Dr Ricardo S. Ramalho

BSc(Lisbon), MSc(Lisbon), PhD(Bristol)

  • BS8 1RJ

20052019

Research output per year

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Personal profile

Research interests

My research focuses on the origins and evolution of ocean island volcanoes. My aim is to understand how island volcanoes grow and decay, at different time and spatial scales, and how that evolution reflects the holistic interaction between surface processes and deep earth mechanisms. My work also considers the hazard potential associated with island volcanoes, particularly how their gravitational collapse may trigger tsunamis that are theoretically capable of trans-oceanic devastation. I aim to establish the scale of risk associated with these events, drawing knowledge from one of the largest megatsunamis known from the geological record.

My work straddles the interface between volcanic field geology, geomorphology, stratigraphy, and sedimentology. I essentially combine detailed field observations with isotopic geochronology – such as Ar/Ar, U-Th, and cosmogenic 3He – to reconstruct the 4D evolution of ocean island volcanoes and their landscapes, followed by modelling to investigate the link between that evolution and its driving forces.

External positions

FCT Research Fellow, Instituto Dom Luiz, Universidade de Lisboa

3 Oct 2016 → …

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Research Output

Volcano-stratigraphic and structural evolution of Brava Island (Cape Verde) based on 40Ar/39Ar, U-Th and field constraints

Madeira, J., Mata, J., Mourão, C., Brum da Silveira, A., Martins, S., Ramalho, R. & Hoffmann, D. L., Oct 2010, In : Journal of Volcanology and Geothermal Research. 196, 3-4, p. 219-235 17 p.

Research output: Contribution to journalArticle (Academic Journal)

  • 47 Citations (Scopus)

    Coastal dunes with high content of rhodolith (coralline red algae) bioclasts: Pleistocene formations on Maio and São Nicolau in the Cape Verde archipelago

    Johnson, M. E., Baarli, B. G., da Silva, C. M., Cachão, M., Ramalho, R. S., Ledesma-Vázquez, J., Mayoral, E. J. & Santos, A., Mar 2013, In : Aeolian Research. 8, p. 1-9 9 p.

    Research output: Contribution to journalArticle (Academic Journal)

  • 9 Citations (Scopus)

    The emergence of volcanic oceanic islands on a slow-moving plate: The example of Madeira Island, NE Atlantic

    Ramalho, R. S., Brum Da Silveira, A., Fonseca, P. E., Madeira, J., Cosca, M., Cachão, M., Fonseca, M. M. & Prada, S. N., 2015, In : Geochemistry, Geophysics, Geosystems. 16, 2, p. 522-537 16 p.

    Research output: Contribution to journalArticle (Academic Journal)

  • 34 Citations (Scopus)

    Prizes

    Springer Thesis Award 2011

    Ramalho, Ricardo S. (Recipient), 2011

    Prize: Prizes, Medals, Awards and Grants

    Activities

    • 2 Fellowship awarded competitively

    FCT Investigator

    Ricardo S. Ramalho (Recipient)

    3 Oct 20162 Oct 2021

    Activity: Other activity typesFellowship awarded competitively

    PEOPLE - Marie Curie IOF - What can island isostasy tell us about hotspot dynamics?

    Ricardo S. Ramalho (Recipient)

    11 Jan 201311 Jan 2016

    Activity: Other activity typesFellowship awarded competitively