench, 2021.
  • Delahaye, T., Armante, R., Scott, N. A., Jacquinet-Husson, N., Chédin, A., Crépeau, L., Crevoisier, et al., The 2020 edition of the GEISA spectroscopic database, Journal of Molecular Spectroscopy, 380, 10.1016/j.jms.2021.111510, 2021
  • Cassé, V., Armante, R., Bousquet, P., Chomette, O., Crevoisier, Cet al. .: Development and validation of an end‐to‐end simulator and gas concentration retrieval processor applied to the merlin lidar mission, Remote Sensing, 13, 10.3390/rs13142679, 2021

2019

  • Vasilchenko, S., Tran, H., Mondelain, D., Kassi, S., and Campargue, A.: Accurate absorption spectroscopy of water vapor near 1.64 µm in support of (MERLIN), Journal of Quantitative Spectroscopy and Radiative Transfer, 235, 332-342, 10.1016/j.jqsrt.2019.06.027, 2019
  • Nikolov, S., Wührer, C., Kühl, C., Bode, M., Hupfer, W., and Lucarelli, S.: MERLIN: design of an IPDA LIDAR instrument, CEAS Space Journal, 11, 437-457, 10.1007/s12567-019-00267-7, 2019
  • Heinecke, D., Liebherr, T., Battles, D., Schleisiek, K., Fehrenbacher, D et al..: The absolute frequency reference unit for the spaceborne methane-sensing lidar mission MERLIN, CEAS Space Journal, 11, 459-473, 10.1007/s12567-019-00268-6, 2019,
  • Hamidouche, M., Lichtenberg, G., Aberle, B., and Trautmann, T.: A Space Borne Lidar Instrument for Methane: Instrument Monitoring and Quality Assurance, 7805-7808, 10.1109/IGARSS.2019.8898087, 2019
  • Delahaye, T., Ghysels, M., Hodges, J. T., Sung, K., Armante, R., and Tran, H.: Measurement and Modeling of Air-Broadened Methane Absorption in the MERLIN Spectral Region at Low Temperatures, JGR-A, 124, 3556-3564, 10.1029/2018JD028917, 2019,
  • Cassé, V., Gibert, F., Edouart, D., Chomette, O., and Crevoisier, C.: Optical energy variability induced by speckle: The cases of MERLIN and CHARM-F IPDA lidar, Atmosphere, 10, 10.3390/atmos10090540, 2019
  • Wührer C., C. Kühl, S. Lucarelli, M. Bode: MERLIN: overview of the design status of the lidar Instrument, Proc. SPIE 11180, International Conference on Space Optics — ICSO 2018, 1118028, 10.1117/12.2535999, 2019

2018

  • Wührer, C., Kühl, C., Lucarelli, S., and Bode, M.: Merlin: Overview of the design status of the lidar instrument, 2018.
  • Tellier, Y., Pierangelo, C., Wirth, M., Gibert, F., and Marnas, F.: Averaging bias correction for the future space-borne methane IPDA lidar mission MERLIN, Atmospheric Measurement Techniques, 11, 5865-5884, 10.5194/amt-11-5865-2018, 2018,
  • Tellier, Y., Pierangelo, C., Wirth, M., and Gibert, F.: Averaging Bias Correction for Future IPDA Lidar Mission MERLIN, 10.1051/epjconf/201817602020, 2018.
  • Schaefer, H., Heinecke, D., Liebherr, T., Battles, D., Schleisiek, K., Fehrenbacher, D., Herding, M., Baatzsch, A., Dahl, C., and Nicklaus, K.: An absolute frequency reference unit for space borne spectroscopy, 10.1007/s12567-019-00268-6, 2018.
  • Olivier, C., Armante, R., Crevoisier, C., Delahaye, T., Edouart, D., Gibert, F., Nahan, F., and Tellier, Y.: CH4 IPDA Lidar mission data simulator and processor for MERLIN: Prototype development at LMD/CNRS/Ecole Polytechnique, 10.1051/epjconf/201817602016, 2018.
  • Elsen, F., Livrozet, M., Strotkamp, M., et al. : Demonstration of a 100-mJ OPO/OPA for future lidar applications and laser-induced damage threshold testing of optical components for MERLIN, Optical Engineering, 57, 10.1117/1.OE.57.2.021205, 2018,
  • Bousquet, P., Pierangelo, C., Bacour, C., Marshall, J., Peylin, P., Ayar, P. V., Ehret, G., et al..: Error Budget of the MEthane Remote LIdar missioN and Its Impact on the Uncertainties of the Global Methane Budget, JGR-A,123, 11,766-711,785, 10.1029/2018JD028907, 2018
  • Amediek, A., Ehret, G., Fix, A., Wirth, M., Büdenbender, C., Quatrevalet, M., and Kiemle, C.: Performance of Charm-F – The airborne demonstrator for Merlin, 10.1051/epjconf/201817601002, 2018.

2017

  • Stephan, C., Alpers, M., Millet, B., Ehret, G., and Flamant, P.: Methane Monitoring from Space an Overview on the MERLIN Instrument, 10.1117/12.2309021, 2017.
  • Luttmann, J., Klein, J., Plum, H. D., Hoffmann, H. D., Hahn, S., and Bode, M.: FULAS: Design and test results of a novel laser platform for future LIDAR missions, 10.1117/12.2256361, 2017.
  • Heinecke, D., Liebherr, T., Diekmann, C., Baatzsch, A., Herding, M., Taha, M., Birmuske, R., Wang, X., Battles, D., Dahl, K., Kiewe, B., Schleisiek, K., Beller, N., Schafer, H., and Nicklaus, K.: The absolute frequency reference unit for the methane-sensing lidar mission Merlin, 10.1117/12.2296087, 2017.
  • Ehret, G., Bousquet, P., Pierangelo, C., Alpers, M., Millet, B., Abshire, J. B., Bovensmann, H., Burrows, J. P., Chevallier, F., Ciais, P., et al. .: MERLIN: A French-German space lidar mission dedicated to atmospheric methane, Remote Sensing, 9, 10.3390/rs9101052, 2017
  • Cadiou, E., Dherbecourt, J. B., Gorju, G., Melkonian, J. M., Godard, A., Pelon, J., and Raybaut, M.: Direct detection range resolved carbon dioxide differential absorption lidar measurements in the 2 μm range, 10.1117/12.2262497, 2017.
  • Bode, M., Wührer, C., Alpers, M., Millet, B., Ehret, G., and Bousquet, P.: Merlin: An integrated path differential absorption (IPDA) lidar for global methane remote sensing, 10.1117/12.2296115, 2017.

2016

  • Zéninari, V., Vallon, R., Parvitte, B., Delahaye, T., and Tran, H.: Line profile study of the R6 multicomponent of CH4 around 1.6 μm for the French-German climate mission MERLIN, 2016.
  • Strzepek, A., Esteve, F., Salas, S., Millet, B., and Darnes, H.: A training, operations and maintenance simulator (TOMS) made to serve the MERLIN mission, 2016.
  • Pierangelo, C., Millet, B., Esteve, F., Alpers, M., Ehret, G., Flamant, P., Berthier, S., Gibert, F., Chomette, O., Edouart, D., Deniel, C., Bousquet, P., and Chevallier, F.: MERLIN (Methane Remote Sensing Lidar Mission): An Overview, 2016.
  • Fix, A., Quatrevalet, M., Witschas, B., Wirth, M., Budenbender, C., Amediek, A., and Ehret, G.: Challenges and Solutions for Frequency and Energy References for Spaceborne and Airborne Integrated Path Differential Absorption Lidars, 2016.
  • Delahaye, T., Maxwell, S. E., Reed, Z. D., Lin, H., Hodges, J. T., Sung, K., Devi, V. M., Warneke, T., Spietz, P., and Tran, H.: Precise methane absorption measurements in the 1.64µm spectral region for the MERLIN mission, JGR, 121, 7360-7370, 10.1002/2016JD025024,2016

2011 – 2015

  • Fernandez, M. A., Guillois, G., Richard, Y., Latiri, A., Guillon, H., Artaud, G., Lafabrie, P., Robert, E., Loisel, C., Dudal, C., and Issler, J. L.: After rosetta & myriade, now a new generation of radio equipment for merlin & myriade evolutions, 2015, 3671-3680.
  • Elsen, F., Heinzig, M., Livrozet, M. J., Löhring, J., Wüppen, J., Büdenbender, C., Fix, A., Jungbluth, B., and Hoffmann, H. D.: Feasibility and performance study for a space-borne 1645 nm OPO for French-German satellite mission MERLIN, 2014.
  • Pasquier, H., Anadon, M. L., Charmeau, M. C., and Gelie, P.: A new ground system product line for CNES future missions relying on ISIS, 2013, 7890-7901.
  • Ehret, G., Flamant, P. H., Alpers, M., Millet, B., Stephan, C., and Crebassol, P.: The French-German climate mission MERLIN, 2013, 86-89.
  • Maliet, E., Koeck, C., Roche, C., Beaufume, E., Millet, B., and Bermudo, F.: Greenhouse gas monitoring missions from space, 2012, 3016-3020.
  • Stephan, C., Alpers, M., Millet, B., Ehret, G., Flamant, P., and Deniel, C.: MERLIN – A space-based methane monitor, 2011.
  • Klein, V., Freudling, M., Stuffler, T., Ehret, G., Alpers, M., Bode, M., Wührer, C., and Flamant, P.: The French-German climate mission MERLIN, 2011, 2677-2681.
  • Kiemle, C., Quatrevalet, M., Ehret, G., Amediek, A., Fix, A., and Wirth, M.: Sensitivity studies for a space-based methane lidar mission, Atmospheric Measurement Techniques, 4, 2195-2211, 10.5194/amt-4-2195-2011, 2011,
  • Flamant, P. H., and Ehret, G.: Greenhouse gas monitoring by lidar in Space MERLIN initiative for Methane, 2011, 7-21.
  • Fix, A., Büdenbender, C., Wirth, M., Quatrevalet, M., Amediek, A., Kiemle, C., and Ehret, G.: Optical parametric oscillators and amplifiers for airborne and spaceborne active remote sensing of CO2 and CH4, 2011