First study of the heat and gas budget for Sirung volcano, Indonesia

Alessandro Aiuppa, Philipon Bani, Ugan B. Saing, Pretina Sitinjak, Hilma Alfianti, Vitchko Tsanev, Alessandro Aiuppa, Clive Oppenheimer

Risultato della ricerca: Article

4 Citazioni (Scopus)

Abstract

With at least four eruptions over the last 20 years, Sirung is currently one of the more active volcanoes in Indonesia. However, due to its remoteness, very little is known about the volcano and its hyperacid crater lake. We report here on the first measurements of gas and heat emissions from the volcano. Notable is the substantial heat loss from the crater lake surface, amounting to 220 MW. In addition, ~17 Gg of SO2, representing 0.8% of Indonesian volcanic SO2contribution into the atmosphere, ~11 Gg of H2S, ~17 Gg of CO2, and ~550 Gg of H2O are discharged into the atmosphere from the volcano annually. The volatiles degassed from Sirung magmas are subjected to hydrothermal fluid-rock interactions and sulfide depositions, initiated by the disproportionation of SO2. These processes lead to distinct gas compositions and changing lake water chemistry (in the sub-craters and the main crater lake). However, the occurrence of SO2-rich fluids and strong gas flux appear to highlight a rapid fluid transfer to surface, avoiding re-equilibration with lower temperature rocks/fluids in the conduits.
Lingua originaleEnglish
Numero di pagine16
RivistaBulletin of Volcanology
Volume79
Stato di pubblicazionePublished - 2017

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Volcanoes
crater lake
Lakes
volcano
Gases
Fluids
gas
fluid
Rocks
atmosphere
Sulfides
Heat losses
hydrothermal fluid
water chemistry
rock
lake water
crater
volcanic eruption
sulfide
Fluxes

All Science Journal Classification (ASJC) codes

  • Geochemistry and Petrology

Cita questo

Aiuppa, A., Bani, P., Saing, U. B., Sitinjak, P., Alfianti, H., Tsanev, V., ... Oppenheimer, C. (2017). First study of the heat and gas budget for Sirung volcano, Indonesia. Bulletin of Volcanology, 79.

First study of the heat and gas budget for Sirung volcano, Indonesia. / Aiuppa, Alessandro; Bani, Philipon; Saing, Ugan B.; Sitinjak, Pretina; Alfianti, Hilma; Tsanev, Vitchko; Aiuppa, Alessandro; Oppenheimer, Clive.

In: Bulletin of Volcanology, Vol. 79, 2017.

Risultato della ricerca: Article

Aiuppa, A, Bani, P, Saing, UB, Sitinjak, P, Alfianti, H, Tsanev, V, Aiuppa, A & Oppenheimer, C 2017, 'First study of the heat and gas budget for Sirung volcano, Indonesia', Bulletin of Volcanology, vol. 79.
Aiuppa A, Bani P, Saing UB, Sitinjak P, Alfianti H, Tsanev V e altri. First study of the heat and gas budget for Sirung volcano, Indonesia. Bulletin of Volcanology. 2017;79.
Aiuppa, Alessandro ; Bani, Philipon ; Saing, Ugan B. ; Sitinjak, Pretina ; Alfianti, Hilma ; Tsanev, Vitchko ; Aiuppa, Alessandro ; Oppenheimer, Clive. / First study of the heat and gas budget for Sirung volcano, Indonesia. In: Bulletin of Volcanology. 2017 ; Vol. 79.
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abstract = "With at least four eruptions over the last 20{\^A} years, Sirung is currently one of the more active volcanoes in Indonesia. However, due to its remoteness, very little is known about the volcano and its hyperacid crater lake. We report here on the first measurements of gas and heat emissions from the volcano. Notable is the substantial heat loss from the crater lake surface, amounting to 220{\^A} MW. In addition, ~17{\^A} Gg of SO2, representing 0.8{\%} of Indonesian volcanic SO2contribution into the atmosphere, ~11{\^A} Gg of H2S, ~17{\^A} Gg of CO2, and ~550{\^A} Gg of H2O are discharged into the atmosphere from the volcano annually. The volatiles degassed from Sirung magmas are subjected to hydrothermal fluid-rock interactions and sulfide depositions, initiated by the disproportionation of SO2. These processes lead to distinct gas compositions and changing lake water chemistry (in the sub-craters and the main crater lake). However, the occurrence of SO2-rich fluids and strong gas flux appear to highlight a rapid fluid transfer to surface, avoiding re-equilibration with lower temperature rocks/fluids in the conduits.",
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T1 - First study of the heat and gas budget for Sirung volcano, Indonesia

AU - Aiuppa, Alessandro

AU - Bani, Philipon

AU - Saing, Ugan B.

AU - Sitinjak, Pretina

AU - Alfianti, Hilma

AU - Tsanev, Vitchko

AU - Aiuppa, Alessandro

AU - Oppenheimer, Clive

PY - 2017

Y1 - 2017

N2 - With at least four eruptions over the last 20 years, Sirung is currently one of the more active volcanoes in Indonesia. However, due to its remoteness, very little is known about the volcano and its hyperacid crater lake. We report here on the first measurements of gas and heat emissions from the volcano. Notable is the substantial heat loss from the crater lake surface, amounting to 220 MW. In addition, ~17 Gg of SO2, representing 0.8% of Indonesian volcanic SO2contribution into the atmosphere, ~11 Gg of H2S, ~17 Gg of CO2, and ~550 Gg of H2O are discharged into the atmosphere from the volcano annually. The volatiles degassed from Sirung magmas are subjected to hydrothermal fluid-rock interactions and sulfide depositions, initiated by the disproportionation of SO2. These processes lead to distinct gas compositions and changing lake water chemistry (in the sub-craters and the main crater lake). However, the occurrence of SO2-rich fluids and strong gas flux appear to highlight a rapid fluid transfer to surface, avoiding re-equilibration with lower temperature rocks/fluids in the conduits.

AB - With at least four eruptions over the last 20 years, Sirung is currently one of the more active volcanoes in Indonesia. However, due to its remoteness, very little is known about the volcano and its hyperacid crater lake. We report here on the first measurements of gas and heat emissions from the volcano. Notable is the substantial heat loss from the crater lake surface, amounting to 220 MW. In addition, ~17 Gg of SO2, representing 0.8% of Indonesian volcanic SO2contribution into the atmosphere, ~11 Gg of H2S, ~17 Gg of CO2, and ~550 Gg of H2O are discharged into the atmosphere from the volcano annually. The volatiles degassed from Sirung magmas are subjected to hydrothermal fluid-rock interactions and sulfide depositions, initiated by the disproportionation of SO2. These processes lead to distinct gas compositions and changing lake water chemistry (in the sub-craters and the main crater lake). However, the occurrence of SO2-rich fluids and strong gas flux appear to highlight a rapid fluid transfer to surface, avoiding re-equilibration with lower temperature rocks/fluids in the conduits.

KW - Crater lake

KW - Degassing budget

KW - Geochemistry and Petrology

KW - Heat loss

KW - Sirung volcano

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UR - http://link.springer.de/link/service/journals/00445/index.htm

M3 - Article

VL - 79

JO - Bulletin of Volcanology

JF - Bulletin of Volcanology

SN - 0258-8900

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