Metzner, Doreen ; Krüger, Kirstin ; Timmreck, C. ; Kutterolf, Steffen ; Freundt, Armin:
A new radiative forcing data set comprising the major volcanic eruptions from the Central American Volcanic Arc for paleo studies .
Vortrag: EGU General Assembly,
Vienna, Austria, 19.-24.04.2009
Stichwörter:  [FB1/ME]; [FB4/MUHS]; poster

Metzner, Doreen ; Krüger, Kirstin ; Timmreck, C. ; Kutterolf, Steffen ; Freundt, Armin:
A new radiative forcing data set comprising the major volcanic eruptions from the Central American Volcanic Arc for paleo studies .
Vortrag: Exzellenzcluster Workshop,
Bremen, 26-27.03.2009
Stichwörter:  [FB1/ME]; [FB4/MUHS]; Poster

Metzner, Doreen ; Krüger, Kirstin ; Timmreck, C. ; Kutterolf, Steffen ; Freundt, Armin:
A new radiative forcing data set comprising the major volcanic eruptions from the Central American Volcanic Arc for paleo studies .
Vortrag: EGU General Assembly,
Vienna, Austria, 21.04.2009
Stichwörter:  [FB1/ME]; [FB4/MUHS]; Poster

Metzner, Doreen ; Krüger, Kirstin ; Timmreck, Claudia ; Kutterolf, Steffen ; Freundt, Armin:
A new radiative forcing data set comprising the major volcanic eruptions from the Central American Volcanic Arc for paleo studies .
Vortrag: SBF 574 Retreat,
Sankelmark, 01.-02.10.2009
Stichwörter:  [FB1/ME]; [FB4/MUHS]; [SFB574]; Poster

Kutterolf, Steffen ; Freundt, Armin ; Kwasnitschka, Tom ; Jegen-Kulcsar, Marion ; Graf, H.-F. ; Perez, Wendy ; Schmincke, Hans-Ulrich:
Cyclic volcanism at convergent margins: controlled by global climate changes?
Vortrag: EGU General Assembly,
Vienna, Austria, 19.04.-23.04.2009
Stichwörter:  [FB4]; [FB4/MUHS]

Gilbert, David ; Freundt, Armin ; Kutterolf, Steffen:
Magmatic evolution of the two caldera-forming Tephras of the Apoyo-Caldera/Nicaragua .
Vortrag: Lateinamerika-Kolloquium,
Göttingen, 07.04.-09.04.2009
Stichwörter:  [SFB574]; [FB4/MUHS]; Poster

Hansteen, Thor ; Kutterolf, Steffen ; Freundt, Armin ; Frische, Matthias ; Wehrmann, Heidi ; Schmincke, Hans-Ulrich ; Horn, S.:
Stratospheric input of heavy halogens (Br, I) from large explosive eruptions: Information from melt inclusions .
Vortrag: Goldschmidt Conference,
Davos, 21.-26.06..2009
Stichwörter:  [SFB574]

Wehrmann, Heidi ; Kutterolf, Steffen ; Hoernle, Kaj ; Freundt, Armin ; Portnyagin, Maxim ; Heydolph, Ken:
Continental subduction settings: reduced volatile transport of Cl and S to the surface?
Vortrag: AGU Fall Meeting,
San Francisco, California, USA, 14.12.-19.12.2008
Stichwörter:  [FB4/MUHS]; [SFB574]

Hansteen, Thor ; Kutterolf, Steffen ; Freundt, Armin ; Frische, Matthias ; Wehrmann, Heidi ; Schmincke, Hans-Ulrich ; Kluegel, A.:
Heavy Halogen (Br, I) Injections into the Stratosphere from Large Explosive Volcanic Eruptions: Information from Melt Inclusions .
Vortrag: AGU international meeting,
San Francisco, USA, 15.-19.12.2008
Stichwörter:  [SFB574]; Poster

Kutterolf, Steffen ; Freundt, Armin ; Perez, Wendy ; Wehrmann, Heidi ; Schmincke, Hans-Ulrich:
Mafic Plinian eruptions: A common phenomenon at the Central American volcanic arc .
Vortrag: IAVCEI international meeting,
Reykjavik, Iceland, 18.-22.08.2008
Stichwörter:  [SFB574]

Hansteen, Thor ; Freundt, Armin ; Kutterolf, Steffen ; Galle, B.:
Magma flux rates through the Central American Volcanic Arc .
Vortrag: IAVCEI Generally Assembly,
Reykjavik, Iceland, 17.-22.08.2008
Stichwörter:  [SFB574]

Krüger, Kirstin ; Hansteen, Thor ; Timmreck, Claudia ; Kutterolf, Steffen ; Freundt, Armin:
SFB 574: Modelling climate effects and feedbacks of past Central and South American major volcanic eruptions .
Vortrag: IAVCEI 2008,
Reykjavik, Iceland, 18.08.2008
Stichwörter:  [FB1/ME]; [FB4/MUHS]; poster

Krüger, Kirstin ; Hansteen, Thor ; Timmreck, Claudia ; Kutterolf, Steffen ; Freundt, Armin:
SFB 574: Modelling climate effects and feedbacks of past Central and South American major volcanic eruptions .
Vortrag: SPARC Tagung,
Bologna, Italy, 04.09.2008
Stichwörter:  [FB1/ME]; [FB4/MUHS]; poster

Kutterolf, Steffen ; Freundt, Armin ; Harders, Rieka ; Liebetrau, Volker ; Mörz, T. ; Perez, Wendy:
Tephrostratigraphy as a tool to date Quaternary geological processes at the Central American submarine forearc .
Vortrag: IAVCEI Generally Assembly,
Reykjavik, Iceland, 17.-22.08.2008
Stichwörter:  [SFB574]; Poster

Perez, Wendy ; Freundt, Armin ; Kutterolf, Steffen:
The origin of the Masaya Caldera, Nicaragua .
Vortrag: IAVCEI Generally Assembly,
Reykjavik, Iceland, 17.-22.08.2008
Stichwörter:  [SFB574]

Perez, Wendy ; Freundt, Armin ; Kutterolf, Steffen ; Pullinger, C.:
The youngest eruptions from the Coatepeque Caldera (El Salvador): the Congo and Conacaste tephras .
Vortrag: 
Reykjavik, Iceland, 17.-22.08.2008
Stichwörter:  [SFB574]

Schmincke, Hans-Ulrich ; Rausch, J. ; Kutterolf, Steffen ; Freundt, Armin:
Acahualinca revisited .
Vortrag: Latin America Colloquium 2007,
Kiel, 11.-13.04.2007
Stichwörter:  [FB4/MUHS]; [SFB574]; Vortrag

Hoernle, Kaj ; Portnyagin, M. ; Wehrmann, Heidi ; Heydolph, Ken ; Kutterolf, Steffen ; Freundt, Armin ; Abt, D. ; Fischer, K. ; Grevemeyer, Ingo ; Ivandic, Monika ; Rabbel, W. ; Thorwart, M. ; Dinc-Akdogan, N.:
An overview of Volatile and Isotopic variations along the Central American Volcanic Front .
Vortrag: AGU Fall Meeting 2007,
San Francisco, USA, 10.-14.12.2007
Stichwörter:  [FB4/MUHS]; [FB4/GDY]; [SFB574]; Vortrag; Invited talk

Freundt, Armin ; Kutterolf, Steffen ; Hansteen, Thor:
Are magma production rates along the Central American Volcanic Arc controlled by slab hydration?
Vortrag: Latin America Colloquium 2007,
Kiel, 11.-13.04.2007
Stichwörter:  [FB4/MUHS]; [SFB574]; Vortrag

Freundt, Armin ; Kutterolf, Steffen ; Perez, Wendy ; Wehrmann, Heidi ; Schmincke, Hans-Ulrich:
CAVA magma production rates and volcanic hazards: Some aspects based on widespread tephras .
Vortrag: US-MARGINS/SFB574 Workshop,
San Jose, Costa Rica, 18.-22.06.2007
Stichwörter:  [FB4/MUHS]; [SFB574]; Vortrag

Perez, Wendy ; Kutterolf, Steffen ; Freundt, Armin ; Wehrmann, Heidi ; Schmincke, Hans-Ulrich:
CAVA magma production rates and volcanic hazards: Some aspects based on widespread tephras .
Vortrag: Workshop to Integrate Subduction Factory and Seismogenic Zone Studies in Central America,
Heredia, Costa Rica, 18.- 22.06.2007
Stichwörter:  [SFB574]

Kutterolf, Steffen ; Freundt, Armin ; Perez, Wendy:
Cyclic plinian volcanism at the Central American Volcanic Arc and along the Ring of Fire: response to climate changes?
Vortrag: 97th Annual Meeting of the Geologische Vereinigung (GV) - The Oceans in the Earth System, International Conference 2007,
Bremen, 03.-05.10.2007
Stichwörter:  [FB4/MUHS]; [SFB574]; Poster

Kutterolf, Steffen ; Freundt, Armin ; Perez, Wendy ; Schmincke, Hans-Ulrich:
Cyclicity and compositions of Plinian volcanism along the Central American Volcanic Arc (CAVA) – the long-term marine tephra record .
Vortrag: Latin America Colloquium 2007,
Kiel, 11.-13.04.2007
Stichwörter:  [FB4/MUHS]; [SFB574]; Vortrag

Hansteen, Thor ; Freundt, Armin ; Kutterolf, Steffen:
Estimating magma flux rates into the Central American Volcanic Arc (CAVA) using regional SO2 fluxes from quiescently degassing volcanoes .
Vortrag: US-MARGINS/SFB574 Workshop,
San Jose, Costa Rica, 18.-22.06.2007
Stichwörter:  [FB4/MUHS]; [SFB574]; Vortrag

Freundt, Armin ; Kutterolf, Steffen ; Hansteen, Thor:
Estimating magma flux rates into the Central American Volcanic Arc (CAVA) using regional SO2 fluxes from quiescently degassing volcanoes .
Vortrag: Workshop to Integrate Subduction Factory and Seismogenic Zone Studies in Central America,
Heredia, Costa Rica, 18.- 22.06.2007
Stichwörter:  [SFB574]

Wehrmann, Heidi ; Freundt, Armin ; Kutterolf, Steffen:
Exsolution of magmatic volatiles governing unususal eruptions: constraints on fragmentation and eruptive style of the mafic plinian Fontana eruption, Nicaragua .
Vortrag: SubFac-SEIZE Workshop,
Heredia, Costa Rica, 18.-22.06.2007
Stichwörter:  [FB4/MUHS]; [FB4/GDY]; [SFB574]; Poster

Schmincke, Hans-Ulrich ; Kutterolf, Steffen ; Freundt, Armin ; Perez, Wendy ; Rausch, J. ; Strauch, W.:
Four major Late Holocene explosive eruptions that affected the larger Managua area (Nicaragua) .
Vortrag: Cities on Volcanoes 5,
Shimabara, Japan, 20.11.2007
Stichwörter:  [FB4/MUHS]; Vortrag

Hartmann, A. ; Freundt, Armin ; Kutterolf, Steffen ; Strauch, W.:
Geological evolution of the Tiscapa Maar in Managua, Nicaragua .
Vortrag: Latin America Colloquium 2007,
Kiel, 11.-13.04.2007
Stichwörter:  [FB4/MUHS]; [SFB574]; Vortrag

Burkert, C. ; Freundt, Armin ; Kutterolf, Steffen ; Strauch, W.:
Geological evolution of the Xiloà Maar in Nicaragua .
Vortrag: Latin America Colloquium 2007,
Kiel, 11.-13.04.2007
Stichwörter:  [FB4/MUHS]; [SFB574]; Poster

Freundt, Armin ; Kutterolf, Steffen ; Perez, Wendy ; Wehrmann, Heidi ; Schmincke, Hans-Ulrich:
Magma production rates along the Central American Volcanic Arc .
Vortrag: 97th Annual Meeting of the Geologische Vereinigung (GV) - The Oceans in the Earth System, International Conference 2007,
Bremen, 03.-05.10.2007
Stichwörter:  [FB4/MUHS]; [SFB574]; Vortrag

Wehrmann, Heidi ; Freundt, Armin ; Kutterolf, Steffen:
Magmatic volatile degassing governing unususal eruptions: constraints on fragmentation and eruptive style of the mafic plinian Fontana eruption, Nicaragua .
Vortrag: 97th Annual Meeting of the Geologische Vereinigung (GV) - The Oceans in the Earth System, International Conference 2007,
Bremen, 01.-05.10.2007
Stichwörter:  [FB4/MUHS]; [FB4/GDY]; [SFB574]; Poster

Kutterolf, Steffen ; Freundt, Armin ; Perez, Wendy ; Schmincke, Hans-Ulrich:
Plinian volcanism along the ring of fire - Cyclicity and compositions from the long-term marine tephra record at the Central American Volcanic Arc (CAVA) .
Vortrag: US-MARGINS/SFB574 Workshop,
San Jose, Costa Rica, 18.-22.06.2007
Stichwörter:  [FB4/MUHS]; [SFB574]; Vortrag

Kutterolf, Steffen ; Freundt, Armin ; Perez, Wendy ; Schmincke, Hans-Ulrich:
Plinian volcanism along the ring of fire – Cyclicity and compositions from the long-term marine tephra record at the Central American Volcanic Arc (CAVA) .
Vortrag: Workshop to Integrate Subduction Factory and Seismogenic Zone Studies in Central America,
Heredia, Costa Rica, 18.- 22.06.2007
Stichwörter:  [SFB574]

Perez, Wendy ; Freundt, Armin ; Kutterolf, Steffen:
Reconstruction of the 2,000 year old basaltic Plinian event from Masaya Caldera Complex (Nicaragua): the Masaya Triple Layer and La Concepción Tephra .
Vortrag: Latin America Colloquium 2007,
Kiel, 11.-13.04.2007
Stichwörter:  [FB4/MUHS]; [SFB574]; Vortrag

Perez, Wendy ; Freundt, Armin ; Kutterolf, Steffen:
Stratigraphic geochemical variations of the youngest explosive Masaya caldera complex tephras .
Vortrag: US-MARGINS/SFB574 Workshop,
San Jose, Costa Rica, 18.-22.06.2007
Stichwörter:  [FB4/MUHS]; [SFB574]; Vortrag

Perez, Wendy ; Kutterolf, Steffen ; Freundt, Armin:
Stratigraphic geochemical variations of the youngest explosive Masaya caldera complex tephras .
Vortrag: Workshop to Integrate Subduction Factory and Seismogenic Zone Studies in Central America,
Heredia, Costa Rica, 18.- 22.06.2007
Stichwörter:  [SFB574]

Lube, Gert ; Cronin, S. J. ; Platz, T. ; Freundt, Armin ; Procter, J. ; Henderson, C. ; Sheridan, M. F.:
Flow and deposition of pyroclastic granular flows of the 1975 Ngauruhoe eruption, New Zealand .
Vortrag: EGU General Assembly 2006,
Vienna, Austria, 06.04.2006
Stichwörter:  [FB4/MUHS]

Lube, Gert ; Cronin, S. J. ; Platz, T. ; Freundt, Armin ; Procter, J. ; Henderson, C. ; Sheridan, M. F.:
Flow and deposition of pyroclastic granular flows of the 1975 Ngauruhoe eruption, New Zealand .
Vortrag: 17th International Sedimentological Congress,
Fukuoka, Japan, 28.08.2006
Stichwörter:  [FB4/MUHS]

Perez, Wendy ; Freundt, Armin ; Kutterolf, Steffen:
Highly explosive eruptions from Masaya Caldera Complex, central Nicaragua, during the past 6,000 years: Stratigraphy, geochemistry and hazard aspects .
Vortrag: EGU General Assembly,
Vienna, Austria, 02.-07.04.2006
Stichwörter:  [FB4/MUHS]; [SFB574]; Poster

Lube, Gert ; Huppert, H. E. ; Sparks, R. S. J. ; Freundt, Armin:
Static and flowing regions in granular collapses down channels .
Vortrag: Gordon Research Conference 2007 "Granular and Granular-fluid Flow",
Oxford, UK, 25.07.2006
Stichwörter:  [FB4/MUHS]

Hansteen, Thor ; Hoernle, Kaj ; Kutterolf, Steffen ; Freundt, Armin ; van den Bogaard, Paul:
Volcanic ashes from large volcanic eruptions in Central and South America and the Caribbean igneous basement .
Vortrag: IODP-Workshop "Tectonics, Circulation, and Climate in the Caribbean Gateway",
Austin, Texas, USA, 31.04.2006
Stichwörter:  [FB4/MUHS]

Wehrmann, Heidi ; Freundt, Armin:
Bromine and iodine concentrations in volcanic glasses determined by Synchrotron-XRF: origin and partitioning of heavy halogens during basaltic-andesitic and rhyolitic arc magma formation at the Central American subduction zone .
Vortrag: ECROFI XVIII (European Current Research on Fluid Inclusions) International Meeting,
Siena, Italy, 06.-09.07.2005
Stichwörter:  [FB4/MUHS]; [SFB574]; Vortrag

Kutterolf, Steffen ; Schacht, U. ; Freundt, Armin ; Wehrmann, Heidi ; Mörz, T. ; Schmidt, M. ; Schmincke, Hans-Ulrich:
Vulkanische Aschen im pazifischen Ozean vor Nicaragua und Costa Rica - Ergebnisse der Sonne Ausfahrt SO 173/3 .
Vortrag: SONNE Statusseminar,
Rostock-Warnemünde, 09.-11.03.2005
Stichwörter:  [FB4/MUHS]; [SFB574]; Vortrag

Wehrmann, Heidi ; Freundt, Armin ; Kutterolf, Steffen ; Bonadonna, C. ; Houghton, B. F. ; Schmincke, Hans-Ulrich:
Dynamics of the basaltic Plinian Fontana eruption, Nicaragua .
Vortrag: IAVCEI Generally Assembly,
Pucon, Chile, 14.-20.11.2004
Stichwörter:  [FB4/MUHS]; [SFB574]; Poster

Kutterolf, Steffen ; Schacht, U. ; Freundt, Armin ; Wehrmann, Heidi ; Mörz, T. ; Schmidt, M. ; Schmincke, Hans-Ulrich:
Marine Tephras offshore Nicaragua and Costa Rica – Determination of sedimentation rates, eruption volumes, marine stratigraphy .
Vortrag: IAVCEI Generally Assembly,
Pucon, Chile, 14.-20.11.2004
Stichwörter:  [FB4/MUHS]; [SFB574]; Vortrag

Freundt, Armin ; Kutterolf, Steffen ; Wehrmann, Heidi ; Schmincke, Hans-Ulrich ; Strauch, W.:
Tsunami in Lake Managua, Nicaragua, triggered by a compositionally zoned plinian eruption .
Vortrag: IAVCEI Generally Assembly,
Pucon, Chile, 14.-20.11.2004
Stichwörter:  [FB4/MUHS]; [SFB574]; Vortrag

Kutterolf, Steffen ; Freundt, Armin ; Wehrmann, Heidi ; Schmincke, Hans-Ulrich ; Strauch, W.:
Varying volatile release during dacitic Chiltepe Pumice eruption (Nicaragua): Response to compositional changes and magma mixing?
Vortrag: IAVCEI Generally Assembly,
Pucon, Chile, 14.-20.11.2004
Stichwörter:  [FB4/MUHS]; [SFB574]; Poster

Freundt, Armin ; Kutterolf, Steffen ; Wehrmann, Heidi ; Perez, Wendy ; Schmincke, Hans-Ulrich ; Strauch, W.:
Volatile masses put into the stratosphere by arc-volcano plinian eruptions: Along-term record from Nicaragua .
Vortrag: IAVCEI Generally Assembly,
Pucon, Chile, 14.-20.11.2004
Stichwörter:  [FB4/MUHS]; [SFB574]; Vortrag

Kutterolf, Steffen ; Wehrmann, Heidi ; Schacht, U. ; Freundt, Armin ; Schmincke, Hans-Ulrich:
Alteration, distribution, and correlation of ash layers in the pacific seafloor off Nicaragua with on-land tephras - Implications for Volatile release and eruption parameters .
Vortrag: IAVCEI/IUGG international meeting,
Sapporo, Japan, 09.-13.07.2003
Stichwörter:  [SFB574]; Poster

Wehrmann, Heidi ; Kutterolf, Steffen ; Freundt, Armin ; Schmincke, Hans-Ulrich:
Stratigraphy and Eruption Dynamics of, and volatile release from highly explosive volcanic eruptions in central Nicaragua during the last 30 ka .
Vortrag: IUGG,
Sapporo, Japan, 09.- 13.07.2003
Stichwörter:  [SFB574]

Wehrmann, Heidi ; Kutterolf, Steffen ; Freundt, Armin ; Schmincke, Hans-Ulrich:
Stratigraphy and eruption dynamics of, and volatile release from, highly explosive eruptions of the Central Nicaraguan volcanic front over the last 30ka .
Vortrag: IAVCEI/IUGG international meeting,
Sapporo, Japan, 09.-13.07.2003
Stichwörter:  [SFB574]; Poster

Freundt, Armin ; Wehrmann, Heidi ; Kutterolf, Steffen ; Schmincke, Hans-Ulrich:
Volatile injection into atmosphere from highly explosive arc-volcanoes: A ~5000 years record from Nicaragua .
Vortrag: DMG-GV-DGG-Tagung,
22.-25.09.2003
Stichwörter:  [SFB574]

Wehrmann, Heidi ; Freundt, Armin ; Kutterolf, Steffen ; Schmincke, Hans-Ulrich ; Strauch, Wilfried:
Volatile Release and Eruption Dynamics of a Basaltic Plinian Eruption From Masaya Caldera, Nicaragua .
Vortrag: AGU - Fall Meeting,
San Francisco, USA, 08.- 12.12.2003
Stichwörter:  [SFB574]

Wehrmann, Heidi ; Freundt, Armin ; Kutterolf, Steffen ; Schmincke, Hans-Ulrich:
Volatile release and eruption dynamics of the basaltic-andesitic Fontana Tephra, Nicaragua .
Vortrag: AGU international meeting,
San Francisco, USA, 08.-12.12.2003
Stichwörter:  [SFB574]; Poster

Freundt, Armin:
The entry of pyroclastic flows into the sea .
Vortrag: AGU - Fall Meeting,
San Francisco, 10.-12.12.2001
Stichwörter:  [SFB574]