Mapping methane plumes at very high spatial resolution with the WorldView-3 satellite

<p<The detection of methane emissions from industrial activities can help enable effective climate change mitigation strategies. These industrial emissions, such as from oil and gas (O&G) extraction and coal mining, typically occur as large plumes of highly concentrated gas. Different satellite missions have recently shown the potential to map such methane plumes from space. In this work, we report on the promising potential of the WorldView-3 (WV-3) satellite mission for methane mapping. This relies on its unique very high spatial resolution (up to 3.7 m) data in the shortwave infrared part of the spectrum, which is complemented by a good spectral sampling of the methane absorption feature at 2300 nm and a high signal to noise ratio. The proposed retrieval methodology is based on the calculation of methane concentration enhancements from pixel-wise estimates of methane transmittance at WV-3 SWIR band 7 (2235–2285 nm), which is positioned at a highly-sensitive methane absorption region. A sensitivity analysis based on end-to-end simulations has helped to understand retrieval errors and detection limits. The results have shown the good performance of WV-3 for methane mapping, especially over bright and homogeneous areas. The potential of WV-3 for methane mapping has been further tested with real data, which has led to the detection of 26 independent point emissions over different methane hotspot regions, such as O&G extraction fields in Algeria and Turkmenistan, and the Shanxi coal mining region in China. In particular, the detection of very small leaks (<span class="inline-formula"<<</span< 100 kg h<span class="inline-formula"<<sup<−1</sup<</span<) from oil pipelines in Turkmenistan shows the unique capability of WV-3 for mapping industrial methane emissions from space. The mission includes pointing capabilities that allow for a daily revisit over these oil pipelines or other critical infrastructure.</p< Ausführliche Beschreibung

Gespeichert in:

Autor*in:	E. Sánchez-García [verfasserIn] J. Gorroño [verfasserIn] I. Irakulis-Loitxate [verfasserIn] D. J. Varon [verfasserIn] L. Guanter [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2022

Übergeordnetes Werk:	In: Atmospheric Measurement Techniques - Copernicus Publications, 2009, 15(2022), Seite 1657-1674
Übergeordnetes Werk:	volume:15 ; year:2022 ; pages:1657-1674

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc Journal toc

DOI / URN:	10.5194/amt-15-1657-2022

Katalog-ID:	DOAJ046500103

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spelling	10.5194/amt-15-1657-2022 doi (DE-627)DOAJ046500103 (DE-599)DOAJ65f02f2f5974448aacf0041a60a53d64 DE-627 ger DE-627 rakwb eng TA170-171 TA715-787 E. Sánchez-García verfasserin aut Mapping methane plumes at very high spatial resolution with the WorldView-3 satellite 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier <p<The detection of methane emissions from industrial activities can help enable effective climate change mitigation strategies. These industrial emissions, such as from oil and gas (O&G) extraction and coal mining, typically occur as large plumes of highly concentrated gas. Different satellite missions have recently shown the potential to map such methane plumes from space. In this work, we report on the promising potential of the WorldView-3 (WV-3) satellite mission for methane mapping. This relies on its unique very high spatial resolution (up to 3.7 m) data in the shortwave infrared part of the spectrum, which is complemented by a good spectral sampling of the methane absorption feature at 2300 nm and a high signal to noise ratio. The proposed retrieval methodology is based on the calculation of methane concentration enhancements from pixel-wise estimates of methane transmittance at WV-3 SWIR band 7 (2235–2285 nm), which is positioned at a highly-sensitive methane absorption region. A sensitivity analysis based on end-to-end simulations has helped to understand retrieval errors and detection limits. The results have shown the good performance of WV-3 for methane mapping, especially over bright and homogeneous areas. The potential of WV-3 for methane mapping has been further tested with real data, which has led to the detection of 26 independent point emissions over different methane hotspot regions, such as O&G extraction fields in Algeria and Turkmenistan, and the Shanxi coal mining region in China. In particular, the detection of very small leaks (<span class="inline-formula"<<</span< 100 kg h<span class="inline-formula"<<sup<−1</sup<</span<) from oil pipelines in Turkmenistan shows the unique capability of WV-3 for mapping industrial methane emissions from space. The mission includes pointing capabilities that allow for a daily revisit over these oil pipelines or other critical infrastructure.</p< Environmental engineering Earthwork. Foundations J. Gorroño verfasserin aut I. Irakulis-Loitxate verfasserin aut D. J. Varon verfasserin aut L. Guanter verfasserin aut In Atmospheric Measurement Techniques Copernicus Publications, 2009 15(2022), Seite 1657-1674 (DE-627)605214441 (DE-600)2505596-3 18678548 nnns volume:15 year:2022 pages:1657-1674 https://doi.org/10.5194/amt-15-1657-2022 kostenfrei https://doaj.org/article/65f02f2f5974448aacf0041a60a53d64 kostenfrei https://amt.copernicus.org/articles/15/1657/2022/amt-15-1657-2022.pdf kostenfrei https://doaj.org/toc/1867-1381 Journal toc kostenfrei https://doaj.org/toc/1867-8548 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_267 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 15 2022 1657-1674
allfields_unstemmed	10.5194/amt-15-1657-2022 doi (DE-627)DOAJ046500103 (DE-599)DOAJ65f02f2f5974448aacf0041a60a53d64 DE-627 ger DE-627 rakwb eng TA170-171 TA715-787 E. Sánchez-García verfasserin aut Mapping methane plumes at very high spatial resolution with the WorldView-3 satellite 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier <p<The detection of methane emissions from industrial activities can help enable effective climate change mitigation strategies. These industrial emissions, such as from oil and gas (O&G) extraction and coal mining, typically occur as large plumes of highly concentrated gas. Different satellite missions have recently shown the potential to map such methane plumes from space. In this work, we report on the promising potential of the WorldView-3 (WV-3) satellite mission for methane mapping. This relies on its unique very high spatial resolution (up to 3.7 m) data in the shortwave infrared part of the spectrum, which is complemented by a good spectral sampling of the methane absorption feature at 2300 nm and a high signal to noise ratio. The proposed retrieval methodology is based on the calculation of methane concentration enhancements from pixel-wise estimates of methane transmittance at WV-3 SWIR band 7 (2235–2285 nm), which is positioned at a highly-sensitive methane absorption region. A sensitivity analysis based on end-to-end simulations has helped to understand retrieval errors and detection limits. The results have shown the good performance of WV-3 for methane mapping, especially over bright and homogeneous areas. The potential of WV-3 for methane mapping has been further tested with real data, which has led to the detection of 26 independent point emissions over different methane hotspot regions, such as O&G extraction fields in Algeria and Turkmenistan, and the Shanxi coal mining region in China. In particular, the detection of very small leaks (<span class="inline-formula"<<</span< 100 kg h<span class="inline-formula"<<sup<−1</sup<</span<) from oil pipelines in Turkmenistan shows the unique capability of WV-3 for mapping industrial methane emissions from space. The mission includes pointing capabilities that allow for a daily revisit over these oil pipelines or other critical infrastructure.</p< Environmental engineering Earthwork. Foundations J. Gorroño verfasserin aut I. Irakulis-Loitxate verfasserin aut D. J. Varon verfasserin aut L. Guanter verfasserin aut In Atmospheric Measurement Techniques Copernicus Publications, 2009 15(2022), Seite 1657-1674 (DE-627)605214441 (DE-600)2505596-3 18678548 nnns volume:15 year:2022 pages:1657-1674 https://doi.org/10.5194/amt-15-1657-2022 kostenfrei https://doaj.org/article/65f02f2f5974448aacf0041a60a53d64 kostenfrei https://amt.copernicus.org/articles/15/1657/2022/amt-15-1657-2022.pdf kostenfrei https://doaj.org/toc/1867-1381 Journal toc kostenfrei https://doaj.org/toc/1867-8548 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_267 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 15 2022 1657-1674
allfieldsGer	10.5194/amt-15-1657-2022 doi (DE-627)DOAJ046500103 (DE-599)DOAJ65f02f2f5974448aacf0041a60a53d64 DE-627 ger DE-627 rakwb eng TA170-171 TA715-787 E. Sánchez-García verfasserin aut Mapping methane plumes at very high spatial resolution with the WorldView-3 satellite 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier <p<The detection of methane emissions from industrial activities can help enable effective climate change mitigation strategies. These industrial emissions, such as from oil and gas (O&G) extraction and coal mining, typically occur as large plumes of highly concentrated gas. Different satellite missions have recently shown the potential to map such methane plumes from space. In this work, we report on the promising potential of the WorldView-3 (WV-3) satellite mission for methane mapping. This relies on its unique very high spatial resolution (up to 3.7 m) data in the shortwave infrared part of the spectrum, which is complemented by a good spectral sampling of the methane absorption feature at 2300 nm and a high signal to noise ratio. The proposed retrieval methodology is based on the calculation of methane concentration enhancements from pixel-wise estimates of methane transmittance at WV-3 SWIR band 7 (2235–2285 nm), which is positioned at a highly-sensitive methane absorption region. A sensitivity analysis based on end-to-end simulations has helped to understand retrieval errors and detection limits. The results have shown the good performance of WV-3 for methane mapping, especially over bright and homogeneous areas. The potential of WV-3 for methane mapping has been further tested with real data, which has led to the detection of 26 independent point emissions over different methane hotspot regions, such as O&G extraction fields in Algeria and Turkmenistan, and the Shanxi coal mining region in China. In particular, the detection of very small leaks (<span class="inline-formula"<<</span< 100 kg h<span class="inline-formula"<<sup<−1</sup<</span<) from oil pipelines in Turkmenistan shows the unique capability of WV-3 for mapping industrial methane emissions from space. The mission includes pointing capabilities that allow for a daily revisit over these oil pipelines or other critical infrastructure.</p< Environmental engineering Earthwork. Foundations J. Gorroño verfasserin aut I. Irakulis-Loitxate verfasserin aut D. J. Varon verfasserin aut L. Guanter verfasserin aut In Atmospheric Measurement Techniques Copernicus Publications, 2009 15(2022), Seite 1657-1674 (DE-627)605214441 (DE-600)2505596-3 18678548 nnns volume:15 year:2022 pages:1657-1674 https://doi.org/10.5194/amt-15-1657-2022 kostenfrei https://doaj.org/article/65f02f2f5974448aacf0041a60a53d64 kostenfrei https://amt.copernicus.org/articles/15/1657/2022/amt-15-1657-2022.pdf kostenfrei https://doaj.org/toc/1867-1381 Journal toc kostenfrei https://doaj.org/toc/1867-8548 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_267 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 15 2022 1657-1674
allfieldsSound	10.5194/amt-15-1657-2022 doi (DE-627)DOAJ046500103 (DE-599)DOAJ65f02f2f5974448aacf0041a60a53d64 DE-627 ger DE-627 rakwb eng TA170-171 TA715-787 E. Sánchez-García verfasserin aut Mapping methane plumes at very high spatial resolution with the WorldView-3 satellite 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier <p<The detection of methane emissions from industrial activities can help enable effective climate change mitigation strategies. These industrial emissions, such as from oil and gas (O&G) extraction and coal mining, typically occur as large plumes of highly concentrated gas. Different satellite missions have recently shown the potential to map such methane plumes from space. In this work, we report on the promising potential of the WorldView-3 (WV-3) satellite mission for methane mapping. This relies on its unique very high spatial resolution (up to 3.7 m) data in the shortwave infrared part of the spectrum, which is complemented by a good spectral sampling of the methane absorption feature at 2300 nm and a high signal to noise ratio. The proposed retrieval methodology is based on the calculation of methane concentration enhancements from pixel-wise estimates of methane transmittance at WV-3 SWIR band 7 (2235–2285 nm), which is positioned at a highly-sensitive methane absorption region. A sensitivity analysis based on end-to-end simulations has helped to understand retrieval errors and detection limits. The results have shown the good performance of WV-3 for methane mapping, especially over bright and homogeneous areas. The potential of WV-3 for methane mapping has been further tested with real data, which has led to the detection of 26 independent point emissions over different methane hotspot regions, such as O&G extraction fields in Algeria and Turkmenistan, and the Shanxi coal mining region in China. In particular, the detection of very small leaks (<span class="inline-formula"<<</span< 100 kg h<span class="inline-formula"<<sup<−1</sup<</span<) from oil pipelines in Turkmenistan shows the unique capability of WV-3 for mapping industrial methane emissions from space. The mission includes pointing capabilities that allow for a daily revisit over these oil pipelines or other critical infrastructure.</p< Environmental engineering Earthwork. Foundations J. Gorroño verfasserin aut I. Irakulis-Loitxate verfasserin aut D. J. Varon verfasserin aut L. Guanter verfasserin aut In Atmospheric Measurement Techniques Copernicus Publications, 2009 15(2022), Seite 1657-1674 (DE-627)605214441 (DE-600)2505596-3 18678548 nnns volume:15 year:2022 pages:1657-1674 https://doi.org/10.5194/amt-15-1657-2022 kostenfrei https://doaj.org/article/65f02f2f5974448aacf0041a60a53d64 kostenfrei https://amt.copernicus.org/articles/15/1657/2022/amt-15-1657-2022.pdf kostenfrei https://doaj.org/toc/1867-1381 Journal toc kostenfrei https://doaj.org/toc/1867-8548 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_267 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 15 2022 1657-1674
language	English
source	In Atmospheric Measurement Techniques 15(2022), Seite 1657-1674 volume:15 year:2022 pages:1657-1674
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authorswithroles_txt_mv	E. Sánchez-García @@aut@@ J. Gorroño @@aut@@ I. Irakulis-Loitxate @@aut@@ D. J. Varon @@aut@@ L. Guanter @@aut@@
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author	E. Sánchez-García
spellingShingle	E. Sánchez-García misc TA170-171 misc TA715-787 misc Environmental engineering misc Earthwork. Foundations Mapping methane plumes at very high spatial resolution with the WorldView-3 satellite
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topic_title	TA170-171 TA715-787 Mapping methane plumes at very high spatial resolution with the WorldView-3 satellite
topic	misc TA170-171 misc TA715-787 misc Environmental engineering misc Earthwork. Foundations
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title	Mapping methane plumes at very high spatial resolution with the WorldView-3 satellite
ctrlnum	(DE-627)DOAJ046500103 (DE-599)DOAJ65f02f2f5974448aacf0041a60a53d64
title_full	Mapping methane plumes at very high spatial resolution with the WorldView-3 satellite
author_sort	E. Sánchez-García
journal	Atmospheric Measurement Techniques
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author_browse	E. Sánchez-García J. Gorroño I. Irakulis-Loitxate D. J. Varon L. Guanter
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title_sort	mapping methane plumes at very high spatial resolution with the worldview-3 satellite
callnumber	TA170-171
title_auth	Mapping methane plumes at very high spatial resolution with the WorldView-3 satellite
abstract	<p<The detection of methane emissions from industrial activities can help enable effective climate change mitigation strategies. These industrial emissions, such as from oil and gas (O&G) extraction and coal mining, typically occur as large plumes of highly concentrated gas. Different satellite missions have recently shown the potential to map such methane plumes from space. In this work, we report on the promising potential of the WorldView-3 (WV-3) satellite mission for methane mapping. This relies on its unique very high spatial resolution (up to 3.7 m) data in the shortwave infrared part of the spectrum, which is complemented by a good spectral sampling of the methane absorption feature at 2300 nm and a high signal to noise ratio. The proposed retrieval methodology is based on the calculation of methane concentration enhancements from pixel-wise estimates of methane transmittance at WV-3 SWIR band 7 (2235–2285 nm), which is positioned at a highly-sensitive methane absorption region. A sensitivity analysis based on end-to-end simulations has helped to understand retrieval errors and detection limits. The results have shown the good performance of WV-3 for methane mapping, especially over bright and homogeneous areas. The potential of WV-3 for methane mapping has been further tested with real data, which has led to the detection of 26 independent point emissions over different methane hotspot regions, such as O&G extraction fields in Algeria and Turkmenistan, and the Shanxi coal mining region in China. In particular, the detection of very small leaks (<span class="inline-formula"<<</span< 100 kg h<span class="inline-formula"<<sup<−1</sup<</span<) from oil pipelines in Turkmenistan shows the unique capability of WV-3 for mapping industrial methane emissions from space. The mission includes pointing capabilities that allow for a daily revisit over these oil pipelines or other critical infrastructure.</p<
abstractGer	<p<The detection of methane emissions from industrial activities can help enable effective climate change mitigation strategies. These industrial emissions, such as from oil and gas (O&G) extraction and coal mining, typically occur as large plumes of highly concentrated gas. Different satellite missions have recently shown the potential to map such methane plumes from space. In this work, we report on the promising potential of the WorldView-3 (WV-3) satellite mission for methane mapping. This relies on its unique very high spatial resolution (up to 3.7 m) data in the shortwave infrared part of the spectrum, which is complemented by a good spectral sampling of the methane absorption feature at 2300 nm and a high signal to noise ratio. The proposed retrieval methodology is based on the calculation of methane concentration enhancements from pixel-wise estimates of methane transmittance at WV-3 SWIR band 7 (2235–2285 nm), which is positioned at a highly-sensitive methane absorption region. A sensitivity analysis based on end-to-end simulations has helped to understand retrieval errors and detection limits. The results have shown the good performance of WV-3 for methane mapping, especially over bright and homogeneous areas. The potential of WV-3 for methane mapping has been further tested with real data, which has led to the detection of 26 independent point emissions over different methane hotspot regions, such as O&G extraction fields in Algeria and Turkmenistan, and the Shanxi coal mining region in China. In particular, the detection of very small leaks (<span class="inline-formula"<<</span< 100 kg h<span class="inline-formula"<<sup<−1</sup<</span<) from oil pipelines in Turkmenistan shows the unique capability of WV-3 for mapping industrial methane emissions from space. The mission includes pointing capabilities that allow for a daily revisit over these oil pipelines or other critical infrastructure.</p<
abstract_unstemmed	<p<The detection of methane emissions from industrial activities can help enable effective climate change mitigation strategies. These industrial emissions, such as from oil and gas (O&G) extraction and coal mining, typically occur as large plumes of highly concentrated gas. Different satellite missions have recently shown the potential to map such methane plumes from space. In this work, we report on the promising potential of the WorldView-3 (WV-3) satellite mission for methane mapping. This relies on its unique very high spatial resolution (up to 3.7 m) data in the shortwave infrared part of the spectrum, which is complemented by a good spectral sampling of the methane absorption feature at 2300 nm and a high signal to noise ratio. The proposed retrieval methodology is based on the calculation of methane concentration enhancements from pixel-wise estimates of methane transmittance at WV-3 SWIR band 7 (2235–2285 nm), which is positioned at a highly-sensitive methane absorption region. A sensitivity analysis based on end-to-end simulations has helped to understand retrieval errors and detection limits. The results have shown the good performance of WV-3 for methane mapping, especially over bright and homogeneous areas. The potential of WV-3 for methane mapping has been further tested with real data, which has led to the detection of 26 independent point emissions over different methane hotspot regions, such as O&G extraction fields in Algeria and Turkmenistan, and the Shanxi coal mining region in China. In particular, the detection of very small leaks (<span class="inline-formula"<<</span< 100 kg h<span class="inline-formula"<<sup<−1</sup<</span<) from oil pipelines in Turkmenistan shows the unique capability of WV-3 for mapping industrial methane emissions from space. The mission includes pointing capabilities that allow for a daily revisit over these oil pipelines or other critical infrastructure.</p<
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title_short	Mapping methane plumes at very high spatial resolution with the WorldView-3 satellite
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