Identification and quantification of CH<sub>4</sub> emissions  from Madrid landfills using airborne imaging spectrometry and greenhouse gas lidar

Krautwurst, Sven; Fruck, Christian; Wolff, Sebastian; Borchardt, Jakob; Huhs, Oke; Gerilowski, Konstantin; Gałkowski, Michał; Kiemle, Christoph; Quatrevalet, Mathieu; Wirth, Martin; Mallaun, Christian; Burrows, John P.; Gerbig, Christoph; Fix, Andreas; Bösch, Hartmut; Bovensmann, Heinrich

doi:10.5194/acp-25-14669-2025

Articles | Volume 25, issue 21

https://doi.org/10.5194/acp-25-14669-2025

© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.

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https://doi.org/10.5194/acp-25-14669-2025

© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 25, issue 21

Research article

|

05 Nov 2025

Research article |

| 05 Nov 2025

Identification and quantification of CH₄ emissions from Madrid landfills using airborne imaging spectrometry and greenhouse gas lidar

Sven Krautwurst, Christian Fruck, Sebastian Wolff, Jakob Borchardt, Oke Huhs, Konstantin Gerilowski, Michał Gałkowski, Christoph Kiemle, Mathieu Quatrevalet, Martin Wirth, Christian Mallaun, John P. Burrows, Christoph Gerbig, Andreas Fix, Hartmut Bösch, and Heinrich Bovensmann

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Month	HTML	PDF	XML	Total
Oct 2024	84	29	3	116
Nov 2024	96	39	9	144
Dec 2024	43	14	2	59
Jan 2025	51	16	3	70
Feb 2025	46	13	30	89
Mar 2025	39	7	4	50
Apr 2025	53	23	3	79
May 2025	28	16	1	45
Jun 2025	34	9	3	46
Jul 2025	31	7	2	40
Aug 2025	148	11	7	166
Sep 2025	526	13	2	541
Oct 2025	35	18	1	54
Nov 2025	445	81	16	542
Dec 2025	161	88	12	261
Jan 2026	336	66	9	411
Feb 2026	403	24	2	429

Cumulative views and downloads (calculated since 29 Oct 2024)

Month	HTML	PDF	XML	Total
Oct 2024	84	29	3	116
Nov 2024	96	39	9	144
Dec 2024	43	14	2	59
Jan 2025	51	16	3	70
Feb 2025	46	13	30	89
Mar 2025	39	7	4	50
Apr 2025	53	23	3	79
May 2025	28	16	1	45
Jun 2025	34	9	3	46
Jul 2025	31	7	2	40
Aug 2025	148	11	7	166
Sep 2025	526	13	2	541
Oct 2025	35	18	1	54
Nov 2025	445	81	16	542
Dec 2025	161	88	12	261
Jan 2026	336	66	9	411
Feb 2026	403	24	2	429

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Short summary

Anomalously high CH₄ emissions from landfills in Madrid, Spain, have been observed by satellite measurements in recent years. Our investigations of these waste facilities, using passive and active airborne remote sensing measurements, confirm these high emission rates with values of up to 13 th⁻¹ during the overflight and show excellent agreement between the two techniques. A large fraction of the emissions is attributed to active landfill sites.


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Identification and quantification of CH4 emissions from Madrid landfills using airborne imaging spectrometry and greenhouse gas lidar

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Identification and quantification of CH₄ emissions from Madrid landfills using airborne imaging spectrometry and greenhouse gas lidar