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  1. Bubble nucleation in H2O-CO2 bearing basaltic melts: results of high temperature decompression experiments

    26 Apr 2013 | Contributor(s): Nolwenn Le Gall, Michel Pichavant, Alain Burgisser

    AGU Meeting, San Francisco 2012Previous experiments have shown that mechanisms of basalt degassing are strongly contrasted when gas bubbles are present or when they are absent. Thus, experimental information on the kinetics of bubble nucleation in basaltic melts is needed, and high temperature...

  2. C. Risso, F.E. Nullo, K Nemeth, M.Gaddi 2011. Morphological evolution of La Barda volcano, Southern Andear retroarc, Argentina. XXV IUGG General Assembly "Earth on the Edge: Science for a Sustainable Planet" 28 June - 7 July 2011, Melbourne Convent

    28 Jul 2011 | Contributor(s): Karoly Nemeth

    In the extra-Andean sector of the Mendoza province, retro-arc volcanism was active from the Pliocene through to historic times. On the basis of its photogeological and geomorphological characteristics, the La Barda volcano is included in the Chapúa Group of Pliocene-lower Pleistocene aged...

  3. Cenozoic Diatremes In Chubut, Northern Patagonia, Argentina

    28 Jul 2011 | Contributor(s): Karoly Nemeth

    Haller MJ, Nemeth K. 2009. Cenozoic Diatremes In Chubut, Northern Patagonia, Argentina. 3ICM. International Maar Conference,April 14 - 17, 2009. Malargüe, Argentina, 23 pp

  4. CMAD: Advancing Understanding of Geospatial Clusters of Anomalous Melt Events in Sea Ice Extent

    28 Oct 2024 | Contributor(s): Maloy Kumar Devnath, Sudip Chakraborty, Vandana Janeja

    Traditional statistical analyses do not reveal the spatial locations and the temporal occurrences of clusters of anomalous events that are responsible for a significant loss of sea ice extent. To address this problem, we present a novel method named Convolution Matrix Anomaly Detection (CMAD)....

  5. CO2-rich melts generated during basalt magma ascent and degassing

    26 Apr 2013 | Contributor(s): Michel Pichavant, Ida Di Carlo, Silvio Rotolo, Bruno Scaillet, Alain Burgisser, Nolwenn Le Gall, Caroline Martel

    AGU Meeting San Francisco 2012To test mechanisms of basaltic magma degassing, experimental decompressions of volatile-bearing (2.7-3.8 wt% H2O, 600-1300 ppm CO2) Stromboli melts have been performed from 250-200 to 50-25 MPa at 1180-1140°C. Ascent rates were varied from 0.25 to ~ 1.5 m/s. Both the...

  6. Conference Abstract and Field Guide CD - 3rd International Maar Conference, Malargue, Argentina April 14-17, 2009

    28 Jul 2011 | Contributor(s): Karoly Nemeth

    This compressed folder contains the entire Abstract Volume and Field Guide of the 3rd International Maar Conference (2009). Unpack the folder first and you can make a CD, or start the index.htm file from the folder you created.If you make a separate CD, then ..This is a self starting CD-ROM. When...

  7. Contrasting eruptive styles of late Pleistocene-to-Holocene monogenetic volcanism from maars to domes in the Serdán-Oriental basin, eastern Mexican Volcanic Belt Post-meeting field guide for the 5th International Maar Conference, Querétaro, México

    01 Dec 2014 | Contributor(s): Gerardo Carrasco-Núñez, Michael H. Ort, Nancy R. Riggs, Brian Zimmer, Lorena De León-Barragán, Mario López-Rojas

    Contrasting eruptive styles of late Pleistocene-to-Holocene monogenetic volcanism from maars to domes in theSerdán-Oriental basin, eastern Mexican Volcanic BeltGerardo Carrasco-Núñez1,*, Michael H. Ort2, Nancy R. Riggs2, Brian Zimmer3,, Lorena De...

  8. Contribution of methane to total gas pressure in deep waters at lakes Nyos and Monoun (Cameroon, West Africa)

    17 Jul 2014 | Contributor(s): Issa, Takeshi Ohba, Wilson Fangtong, Alain Fouepe, CHAKO TCHAMABE Boris, Yukata Yoshida, Minoru Kusakabe, Sigha Kamdjou, Urumu TSUNOGAI, Yu Uginuma, Greg Zinkeng Tanyileke, Hell J.V.

    https://www.jstage.jst.go.jp/article/geochemj/47/3/47_2.0250/_article

  9. Correlation of Magma Evolution and Geophysical Monitoring during the 2011^2012 El Hierro (Canary Islands) Submarine Eruption

    04 Sep 2013 | Contributor(s): Joan Marti, Antonio Castro, Carmen Rodriguez, Fidel Costa, Sandra Carrasquilla, Rocio Pedreira, Xavier Bolos

    The application of petrography, mineral chemistry, geochemistry, and xperimental petrology, including mineral^melt thermodynamic and diffusion modelling, on quenched basanitic magma samples from the recent (2011^2012) submarine eruption of El Hierro (Canary Islands) has permitted the...

  10. Cost/benefit Analysis: Guidelines for quantitative protocols for volcanic risk reduction

    24 Aug 2015 | Contributor(s): dmitri rouwet

    The goal of this deliverable is to provide guidelines that may allow scientists and decision makers tobridge the gap between volcanological knowledge and a rational decision making. Part of thecontent of this document has been published on the paper W. Marzocchi, C.G. Newhall, G. Woo(2012). The...

  11. CVS Newsletter (Sept 2004)

    22 Oct 2013 | Contributor(s): Vern Manville, Richard James Brown

  12. D. Rouwet, B. Christenson, F. Tassi, J. Vandemeulebrouck (eds): Volcanic Lakes Springer 2015. Advances in Volcanology, 533 pages, Hardcover ISBN 978-3-642-36832-5, eBook: ISBN 978-3-642-36833-2. DOI: 10.1007/978-3-642-36833-2

    30 Aug 2015 | Contributor(s): CHAKO TCHAMABE Boris

  13. Deep Learning for Antarctic Sea Ice Anomaly Detection and Prediction: A Two-Module Framework

    28 Oct 2024 | Contributor(s): Maloy Kumar Devnath, Sudip Chakraborty, Vandana Janeja

    The Antarctic sea ice cover plays a crucial role in regulating global climate and sea level rise. The recent retreat of the Antarctic Sea Ice Extent and the accelerated melting of ice sheets (which causes sea level rise) raise concerns about the impact of climate change. Understanding the spatial...

  14. Determination of the largest clasts of tephra deposits for the characterization of explosive volcanic eruptions: report of the IAVCEI Commission on Tephra Hazard Modelling

    27 Jul 2011 | Contributor(s): Costanza Bonadonna, simona scollo, Raffaello Cioni, Laura Pioli, Marco Pistolesi

    This report summarizes the results of the field workshop of the IAVCEI Commission on Tephra Hazard Modelling that was carried out in Salcedo, Ecuador (January 16-18, 2006) with the main objective of assessing the best way to characterize the largest clasts of tephra deposits. Defining the largest...

  15. Development and Initial Testing of XR-Based Fence Diagrams for Polar Science

    23 Apr 2024 | Contributor(s): Naomi Tack, Nicholas Holschuh, Sharad Sharma, Rebecca Williams, Don Engel

    Naomi Tack, Nicholas Holschuh, Sharad Sharma, Rebecca Williams, and Don Engel. 2023. Development and Initial Testing of XR-Based Fence Diagrams for Polar Science. In IGARSS 2023 – 2023 IEEE International Geoscience and Remote Sensing Symposium, July 16, 2023, Pasadena, CA, USA. IEEE,...

  16. Electrical resistivity tomography revealing the internal structure of monogenetic volcanoes

    04 Sep 2013 | Contributor(s): Stephanie Barde-Cabusson, Xavier Bolos, Dario Pedrazzi, Raul Lovera, Guillem Serra, Joan Marti, Albert Casas

    Eruptive activity of individual monogenetic volcanoes usually lasts a few days or weeks. However, their short lifetime does not always mean that their dynamics andstructure are simple. Monogenetic cones construction is rarely witnessed from the beginning to the end, and conditions for observing...

  17. Estimating Causal Effects of Greenland Blocking on Arctic Sea Ice Melt using Deep Learning Technique

    23 Jul 2024 | Contributor(s): Sahara Ali, Omar Faruque, Yiyi Huang, Md Osman Gani, Aneesh Subramanian, Nicole Schlegel, Jianwu Wang, Josephine Namayanja (contributor)

    Over the recent decades, Earth scientists have noted a more pronounced shift in climate patterns near the polar regions, specifically the Arctic, in comparison to the rest of the Earth. The increased warming is largely attributed to the diminishing ice cover in the Arctic, which causes solar...

  18. Estimating Volcanic Risk in the Lesser Antilles

    26 Sep 2013 | Contributor(s): Michal Camejo, Richard E.A. Robertson

    The potential catastrophic effects of future volcanic eruptions in the Lesser Antilles can be decreased by the utilisation of effective risk quantification measures and their subsequent incorporation into disaster risk reduction strategies. A volcanic risk study conducted by the Norwegian...

  19. Estimation and propagation of volcanic source parameter uncertainty in an ash transport and dispersal model: application to the Eyjafjallajokull plume of 14--16 April 2010

    19 Sep 2012 | Contributor(s): Marcus I Bursik

    Data on source conditions for the 14 April 2010 paroxysmal phase ofthe \eyja~ eruption, Iceland, have been used as inputs to atrajectory-based eruption column model, . This model has inturn been adapted to generate output suitable as input to the volcanicash transport and dispersal model, , which...

  20. Evaluating Machine Learning and Statistical Models for Greenland Bed Topography

    15 May 2024 | Contributor(s): Katherine Yi, Angelina Dewar, Tartela Tabassum, Jason Lu, Ray Chen, Homayra Alam, Omar Faruque, Sikan Li, Mathieu Morlighem, Jianwu Wang

    Abstract:The purpose of this research is to study how different machine learning and statistical models can be used to predict bed topography in Greenland using ice-penetrating radar and satellite imagery data. Accurate bed topography representations are crucial for understanding ice sheet...