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Other profiles


Educational Background

  • Ph.D., 1998, Geology, Universitat de Barcelona
  • B.Sc., 1992, Geology, Universitat de Barcelona


Research Interests

  • Reconstruction of paleoclimate changes and anthropogenic impacts using highresolution multiproxy study of lacustrine sediments.
  • Reconstruction of highfrequency climate phenomena, such as the North Atlantic Oscillation (NAO) and the El Niño Southern Oscillation (ENSO).
  • Statistical methods for isolating and characterizing paleoenvironmental signals (climate signals vs. tectonic, volcanic and/or anthropogenic signals).
  • Late Glacial and Holocene paleoenvironmental evolution of the Iberian Peninsula.
  • Sedimentary processes in lacustrine environments.
  • Uraniumseries disequilibrium (234U/230Th) dating method.


Active Projects

Past Projects
















Bernárdez, P., R. Prego, S. Giralt, J. Esteve, M. Caetano, S. Parra, and G. Francés (2012), Geochemical and mineralogical characterization of surficial sediments from the Northern Rias: Implications for sediment provenance and impact of the source rocks, Marine Geology, 291-294, 63-72, doi: 10.1016/j.margeo.2011.11.003.

Cañellas-Boltà, N., V. Rull, A. Sáez, O. Margalef, S. Giralt, J. J. Pueyo, H. H. Birks, H. J. B. Birks, and S. Pla-Rabes (2012), Macrofossils in Raraku Lake (Easter Island) integrated with sedimentary and geochemical records: Towards a palaeoecological synthesis for the last 34,000 years, Quaternary Science Reviews, 34, 113-126, doi: 10.1016/j.quascirev.2011.12.013.

Gómez-Paccard, M., J. C. Larrasoaa, S. Giralt, and A. P. Roberts (2012), First paleomagnetic results of mid-to late Holocene sediments from Lake Issyk-Kul (Kyrgyzstan): Implications for paleosecular variation in central Asia, Geochemistry, Geophysics, Geosystems, 13(1), doi: 10.1029/2011GC004015.

Vegas-Vilarrúbia, T., J. Sigró, and S. Giralt (2012), Connection between El Niño-Southern Oscillation events and river nitrate concentrations in a Mediterranean river, Science of the Total Environment, 426, 446-453, doi: 10.1016/j.scitotenv.2012.03.079.

Ballesteros, D., M. Jiménez-Sánchez, J. García-Sansegundo, and S. Giralt (2011), Geological methods applied to speleogenetical research in vertical caves: The example of Torca Teyera shaft (Picos de Europa, northern Spain), Carbonates and Evaporites, 26(1), 29-40, doi: 10.1007/s13146-011-0052-7.

Colonese, A. C., E. Camarós, E. Verdún, J. Estévez, S. Giralt, and M. Rejas (2011), Integrated archaeozoological research of shell middens: New insights into hunter-gatherer-fisher coastal exploitation in Tierra del Fuego, Journal of Island and Coastal Archaeology, 6(2), 235-254, doi: 10.1080/15564894.2011.586088.

Corella, J. P., A. Moreno, M. Morellón, V. Rull, S. Giralt, M. T. Rico, A. Pérez-Sanz, and B. L. Valero-Garcés (2011), Climate and human impact on a meromictic lake during the last 6,000 years (Montcortès Lake, Central Pyrenees, Spain), Journal of Paleolimnology, 46(3), 351-367, doi: 10.1007/s10933-010-9443-3.

Giralt, S., M. T. Rico-Herrero, J. C. Vega, and B. L. Valero-Garcés (2011), Quantitative climate reconstruction linking meteorological, limnological and XRF core scanner datasets: The Lake Sanabria case study, NW Spain, Journal of Paleolimnology, 46(3), 487-502, doi: 10.1007/s10933-011-9509-x.

Hernández, A., R. Bao, S. Giralt, P. A. Barker, M. J. Leng, H. J. Sloane, and A. Sáez (2011), Biogeochemical processes controlling oxygen and carbon isotopes of diatom silica in Late Glacial to Holocene lacustrine rhythmites, Palaeogeography, Palaeoclimatology, Palaeoecology, 299(3-4), 413-425, doi: 10.1016/j.palaeo.2010.11.020.

Larrasoaña, J. C., M. Gómez-Paccard, S. Giralt, and A. P. Roberts (2011), Rapid locking of tectonic magnetic fabrics in weakly deformed mudrocks, Tectonophysics, 507(1-4), 16-25, doi: 10.1016/j.tecto.2011.05.003.

Martín-Puertas, C., B. L. Valero-Garcés, M. P. Mata, A. Moreno, S. Giralt, F. Martínez-Ruiz, and F. Jiménez-Espejo (2011), Geochemical processes in a Mediterranean Lake: A high-resolution study of the last 4,000 years in Zoñar Lake, southern Spain, Journal of Paleolimnology, 46(3), 405-421, doi: 10.1007/s10933-009-9373-0.

Nieto-Moreno, V., F. Martínez-Ruiz, S. Giralt, F. Jiménez-Espejo, D. Gallego-Torres, M. Rodrigo-Gámiz, J. García-Orellana, M. Ortega-Huertas, and G. J. De Lange (2011), Tracking climate variability in the western Mediterranean during the Late Holocene: A multiproxy approach, Climate of the Past, 7(4), 1395-1414, doi: 10.5194/cp-7-1395-2011.

Rull, V., P. González-Sampériz, J. P. Corella, M. Morellón, and S. Giralt (2011), Vegetation changes in the southern Pyrenean flank during the last millennium in relation to climate and human activities: The Montcortès lacustrine record, Journal of Paleolimnology, 46(3), 387-404, doi: 10.1007/s10933-010-9444-2.

Giralt, S., L. Cabrera, and E. H. Gierlowski-Kordesch (2010), Paleolimnology, Palaeogeography, Palaeoclimatology, Palaeoecology, 294(1-2), 1-3, doi: 10.1016/j.palaeo.2010.05.030.

Giralt, S., and B. L. Valero-Garcés (2010), Paleolimnology, Journal of Quaternary Science, 25(7), 1049-1050, doi: 10.1002/jqs.1446.

Hernández, A., S. Giralt, R. Bao, A. Sáez, M. J. Leng, and P. A. Barker (2010), ENSO and solar activity signals from oxygen isotopes in diatom silica during late glacial-Holocene transition in central Andes (18°S), Journal of Paleolimnology, 44(2), 413-429, doi: 10.1007/s10933-010-9412-x.

Rull, V., N. Cañellas-Boltà, A. Sáez, S. Giralt, S. Pla, and O. Margalef (2010), Paleoecology of Easter Island: Evidence and uncertainties, Earth-Science Reviews, 99(1-2), 50-60, doi: 10.1016/j.earscirev.2010.02.003.

Sáez, A., B. L. Valero-Garcés, S. Giralt, A. Moreno, R. Bao, J. J. Pueyo, A. Hernández, and D. Casas (2009), Glacial to Holocene climate changes in the SE Pacific. The Raraku Lake sedimentary record (Easter Island, 27°S), Quaternary Science Reviews, 28(25-26), 2743-2759, doi: 10.1016/j.quascirev.2009.06.018.

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