PROJECT

DECADE

Overview

DECADE (Deep Earth Carbon Degassing) is an international effort to outfit some of the world’s most active volcanoes with permanent gas composition monitoring stations as well as launch campaigns to some of Earth’s most remote volcanoes. To date, the DECADE initiative has funded gas monitoring stations on nine of the world’s 90 top degassing volcanoes. These new stations add to existing monitoring networks operated by the United States Geological Service (USGS), the Istituto Nazionale di Geofisica e Vulcanologia (INGV)-University of Palermo (Italy), and the National University of Costa Rica through collaborations, and in some cases partial DECADE support, for a total of about 30 gas monitoring stations on 27 volcanoes world-wide.

The DECADE project deploys portable, durable, and inexpensive instrumentation at active volcanoes. An example of this instrumentation is multiGAS technology, pioneered by DECADE collaborator Alessandro Aiuppa and colleagues, which measures carbon dioxide, sulfur dioxide, hydrogen sulfide, and water vapor (steam), the major gases emitted by all volcanoes on the planet. In addition to collecting gas composition data the initiative also deploys continuous sulfur dioxide flux measuring stations (miniDOAS) developed by DECADE collaborator Bo Galle and colleagues. The data collected by these instruments feed into global databases maintained by the European Union (NOVAC, Network for Observation of Volcanic and Atmospheric Change) and the United States (EarthChem and USGS), as well as local data bases maintained at volcano observatories around the globe, providing years of continuous volcano degassing measurements.

DECADE scientists integrate data from their instruments with other sources to increase the accuracy, stringency, and breadth of their work. They incorporate ground-based measurements of emissions collected during field campaigns with global surveys of emissions measured from space (e.g., from the orbiting satellites OMI, GOME-2, OCO-2). During field campaigns, researchers collect gas and rock samples from remote and active volcanoes. They analyze gas samples for complete gas compositions, as well as key isotopes such as carbon and helium, in order to constrain the sources of carbon in volcanic emissions. DECADE scientists also analyze rock samples for trace elements, and melt inclusions for carbon and water content, to get insights into the volatile sources of volcanoes that are too remote to measure directly. Combining satellite measurements with data from permanent monitoring stations and measurements from field campaigns allows DECADE scientists to quantify 132 sources of volcanic emissions. Using directly measured plume gas compositions and extrapolations from rock compositions, 126 of these now have the carbon to sulfur ratios needed to compute carbon dioxide fluxes. In addition to these passively degassing volcanoes, DECADE scientists have compiled data for eruptive emissions and quantified carbon dioxide degassing for some of the 90 volcanoes erupting between 2005 – 2017.  

Some volcanic sources of gas emissions are too small to be detected by satellites, or too remote or diffuse for efficient ground-based monitoring. To include hundreds of such sites around the world, the DECADE team compiled available visual data and used extrapolation methods based on tectonic setting and the type of degassing observed (magmatic versus hydrothermal) to estimate the importance of these sources and their contributions to global volcanic CO2 flux. 

To help extend its reach to remote locations, DECADE is testing a new miniaturized multi-GAS instrument (mini-GAS) to fly on unmanned aerial vehicles (UAVs, commonly known as drones), allowing for direct gas measurements from within volcanic plumes. DECADE researchers also are developing and testing drone-mounted gas sampling devices to collect plume samples for carbon isotopes in order to obtain more data from inaccessible and erupting volcanoes. Ongoing ambitious drone projects include designing gas monitoring stations that can be dropped from drones into volcanic craters for continuous monitoring during highly active periods. 
 

DECADE on Massaya
Members of the DCO DECADE team after successfully installing a new gas monitoring station at Masaya volcano in Nicaragua. Credit: Marco Liuzzo, INGV Rome, Italy, Alessandro Aiuppa, University of Palermo, Italy, and Angélica Muñoz, The Nicaraguan Institute of Territorial Studies, Nicaragua.

 

Research Questions

The DECADE initiative seeks to use new and established technologies to determine accurate global fluxes of volcanic carbon dioxide to the atmosphere from the world’s most actively degassing volcanoes. The group uses related laboratory-based studies (direct gas sampling & analysis, melt inclusions) to provide new data for direct degassing of deep earth carbon to the atmosphere. The group also provides new insights into temporal variations in gas compositions and fluxes, which can be used to forecast volcanic eruptions.   

DECADE Map

DECADE Board of Directors

  • Dr. Tobias Fischer
    Tobias Fischer University of New Mexico, USA
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    Dr. Tobias Fischer
    Tobias Fischer
    University of New Mexico, USA

    Dr. Tobias Fischer is a professor of volcanology and director of the Fluids and Volatiles Laboratory at the University of New Mexico. He also chairs the Board of Directors of DCO’s Carbon Observatory Deep Carbon Degassing (DCO-DECADE) international initiative that brings together scientists from about 11 countries to better understand degassing of carbon from active volcanoes and volcanic regions. His research focuses on volcanology with emphasis on active volcanism. He currently conducts research at volcanoes in Central America, the Aleutians, the East African Rift, and Antarctica. Fischer also serves on DCO’s Engagement Advisory Committee.

  • Taryn Lopez
    Taryn Lopez University of Alaska, USA
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    Taryn Lopez
    Taryn Lopez
    University of Alaska, USA
  • Patrick Allard
    Patrick Allard France
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    Patrick Allard
    Patrick Allard
    France
  • Nicole Bobrowski
    Nicole Bobrowski University of Mainz, Germany
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    Nicole Bobrowski
    Nicole Bobrowski
    University of Mainz, Germany

  • Alessandro Aiuta, University of Palermo
    Alessandro Aiuppa University of Palermo, Italy
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    Alessandro Aiuta, University of Palermo
    Alessandro Aiuppa
    University of Palermo, Italy

    Dr. Alessandro Aiuppa is a full professor in the Department of Earth and Sea Sciences of the University of Palermo. He also serves as the coordinator of the PhD program in Earth and Sea Sciences. Aiuppa is a member of the Commission for Major Risks (Volcanic Risk Section) of the Civil Protection (Presidency of the Council of Ministers), and is Editor-in-Chief of the Journal of Volcanology and Geothermal Research. For his research in Volcanic Gas Geochemistry, Aiuppa was awarded a grant in the Call for Ideas ERC-Starting Grant (Project "BRIDGE"; 2012-2015). In 2008, he was awarded the International Association of Volcanology and Chemistry of the Earth Interior (IAVCEI) Wager Medal in 2008 as best under-40 volcanologist. Since 2004, Auippa also has served as a research collaborator at the National Institute of Geophysics and Volcanology, where he collaborates in the geochemical monitoring activities of Italian active volcanoes.

  • Bo Galle
    Bo Galle Chalmers University of Technology, Sweden
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    Bo Galle
    Bo Galle
    Chalmers University of Technology, Sweden
  • Marie Edmonds
    Marie Edmonds University of Cambridge, UK
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    Marie Edmonds
    Marie Edmonds
    University of Cambridge, UK

    Dr. Marie Edmonds, a reader in Earth Sciences at the University of Cambridge, is responsible for overall scientific and intellectual oversight of DCO's synthesis and integration activities. She is a mid-career researcher who has built a successful group focused on understanding volatile cycling in the solid Earth. She has a number of leadership roles within the Natural Environment Research Council (the United Kingdom’s primary funding agency) and the Geological Society of London. In addition to serving on DCO’s Executive Committee, Edmonds chairs DCO’s Synthesis Group 2019 and has served as co-chair of the Reservoirs and Fluxes community since November 2014.

  • Giovanni Chiodini
    Giovanni Chiodini INGV Bologna, Italy
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    Giovanni Chiodini
    Giovanni Chiodini
    INGV Bologna, Italy

Contact

Tobias Fischer fischer@unm.edu

Project Website

Taryn Lopez Aleutians
DECADE’s Taryn Lopez (University of Alaska Fairbanks, USA) working on Gareloi Volcano in the Western Aleutian Islands. Credit: Tobias Fischer, University of New Mexico, USA.

 

Updates

New Estimate of Global Carbon Degassing

Twenty-eight DCO members came together in late April to calculate a new estimate of global carbon dioxide degassing from volcanic sources. This DECADE synthesis workshop group attendees came prepared with a wealth of available volcanic emissions data they used to create a new global estimate. Read more…

A Simple, Affordable Way to Measure Diffuse Carbon Release at Volcanoes

DCO members Matteo Lelli and Brunella Raco (both at the Institute of Geosciences and Earth Resources–CNR, Italy), in collaboration with West Systems S.r.l., have developed a new carbon dioxide monitoring device that is smaller, lighter, and cheaper than existing designs. It continuously measures diffuse carbon dioxide released from soil, as well several relevant environmental factors. Read more…

The Shallow Carbon Cycle: Arc Volcanoes Recycle Carbon from Earth’s Crust

Earth is a habitable planet due to the balance of carbon cycling between subsurface and surface environments. Without this deep carbon cycle, we would have neither the climate we know today, nor a breathable atmosphere. Scientists have long thought that carbon emitted from volcanoes is an important part of this balanced equation, but the exact origins of volcanic carbon are difficult to find and quantify. Read more…

VIDEO: Drones Help Scientists Study Guatemalan Volcanoes

A new video from DCO’s Emma Liu (University of Cambridge, UK) and colleagues shows breathtaking aerial footage of the very active Volcán de Fuego in Guatemala. Watch it here.

New LIDAR Instrument Lets Volcanologists Monitor Eruptions from Afar

Recent studies suggest that before a volcano erupts, it ramps up its release of carbon dioxide from magma deep below the surface. These fluxes may provide an important early warning signal that an eruption is imminent. Researchers can measure volcanic gases using sampling instruments, but they must install these devices at the rim of the crater, placing both themselves and the instrument at risk. Read more…

Deep Carbon Degassing Measurements Help Explain Unrest at Campi Flegrei

Over the last ten years, ground uplift at Campi Flegrei, an enormous caldera in Italy, resulted in intense scientific scrutiny of this reawakening volcano. DECADE’s Giovanni Chiodini and colleagues began collecting gas samples from Solfatara, an active fumarolic field within the 12km-wide caldera, to analyze the deep processes potentially controlling new activity. In a paper, Chiodini et al lay out a model for magma degassing and decompression, which could explain the ongoing Campi Flegrei unrest. Read more…

Measuring Volcanic Eruptions from Space: Uniting Geophysical and Geochemical Data

In a new paper, DCO collaborators Brendan McCormick Kilbride, Marie Edmonds, and Juliet Biggs analyzed several sets of satellite data in order to reconcile, for the first time, geophysical and geochemical models of magma composition. Read more…

High-Frequency Gas Monitoring Reveals Carbon Dioxide Precursor to Eruptions at Turrialba Volcano

In a new article and an online Earthchem database, a DCO-DECADE team led by Maarten de Moor and Alessandro tracked changes in gas composition and flux from 2014 to present at Turrialba Volcano. Read more…

New App: Eruptions, Earthquakes, and Emissions

On average, 40 volcanoes on land erupt into the atmosphere each month, while scores of others on the seafloor erupt into the ocean. A new time-lapse animation uniting volcanoes, earthquakes, and gaseous emissions reveals unforgettably the large, rigid plates that make the outermost shell of Earth and suggests the immense heat and energy beneath them seeking to escape. View the app here

DCO DECADE Team Head to Papua New Guinea to Measure Volcanic Carbon Degassing

An international team of scientists is traveling to the islands of Papua New Guinea this September to study degassing from active volcanoes in remote jungles there. Some of these volcanoes are among the most active on Earth, ejecting a significant proportion of global volcanic gases into the atmosphere. Read more…

Publications

2018

Aiuppa, A., de Moor, J.M., Arellano, S., Coppola, D., Francofonte, V., Galle, B., Giudice, G., Liuzzo, M., Mendoza, E., Saballos, A., Tamburello, G., Battaglia, A., Bitetto, M., Gurrieri, S., Laiolo, M., Mastrolia, A., Moretti, R. (2018) Tracking Formation of a Lava Lake From Ground and Space: Masaya Volcano (Nicaragua), 2014–2017 Geochemistry, Geophysics, Geosystems DOI: 10.1002/2017GC007227

Bani, P., Tamburello, G., Rose-Koga, E.F., Liuzzo, M., Aiuppa, A., Cluzel, N., Amat, I., Syahbana, D.K., Gunawan, H., Bitetto, M. (2018) Dukono, the predominant source of volcanic degassing in Indonesia, sustained by a depleted Indian-MORB Bulletin of Volcanology DOI: 10.1007/s00445-017-1178-9

Battaglia, A., Bitetto, M., Aiuppa, A., Rizzo, A.L., Chigna, G., Watson, I.M., D'Aleo, R., Juárez Cacao, F.J., de Moor, M.J. (2018) The Magmatic Gas Signature of Pacaya Volcano, With Implications for the Volcanic CO2 Flux from Guatemala Geochemistry, Geophysics, Geosystems DOI: 10.1002/2017GC007238

Boucher, C., Lang, T., Marty, B., Fischer, T.P., Ayalew, D., Marby, J., de Moor, J.M., Zelinski, M., Zimmerman, L., Burnard (2018) Atmospheric helium isotope composition as a tracer of volcanic emissions: A case study of Erta Ale volcano, Ethiopia. Chemical Geology DOI: 10.1016/j.chemgeo.2017.05.011

Liu, E., K. Wood, E. Mason, M. Edmonds, A. Aiuppa, G. Giudice, M. Bitetto, V. Francofonte, T. Richardson, S. Burrow, T. Pering, T. C. Wilkes, A. J. S. McGonigle, G. Velasquez, (2018) Short timescale degassing dynamics in 1 a very young plume revealed by proximal Unmanned Aerial System (UAS) measurements at Volcan Villarrica, Chile. Geochemistry, Geophysics, Geosystems, in press

McCormick Kilbride, B., G. Wadge, M. Edmonds (2018) Multi-year satellite observations of sulfur dioxide gas emissions and lava extrusion at Bagana volcano, Papua New Guinea. In press

Pfeffer, M.A., Bergsson, B., Barsotti, S., Stefánsdóttir, G., Galle, B., Arellano, S., Conde, V., Donovan, A., Ilyinskaya, E., Burton, M., Aiuppa, A., Whitty, R.C.W., Simmons, I.C., Arason, Þ., Jónasdóttir, E.B., Keller, N.S., Yeo, R.F., Arngrímsson, H., Jóhannsson, Þ., Butwin, M.K., Askew, R.A., Dumont, S., Von Löwis, S., Ingvarsson, Þ., La Spina, A., Thomas, H., Prata, F., Grassa, F., Giudice, G., Stefánsson, A., Marzano, F., Montopoli, M., Mereu, L. (2018) Ground-Based measurements of the 2014-2015 Holuhraun volcanic cloud (Iceland) Geosciences (Switzerland) DOI: 10.3390/geosciences8010029

Taran, Y., Zelenski, M., Chaplygin, I.; Malik, N.; Campion, R.; Ingiaggiato, S.; Pokrovsky, B.; Kalacheva, E.; Melnikov.; Kazahaya, R.; Fischer, T.P. (2018)  Gas Emissions From Volcanoes of the Kuril Island Arc (NW Pacific): Geochemistry and Fluxes. G-cubed, DOI: 10.1029/2018GC007477
 

2017

Aiuppa, A., Fischer, T.P., Plank, T., Robidoux, P., Di Napoli, R. (2017a) Along-arc, inter-arc and arc-to-arc variations in volcanic gas CO2/S ratios reveal dual source of carbon in arc volcanism Earth-Science Reviews, 168, pp. 24-47. 

Aiuppa, A., Bitetto, M., Francofonte, V., Velasquez, G., Parra, C.B., Giudice, G., Liuzzo, M., Moretti, R., Moussallam, Y., Peters, N., Tamburello, G., Valderrama, O.A., Curtis, A. A (2017b) CO2-gas precursor to the March 2015 Villarrica volcano eruption Geochemistry, Geophysics, Geosystems DOI: 10.1002/2017GC006892 

Aiuppa A, Fiorani L, Santoro S, Parracino S, D’Aleo R, Liuzzo M, Maio G, Nuvoli M (2017c) New Advances in Dial-Lidar-Based Remote Sensing of the Volcanic CO2 Flux. Frontiers in Earth Science DOI: 10.3389/feart.2017.00015

Allard P., Aiuppa A., Moussallam Y., Tamburello G., De Napoli R., Liuzzo M., Bitetto M., Bani P., Beauducel F., Budi A., Sumarti S., Subandriyo J. (2017) Post-paroxysmal degassing regime of Merapi volcano, Indonesia: first characterisation and continuous survey. Bull. Volcanol., in submission.

Bani, P; Alfianti, H; Aiuppa, A; Oppenheimer, C; Sitinjak, P; Tsanev, V; Saing, UB (2017) First study of the heat and gas budget for Sirung volcano, Indonesia, Bull. Volcanol. DOI: 10.1007/s00445-017-1142-8

Carn, S.A., Fioletov, V.E., McLinden, C.A., Li, C. and Krotkov, N.A., (2017) A decade of global volcanic SO2 emissions measured from space. Scientific Reports DOI: 10.1038/srep44095

de Moor, J.M., Kern, C., Avard, G., Muller, C., Aiuppa, A., Saballos, A., Ibarra, M., LaFemina, P., Protti, M., Fischer, T.P. (2017) A New Sulfur and Carbon Degassing Inventory for the Southern Central American Volcanic Arc: The Importance of Accurate Time-Series Data Sets and Possible Tectonic Processes Responsible for Temporal Variations in Arc-Scale Volatile Emissions Geochemistry, Geophysics, Geosystems DOI: 10.1002/2017GC007141

Foley, S.F. and Fischer, T.P (2017) The essential role of continental rifts and lithosphere in the deep carbon cycle. Nature Geoscience, DOI: 10.1038/s41561-017-0002-7

Ilyinskaya, E; Schmidt, A; Mather, TA; Pope, FD; Witham, C; Baxter, P; Johannsson, T; Pfeffer, M; Barsotti, S; Singh, A; Sanderson, P; Bergsson, B; Kilbride, BM; Donovan, A; Peters, N; Oppenheimer, C; Edmonds, M (2017) Understanding the environmental impacts of large fissure eruptions: Aerosol and gas emissions from the 2014-2015 Holuhraun eruption (Iceland), Earth Planet. Sci. Lett. DOI: 10.1016/j.epsl.2017.05.025

Kis, BM; Ionescu, A; Cardellini, C; Harangi, S; Baciu, C; Caracausi, A; Viveiros, F 2017. Quantification of carbon dioxide emissions of Ciomadul, the youngest volcano of the Carpathian-Pannonian Region (Eastern-Central Europe, Romania), J. Volcanol. Geotherm. Res. DOI: 10.1016/j.jvolgeores.2017.05.025

Lee. H., Fischer, T.P., Muirhead, J.D., Ebinger, C.J., Kattenhorn, S.A., Sharp, Z.D., Kianji, G., Takahata. N., Sano, Y. (2017) Incipient rifting accompanied by the release of subcontinental lithospheric mantle volatiles in the Magadi and Natron basin, East Africa. J. Volcanol. Geotherm. Res. DOI: 10.1016/j.jvolgeores.2017.03.017

Lopez, T., Tassi, F., Aiuppa, A., Galle, B., Rizzo, A.L., Fiebig, J., Capecchiacci, F., Giudice, G., Caliro, S., Tamburello, G. (2017) Geochemical constraints on volatile sources and subsurface conditions at Mount Martin, Mount Mageik, and Trident Volcanoes, Katmai Volcanic Cluster, Alaska Journal of Volcanology and Geothermal Research DOI: 10.1016/j.jvolgeores.2017.09.001

McGonigle, AJS; Pering, TD; Wilkes, TC; Tamburello, G; D'Aleo, R; Bitetto, M; Aiuppa, A; Willmott, JR (2017) Ultraviolet Imaging of Volcanic Plumes: A New Paradigm in Volcanology, Geosciences DOI: 10.20944/preprints201707.0076.v1

Moussallam, Y., Tamburello, G., Peters, N., Apaza, F., Schipper, C.I., Curtis, A., Aiuppa, A., Masias, P., Boichu, M., Bauduin, S., Barnie, T., Bani, P., Giudice, G., Moussallam, M. (2017) Volcanic gas emissions and degassing dynamics at Ubinas and Sabancaya volcanoes; implications for the volatile budget of the central volcanic zone. Journal of Volcanology and Geothermal Research DOI: 10.1016/j.jvolgeores.2017.06.027

Moussallam, Y; Peters, N; Masias, P; Apaza, F; Barnie, T; Schipper, CI; Curtis, A; Tamburello, G; Aiuppa, A; Bani, P; Giudice, G; Pieri, D; Davies, AG; Oppenheimer, C (2017) Magmatic gas percolation through the old lava dome of El Misti volcano, Bull. Volcanol. DOI: 10.1007/s00445-017-1129-5

Robidoux, P., Aiuppa, A., Rotolo, S.G., Rizzo, A.L., Hauri, E.H., Frezzotti, M.L. Volatile contents of mafic-to-intermediate magmas at San Cristóbal volcano in Nicaragua (2017) Lithos DOI: 10.1016/j.lithos.2016.12.002

Schipper, CI; Moussallam, Y; Curtis, A; Peters, N; Barnie, T; Bani, P; Jost, HJ; Hamilton, D; Aiuppa, A; Tamburello, G; Giudice, G 2017. Isotopically (delta C-13 and delta O-18) heavy volcanic plumes from Central Andean volcanoes: a field study, Bull. Volcanol. DOI: 10.1007/s00445-017-1146-4

Santoro S, Parracino S, Fiorani L, D’Aleo R, Di Ferdinando E, Giudice G, Maio G, Nuvoli M, Aiuppa A (2017) Volcanic Plume CO2 Flux Measurements at Mount Etna by Mobile Differential Absorption Lidar. Geosciences DOI:10.3390/geosciences7010009
 

2016

Allard, P; Burton, M; Sawyer, G; Bani, P, (2016) Degassing dynamics of basaltic lava lake at a top-ranking volatile emitter: Ambrym volcano, Vanuatu arc. Earth Planet Sci Lett DOI: 10.1016/j.epsl.2016.05.014.

Allard P., Aiuppa A., Bani P., Métrich N., Bertagnini A., Gauthier P-J., Shinohara H., Sawyer G., et al. (2016) Prodigious emission rates and magma degassing budget of major, trace and radioactive volatile species from Ambrym basaltic volcano, Vanuatu island Arc. J. Volcanol. Geotherm. Res. DOI: 10.1016/j.jvolgeores.2015.10.004

Chiodini, G., Paonita, A., Aiuppa, A., Costa, A., Caliro, S., De Martino, P., Acocella, V., Vandemeulebrouck, J.(2016) Magmas near the critical degassing pressure drive volcanic unrest towards a critical state. Nature Communications DOI: 10.1038/ncomms13712

Conde, V; Bredemeyer, S; Saballos, JA; Galle, B; Hansteen, TH, (2016) Linking SO2 emission rates and seismicity by continuous wavelet transform: implications for volcanic surveillance at San Cristbal volcano, Nicaragua. Int J Earth Sci DOI: 10.1007/s00531-015-1264-1

de Moor, JM; Aiuppa, A; Pacheco, J; Avard, G; Kern, C; Liuzzo, M; Martinez, M; Giudice, G; Fischer, TP, (2016) Short-period volcanic gas precursors to phreatic eruptions: Insights from Pods Volcano, Costa Rica. Earth Planet Sci Lett DOI: 10.1016/j.epsl.2016.02.056

Dingwell, A; Rutgersson, A; Claremar, B; Arellano, S; Yalire, MM; Galle, B, (2016) Seasonal and diurnal patterns in the dispersion of SO2 from Mt. Nyiragongo. Atmos Environ DOI: 10.1016/j.atmosenv.2016.02.030

Edmonds, M; Kohn, SC; Hauri, EH; Humphreys, MCS; Cassidy, M, (2016) Extensive, water-rich magma reservoir beneath southern Montserrat. Lithos DOI: 10.1016/j.lithos.2016.02.026

Ferriss, E; Plank, T; Walker, D, (2016) Site-specific hydrogen diffusion rates during clinopyroxene dehydration. Contrib Mineral Petrol DOI: 10.1007/s00410-016-1262-8

Fischer, TP; Lopez, TM, (2016) First airborne samples of a volcanic plume for delta C-13 of CO2 determinations. Geophys Res Lett DOI: 10.1002/2016GL068499

Gresse, M; Vandemeulebrouck, J; Byrdina, S; Chiodini, G; Bruno, PP, (2016) Changes in CO2 diffuse degassing induced by the passing of seismic waves. J Volcanol Geotherm Res DOI: 10.1016/j.jvolgeores.2016.04.019

Grocke, SB; Cottrell, E; de Silva, S; Kelley, KA, (2016) The role of crustal and eruptive processes versus source variations in controlling the oxidation state of iron in Central Andean magmas. Earth Planet Sci Lett DOI: 10.1016/j.epsl.2016.01.026

Gudmundsson, MT; Jonsdottir, K; Hooper, A; Holohan, EP; Halldorsson, SA; Ofeigsson, BG; Cesca, S; Vogfjord, KS; Sigmundsson, F; Hognadottir, T; Einarsson, P; Sigmarsson, O; Jarosch, AH; Jonasson, K; Magnusson, E; Hreinsdottir, S; Bagnardi, M; Parks, MM; Hjorleifsdottir, V; Palsson, F; Walter, TR; Schopfer, MPJ; Heimann, S; Reynolds, HI; Dumont, S; Bali, E; Gudfinnsson, GH; Dahm, T; Roberts, MJ; Hensch, M; Belart, JMC; Spaans, K; Jakobsson, S; Gudmundsson, GB; Fridriksdottir, HM; Drouin, V; Durig, T; Adalgeirsdottir, G; Riishuus, MS; Pedersen, GBM; van Boeckel, T; Oddsson, B; Pfeffer, MA; Barsotti, S; Bergsson, B; Donovan, A; Burton, MR; Aiuppa, A, (2016) Gradual caldera collapse at Bardarbunga volcano, Iceland, regulated by lateral magma outflow. Science DOI: 10.1126/science.aaf8988

Halldorsson, SA; Hilton, DR; Barry, PH; Furi, E; Gronvold, K, (2016) Recycling of crustal material by the Iceland mantle plume: New evidence from nitrogen elemental and isotope systematics of subglacial basalts (vol 176, pg 206, 2016). Geochim Cosmochim Acta DOI: 10.1016/j.gca.2015.12.021

Hartley, ME; Morgan, DJ; Maclennan, J; Edmonds, M; Thordarson, T, (2016) Tracking timescales of short-term precursors to large basaltic fissure eruptions through Fe-Mg diffusion in olivine. Earth Planet Sci Lett DOI: 10.1016/j.epsl.2016.01.018

Kagoshima, T., Sano, Y., Takahata, N., Ishida, A., Tomonaga, Y., Roulleau, E., Pinti, D.L., Fischer, T.P., Lan, Nishio, Y., Tsunogai, U., Guo, Z. (2016) Spatial and temporal variations of helium and carbon isotopes at Ontake volcano, Japan. J. Volcanol. Geotherm. Res. 325, 179-188

Robertson, E., Biggs, J., Edmonds, M., Fischer, T.P., Vye-Brown, C., Kianji, G., Koros, W., Kandie, R. (2016) Diffuse degassing at Longonot volcano, Kenya: Implications for CO2 flux in continental rifts. J. Volcanol. Geotherm. Res. DOI: 10.1016/j.jvolgeores.2016.06.016

Hutchison, W., Biggs, J., Mather, T.A., Pyle, D.M., Lewi, E., Yirgu, G., Caliro, S., Chiodini, G., Clor, L., Fischer, T.P. (2016) Causes of unrest at silicic calderas in the East 1 African Rift: new constraints from InSAR and soil-gas chemistry at Aluto volcano, Ethiopia. Geochm. Geophys. Geosys. DOI: 10.1002/2016GC006395 

Ingebritsen, SE; Bergfeld, D; Clor, LE; Evans, WC, (2016) The Lassen hydrothermal system. Am Mineral DOI: 10.2138/am-2016-5456

Lyons, JJ; Haney, MM; Werner, C; Kelly, P; Patrick, M; Kern, C; Trusdell, F, (2016) Long period seismicity and very long period infrasound driven by shallow magmatic degassing at Mount Pagan, Mariana Islands. J Geophys Res-Sol Ea DOI: 10.1002/2015JB012490

Lee, H; Muirhead, J.D.; Fischer, T.P.; Ebinger, C.J.; Kattenhorn, S.A.; Sharp, Z.D.; Kianji, G. (2016) Massive and prolonged deep carbon emissions associated with continental rifting. Nature Geosci. DOI: 10.1038/ngeo2622

Muirhead, J.D., Kattenhorn, S.A., Lee, H., Mana, S., Turrin, B.D., Fischer, T.P., Kianji, G., Dindi, E., Stamps, D.S. (2016) Evolution of upper crustal faulting assisted by magmatic volatile release during early-stage continental rift development in the East African Rift. Geosphere DOI: 10.1130/GES01375.1

Paz, MPJ; Inguaggiato, S; Taran, Y; Vita, F; Pecoraino, G, (2016) Carbon dioxide emissions from Specchio di Venere, Pantelleria, Italy. Bull Volcanol DOI: 10.1007/s00445-016-1023-6

Tassi, F; Aguilera, F; Benavente, O; Paonita, A; Chiodini, G; Caliro, S; Agusto, M; Gutierrez, F; Capaccioni, B; Vaselli, O; Caselli, A; Saltori, O, (2016) Geochemistry of fluid discharges from Peteroa volcano (Argentina-Chile) in 2010-2015: Insights into compositional changes related to the fluid source region(s). Chem Geol 432:41-53, DOI: 10.1016/j.chemgeo.2016.04.007

2015 

Aiuppa A., P. Bani, Y. Moussallam, R. Di Napoli, P. Allard, H. Gunawan, M. Hendrasto, G. Tamburello (2015) First determination of magma-derived gas emissions from Bromo volcano, eastern Java (Indonesia). J. Volcan. Geotherm. Res. DOI: 10.1016/j.jvolgeores.2015.09.008

Bani P., A. Normier, C. Bacri, P. Allard P., H. Gunawan, M. Hendrasto, Surono, V. Tsanev (2015) First measurement of the volcanic gas output from Anak Krakatau, Indonesia. J. Volcan. Geotherm. Res. DOI: 10.1016/j.jvolgeores.2015.07.008

Chiodini, G., Cardellini, C., Lamberti, M.C., Agusto, M., Caselli, A., Liccioli, C., Tamburello, G., Tassi, F., Vaselli, O., Caliro, S. (2015) Carbon dioxide diffuse emission and thermal energy release from hydrothermal systems at Copahue-Caviahue Volcanic Complex (Argentina) Journal of Volcanology and Geothermal Research DOI: 10.1016/j.jvolgeores.2015.09.007

Chiodini, G., Pappalardo, L., Aiuppa, A., Caliro, S. (2015) The geological CO2 degassing history of a long-lived caldera Geology DOI: 10.1130/G36905.1

Di Muro A., Métrich M., Allard P., Aiuppa A., Burton M., Galle B., Staudacher T. (2015) Magma degassing at Piton de la Fournaise volcano. In: Active Volcanoes of the Southwest Indian Ocean, P. Bachèlery et al. (eds), Springer-Verlag, Berlin Heidelberg, 203-218.

La Spina A., Burton M., Allard P., Alparone S., Murè F. (2015) Open-path FTIR spectroscopy of magma degassing processes during eight lava fountains on Mount Etna. Earth Plan. Sci. Lett. DOI: 10.1016/j.epsl.2014.12.038

Fischer, T.P. and Chiodini, G. (2015) Volcanic, Magmatic and Hydrothermal Gas Discharges. Encyclopedia of Volcanoes, 2nd Edition DOI: 10.1016/B978-0-12-385938-9.00045-6

Fischer T.P., Ramirez C., Mora-Amador R, Hilton D.R., Barnes J. D., Sharp Z.D., Le Brun M., de Moor J.M., Barry P.H., Füri E., Shaw A.M. (2015). Temporal variations in fumarole gas chemistry at Poás volcano, Costa Rica. J. Volcanol. Geotherm. Res. DOI: 10.1016/j.jvolgeores.2015.02.002

Kagoshima, T., Sano, Y., Takahata, N., Maruoka, T., Fischer, T.P., Hattori, K. (2015). Sulfur geodynamic cycle. Scientific Reports DOI: 10.1038/srep08330

La Spina A., Burton M., Allard P., Alparone S., Murè F. (2015) Open-path FTIR spectroscopy of magma degassing processes during eight lava fountains on Mount Etna. Earth Plan. Sci. Lett. DOI: 10.1016/j.epsl.2014.12.038

van Hinsberg, V., Vigouroux, N., Palmer, S., Berlo, K., Mauri, G., Williams-Jones, A.E., McKenzie, J., Williams-Jones, G., Fischer, T.P. (2015) Element flux to the environment of the passively degassing crater lake-hosting Kawah Ijen volcano, Indonesia, and implications for estimates of the global volcanic flux. In: Ohba, T., Capaccioni, B. & Caudron, C. (eds) Geochemistry and Geophysics of Active Volcanic Lakes. Geological Society, London, Special Publications DOI: 10.1144/SP437.2

Viveiros, F; Ferreira, T; Silva, C; Vieira, JC; Gaspar, JL; Virgili, G; Amaral, P, (2015) Permanent monitoring of soil CO2 degassing at Furnas and Fogo volcanoes (Sao Miguel Island, Azores). Geol Soc Mem DOI: 10.1144/M44.20

Viveiros, F; Gaspar, JL; Ferreira, T; Silva, C; Marcos, M; Hipolito, A, (2015) Mapping of soil CO2 diffuse degassing at Sao Miguel Island and its public health implications. Geol Soc Mem :185-195, DOI:10.1144/M44.14
 

2014

Allard, P., Aiuppa, A., Beauducel, F., Gaudin, D., Di Napoli, R., Calabrese, S., … & Tamburello, G. (2014). Steam and gas emission rate from La Soufriere volcano, Guadeloupe (Lesser Antilles): implications for the magmatic supply during degassing unrest. Chemical Geology DOI: 10.1016/j.chemgeo.2014.06.019

Lopez, T., Thomas, H., Prata, A., Amigo, A., Fee, D., & Moriano, D. (2014) Volcanic plume characteristics determined using an infrared imaging camera.  Journal of Volcanology and Geothermal Research (Special Issue on Volcanic Plume Imaging). DOI: 10.1016/j.jvolgeores.2014.12.009  

Oppenheimer, C., Fischer, T.P., & Scaillet, B. (2014) Volcanic degassing: Process and impact. In Treatise on Geochemistry (Second Edition), Vol. 4, 111-179.

2013

Barry, P.H., Hilton, D.R., Fischer, T.P., de Moor, J.M., Mangasini, F., & Ramirez, C. (2013) Helium and carbon isotope systematics of cold “mazuku” CO2 vents and hydrothermal gases and fluids from Rungwe Volcanic Province, southern Tanzania. Chemical Geology DOI: 10.1016/j.chemgeo.2012.07.003

Cottrell, E., & Kelley, K.A. (2013) Redox heterogeneity in mid-ocean ridge basalts as a function of mantle source. Science DOI: 10.1126/science.1233299

de Moor, J.M., Fischer, T.P., King, P.L., Bocharnikov, R.E., Hervig, R.L., Hilton, D.R., Barry, P.H., Mangasini, F., & Ramirez, C. (2013)  Volatile-rich silicate melts from Oldoinyo Lengai volcano (Tanzania): Implications for carbonatite genesis and eruptive behavior. Earth and Planetary Science Letters DOI: 10.1016/j.epsl.2012.11.006

Di Napoli R., Aiuppa A., & Allard P. (2013) First Multi-GAS based characterization of the Boiling Lake volcanic gas (Dominica, Lesser Antilles). Annals of Geophysics DOI: 10.4401/ag-6277

Lopez, T., Carn, S., Werner, C., Fee, D., Kelly, P., Doukas, M., Pfeffer, M., Webley, P., Cahill, C., & Schneider, D. (2013) Evaluation of Redoubt Volcano’s sulfur dioxide emissions by the Ozone Monitoring Instrument. Journal of Volcanology and Geothermal Research DOI: 10.1016/j.volgeores.2012.03.002.

Lopez, T., Ushakov, S., Izbekov, P., Tassi, F., Cahill, C., Neill, O., & Werner, C. (2013) Constraints on magma processes, subsurface conditions, and total volatile flux at Bezymianny Volcano in 2007–2010 from direct and remote volcanic gas measurements. Journal of Volcanology and Geothermal Research (Special Issue on Magma System Response to Volcano Sector Collapse)DOI: 10.1016/j.volgeores.2012.10.015

Lopez, T., Fee, D., Prata, F., & Dehn, J., (2013) Characterization and interpretation of volcanic activity at Karymsky Volcano, Kamchatka, Russia, using observations of infrasound, volcanic emissions, and thermal imagery. Geochemistry, Geophysics, Geosystems DOI: 10.1002/2013GC004817

Mori, T., Shinohara, H., Kazahaya, K., Hirabayashi, J., Matsushima, T., Mori, T., Ohwada, M., Odai, M., Ino, H., Miyashita, M. (2013) Time-averages SO2 fluxes of subduction-zone volcanoes: Example of a 32-year exhaustive survey for Japanese volcanoes.  Journal of Geophysical Research: Atmospheres DOI: 10.1002/jgrd.50591 

de Moor JM, Fischer TP, Sharp, ZD, King, PL, Wilke, M, Botcharnikov, RE, Cottrell, E, Zelenski, M, Marty, B, Klimm, K, Rivard, C, Ayalew, D, Ramirez C, and Kelley, KA. Erta (2013) Sulfur degassing at Erta Ale (Ethiopia) and Masaya (Nicaragua) volcanoes: Implications for the degassing processes and oxygen fugacities of basaltic systems, Geochem. Geophys. Geosyst. DOI: 10.1002/ggge.20255

Zelenski, ME, Fischer, TP, de Moor, JM, Marty, B, Zimmermann, L, Ayalew, D, Nekrasov, AN, Karandashev, VK (2013) Trace elements in the gas emissions from the Erta Ale volcano, Afar, Ethiopia Chem. Geol. DOI: 10.1016/j.chemgeo.2013.08.022

Shinohara, H., (2013). Volatile flux from subduction zone volcanoes: Insights form a detailed evaluation of the fluxes from volcanoes in Japan. Journal of Volcanology and Geothermal Research, 268, 46-63.

Tamburello, G., Aiuppa, A., McGonigle, A.J.S., Allard, P., Cannata, A., Giudice, G., …& Pering, T.D. (2013). Periodic volcanic degassing behavior: the Mount Etna example. Geophysical Research Letters DOI: 10.1002/grl.50924.

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