Synoptic analysis of a decade of daily measurements of SO2 emission in the troposphere from volcanoes of the global ground-based network for observation of volcanic and atmospheric change
Volcanic plumes are common and far-reaching manifestations of volcanic activity during and between eruptions. Observations of the rate of emission and composition of volcanic plumes are essential to recognize and, in some cases, predict the state of volcanic activity. Measurements of the size and lo...
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| Format: | Journal Article |
| Language: | English |
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2021
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| Online Access: | https://hdl.handle.net/10356/153600 |
| _version_ | 1824455404584697856 |
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| author | Arellano, Santiago Galle, Bo Apaza, Fredy Avard, Geoffroy Barrington, Charlotte Bobrowski, Nicole Bucarey, Claudia Burbano, Viviana Burton, Mike Chacón, Zoraida Chigna, Gustavo Clarito, Christian Joseph Conde, Vladimir Costa, Fidel De Moor, Maarten Delgado-Granados, Hugo Di Muro, Andrea Fernandez, Deborah Garzón, Gustavo Gunawan, Hendra Haerani, Nia Hansteen, Thor. H. Hidalgo, Silvana Inguaggiato, Salvatore Johansson, Mattias Kern, Christoph Kihlman, Manne Kowalski, Philippe Masias, Pablo Montalvo, Francisco Möller, Joakim Platt, Ulrich Rivera, Claudia Saballos, Armando Salerno, Giuseppe Taisne, Benoit Vásconez, Freddy Velásquez, Gabriela Vita, Fabio Yalire, Mathieu |
| author2 | Earth Observatory of Singapore |
| author_facet | Earth Observatory of Singapore Arellano, Santiago Galle, Bo Apaza, Fredy Avard, Geoffroy Barrington, Charlotte Bobrowski, Nicole Bucarey, Claudia Burbano, Viviana Burton, Mike Chacón, Zoraida Chigna, Gustavo Clarito, Christian Joseph Conde, Vladimir Costa, Fidel De Moor, Maarten Delgado-Granados, Hugo Di Muro, Andrea Fernandez, Deborah Garzón, Gustavo Gunawan, Hendra Haerani, Nia Hansteen, Thor. H. Hidalgo, Silvana Inguaggiato, Salvatore Johansson, Mattias Kern, Christoph Kihlman, Manne Kowalski, Philippe Masias, Pablo Montalvo, Francisco Möller, Joakim Platt, Ulrich Rivera, Claudia Saballos, Armando Salerno, Giuseppe Taisne, Benoit Vásconez, Freddy Velásquez, Gabriela Vita, Fabio Yalire, Mathieu |
| author_sort | Arellano, Santiago |
| collection | NTU |
| description | Volcanic plumes are common and far-reaching manifestations of volcanic activity during and between eruptions. Observations of the rate of emission and composition of volcanic plumes are essential to recognize and, in some cases, predict the state of volcanic activity. Measurements of the size and location of the plumes are important to assess the impact of the emission from sporadic or localized events to persistent or widespread processes of climatic and environmental importance. These observations provide information on volatile budgets on Earth, chemical evolution of magmas, and atmospheric circulation and dynamics. Space-based observations during the last decades have given us a global view of Earth's volcanic emission, particularly of sulfur dioxide (<span classCombining double low line"inline-formula">SO2</span>). Although none of the satellite missions were intended to be used for measurement of volcanic gas emission, specially adapted algorithms have produced time-averaged global emission budgets. These have confirmed that tropospheric plumes, produced from persistent degassing of weak sources, dominate the total emission of volcanic <span classCombining double low line"inline-formula">SO2</span>. Although space-based observations have provided this global insight into some aspects of Earth's volcanism, it still has important limitations. The magnitude and short-term variability of lower-atmosphere emissions, historically less accessible from space, remain largely uncertain. Operational monitoring of volcanic plumes, at scales relevant for adequate surveillance, has been facilitated through the use of ground-based scanning differential optical absorption spectrometer (ScanDOAS) instruments since the beginning of this century, largely due to the coordinated effort of the Network for Observation of Volcanic and Atmospheric Change (NOVAC). In this study, we present a compilation of results of homogenized post-analysis of measurements of <span classCombining double low line"inline-formula">SO2</span> flux and plume parameters obtained during the period March 2005 to January 2017 of 32 volcanoes in NOVAC. This inventory opens a window into the short-term emission patterns of a diverse set of volcanoes in terms of magma composition, geographical location, magnitude of emission, and style of eruptive activity. We find that passive volcanic degassing is by no means a stationary process in time and that large sub-daily variability is observed in the flux of volcanic gases, which has implications for emission budgets produced using short-term, sporadic observations. The use of a standard evaluation method allows for intercomparison between different volcanoes and between ground- and space-based measurements of the same volcanoes. The emission of several weakly degassing volcanoes, undetected by satellites, is presented for the first time. We also compare our results with those reported in the literature, providing ranges of variability in emission not accessible in the past. The open-access data repository introduced in this article will enable further exploitation of this unique dataset, with a focus on volcanological research, risk assessment, satellite-sensor validation, and improved quantification of the prevalent tropospheric component of global volcanic emission. |
| first_indexed | 2025-02-19T03:37:40Z |
| format | Journal Article |
| id | ntu-10356/153600 |
| institution | Nanyang Technological University |
| language | English |
| last_indexed | 2025-02-19T03:37:40Z |
| publishDate | 2021 |
| record_format | dspace |
| spelling | ntu-10356/1536002021-12-11T20:11:21Z Synoptic analysis of a decade of daily measurements of SO2 emission in the troposphere from volcanoes of the global ground-based network for observation of volcanic and atmospheric change Arellano, Santiago Galle, Bo Apaza, Fredy Avard, Geoffroy Barrington, Charlotte Bobrowski, Nicole Bucarey, Claudia Burbano, Viviana Burton, Mike Chacón, Zoraida Chigna, Gustavo Clarito, Christian Joseph Conde, Vladimir Costa, Fidel De Moor, Maarten Delgado-Granados, Hugo Di Muro, Andrea Fernandez, Deborah Garzón, Gustavo Gunawan, Hendra Haerani, Nia Hansteen, Thor. H. Hidalgo, Silvana Inguaggiato, Salvatore Johansson, Mattias Kern, Christoph Kihlman, Manne Kowalski, Philippe Masias, Pablo Montalvo, Francisco Möller, Joakim Platt, Ulrich Rivera, Claudia Saballos, Armando Salerno, Giuseppe Taisne, Benoit Vásconez, Freddy Velásquez, Gabriela Vita, Fabio Yalire, Mathieu Earth Observatory of Singapore Science::Geology Rate of SO2 Emission Volcanic Activity and Changes Volcanic plumes are common and far-reaching manifestations of volcanic activity during and between eruptions. Observations of the rate of emission and composition of volcanic plumes are essential to recognize and, in some cases, predict the state of volcanic activity. Measurements of the size and location of the plumes are important to assess the impact of the emission from sporadic or localized events to persistent or widespread processes of climatic and environmental importance. These observations provide information on volatile budgets on Earth, chemical evolution of magmas, and atmospheric circulation and dynamics. Space-based observations during the last decades have given us a global view of Earth's volcanic emission, particularly of sulfur dioxide (<span classCombining double low line"inline-formula">SO2</span>). Although none of the satellite missions were intended to be used for measurement of volcanic gas emission, specially adapted algorithms have produced time-averaged global emission budgets. These have confirmed that tropospheric plumes, produced from persistent degassing of weak sources, dominate the total emission of volcanic <span classCombining double low line"inline-formula">SO2</span>. Although space-based observations have provided this global insight into some aspects of Earth's volcanism, it still has important limitations. The magnitude and short-term variability of lower-atmosphere emissions, historically less accessible from space, remain largely uncertain. Operational monitoring of volcanic plumes, at scales relevant for adequate surveillance, has been facilitated through the use of ground-based scanning differential optical absorption spectrometer (ScanDOAS) instruments since the beginning of this century, largely due to the coordinated effort of the Network for Observation of Volcanic and Atmospheric Change (NOVAC). In this study, we present a compilation of results of homogenized post-analysis of measurements of <span classCombining double low line"inline-formula">SO2</span> flux and plume parameters obtained during the period March 2005 to January 2017 of 32 volcanoes in NOVAC. This inventory opens a window into the short-term emission patterns of a diverse set of volcanoes in terms of magma composition, geographical location, magnitude of emission, and style of eruptive activity. We find that passive volcanic degassing is by no means a stationary process in time and that large sub-daily variability is observed in the flux of volcanic gases, which has implications for emission budgets produced using short-term, sporadic observations. The use of a standard evaluation method allows for intercomparison between different volcanoes and between ground- and space-based measurements of the same volcanoes. The emission of several weakly degassing volcanoes, undetected by satellites, is presented for the first time. We also compare our results with those reported in the literature, providing ranges of variability in emission not accessible in the past. The open-access data repository introduced in this article will enable further exploitation of this unique dataset, with a focus on volcanological research, risk assessment, satellite-sensor validation, and improved quantification of the prevalent tropospheric component of global volcanic emission. Published version Initial implementation of the network was funded by the EU FP6 NOVAC project (https://cordis.europa.eu/ project/rcn/75513/factsheet/en, last access: 1 October 2020). Recent funding for this work was provided by the Alfred P. Sloan Foundation’s Deep Carbon Observatory programme (https://deepcarbon. net/, last access: 1 October 2020), Chalmers University of Technology, the Swedish National Space Agency (career grant no. 149/18), and the ECMWF CAMS_81 Global and Regional Emissions project. The authors are thankful for the valuable support from the USGS–USAID Volcano Disaster Assistance Program (https: //volcanoes.usgs.gov/vdap/, last access: 1 October 2020) provided to NOVAC since 2015. 2021-12-10T11:48:47Z 2021-12-10T11:48:47Z 2021 Journal Article Arellano, S., Galle, B., Apaza, F., Avard, G., Barrington, C., Bobrowski, N., Bucarey, C., Burbano, V., Burton, M., Chacón, Z., Chigna, G., Clarito, C. J., Conde, V., Costa, F., De Moor, M., Delgado-Granados, H., Di Muro, A., Fernandez, D., Garzón, G., ...Yalire, M. (2021). Synoptic analysis of a decade of daily measurements of SO2 emission in the troposphere from volcanoes of the global ground-based network for observation of volcanic and atmospheric change. Earth System Science Data, 13(3), 1167-1188. https://dx.doi.org/10.5194/essd-13-1167-2021 1866-3508 https://hdl.handle.net/10356/153600 10.5194/essd-13-1167-2021 2-s2.0-85103047279 3 13 1167 1188 en Earth System Science Data © 2021 Author(s). This work is distributed under the Creative Commons Attribution 4.0 License. application/pdf |
| spellingShingle | Science::Geology Rate of SO2 Emission Volcanic Activity and Changes Arellano, Santiago Galle, Bo Apaza, Fredy Avard, Geoffroy Barrington, Charlotte Bobrowski, Nicole Bucarey, Claudia Burbano, Viviana Burton, Mike Chacón, Zoraida Chigna, Gustavo Clarito, Christian Joseph Conde, Vladimir Costa, Fidel De Moor, Maarten Delgado-Granados, Hugo Di Muro, Andrea Fernandez, Deborah Garzón, Gustavo Gunawan, Hendra Haerani, Nia Hansteen, Thor. H. Hidalgo, Silvana Inguaggiato, Salvatore Johansson, Mattias Kern, Christoph Kihlman, Manne Kowalski, Philippe Masias, Pablo Montalvo, Francisco Möller, Joakim Platt, Ulrich Rivera, Claudia Saballos, Armando Salerno, Giuseppe Taisne, Benoit Vásconez, Freddy Velásquez, Gabriela Vita, Fabio Yalire, Mathieu Synoptic analysis of a decade of daily measurements of SO2 emission in the troposphere from volcanoes of the global ground-based network for observation of volcanic and atmospheric change |
| title | Synoptic analysis of a decade of daily measurements of SO2 emission in the troposphere from volcanoes of the global ground-based network for observation of volcanic and atmospheric change |
| title_full | Synoptic analysis of a decade of daily measurements of SO2 emission in the troposphere from volcanoes of the global ground-based network for observation of volcanic and atmospheric change |
| title_fullStr | Synoptic analysis of a decade of daily measurements of SO2 emission in the troposphere from volcanoes of the global ground-based network for observation of volcanic and atmospheric change |
| title_full_unstemmed | Synoptic analysis of a decade of daily measurements of SO2 emission in the troposphere from volcanoes of the global ground-based network for observation of volcanic and atmospheric change |
| title_short | Synoptic analysis of a decade of daily measurements of SO2 emission in the troposphere from volcanoes of the global ground-based network for observation of volcanic and atmospheric change |
| title_sort | synoptic analysis of a decade of daily measurements of so2 emission in the troposphere from volcanoes of the global ground based network for observation of volcanic and atmospheric change |
| topic | Science::Geology Rate of SO2 Emission Volcanic Activity and Changes |
| url | https://hdl.handle.net/10356/153600 |
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