OceanRep
Items where Author is "Wehrmann, Heidi"
Number of items: 99.
Bonanati, C., Wehrmann, H., Portnyagin, M. and Hoernle, K.
(2017)
The Eyjafiallajökull 2010 eruption and the preservation of medium-sized eruptions in marine surface sediment, offshore southern Iceland.
Quaternary Research, 87
(3).
pp. 386-406.
DOI 10.1017/qua.2017.15.
Bonanati, C., Wehrmann, H., Hoernle, K. , Kutterolf, S. , Portnyagin, M. , Mirzaloo, M. , Nürnberg, D. , Strehlow, K. and Werner, R.
(2017)
A 68,000 year tephra record in marine sediment cores offshore southeast Iceland.
[Talk]
In: IAVCEI 2017 Scientific Assembly. , 14.-18.08.2017, Portland, Oregon, USA .
de Moor, J. M., Aiuppa, A., Avard, G., Wehrmann, H., Dunbar, N. W., Muller, C., Tamburello, G., Guidice, G., Liuzzo, M., Moretti, R., Conde, A. V. and Galle, B.
(2016)
Turmoil at Turrialba volcano (Costa Rica): Degassing and eruptive behavior inferred from high-frequency gas monitoring.
Journal of Geophysical Research: Solid Earth, 121
(8).
pp. 5761-5775.
DOI 10.1002/2016JB013150.
Wehrmann, H., Freundt, A. and Kutterolf, S.
(2016)
The 12.4 ka Upper Apoyeque Tephra, Nicaragua: stratigraphy, dispersal, composition, magma reservoir conditions and trigger of the plinian eruption.
Bulletin of Volcanology, 78
(6).
art. no. 44.
DOI 10.1007/s00445-016-1036-1.
Bonanati, C., Wehrmann, H., Portnyagin, M. , Kutterolf, S. and Hoernle, K.
(2016)
Tephra in marine sediment cores offshore southeast Iceland: A 68,000 year volcanic record.
[Poster]
In: Cities on Volcanoes 9. , 20.-25.11.2016, Puerto Varas, Chile .
Wehrmann, H., Freundt, A. and Kutterolf, S.
(2016)
The 12.4 ka Upper Apoyeque Tephra, Nicaragua: stratigraphy, dispersal, composition, magma reservoir conditions and trigger of the plinian eruption.
[Poster]
In: EGU General Assembly 2016. , 17.-22.04.2016, Vienna, Austria .
Kutterolf, S. , Hansteen, T. H. , Freundt, A. , Wehrmann, H., Appel, K., Krüger, K. and Perez, W.
(2015)
Bromine and chlorine emissions from Plinian eruptions along the Central American Volcanic Arc: From source to atmosphere.
Earth and Planetary Science Letters, 429
.
pp. 234-246.
DOI 10.1016/j.epsl.2015.07.064.
Bonanati, C., Portnyagin, M. , Wehrmann, H. and Hoernle, K.
(2015)
Volcanic glass in surface sediments offshore southern Iceland: Can eruptions such as Eyjafjallajökull 2010 be traced in the marine archive?.
[Talk]
In: EGU General Assembly 2015. , 12.–17.04.2015 , Vienna, Austria .
Dzierma, Y. and Wehrmann, H.
(2014)
Probabilities of future VEI ≥ 2 eruptions at the Central American Volcanic Arc: a statistical perspective based on the past centuries’ eruption record.
International Journal of Earth Sciences, 103
(7).
pp. 2029-2042.
DOI 10.1007/s00531-012-0803-2.
Freundt, A. , Grevemeyer, I. , Rabbel, W., Hansteen, T. H. , Hensen, C. , Wehrmann, H., Kutterolf, S. , Halama, R. and Frische, M.
(2014)
Volatile (H2O, CO2, Cl, S) budget of the Central American subduction zone.
International Journal of Earth Sciences, 103
(7).
pp. 2101-2127.
DOI 10.1007/s00531-014-1001-1.
Völker, D., Wehrmann, H., Kutterolf, S. , Iyer, K. , Rabbel, W., Geersen, J. and Hoernle, K.
(2014)
Constraining input and output fluxes of the southern Central Chile Subduction Zone: water, chlorine, sulfur.
International Journal of Earth Sciences, 103
(7).
pp. 2129-2153.
DOI 10.1007/s00531-014-1002-0.
Wehrmann, H., Hoernle, K. , Garbe-Schönberg, D., Jacques, G., Mahlke, J. and Schumann, K.
(2014)
Insights from trace element geochemistry as to the roles of subduction zone geometry and subduction input on the chemistry of arc magmas.
International Journal of Earth Sciences, 103
(7).
pp. 1929-1944.
DOI 10.1007/s00531-013-0917-1.
Wehrmann, H., Hoernle, K. , Jacques, G., Garbe-Schönberg, D., Schumann, K., Mahlke, J. and Lara, L. E.
(2014)
Volatile (sulphur and chlorine), major, and trace element geochemistry of mafic to intermediate tephras from the Chilean Southern Volcanic Zone (33–43°S).
International Journal of Earth Sciences, 103
(7).
pp. 1945-1962.
DOI 10.1007/s00531-014-1006-9.
Jacques, G., Hoernle, K. , Gill, J., Wehrmann, H., Bindeman, I. and Lara, L. E.
(2014)
Geochemical variations in the Central Southern Volcanic Zone, Chile (38-43°S): The role of fluids in generating arc magmas.
Chemical Geology, 371
.
pp. 27-45.
DOI 10.1016/j.chemgeo.2014.01.015.
Hoernle, K. , Jacques, G., Gill, J., Wehrmann, H. and Lara, L.
(2014)
The Ins and Outs along 1100 km of the Southern Chilean Subduction Zone and Argentinian Backarc: From 6000 m below to 6000m above Sea Level.
[Talk]
In: Geokolloquium Universität Erlangen-Nürnberg. , 03.02.2014, Erlangen .
Jacques, G., Hoernle, K. , Gill, J. and Wehrmann, H.
(2014)
Isotopic compositions of volcanic arc rocks in the Southern Volcanic Zone (33°-43°S), Chile: along- and across-arc variations.
[Poster]
In: EGU General Assembly 2014. , 27.04.-02.05.2014, Vienna, Austria .
Wehrmann, H., Hoernle, K. , Jacques, G., Garbe-Schönberg, D., Trumbull, R. and Wiedenbeck, M.
(2014)
Variations of water, sulphur, and chlorine in mafic to intermediate tephras along the Chilean Southern Volcanic Zone.
[Poster]
In: EGU General Assembly 2014. , 27.04.-02.05.2014, Vienna, Austria .
Jacques, G., Hoernle, K. A. , Gill, J., Hauff, F. , Wehrmann, H., Garbe-Schönberg, D., van den Bogaard, P., Bindeman, I. and Lara, L. E.
(2013)
Across-arc geochemical variations in the Southern Volcanic Zone, Chile (34.5- 38.0°S): Constraints on Mantle Wedge and Slab Input Compositions.
Geochimica et Cosmochimica Acta, 123
.
pp. 218-243.
DOI 10.1016/j.gca.2013.05.016.
Kutterolf, S. , Hansteen, T. H. , Appel, K., Freundt, A. , Krüger, K., Perez, W. and Wehrmann, H.
(2013)
Combined bromine and chlorine release from large explosive volcanic eruptions: A threat to stratospheric ozone?.
Geology, 41
(6).
pp. 707-710.
DOI 10.1130/G34044.1.
Dzierma, Y. and Wehrmann, H.
(2012)
On the likelihood of future eruptions in the Chilean Southern Volcanic Zone: interpreting the past century's eruption record based on statistical analyses.
Andean Geology, 39
(3).
pp. 380-393.
DOI 10.5027/andgeoV39n3-a02.
Dzierma, Y., Rabbel, W., Thorwart, M., Koulakov, I., Wehrmann, H., Hoernle, K. and Comte, D.
(2012)
Seismic velocity structure of the slab and continental plate in the region of the 1960 Valdivia (Chile) slip maximum - insights into fluid release and plate coupling.
Earth and Planetary Science Letters, 331-332
.
pp. 164-176.
DOI 10.1016/j.epsl.2012.02.006.
Jacques, G., Hoernle, K. , Hauff, F. , Wehrmann, H., Gill, J., Garbe-Schönberg, D., van den Bogaard, P., Bindeman, I. and Lara, L. E.
(2012)
Across-arc geochemical variations in the Southern Volcanic Zone, Chile (34.5- 38.0°S): Constraints on Mantle Wedge and Input Compositions.
[Poster]
In: AGU Fall Meeting 2012. , 03.-07.12.2012, San Francisco, USA .
Rabbel, W., Dzierma, Y., Thorwart, M., Wunderlich, T., Koulakov, I., Hoernle, K. and Wehrmann, H.
(2012)
Seismic evidence of a link between subducted oceanic faults and volcanism: A case study from South Central Chile.
[Poster]
In: EGU General Assembly 2012. , 22.-27.04.2012, Vienna, Austria .
Hoernle, K. , Jacques, G., Wehrmann, H., Dzierma, Y., Garbe-Schönberg, D., van den Bogaard, P., Lara, L., Völker, D., Kutterolf, S. and Iyer, K.
(2011)
Geochemical, Geophysical and Morphological Results from the Chilean Southern Volcanic Zone: The Role of Fluids in Generating the Highest Magmatic Output.
[Talk]
In: AGU Fall Meeting 2011. , 05.-09.12.2011, San Francisco, USA .
Jacques, G., Hoernle, K. , Wehrmann, H., Garbe-Schönberg, D., van den Bogaard, P., Hauff, F. and Lara, L.
(2011)
Along-Arc geochemical variations in the Southern Volcanic Zone, Chile.
[Talk]
In: Goldschmidt Conference 2011. , 14.-19.08.2011, Prague, Czech Republic ; p. 1096 .
Mineralogical Magazine, 75,3
.
Völker, D., Kutterolf, S. and Wehrmann, H.
(2011)
Comparative mass balance of volcanic edifices at the Southern Volcanic Zone of the Andes between 33°S and 46°S.
Journal of Volcanology and Geothermal Research, 205
.
pp. 114-129.
DOI 10.1016/j.jvolgeores.2011.03.011.
Wehrmann, H. and Dzierma, Y.
(2011)
Applicability of statistical eruption analysis to the geologic record of Villarrica and Lanin volcanoes, Southern Volcanic Zone, Chile.
Journal of Volcanology and Geothermal Research, 200
.
pp. 99-115.
DOI 10.1016/j.jvolgeores.2010.11.009.
Wehrmann, H., Halama, R., Garbe-Schönberg, D., Hoernle, K. , Jacques, G., Heydolph, K., Mahlke, J. and Schumann, K.
(2011)
On the fluid-mobility of molybdenum, tungsten, and antimony in subduction systems.
[Poster]
In: Goldschmidt Conference 2011. , 14.-19.08.2011, Prague, Czech Republic ; p. 2140 .
Mineralogical Magazine, 75,3
.
Wehrmann, H., Hoernle, K. , Portnyagin, M. , Wiedenbeck, M. and Heydolph, K.
(2011)
Volcanic CO2 output at the Central American subduction
zone inferred from melt inclusions in olivine crystals
from mafic tephras.
Geochemistry, Geophysics, Geosystems, 12
.
Q06003.
DOI 10.1029/2010GC003412.
Jacques, G., Hoernle, K. , Wehrmann, H., Garbe-Schönberg, C. D., van den Bogaard, P., Hauff, F. and Lara, L.
(2010)
Along- and Across-Arc Variations in the Southern Volcanic Zone, Chile.
[Talk]
In: 88. Jahrestagung der Deutschen Mineralogischen Gesellschaft, DMG, From Dust to Dust. , 19.09.-22.09.2010, Münster . From Dust to Dust : 88. Jahrestagung der Deutschen Mineralogischen Gesellschaft, DMG ; Abstracts. ; 122, S09-T08 .
Dzierma, Y. and Wehrmann, H.
(2010)
Eruption time series statistically examined: Probabilities of future eruptions at Villarrica and Llaima Volcanoes, Southern Volcanic Zone, Chile.
Journal of Volcanology and Geothermal Research, 193
(1-2).
pp. 82-92.
DOI 10.1016/j.jvolgeores.2010.03.009.
Dzierma, Y. and Wehrmann, H.
(2010)
Statistical eruption forecast for the Chilean Southern Volcanic Zone: typical frequencies of volcanic eruptions as baseline for possibly enhanced activity following the large 2010 Concepción earthquake.
Natural Hazards and Earth System Sciences, 10
.
pp. 2093-2108.
DOI 10.5194/nhess-10-2093-2010.
Costantini, L., Bonadonna, C., Houghton, B. F. and Wehrmann, H.
(2009)
New physical characterization of the Fontana Lapilli basaltic Plinian eruption, Nicaragua.
Bulletin of Volcanology, 71
(3).
pp. 337-355.
DOI 10.1007/s00445-008-0227-9.
Völker, D., Kutterolf, S. and Wehrmann, H.
(2009)
The Southern Volcanic Zone of Chile: calculations of Holocene and Pleistocene volcano volumina on the basis of morphologic data and relations between mass distribution and subduction parameters.
[Poster]
In: EGU General Assembly 2009. , 19.-24.04.2009, Vienna, Austria .
Kutterolf, S. , Freundt, A. , Perez, W., Mörz, T., Schacht, U., Wehrmann, H. and Schmincke, H. U.
(2008)
Pacific offshore record of plinian arc volcanism in Central America: 1. Along-arc correlations.
Geochemistry, Geophysics, Geosystems, 9
(Q02S01).
DOI 10.1029/2007GC001631.
Kutterolf, S. , Freundt, A. , Perez, W., Wehrmann, H. and Schmincke, H. U.
(2007)
Late Pleistocene to Holocene temporal succession and magnitudes of highly-explosive volcanic eruptions in west-central Nicaragua.
Journal of Volcanology and Geothermal Research, 163
.
pp. 55-82.
DOI 10.1016/j.jvolgeores.2007.02.006.
Freundt, A. , Kutterolf, S. , Schmincke, H. U. , Hansteen, T. , Wehrmann, H., Perez, W., Strauch, W. and Navarro, M.
(2006)
Volcanic hazards in Nicaragua: Past, present, and future.
In: Volcanic hazards in Central America.
, ed. by
Rose, W. I., Bluth, G., Carr, M. J., Ewert, J., Patino, L. and Vallance, J..
Geological Society of America Special Paper, 412
.
Geological Society of America, Boulder, Colorado, pp. 141-165.
DOI 10.1130/2006.2412(08).
Freundt, A. , Kutterolf, S. , Wehrmann, H., Schmincke, H. U. and Strauch, W.
(2006)
Eruption of the dacite to andesite zoned Mateare Tephra, and associated tsunamis in Lake Managua, Nicaragua.
Journal of Volcanology and Geothermal Research, 149
(1-2).
pp. 103-123.
DOI 10.1016/j.jvolgeores.2005.06.001.
Wehrmann, H.
(2005)
Volatile degassing and plinian eruption dynamics of the mafic Fontana Tephra, Nicaragua.
(PhD/ Doctoral thesis), Christian-Albrechts-Universität, Kiel, Germany, 111 pp.
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