GPR study of a pre-incaic archaeological site in the Argentinian Andes

GALLERY

Urban geophysics: Electrical Resistivity Tomography for archaeology and engineering applications

Near surface reflection seismic for sedimentary studies 

GPR study of dunes - Automatic detection of buried pipe-flanges using Supervised Learning

 
 
 
 

Contact Us

ADDRESS

 

Ciudad Universitaria, Pabellón 1, Depto. de Física

1428 Buenos Aires, Argentina

EMAILS

Ana Osella: osella@df.uba.ar

Patricia Martinelli: pmartine@df.uba.ar

Néstor Bonomo: bonomo@df.uba.ar

Matías de la Vega: matias@df.uba.ar

ABOUT US

The Applied and Environmental Geophysics Group (GAIA) has wide experience in geophysical prospecting. The methods used allow studying different physical properties from the terrestrial interior, through measurements made in the surface, reaching depths that go from centimeters to some kilometers. Throughout almost two decades, numerous innovative contributions have been generated regarding the methodology of data acquisition, processing and modeling, as well as the development of measurement equipment. These contributions led to a continuous improvement of the results obtained when applying these methods


PROSPECTING METHODS EMPLOYED BY THE GROUP

  • Geoelectrical or Resistive method, also known as DC or Electrical Resistivity Tomography (ERT)

  • Induced Polarization (IP)

  • Multi-frequency, dual-coil electromagnetic induction (EMI) / Small-loop electromagnetic induction (SLEM)

  • Ground Penetrating Radar (GPR)

  • Reflection Seismic

 

The first four methods offer information about the electrical and magnetic properties of the sub-surface, and the last one about its elastic properties.


MAIN APPLICATIONS ADDRESSED DURING THE PAST FEW YEARS

  • Regional geologic studies

  • Exploration of natural resources

  • Hydro-geological Investigations

  • Detection and mapping of contamination plumes

  • Location of buried structures

  • Archaeo-geophysics

  • Studies of environmental impact related to industrial activity

  • Characterization of geothermal reservoirs and localization of geothermal aquifers

  • Determination of zones with enhanced corrosion risk in buried pipelines

  • Studies on sedimentation and desertification.

EXPERIMENTAL AND METHODOLOGICAL DEVELOPMENTS

A general objective of research is the development of advances in the methodologies of acquisition, processing, numerical modeling and interpretation of data, for improving the accuracy and resolution of the information obtained with the prospecting methods used.

  • Georadar: Investigation of arrangements of emitters and receivers - Development of methods for automatic detection and clasification of targets based on Supervised Learning (Artificial Neural Networks, Support Vector Machines, clustering, etc.)

  • Electrical Resistivity Tomography / Induced Polarization: Design and construction of a modular multichannel equipment for extensive 3D measurements and 4D monitoring of areas of interest, through remote measurements - Development, analysis and optimization of 3D acquisition configurations with surface and borehole electrodes, for the detection of fluid layers at medium to great depths / Development and implementation of alternative methods of acquisition and processing to estimate and reduce the errors of geoelectric and EMI data.

  • Seismic method: Design and optimization of processing filters for the removal of coherent noise (surface waves). Development of a 2D direct modeling method based on ray tracing.

Physics Department, Faculty of Exact and Natural Sciences, University of Buenos Aires
Institute of Physics of Buenos Aires, CONICET
 
 
 

PEOPLE AT GAIA

RESEARCHERS

  • Dr. Ana Osella. Full Professor at the Physics Department of the Faculty of Exact and Natural Sciences, UBA (University of Buenos Aires); Principal Researcher at CONICET (National Council of Scientific and Technical Research); Curriculum Vitae

  • Dr. Patricia Martinelli. Independent Researcher at CONICET; Adjoint Professor at UTN (National Technological University); Curriculum Vitae

  • Dr. Néstor Bonomo. Independent Researcher at CONICET; Curriculum Vitae

  • Dr. Matías de la Vega. Independent Researcher at CONICET; Curriculum Vitae

  • Dr. Vivian Grunhut. Assistant researcher at CONICET; Adjoint Professor level 1, Faculty of Engineering, Austral University; Curriculum Vitae

  • Dr. Victoria Bongiovanni. Assistant researcher at CONICET; Adjoint Professor level 1, Faculty of Engineering, Austral University; Curriculum Vitae

PhD STUDENTS

  • Lic. Pablo Bordón. Doctoral Fellowship from CONICET

  • Lic. Darío Bullo. Doctoral Fellowship from CONICET

  • Lic. Luciano Onnis. Doctoral Fellowship from CONICET

  • Lic. Peter Zabala Medina. Doctoral Fellowship from ANPCyT

PUBLICATIONS (LAST YEARS)

BOOKS

  • A. Osella y J. L. Lanata. 2006. Arqueo-geofísica: Una metodología interdisciplinaria para explorar el pasado, Ed. Academia de Historia Félix Azara – Universidad Maimónides, Bs. As., 250pp. (ISBN 987-05-1847-8).

  • Osella, A., Bonomo, N, y Ratto, N., 2009. Prospección Geofísica en la localidad  arqueológica de Palo Blanco y alrededores (Departamento Tinogasta, Catamarca). In: Entrelazando ciencias, sociedad y ambiente antes de la conquista española. Compiler: Norma Ratto. Editor: EUDEBA, 207 pág, ISBN 978-950-23-1651-2.

  • Ratto, N, Bonomo, N. y Osella, A., 2013. Arqueo-geofísica en instalaciones del área del abanico aluvial del río La Troya (Departamento Tinogasta, Catamarca). In: Delineando practicas de la gente del pasado: Los procesos socio-históricos del oeste catamarqueña (comp. N. Ratto). Ed. Sociedad Argentina de Antropología. ISBN 978-987-1280-23-0.

 

PAPERS AND PROCEEDINGS 

Development of Methods and Geophysical Data Modeling

  • 2-D Geoelectrical modeling using a Rayleigh-Fourier method. Osella, A., Martinelli, P. and Cernadas, D., 2000., IEEE Trans. Geoscience and remote sensing , 38 (3), 1344-1351.

  • Comparative magnetotelluric modeling of smooth 2D and 3D conducting bodies using Rayleigh-Fourier codes. Martinelli, P., Osella, A. and Pomposiello, C., 2000. Pure Appl. Geophys., 157 (3), 383-405.

  • Induction effects of 2-D structures on buried pipelines. Osella, A., Martinelli, P., Favetto, A., and López, E., 2002.. IEEE Trans. Geoscience and remote sensing, 40 (1), 197-205 (ISBN 0196-2892).

  • Geoelectrical modeling of shallow structures using parallel and perpendicular arrays, Bonomo, N., Osella and A., Martinelli, P., 2002. Earth, Planets and Space, 54(5), 523-533. (ISNN 1343-8832)

  • Numerical simulations of the current channeling effect on MT responses due to shallow conductive structures, Chao, G. y Osella, A., 2003. J. Appl. Geophys., 52, 123-137 (ISBN 0926-9851).

  • Modelling electromagnetic responses of 2-D structures due to spatially non-uniform inducing fields. Analysis of magnetotelluric source effects at coast lines, Martinelli, P. y Osella, A., 2003. Geophys. J. Inter., 155 (2), 623-640.

  • Numerical simulation of electromagnetic induction responses of  2D resistive structures as an aid for interpretation of archaeological data,  P. Martinelli , A. Osella, E. Lascano, 2004. Proc. 74th SEG Meeting. Electronic Ed.

  • Modeling Broadband Electromagnetic Induction Responses of 2-D Multilayered Structures,  Martinelli, P., Osella, A.  and Lascano, E., 2006. IEEE Trans. Geoscience and remote sensing, 44 (9), 2454-2460

  • An application of the synthetic emitter-array method to improve GPR signals, Cedrina, Lorena, Bonomo, Néstor, y Osella, Ana, 2010. Journal of Applied Geophysics, 70, 237-244 DOI information: 10.1016/j.jappgeo.2010.01.004 (ISBN 0926-9851).

  • GPR-signal improvement through the Synthetic Emitter Array method: a study of its characteristics. Cedrina, L., Bonomo, N. and Osella, A., 2011. Journal of Applied Geophysics, Acepted.

  • Effects of instrument orientation on small-loop electromagnetic induction surveys of localized 2D conductive targets. Robledo, F. E.; Martinelli, H. P.; Bonomo, N. E., 2011. Journal of Geophysics and Engineering, 8, 579–591.

  • Estimation of Data Errors for Small-loop EM Induction Systems and how Considering them Improves 1D Inversion Results. Martinelli, H. P.; Robledo, F. E., 2012. Book of Abstracts: Near Surface Geoscience 2012. 18th European Meeting of Environmental and Engineering Geophysics, Ed. by European Association of Geoscientists and Engineers, 5 pp. ISBN 978-90-73834-34-7.

  • Development of a geoelectric device of capacitive contact for studying very resistive zones. A. Osella, M.V. Bongiovanni, M. de la Vega, 2012, Near Surface Geoscience 2012. 18th European Meeting of Environmental and Engineering Geophysics, Ed. by European Association of Geoscientists and Engineers, 5 pág. 

  • Detection of brine plumes in an oil reservoir using the geoelectric method. Bongiovanni, M.V., A. Osella, M. de la Vega and A. Tichno, 2013, Journal of Geophysics and Engineering, 10, 1-9.    

  • Ground Penetrating Radar investigation of the cylindrical pedestal of a monument. Bonomo, N., Bullo, D., Villela, A., and Osella, A., 2015. Journal of Applied Geophysics, 113, 1-13.

  • Numerical simulation of surface-downhole geoelectrical measurements in order to detect brine plumes. M.V. Bongiovanni, V. Grünhut, A. Osella, A. Tichno, 2015, Journal of Applied Geophysics, 116 215–223. 

  • Azimuth calculation for buried pipelines using a synthetic array of emitters, a single survey line and scattering matrix formalism. Bullo, D., Villela, A. and Bonomo, N., 2016. Journal of Applied Geophysics, 134, 253–266.

  • Identification of pipe flanges in GPR images by using Neural Networks. Bordon, P., Martinelli, H. P., Bonomo, N.E., 2017. Book of Abstracts: Near Surface Geoscience 2017. 23th European Meeting of Environmental and Engineering Geophysics. Ed. by: European Association of Geoscientists and Engineers (EAGE).

  • 2D-SEA Methodology for GPR Reflections. Bullo, D., Bonomo, N. and Osella, A., 2017. 23rd European of Environmental and Engineering Geophisycs. European Association of Geoscientist & Engineers. 3 - 7 September. Malmö, Sweden, Mo 23P2 20.

 

Applications to Sedimentological and Paleoenvironmental Studies

  • Payenia Volcanic Field and Llancanelo Lake: A key region for paleovolcanic, paleoenvironmental and paleoclimatic recording. Rovere, E.I., Violante, R.A., Osella, A., De La Vega, M. Y Osterrieth, M.L., IAVCEI  General Assembly, Reykjavik, Islandia, 2008.

  • Paleovolcanic and paleoclimatic evidences in Quaternary deposits from Llancanelo lake, Payenia Volcanic Field (Mendoza, Argentina): environmental hazard implicances. Rovere, E.I., Violante, R.A., Osella, A., De La Vega, M. Y Osterrieth, M.L., 3rd. International Maars Conference (3 IMC), Malargue, Mendoza, 2009. Abstracts volume: 31-32.

  • Characterizing volcanic features using a frequency-domain electromagnetic induction system, Osella, A., de la Vega, M., López, E., Violante, R., Rovere, E.. AGU 2010 The Meeting of the Americas, Foz do Iguassu, Brazil, August 8-12.

  • Paleoenvironmental Reconstruction In The Western Lacustrine Plain Of Llancanelo Lake, Mendoza, Argentina Violante, R., Osella, A., de la Vega, M., Rovere, E., Osterrieth, M., 2010., Journal of South American Earth Sciences, 29 (650-664), doi: 10.1016/j.jsames.2009.12.001

 

Pipe-flange Detection and Corrosion Studies in Oil and Mineral Pipelines

  • Effects of soil resistivity in buried pipelines, Osella, A. y Favetto, A., 2000. J. Appl. Geophys., 44, 303-312.

  • How to detect buried structures through electrical measurements, Osella, A., Chao, G. and Sánchez, Federico, 2000. Am. J. Phys., 69, 2, 1-7. (ISSN 0002-9505)

  • Induction effects of 2-D structures on buried pipelines. Osella, A., Martinelli, P., Favetto, A., and López, E., 2002.. IEEE Trans. Geoscience and remote sensing, 40 (1), 197-205 (ISBN 0196-2892).

  • Corrosion rate in pipelines due to varying currents and its dependency on the electrical resistivity of the soil, Osella, A. , López, E. y Martino, L., 2003. Ann. Soc. Braz. Geof., Electronic Ed.

  • Controlled experiments to study corrosion effects due to external varying fields in embedded pipelines, López, E., Osella, A. and L. Martino, 2006. Corrosion Sc., 48 (2), 389-403. (ISBN 1466-8858).

  • Pipe-flange detection with GPR Bonomo, N., de la Vega, M., Martinelli, P,  and Osella, A., 2011., Journal of Geophysics and Engineering, 8, 35-45.

  • Identification of pipe flanges in GPR images by using Neural Networks. Bordon, P., Martinelli, H. P., Bonomo, N.E., 2017. Book of Abstracts: Near Surface Geoscience 2017. 23th European Meeting of Environmental and Engineering Geophysics. Ed: European Association of Geoscientists and Engineers (EAGE).

 

Characterization of Contaminants and Environmental Impact Studies

  • Combining Wenner and Dipole-Dipole arrays to study Hydrocarbon contaminated soils, Osella, A., de la Vega, M., Lascano, E., 2002. Env. & Eng. Geophys. Soc.,  Electronic Ed.

  • Electrical characterization of a contaminant plume due to a hydrocarbon spill, Osella, A., De La Vega, M. y Lascano, E., 2002. J. Environmental and Engineering Geophys., 7 (2), 78-87.

  • Caracterización eléctrica de contaminantes en suelos saturados de agua (Electrical characterization of contaminants in water saturated soils). López, E., Martino, L., de la Vega, M., Osella, A., 2002. Anales de la Asociacion Física Argentina, 14, 285-288.

  • Joint inversión of Wenner and dipole-dipole data to study a gasoline contaminated zone, De la Vega, M., Osella, A. y Lascano, E., 2003. J. Appl. Geophys., 54, 97-109 (ISBN 0926-9851).

  • Fresnel reflection coefficients for GPR-AVA analysis and detection of seawater and NAPL contaminants, Carcione, J., Gei, D., Botelho, M., Osella, A. and de la Vega, M., 2006. Near Surface Geophysics, , 4 (4), 253-264 (ISBN 1569-4445).

  • Geoelectric and EMI methods to study soils with superficial leakages of hydrocarbons, V. Bongiovanni, N. Bonomo, M. de la Vega, A. Osella,  Near Surface 2007 - the 13th European Meeting of Environmental and Engineering Geophysics of the Near Surface Geoscience Division of EAGE. 3-5, Estambul, Turquía, September 2007.

  • Laterally filtered 1D inversions of small-loop, frequency-domain EMI data from a chemical waste site. Martinelli, H. P.; Duplaá, M. C., 2008. Geophysics, 73(4), F143–F149.

  • Hydrocarbon contaminated soil: geophysical-chemical methods for designing remediation and monitoring strategies, D. Coria, V. Bongiovanni, N. Bonomo, M. de la Vega, M.T. Garea, A. Osella, 2009, Near Surface, 7(3), 227-236.  

  • Small-loop electromagnetic induction for environmental studies at industrial plants, Martinelli, P. and Osella, A., 2010. Journal of Geophysics and Engineering, 7, 91-104.

  • Caracterización de zonas contaminadas por derrames recientes de hidrocarburos mediante métodos geofísicos (Characterization of areas contaminated by recent hydrocarbon spills by geophysical methods). Robledo, F. E., Martinelli, H. P., 2011. Geoacta, 36, 129-150.

  • Assessment of the distortions caused by a pipe and an excavation in the electric and electromagnetic responses of a hydrocarbon-contaminated soil. Martinelli, H. P.; Osella, A. M.; Robledo, F. E.; de la Vega, M., 2012. Journal of Applied Geophysics, 77, 21-29.

  • Detecting contaminants in aquifers through modeling of surface-downhole geoelectrical data, V. Bongiovanni, V. Grünhut and A. Osella, 2015, Near Surface Geoscience - 21th European Meeting of Environmental and Engineering Geophysics, Turin, Italy, 5 pp.  

 

Characterization of Buried Structures — Archaeogeophysics

  • Archaeological prospection of clay-brick walls using resistivity methods and GPR at San Julian Bay, Argentina, Lascano, E., Osella, A., de la Vega, M., Buscaglia, S., Lanata, J., 2002. Env. & Eng. Geophys. Soc.,  Electronic Ed.

  • GPR and Geoelectrical Surveys at a Patagonian Archaeological Site. Part I: Data analysis, Lascano, E., Osella, A., de la Vega, M., 2003. Ann. Soc. Braz. Geof., Electronic Ed.

  • GPR and Geoelectrical Surveys at a Patagonian Archaeological Site. Part II: Numerical Simulations de la Vega, M., Osella, A., Lascano, E., Carcione, J., 2003., Ann. Soc. Braz. Geof., Electronic Ed.

  • Geophysical Prospection at Floridablanca Archaeological site, San Julián Bay, Argentina. Lascano, E., Osella, A., de la Vega, Buscaglia, S., Senatore, X., Lanata, J.L., 2003. Archaeolog. Prospect., 10, 175.192 (ISBN 1075-2196).

  • Martinelli, P., Osella, A., Lascano, E., 2004. Simulación numérica de la respuesta electromagnética de estructuras resistivas, aplicada para interpretar datos adquiridos en un sitio arqueológico (Numerical simulation of the electromagnetic response of resistive structures, applied to interpret data acquired in an archaeological site). Ann. XXII Reunión Científica de la Asociación Argentina de Geofísica y Geodesia, electronic Ed., 5 pp.

  • 3D electrical imaging of an archaeological site using electric and electromagnetic methods Osella, A., de la Vega, M. and Lascano, E., 2005., Geophysics, 70 (4), 101-107 (ISBN 0016-8033).

  • Ground Penetrating Radar and Geoelectrical simulations of data from the Floridablanca archaeological site, de la Vega, M., Osella, A., Lascano, E., Carcione, J., 2005. Archaeolog. Prosp., 12 (1), 19-30 (ISBN 1075-2196).

  • Electrical and GPR joint prospecting at the Palo Blanco archaelogical site, NW Argentina. A Case History, Geophysics, Martino, L., Bonomo., N., Lascano, E., Osella, A., Ratto, N., 2005. 71(6), 193-199 (ISBN 0016-8033).

  • GeophysicalProspection at a BuriedSpanish Fort in South Argentina, V. Bongiovanni, E. Lascano, A. Osella, S. Buscaglia, X. Senatore, 2005, EAGE 67ª Conference & Exhibition, Palermo, Italia.        

  • EMI data from an archaeological resistive target revisited Lascano, E., Martinelli, P. and Osella, A., 2006., Near Surface Geophysics, 4(6),395-400  (ISBN 1569-4445).

  • Planning an Organization. Cross-functional Perspectives on Spatial Construction in the Spanish Colony of Floridablanca (Patagonia, 18th century), Senatore, X., Buscaglia, S., Lascano, E., Bongiovanni, V., de la Vega, M. and Osella, A., 2008,  Historical Archaeology, 42 (4), 1-20 (ISBN 0440-9213).

  • Rapid evaluation of multifrequency EMI data to characterize buried structures at a historical Jessuit mission in Argentina, Bongiovanni, M.V., Bonomo, N., de la Vega, M., Martino, L., Osella, A., 2008. J. Appl. Geophys., Vol 64/1-2 pp 37-46  (ISBN 0926-9851).

  • GPR prospecting in a prehispanic village, NW Argentina Bonomo, N., Cedrina, L., Osella, A., Ratto, N., 2009., J. Appl. Geophys., 67 (1), 80-87 (ISBN 0926-9851).

  • Detecting and mapping a buried building with GPR at an ancient village in Northwestern Argentina, Bonomo, N., Osella, A. and Ratto, N., 2010. J. of Archaeological Science, 37, 3247-3255.

  • Geofísica aplicada a la arqueología: la localización del fuerte Sancti Spíritus (1527-1529), Puerto Gaboto, Provincia de Santa Fé (Geophysics applied to archeology: the location of Fort Sancti Spíritus (1527-1529), Puerto Gaboto, Province of Santa Fé). Cocco, G., Frittegotto, G., Bonomo, N, de la Vega, M., Martinelli, P., Osella, A., 2010. Proc. XVII Congreso Nacional de Arqueología Argentina, Chapter 27 - Simposium 27, Volume IV, pp. 1411-1416. Ed.: Facultad de Filosofía y Letras, UNCuyo, and INCIHUSA (Instituto de Ciencias Humanas, Sociales y Ambientales), CONICET. Editors: J. Roberto Bárcena and Horacio Chiavazza.

  • GPR-signal improvement using a synthetic emitter array. Cedrina, L., Bonomo, N. and Osella, A., 2011.  Journal of Applied Geophysics, 74, 123-130. 

  • Contribution of the geolectrical method to characterize mud walls in a very dry region and comparison with GPR. Bongiovanni, V., de la Vega and Bonomo, N, 2011. Journal of Archaeological Science, 38, 2243-2250.

  • Location and characterization of the Sancti Spiritus Fort from geophysical investigations. Bonomo, N.; Osella, A.; Martinelli, P.; de la Vega, M.; Cocco, G.; Letieri, F.; Frittegotto, G., 2012. Journal of Applied Geophysics, 83, 57-64.

  • GPR Mapping of an Inca Village in NW-Argentina. Osella, A., Bonomo, N. and Ratto, N, 2012. Near Surface Geoscience 2012: 18th European Meeting of Environmental and Engineering Geophysics of the Near Surface Geoscience Division of EAGE. Paris, 3-5 September 2012. Paper 39, 1-5.

  • Historia ambiental, arqueo-geofísica y geo-arqueología del oeste tinogasteño (Catamarca): su impacto y consecuencias en las sociedades del primer milenio. Ratto, N., Kligman, Montero, Bonomo, Hongn, Valero Garcés, Osella and Russo, 2012. Congreso de Arqueología del Periodo Formativo en Argentina. Instituto de Arqueología y Museo / ISES, CONICET-Universidad Nacional de Tucumán / Center for the Archaeology of the Americas, University of Exeter. Tafí del Valle, 11-13 Abril de 2012. http://www.ises.org.ar/arqueologia/trabajos_c_foros.php

  • GPR investigations at an Inca-Spanish site in Argentina. Bonomo, N., Osella, A. and Ratto, N., 2013. Near Surface Geophysic, 11, 449-456.

  • ERT for localizing 17th century tunnels at a Jesuit Mission in Buenos Aires, Argentina. Osella, A.; Grunhut, V.; Martinelli, P.; de la Vega, M.; Bonomo, N.; 2013. Book of Abstracts: Near Surface Geoscience 2013. 19th European Meeting of Environmental and Engineering Geophysics , Ed.  European Association of Geoscientists and Engineers, 5 pp.

  • Electrical imaging for localizing historical tunnels at an urban environment. Osella, A; Martinelli, P.; Grunhut, V.; de la Vega, M.; Bonomo, N.; Weissel, M., 2015. Journal of Geophysics and Engineering, 12, 674–685.

  • Prospección con GPR para localizar una cisterna y una galería en un sitio histórico urbano (GPR prospecting to locate a cistern and a gallery in an urban historical site). Bonomo, N.; Martinelli, P.; Osella, A.; de la Vega, M., 2016. Geoacta, 41(1), 50-64.

  • GPR and Geoelectical studies in a historical site in Buenos Aires, Argentina. Grunhüt, V., Martinelli, H. P., Bonomo, N. E., Bongiovanni, M. V., Pinio, A., Osella, A. M., 2017. Book of Abstracts: Near Surface Geoscience 2017. 23th European Meeting of Environmental and Engineering Geophysics. Ed: European Association of Geoscientists and Engineers (EAGE).

 

Diffusion Models Applied to Population Dynamics 

  • Simulando la dispersión humana en Sudamérica (Simulating human dispersion in South America), Lanata, J. L., Martino, L., Osella, A., 2005. In: Metodologías científicas aplicadas al estudio de los bienes culturales. Ed.: Pifferetti A. and Bolamaro R., 413-420.

  • Diffusion models in anisotropic media applied to South American paleo-indean dispersals, Martino, L., Osella, A., Dorso, C. and Lanata J. L., 2007. Phys. Rev. E, 76, 1 (ISSN 1539-3755).

  • A model to understand early human demographic variation and Mt haplogroup distribution in the Americas. Lanata, J. L., Martino, L., Osella, A, Carnese, R., 25th Southern Illinoois University Center for Biological and Archaeological Variation in the New World,  Carbondale, Illinois, USA, Abril 2008.

  • Demographic conditions necessary to colonize new spaces: The case for early human dispersal in the Americas José Luis Lanata, Luis Martino, Ana Osella and Arleen Garcia-Herbst, 2008., World Archaeology, 40 (4), 520-537 (ISSN 0043-8243).

  • Exploring the South America Human Dispersal Distinctiveness, José Luis Lanata, Arleen Garcia-Herbst, Luis Martino and Ana Osella, 2006. in The Prehistory of South-America, R. Kipnis & P. DeBlasis Ed., Univ. of Alabama Press, USA.

COMPLETED PHD. THESES

  • Patricia Martinelli. Title: Métodos de inducción electromagnética aplicados a modelos de tierra bidimensionales (Electromagnetic induction methods applied to two-dimensional earth models). Approved March 25th, 1994. Director: Ana Osella. Qualification: Outstanding.

  • Eduardo Colombo. Title: Investigación de radiación B en el rango de 1Tev de la variable AE AQUARIL (Investigation of B radiation in the 1Tev range of the variable AE AQUARIL. Approved March 12, 1996. Director: Ana Osella, Codirector Dr. Trevor Weekes. Qualification: Outstanding

  • Nora Sabbione. Title: Implementación de la red de estaciones sismológicas de la Universidad Nacional de La Plata. Aplicaciones al estudio del riesgo sísmico (Implementation of the network of seismological stations of the National University of La Plata. Applications to the study of seismic risk). Approved: December 2004. Qualification: Outstanding.

  • Eugenia Lascano. Title: Métodos eléctricos y electromagnéticos aplicados a arqueo-geofísica (Electrical and electromagnetic methods applied to archeo-geophysics). Approved March 13, 2007. Director: Ana Osella. Qualification: Outstanding

  • Ernesto López. Title: Efectos de corrosión por actividad magnética (Corrosion effects by magnetic activity). Approved March 17, 2008. Director: Ana Osella. Qualification: Outstanding

  • Luis Martino. Title: Modelos de difusión aplicados al poblamiento Americano (Diffusion models applied to the American settlement). Approved: March 2009. Director: Ana Osella. Qualification: Outstanding with special mention.

  • Lorena Cedrina. Title: Procesamiento de Señales de Georradar: Implementación del Método de Arreglos Sintéticos de Antenas Emisoras (Processing of Georadar Signals: Implementation of the Method of Synthetic Arrangements of Emitting Antennas). Approved: December 2010. Director: Ana Osella, Assistant Director: Néstor Bonomo. Qualification: Outstanding.

  • Victoria Bongiovanni. Title: Desarrollo de un equipo para la detección rápida de anomalías eléctricas superficiales en regiones extensas y su aplicación para la caracterización de sitios (Development of an equipment for the rapid detection of superficial electrical anomalies in large regions and its application for the characterization of sites). Director: Matías de la Vega. Approved: March 29, 2010. Qualification: Outstanding.

  • Fabiana Robledo. Title: Innovaciones metodológicas en métodos geofísicos con aplicación a diversas problemáticas ambientales (Methodological innovations in geophysical methods with application to diverse environmental problems). Director: Patricia Martinelli. Approved: August 1st,  2014. Qualification: Outstanding.

PRESENTATIONS IN MEETINGS

  • Since 2000, more than 40 works have been presented in international meetings, and more than 60 in national meetings

CURRENT RESEARCH PROJECTS

The Group counts with research grants by Consejo Nacional de Investigaciones Científicas y Técnicas (Conicet, National Council of Scientific and Technical Research) and Agencia Nacional de Promoción Científica y Tecnológica (ANPCyT, National Agency for Scientific and Technological Promotion). The projects currently being developed are:

  • Métodos de modelado sísmico y eléctrico para la detección y monitoreo de eventos generados por inyección de fluidos en pozos (Seismic and electrical modeling methods for the detection and monitoring of events generated by injection of fluids in boreholes). Funds granted by Agencia Nacional de Promoción Científica y Tecnológica. Res. 270/15 PICT Raíces 1613/14. Director Ana Osella

  • Estudios mediante métodos geofísicos de flujos salinos y eventos  microsísmicos en reservorios (Studies using geophysical methods of saline flows and microseismic events in reservoirs). Funds granted by CONICET. PIP 2015/199 Res. 112 201501 00199 CO. Director Ana Osella

  • Innovaciones metodológicas orientadas a mejorar los resultados obtenidos con métodos geofísicos de prospección somera, con aplicación a estudios ambientales y a la caracterización de estructuras ingenieriles y arqueológicas, en zonas urbanas y suburbanas (Methodological innovations to improve the results obtained with near-surface geophysical methods, with application to environmental studies and characterization of engineering and archaeological structures, in urban and suburban areas). Funds granted by Conicet. PIP 2014-2016 N° 00226. Director Patricia Martinelli, Codirector Néstor Bonomo. Period: October 2016 – 12 de October 2019.

  • Avances metodológicos para mejorar la información obtenida con métodos electromagnéticos de prospección geofísica superficial, orientados a aplicaciones ambientales, ingenieriles y arqueológicas, en sitios urbanos y suburbanos (Methodological advances to improve the information obtained with electromagnetic methods of near-surface geophysical prospecting, oriented to environmental, engineering and archaeological applications, in urban and suburban sites). Funds granted by ANPCyT. Res. 270-15. PICT-2014-2285. Director: Patricia Martinelli. Period: January 2016 – January 2019.

TECHNOLOGICAL TRANSFERENCE

​STUDIES FOR GOVERNMENTAL ORGANIZATIONS, ONGs AND PRIVATE COMPANIES​

  • Effects of the natural electromagnetic field on gas pipelines as a cause of corrosion. March 1997. Company: Camuzzi Gas del Sur.

  • Corrosion effects in gas pipelines caused by telluric currents. June 1998. Company: Transportadora Gas del Sur.

  • Geophysical studies to determine the presence of contaminants in water tables along the Los Perales-Las Heras pipeline, Santa Cruz. Part I: zones FG11 and Eulalia. February 2001. Company: Repsol-YPF.

  • Geophysical studies to determine the presence of contaminants in water tables along the Los Perales-Las Heras pipeline, Santa Cruz. Part II: zones FG28, FG22, FG20, FG16 and FG12. May 2001. Company: Repsol-YPF.

  • Procedure evaluation for decontamination of PCB transformers. November-December 2002. Company: Tredi Argentina S. A. (OAT 200/02).

  • Procedure evaluation for dechlorination of oils contaminated with PCB. July 2003. Company: Tredi Argentina S. A. (OAT 200/03).

  • Geophysical studies in the Jesuit Missions of San Ignacio, Misiones. April-June 2006. Organization: World Monument Funds (OAT 20/06).

  • Geophysical study in search of tunnels of the Hispanic period in the Avellaneda Park. September–December 2006. Contract with the División de Arqueología Urbana del Gobierno de la Ciudad de Buenos Aires, en colaboration with Unión Vecinal del Parque Avellaneda.

  • Joint geophysical study with GPR and electromagnetic induction method for the characterization and delimitation of a contamination plume in the gas station Elosegui, located in Cipolletti, Río Negro Province, Argentina. May 2008. Company YPF-Repsol.

  • Geophysical studies in the framework of archaeological tasks of the Project of valorization of the Taylor Customs building. Company Dycasa S.A., Octubre- Noviembre 2009 (OAT 55/09).

  • Geophysical study for the characterization of buried structures in the sectors corresponding to the Office of the Attorney General and current parking lot in Manzana de las Luces historical site). Company: SCA (Sociedad Civil de Arquitectos), Mayo-Junio 2011 (OAT 10/11).

  • Geophysical studies to characterize the archaeological remains of the Sancti Spíritus fort). First Campaign: November 2008, second campaign: May 2010 and third campaign October 2011. With archaeologists  Guillermo Frittegotto, Gabriel Cocco y Fabián Letieri.

  • Geophysical prospecting using GPR on a statue in the City of Buenos Aires. April 2013. Technical assistance for National University of La Plata.

  • Characterization of column bases from electrical resistivity tomography. May-August 2016. Technical assistance for the company Bridgestone Argentina SAIC.

 

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