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Plume composition and volatile flux of Nyamulagira volcano, Democratic Republic of Congo, during birth and evolution of the lava lake, 2014–2015

Abstract

Very little is known about the volatile element makeup of the gaseous emissions of Nyamulagira volcano. This paper tries to fill this gap by reporting the first gas composition measurements of Nyamulagira’s volcanic plume since the onset of its lava lake activity at the end of 2014. Two field surveys were carried out on 1 November 2014, and 13–15 October 2015. We applied a broad toolbox of volcanic gas composition measurement techniques in order to geochemically characterize Nyamulagira’s plume. Nyamulagira is a significant emitter of SO2, and our measurements confirm this, as we recorded SO2 emissions of up to ~ 14 kt/d during the studied period. In contrast to neighbouring Nyiragongo volcano, however, Nyamulagira exhibits relatively low CO2/SO2 molar ratios (< 4) and a high H2O content (> 92% of total gas emissions). Strong variations in the volatile composition, in particular for the CO2/SO2 ratio, were measured between 2014 and 2015, which appear to reflect the simultaneous variations in volcanic activity. We also determined the molar ratios for Cl/S, F/S and Br/S in the plume gas, finding values of 0.13 and 0.17, 0.06 and 0.11, and 2.3·10−4 and 1·10−4, in 2014 and 2015, respectively. A total gas emission flux of 48 kt/d was estimated for 2014. The I/S ratio in 2015 was found to be 3.6·10−6. In addition, we were able to distinguish between hydrogen halides and non-hydrogen halides in the volcanic plume. Considerable amounts of bromine (18–35% of total bromine) and iodine (8–18% of total iodine) were found in compounds other than hydrogen halides. However, only a negligible fraction of chlorine was found as compounds other than hydrogen chloride.

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References

  1. Aiuppa A, Federico C, Giudice G, Gurrieri S, Liuzzo M, Shinohara H, Favara R, Valenza M (2006) Rates of carbon dioxide plume degassing from Mount Etna volcano. J Geophys Res 111:B09207. https://doi.org/10.1029/2006JB004307

  2. Aoki K, Yoshida T, Yusa K, Nakamura Y (1985) Petrology and geochemistry of Nyamulagira volcano, Zaire. J Volcanol Geotherm Res 25(1-2):1–28. https://doi.org/10.1016/0377-0273(85)90002-2

  3. Arellano S, Yalire M, Galle B, Bobrowski N, Dingwell A, Johansson M, Norman P (2016) Long-term monitoring of SO2 quiescent degassing from Nyiragongo’s lava lake. J Afr Earth Sci 134:866–873. https://doi.org/10.1016/j.jafrearsci.2016.07.002

  4. Bobrowski, N (2005) Volcanic gas studies by MAX-DOAS. Doctoral dissertation, PhD thesis, University of Heidelberg, Heidelberg

  5. Bobrowski N, Von Glasow R, Aiuppa A, Inguaggiato S, Louban I, Ibrahim OW, Platt U (2007) Reactive halogen chemistry in volcanic plumes. J Geophys Res Atmos 112(D6)

  6. Bobrowski N, Glasow R, Giuffrida GB, Tedesco D, Aiuppa A, Yalire M, Arellano S, Johansson M, Galle B (2015) Gas emission strength and evolution of the molar ratio of BrO/SO2 in the plume of Nyiragongo in comparison to Etna. J Geophys Res: Atmos 120(1):277–291

  7. Bluth GJS, Carn SA (2008) Exceptional sulfur degassing from Nyamulagira volcano, 1979–2005. Int J Remote Sens 29(22):6667–6685. https://doi.org/10.1080/01431160802168434

  8. Buat M, Arnold (1978) The heavy metal chemistry of atmospheric particulate matter emitted by Mount Etna volcano. Geophys Res Lett 5:245–248

  9. Buck A (1981) New equations for computing vapor pressure and enhancement factor. J Appl Meteorol 20(12):1527–1537. https://doi.org/10.1175/1520-0450(1981)020<1527:NEFCVP>2.0.CO;2

  10. Burton MR, Sawyer GM, Granieri D (2013) Deep carbon emissions from volcanoes. Rev Mineral Geochem 75(1):323–354. https://doi.org/10.2138/rmg.2013.75.11

  11. Campion R (2014) New lava lake at Nyamulagira volcano revealed by combined ASTER and OMI SO2 measurements. Geophys Res Lett 41(21):7485–7492. https://doi.org/10.1002/2014GL061808

  12. Carn S, Clarisse L, Prata AJ (2016) Multi-decadal satellite measurements of global volcanic degassing. J Volcanol Geotherm Res 311:99–134. https://doi.org/10.1016/j.jvolgeores.2016.01.002

  13. Carn SA, Fioletov VE, McLinden CA, Li C, Krotkov NA (2017) A decade of global volcanic SO2 emissions measured from space. Sci Rep 7:44095. https://doi.org/10.1038/srep44095

  14. Carroll MR, Holloway J.R (1994) Volatiles in Magmas. vol. 30, Washington: Mineralogical Society of America

  15. Chakrabarti R, Basu AR, Santo AP, Tedesco D, Vaselli O (2009) Isotopic and geochemical evidence for a heterogeneous mantle plume origin of the Virunga volcanics, Western rift, East African Rift system. Chem Geol 259(3-4):273–289. https://doi.org/10.1016/j.chemgeo.2008.11.010

  16. Coppola D, Campion R, Laiolo M, Cuoco E, Balagizi C, Ripepe M, Cigolini C, Tedesco D (2016) Birth of a lava lake: Nyamulagira volcano 2011–2015. Bull Volcanol 78(3):1–13

  17. Galle B, Johansson M, Rivera C, Zhang Y, Kihlman M, Kern C, Lehmann T, Platt U, Arellano S, Hidalgo S (2010) Network for observation of volcanic and atmospheric change (NOVAC)—a global network for volcanic gas monitoring: network layout and instrument description. J Geophys Res: Atmos 115(D5). https://doi.org/10.1029/2009JD011823

  18. Gliß J, Bobrowski N, Vogel L, Pöhler D, Platt U (2015) OClO and BrO observations in the volcanic plume of Mt. Etna—implications on the chemistry of chlorine and bromine species in volcanic plumes. Atmos Chem Phys 15(10):5659–5681. https://doi.org/10.5194/acp-15-5659-2015

  19. Global Volcanism Program, (2013) Nyamulagira (223020) in volcanoes of the world, v. 4.5.1. Venzke, E (ed.). Smithsonian Institution. Downloaded 20 Oct 2016 (http://volcano.si.edu/volcano.cfm?vn=223020). Doi: https://doi.org/10.5479/si.GVP.VOTW4

  20. Global Volcanism Program, (2015) Report on Nyamuragira (DR Congo). In: Wunderman, R (ed.), Bulletin of the global volcanism network, 40:1. Smithsonian Institution

  21. Hamaguchi H (1983) Seismological evidence for magma intrusion during the 1981-1982 Nyamuragira eruption. In: Hamaguchi, H (ed.), volcanoes Nyiragongo and Nyamuragira: geophysical aspects, Tohoku University, Sendai, Japan, 29–33

  22. Head EM, Shaw AM, Wallace PJ, Sims KW, Carn SA (2011) Insight into volatile behavior at Nyamulagira volcano (DR Congo, Africa) through olivine-hosted melt inclusions. Geochem Geophys Geosyst 12:10. https://doi.org/10.1029/2011GC003699

  23. Hilton DR, Fischer TP, Marty B (2002) Noble gases and volatile recycling at subduction zones. Rev Mineral Geochem 47(1):319–370. https://doi.org/10.2138/rmg.2002.47.9

  24. Hinkley TK, Wilson SA, Finnegan DL, Gerlach TM (1999) Metal emissions from Kilauea, and a suggested revision of the estimated worldwide metal output by quiescent degassing of volcanoes. Earth Planet Sci Lett 170(3):315–325. https://doi.org/10.1016/S0012-821X(99)00103-X

  25. Huygen C (1962) The sampling of sulfur dioxide in air with impregnated filter paper. Anal Chim Acta 28:349–360. https://doi.org/10.1016/S0003-2670(00)87244-X

  26. Jones MT, Jerram DA, Svensen HH, Grove C (2016) The effects of large igneous provinces on the global carbon and sulphur cycles. Palaeogeogr Palaeoclimatol Palaeoecol 441:4–21. https://doi.org/10.1016/j.palaeo.2015.06.042

  27. Kutterolf S, Hansteen TH, Appel K, Freundt A, Krüger K, Pérez W, Wehrmann H (2013) Combined bromine and chlorine release from large explosive volcanic eruptions: a threat to stratospheric ozone? Geology 41(6):707–710. https://doi.org/10.1130/G34044.1

  28. Le Guern F (1987) Mechanism of energy transfer in the lava lake of Niragongo (Zaire), 1959-1977. J Volcanol Geotherm Res 31(1-2):17–31. https://doi.org/10.1016/0377-0273(87)90003-5

  29. Malinconico LL (1979) Fluctuations in SO2 emission during recent eruptions of Etna. Nature 278(5699):43–45. https://doi.org/10.1038/278043a0

  30. Mather TA, Pyle DM, Oppenheimer C (2003) Tropospheric volcanic aerosol. Geophys Monograph Series 139:189–212

  31. Mavonga T, Zana N, Durrheim R (2010) Studies of crustal structure, seismic precursors to volcanic eruptions and earthquake hazard in the eastern provinces of the Democratic Republic of Congo. J Afr Earth Sci 58(4):623–633

  32. Moussallam Y, Bani P, Curtis A, Barnie T, Moussallam M, Peters N et al (2016) Sustaining persistent lava lakes: observations from high-resolution gas measurements at Villarrica volcano, Chile. Earth Planet Sci Lett 454:237–247. https://doi.org/10.1016/j.epsl.2016.09.012

  33. Noguchi K, Kamiya H (1963) Prediction of volcanic eruption by measuring the chemical composition and amounts of gases. Bull Volcanol 26(1):367–378. https://doi.org/10.1007/BF02597298

  34. Platt U, Stutz J (2008) Differential optical absorption spectroscopy—principles and applications, physics of earth and space environments, first edition (Physics of Earth and Space Environments). Springer, Berlin, pp 597

  35. Platt U, Bobrowski N, (2015) Quantification of volcanic reactive halogen emissions. Volcanism and Global Change, eds A. Schmidt, K. Fristad, L. Elkins-Tanton, Cambridge University Press, Cambridge

  36. Platz T, Foley S, Andre L (2004) Low-pressure fractionation of the Nyiragongo volcanic rocks, Virunga Province, D.R. Congo. J Volcanol Geotherm Res 136(3-4):269–295. https://doi.org/10.1016/j.jvolgeores.2004.05.020

  37. Roberts TJ, Martin RS, Jourdain L (2014) Reactive bromine chemistry in Mount Etna's volcanic plume: the influence of total Br, high-temperature processing, aerosol loading and plume–air mixing. Atmos Chem Phys 14(20):11201–11219

  38. Robock A (2000) Volcanic eruptions and climate. Rev Geophys 38(2):191–219. https://doi.org/10.1029/1998RG000054

  39. Rüdiger J, Bobrowski N, Liotta M, Hoffmann T (2017) Development and application of a sampling method for the determination of reactive halogen species in volcanic gas emissions. Anal Bioanal Chem 409(25):5975–5985. https://doi.org/10.1007/s00216-017-0525-1

  40. Sahama TG (1973) Evolution of the Nyiragongo magma. J Petrol 14(1):33–48

  41. Sano Y, Takahata N, Nishio Y, Fischer TP, Williams SN (2001) Volcanic flux of nitrogen from the earth. Chem Geol 171(3):263–271. https://doi.org/10.1016/S0009-2541(00)00252-7

  42. Sawyer GM, Carn SA, Tsanev VI, Oppenheimer C, Burton M (2008a) Investigation into magma degassing at Nyiragongo volcano, Democratic Republic of the Congo. Geochem Geophys Geosyst 9(2). https://doi.org/10.1029/2007GC001829

  43. Sawyer GM, Oppenheimer C, Tsanev VI, Yirgu G (2008b) Magmatic degassing at Erta'Ale volcano, Ethiopia. J Volcanol Geotherm Res 178(4):837–846. https://doi.org/10.1016/j.jvolgeores.2008.09.017

  44. Shinohara H (2005) A new technique to estimate volcanic gas composition: plume measurements with a portable multi-sensor system. J Volcanol Geotherm Res 143(4):319–333. https://doi.org/10.1016/j.jvolgeores. 2004.12.004

  45. Shinohara H (2008) Excess degassing from volcanoes and its role on eruptive and intrusive activity. Rev Geophys 46:RG4005. https://doi.org/10.1029/2007RG000244

  46. Smets B, d’Oreye N, Kervyn F, Kervyn M, Albino F, Arellano SR, Bagalwa M, Balagizi C, Carn S, Darrah TH, Fernández J, Galle B, González PJ, Head E, Karume K, Kavotha D, Lukaya F, Mashagiro N, Mavonga G, Norman P, Osodundu E, Pallero J, Prieto JF, Samsonov S, Syauswa M, Tedesco D, Tiampo K, Wauthier C, Yalire MM (2014) Detailed multidisciplinary monitoring reveals pre-and co-eruptive signals at Nyamulagira volcano (North Kivu, Democratic Republic of Congo). Bull V olcanol 76(1):787

  47. Symonds RB, Rose WI, Bluth GJS, Gerlach TM (1994) Volcanic-gas studies; methods, results, and applications. Rev Mineral Geochem 30(1):1–66

  48. Tamburello G (2015) Ratiocalc: software for processing data from multicomponent volcanic gas analyzers. Comput Geosci 82:63–67. https://doi.org/10.1016/j.cageo.2015.05.004

  49. Textor C, Graf H-F, Timmreck C, Robock A (2004) Emissions from volcanoes. In: Granier C, Artaxo P, Reeves C (eds) Emissions of atmospheric trace compounds. Kluwer, Dordrecht, pp 269–303. https://doi.org/10.1007/978-1-4020-2167-1_7

  50. Toombs AC, Wadge G (2012) Co-eruptive and inter-eruptive surface deformation measured by satellite radar interferometry at Nyamuragira volcano, D.R. Congo, 1996 to 2010. J Volcanol Geotherm Res 245–246:98–122

  51. Varecamp J, Thomas E, Germania M, Busec P (1986) Particle geochemistry of volcanic plumes of Etna and Mount St. Helens. J of Geophys Res 91(B12):12,233–12,248

  52. Verhoogen J (1939) New data on volcanic gases; the 1938 eruption of Nyamlagira. Am J Sci 237(9):656–672. https://doi.org/10.2475/ajs.237.9.656

  53. von Glasow R, Bobrowski N, Kern C (2009) The effects of volcanic eruptions on atmospheric chemistry. Chem Geol 263(1):131–142. https://doi.org/10.1016/j.chemgeo.2008.08.020

  54. von Glasow R (2010) Atmospheric chemistry in volcanic plumes. Proc Natl Acad Sci 107(15):6594–6599. https://doi.org/10.1073/pnas.0913164107

  55. Wadge G, Burt L (2011) Stress field control of eruption dynamics at a rift volcano: Nyamulagira, DR Congo. J Volcanol Geothermal Res 207(1):1–15. https://doi.org/10.1016/j.jvolgeores.2011.06.012

  56. Wauthier C, Cayol V, Poland M, Kervyn F, d’ Oreye N, Hooper A, Samsonov S, Tiampo K, Smets B (2013) Nyamulagira’s plumbing system inferred from 15 years of InSAR. Geol Soc Lond Spec Publ 380(1):39–65. https://doi.org/10.1144/SP380.9

  57. Wittmer J, Bobrowski N, Liotta M, Giuffrida G, Calabrese S, Platt U (2014) Active alkaline traps to determine acidic-gas ratios in volcanic plumes: sampling technique and analytical methods. Geochem Geophys Geosyst 15(7):2797–2820. https://doi.org/10.1002/2013GC005133

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Acknowledgements

The authors thank the staff of the Goma Volcano Observatory and the UN mission of MONUSCO and the South African pilots (MONUSCO) for their support in terms of the helicopter and logistics, as well as financial support from UN. N.B. and J.M.C. thank for financial support from the VAMOS research center at the University of Mainz during the time of writing. Support for running the NOVAC stations came mostly from the Swedish International Development Cooperation Agency (SIDA). We also thank Patrick Allard and Andrew Harris as editors, to Alessandro Aiuppa, Fran Van Wyk de Vries and an anonymous referee for their useful comments, which improved the quality of our manuscript. We thank Mike Cassidy and Tjarda Roberts for improving the language of our manuscript.

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Correspondence to N. Bobrowski.

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Editorial responsibility: P. Allard

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Bobrowski, N., Giuffrida, G.B., Arellano, S. et al. Plume composition and volatile flux of Nyamulagira volcano, Democratic Republic of Congo, during birth and evolution of the lava lake, 2014–2015. Bull Volcanol 79, 90 (2017). https://doi.org/10.1007/s00445-017-1174-0

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Keywords

  • Nyamulagira
  • Plume composition
  • Total gas flux