Ramon Aravena

Idiomas

Áreas de atuação

Produções bibliográficas

• Pessenda, Luiz Carlos Ruiz ; Gouveia, Susy Eli Marques ; Ribeiro, Adauto de Souza ; De Oliveira, Paulo Eduardo ; ARAVENA, R. . Late Pleistocene and Holocene vegetation changes in northeastern Brazil determined from carbon isotopes and charcoal records in soils. Palaeogeography, Palaeoclimatology, Palaeoecology , p. .-., 2010.

• K. Cheung ; Klassen, P. ; Mayer, B. ; Goodarzi, F. ; ARAVENA, R. . Major ion and isotope geochemistry of fluids and gases from coalbed methane and shallow groundwater wells in Alberta, Canada. Applied Geochemistry , v. 25, p. 1307-1329, 2010.

• Garfias, J ; Arroyo, N. ; ARAVENA, R. . Hydrochemistry and Origins of Mineralized Waters in the Puebla Aquifer System, Mexico.. Transactions of the Royal Society of Edinburgh. Earth Sciences (Cessou em 2007. Cont. ISSN 1755-6910 Earth and Environmental Science Transactions of t , v. 59, p. 1789-1805, 2010.

• Hancox, R. ; Garfias, J ; ARAVENA, R. ; Rudolph, D . Susceptibility of an over-exploited volcanic aquifer system to contamination along a mountain boundary, Toluca Basin, Mexico. Australian Journal of Earth Sciences , v. 59, p. 1643-1660, 2010.

• Shouakar-Stash, O. ; Frape, O. ; ARAVENA, R. ; Gargini, A. ; Pasini, M. ; Drimmie, R.J. . Analysis of compound-specific chlorine stable isotopes of vinyl chloride by continuous flow-isotope ratio mass spectrometry (CF-IRMS).. Environmental Forensics , v. 10, p. 299-306, 2009.

• Pessenda, Luiz Carlos Ruiz ; De Oliveira, Paulo Eduardo ; Mofatto, M. ; Brito de Medeiros, V. ; Garcia, R.J.F. ; ARAVENA, R. ; Bendassoli, J.A. ; Saad, A.R. ; Etchebehere, M.L. . The evolution of a tropical rainforest/grassland mosaic in southeastern Brazil since 28,000 14C yr BP based on carbon isotopes and pollen records. Quaternary Research (Print) , v. 71, p. 437-452, 2009.

• Abe, Y. ; ARAVENA, R. ; Zopfi, J. ; Shouakar-Stash, O. ; Cox, E. ; Roberts, J.D. ; Hunkeler, D. . Carbon and chlorine isotope fractionation during aerobic and reductive dechlorination of vinyl chloride and cis-1,2- dichloroethene. Environmental Science & Technology , v. 43, p. 101-107, 2009.

• Abe, Y. ; ARAVENA, R. ; Zopfi, J. ; Parker, B. ; Hunkeler, D. . Evaluating the fate of chlorinated ethenes in streambed sediments using stable isotope, geochemical and methods microbial. Journal of Contaminant Hydrology , v. 107, p. 10-21, 2009.

• Petitta, M. ; Fracchiolla, D. ; ARAVENA, R. ; Barbieri, M. . Application of isotopic and geochemical tools for the evaluation of nitrogen cycling in an agricultural basin, the Fucino Plain, Central Italy. Journal of Hydrology (Amsterdam) , v. 372, p. 124-135, 2009.

• Lesser, L.E. ; Johnson, P.C. ; ARAVENA, R. ; Klassen, P. ; Spinnler, G. ; Bruce, C. . Assessing stable isotope techniques as diagnostic tools to evaluate aerobic MTBE biodegradation at Port Hueneme, CA.. Environmental Science & Technology , v. 42, p. 6637-6643, 2008.

• Pessenda, Luiz Carlos Ruiz ; Gouveia, Susy Eli Marques ; Ledru, M.P. ; ARAVENA, R. ; Ricardi-Branco, F.S. ; Bendassolli, J.S. ; Ribeiro, A. ; Saia, S. E. M. G. ; Sifeddine, A. ; Menor, E. ; de Oliveira, S.M.B. ; Cordeiro, R.C. ; de M. Freitas, A. ; Boulet, R. ; Filizola, H.F. . Interdisciplinary paleovegetation study in the Fernando de Noronha Island (Pernambuco State), northeastern Brazil. Anais da Academia Brasileira de Ciências (Impresso) , v. 80, p. 677-691, 2008.

• Horst, A. ; Mahlknecht, J. ; Merkel, B. ; ARAVENA, R. . Evaluation of recharge processes and irrigation effects on groundwater by using CFCs and radiogenic isotopes in the Silao-Romita aquifer, Mexico. Hydrogeology Journal , v. 16, p. 1601-1614, 2008.

• Bouchard, D. ; Hunkeler, D. ; Gaganis, P. ; ARAVENA, R. ; Höhener, P. . Carbon isotope fractionation during diffusion and biodegradation of petroleum hydrocarbons in the unsaturated zone: field experiment at V rl se Airbase, Denmark, and modeling. Environmental Science & Technology , v. 42, p. 596-601, 2008.

• Saia, S. E. M. G. ; Pessenda, Luiz Carlos Ruiz ; Gouveia, Susy Eli Marques ; ARAVENA, R. ; Bendassoli, J.A. . Late glacial maximum (LGM) vegetation changes in the Atlantic Forest, southeastern Brazil. Quaternary International , v. 184, p. 195-201, 2008.

• Palau, J. ; Soler, A. ; Teixidor, P. ; ARAVENA, R. . Compound-specific carbon isotope analysis of volatile organic compounds in water using solid-phase microextraction. Journal of Chromatography. B (Print) , v. 1163, p. 260-268, 2007.

• Chapman, S.W.M. ; Parker, B. ; CHERRY, J. ; ARAVENA, R. ; Hunkeler, D. . Groundwater-surface water interaction and its role on TCE groundwater plume attenuation.. Journal of Contaminant Hydrology , v. 91, p. 203-232, 2007.

• Squeo, F.A. ; ARAVENA, R. ; Aguirre, E. ; Pollastri, A. ; Jorquerra, C.B. ; Ehleringer, J.R. . Groundwater dynamics in a coastal aquifer in North-central Chile: Implications for groundwater recharge in an arid ecosystem. Journal of Arid Environments , v. 67, p. 240-254, 2006.

• Cunha, M.E.T. ; Yabe, M.J.S. ; Lobo, I. ; ARAVENA, R. . Isotopic composition as a tool for assessment of origin and dynamic of organic matter in tropical freshwater. Environmental Monitoring and Assessment (Print) , v. 121, p. 461-478, 2006.

• Squeo, F.A. ; Warner, B.G. ; ARAVENA, R. ; Espinoza, D. . Peatlands in the Arid Grasslands of the Central Andes. Revista Chilena de Historia Natural (Impresa) , v. 79, p. 245-255, 2006.

• Mahlkneched, J. ; Gárfias-Soliz, J.M. ; ARAVENA, R. ; Tesch, R. . Residence time and renewability of groundwater in the Independence Aquifer, Guanajuato, Mexico, based on isotopic and geochemical studies. Journal of Hydrology (Amsterdam) , v. 324, p. 283-300, 2006.

• Asada, T. ; Warner, B.G. ; ARAVENA, R. . Effects of the early stage of decomposition on change in carbon and nitrogen isotopes in Sphagnum litter. Journal of Plant Interactions (Print) , v. 4, p. 229-237, 2005.

• Ernani, F.R.F. ; Bittencourt, A.B.L. ; Hindi, E.C. ; ARAVENA, R. . Caracterizacao hidroquimica do aquifero Guarani na porcao Centro-Norte do Estado de Parana.. Águas Subterrâneas (São Paulo) , v. 19, p. 87-94, 2005.

• Asada, T. ; Warner, B.G. ; ARAVENA, R. . Nitrogen isotope signature variability in plant species from open peatland.. Aquatic Botany , v. 82, p. 297-307, 2005.

• Hunkeler, D. ; ARAVENA, R. ; Berry Spark, K. ; Cox, E. . Assessment of degradation pathways at a site with mixed chlorinated hydrocarbon contamination using stable isotope analysis.. Environmental Science & Technology , v. 39, p. 5975-5981, 2005.

• Pessenda, Luiz Carlos Ruiz ; Ledru, M.P. ; Gouveia, Susy Eli Marques ; ARAVENA, R. ; Ribeiro, Adauto de Souza ; Bendassoli, J.A. . Holocene palaeoenvironmental reconstruction in Northeastern Brazil inferred from pollen, charcoal and carbon isotopes records.. Applied Geochemistry , v. 15, p. 812-820, 2005.

• Bouchard, D. ; Hunkeler, D. ; Höhener, P. ; ARAVENA, R. ; Broholm, M. ; Kjeldsen, P. . Use of stable isotope analysis to assess biodegradation of petroleum hydrocarbons in the unsaturated zone. Laboratory studies, field studies, and mathematical simulations.. Quaternary Research (Print) , v. 1, p. 17-38, 2005.

• Vitoria, L. ; Soler, A. ; ARAVENA, R. ; Canals, A. . Multi-isotopic approach ( 15N, 13C, 34S, 18O and D) for tracing agriculture contamination in groundwater (Maresme, NE Spain).. Journal of Contaminant Hydrology , v. 1, p. 137-147, 2005.

• Hunkeler, D. ; Chollet, N. ; Pittet, X. ; ARAVENA, R. ; CHERRY, J. ; Parker, B. . Effect of source variability and transport processes on carbon isotope ratios of TCE and PCE in two sandy aquifers.. Journal of Contaminant Hydrology , v. 74, p. 265-282, 2004.

• Pessenda, Luiz Carlos Ruiz ; Ribeiro, A. ; Gouveia, Susy Eli Marques ; ARAVENA, R. ; Boulet, R. ; Bendassoli, J.A. . Vegetation dynamics during the late Pleistocene in the Barreirinhas region, Maranhão State, northeastern Brazil, based on carbon isotopes in soil organic matter. Quaternary Research (Print) , v. 62, p. 183-193, 2004.

• Pessenda, Luiz Carlos Ruiz ; Gouveia, Susy Eli Marques ; ARAVENA, R. ; Boulet, R. ; Valencia, E.P.E. . Holocene fire and vegetation changes in southeastern Brazil as deduced from fossil charcoal and soil carbon isotopes. Quaternary International , v. 114, p. 35-43, 2004.

• ARAVENA, R. ; Wassenaar, L.I. ; Spiker, E.C. . Chemical and carbon isotopic composition of dissolved organic carbon in a regional confined methanogenic aquifer. Isotopes in Environmental and Health Studies , v. 40, p. 103-114, 2004.