Dr. Guaciara M. dos Santos
 (Guaciara dos Santos Winston)
Research Project Scientist III
KCCAMS/UCI Facility, Department of Earth System Science,
University of California, Irvine, CA 92697-3100
+1(949) 824-9851 (office)/ -3674 (lab)/ -3874(fax)
gdossant@uci.edu; http://www.ess.uci.edu/AMS
_________________________________________________________

On December 2011: ISI h-index 14; citations 710; number of papers 42

PUBLICATIONS IN REFEREED JOURNALS AND CONFERENCE PROCEEDINGS PAPERS
 
Manuscripts in Preparation

Guaciara M. Santos, Kaelyn Ormsby and Benjamin Fuller (in preparation). Can we blame discrepancies of year-of-birth 14C determination on Mom? Preliminary isotope results of fingernails of breastfed mother-infant pairs.

J. E. Ferguson, K. Johnson, G.M. Santos, L. Meyer, K. Acaylar  and A. Tripati  (in preparation). Developing radiocarbon within Mytilus californianus shells as a proxy of upwelling intensity.

2011

Guaciara M. Santos, Anne Alexandre, John R. Southon, Kathleen K. Treseder, Rémi Corbineau and Paul E. Reyerson (2011) Possible source of ancient carbon in phytolith concentrates from harvested grasses, Biogeosciences, in press.

Guaciara M. Santos, Julie Ferguson, Karla Acaylar, Kathleen R. Johnson, Ellen Druffel and Sheila Griffin. (2011) Δ14C and δ13C of seawater DIC as tracers of coastal upwelling: A 5-year time-series from Southern California, Radiocarbon 53(4): 669-677

Guaciara M. Santos (2011) Beyond archaeology: 14C-AMS and the global carbon cycle. Submitted to the proceedings of the IX Latin American Symposium on Nuclear Physics and Applications (published by the American Institute of Physics - AIP), in press.

Heloisa G Coe. Anne Alexandre, Cacilda N Carvalho, Guaciara M. Santos, Antonio S Silva, Leandro F Sousa, Igo F Lepsch.  (2011) Changes in Holocene tree cover density in Cabo Frio (Rio de Janeiro, Brazil)? Tracks from soil phytolith assemblages,  Quaternary International, in press.

Ronaldo J. Vivone, Maria Luiza D.P. Godoy, Jose M. Godoy, Renato Kowsmann and Guaciara M. Santos (2011) Method development for 234U and 230Th determination and the application to fossil coral and hydrocarbon seep dating from the region of the Campos Basin – Brazil, submitted to Journal of Brazilian Chemical Society.

Rafael Suárez and Guaciara M. Santos (2011) Cazadores-Recolectores Tempranos Y Supervivencia De Fauna Del Pleistoceno (Equus Sp. Y Glyptodon Sp.) Durante El Holoceno Temprano En La Frontera Uruguay-Brasil, SAB – Sociedade de Arqueologia Brasileira, volume 23, numero 2, pagina 22; in Spanish.

2010

Anitra E. Ingalls, Erin Ellis, Guaciara M. Santos, Kelsey McDuffee, Laura Truxal, Richard G. Keil, Ellen RM Druffel. HPLC Purification of Higher Plant-Derived Lignin Phenols for Radiocarbon Dating, Analytical Chemistry, 82: 8931–8938.

Guaciara M. Santos, John R. Southon, Nicholas J. Drenzek, Lori A. Ziolkowski, Ellen Druffel, Xaiomei Xu, Dachun Zhang, Susan Trumbore, Timothy I. Eglinton and Konrad A. Hughen 2010 Blank assessment for ultra-small samples: chemical extraction and separation vs. AMS, Radiocarbon 52(3): 1322-1335 (PDF).

E Druffel, D Zhang, X Xu, LA Ziolkowski, JR Southon, GM Santos and SE Trumbore. 2010Compound specific radiocarbon analyses of phospholipid fatty acids, alkanes and black carbon in oceanic sediments, Radiocarbon 52(3): 1215-1223 (PDF.)

Robert K. Beverly, Will Beaumont, Denis Tauz, Kaelyn M. Ormsby, Karl F. von Reden, Guaciara M. Santos, John R. Southon 2010 The Keck Carbon Cycle AMS Laboratory, University of California Irvine: Status report, Radiocarbon 52(2): 301-309. (PDF)

Kramer C, Trumbore S, Fröberg M, Dozal LMC, Zhang D, Xu X, Santos GM and Hanson P, Recent (<4 year old) Leaf Litter is Not a Major Source of Microbial Carbon in a Temperate Forest Mineral Soil, Soil Biology & Biochemistry, 42:1028-1037.

A. Mangini, J.M. Godoy, M.L. Godoy, R. Kowsmann, G.M. Santos, M. Ruckelshausen, A. Schroeder-Ritzrau, L. Wacker. Deep sea corals off Brazil verify a poorly ventilated Southern Pacific Ocean during H2, H1 and the Younger Dryas, Earth and Planetary Science Letters 293:269-276. .

Guaciara M. Santos, Anne Alexandre, Heloisa H.G. Coe, Paul E. Reyerson, John R. Southon, Cacilda N. De Carvalho. The Phytolith C puzzle: a tale of background determinations and accuracy tests, Radiocarbon 52(1):113-128 (PDF file).

Elise N. Hinger, Guaciara M. Santos, Ellen R.M. Druffel, and Sheila Griffin. Carbon Isotope Measurements of Surface Seawater from a Time-Series Site off Southern California, Radiocarbon 52(1):69-89 (PDF file).

2009

Nicholas J. Drenzek, Konrad A. Hughen, Daniel B. Montluçon, John R. Southon, Guaciara M. dos Santos, Ellen R. M. Druffel, Liviu Giosan, and Timothy I. Eglinton (2009), A new look at old carbon in active margin sediments, Geology, 37, 239-242

A.G. Laguens, M. Fabra, G.M. Santos and D.A. Demarchi (2009) Palaeodietary Inferences Based on Isotopic Data for Pre-Hispanic Populations of the Central Mountains of Argentina, International Journal of Osteoarchaeology 19: 237–249.

Guaciara M. Santos (2009) Comment on Atmospheric carbon isotope signatures in phytolith occluded carbon, Carter, J.A., Quaternary International, this volume (Forum Comment), Perspectives on Phytolith Research: 6th International Meeting on Phytolith Research, Quaternary International 193 (1-2):30-31.

2007

G.M. Santos, R.B. Moore, J.R. Southon, S. Griffin, E. Hinger and D. Zhang. AMS 14C sample preparation at the KCCAMS/UCI Facility: status report and performance of small samples. Radiocarbon 49(2): 255-269 (PDF file).

J. Southon, G.M. Santos and B. Han. Cs feed tests and emittance measurements on a modified MC-SNICS Ion Source for radiocarbon AMS. Radiocarbon, 49(2), 301-305 (PDF file).

G.M. Santos, J. Southon, S. Griffin , S.R. Beaupre and E.R. Druffel. Ultra small-mass 14C-AMS sample preparation and analysis at the KCCAMS Faclitity, Nuclear Instruments and Methods in Physics Research B (259): 293-302.

G.M. Santos, M. Mazon, J. Southon, S. Rifai and R.B. Moore. Evaluation of iron and cobalt powder brands as suitable catalysts for 14C-AMS target preparation, Nuclear Instruments and Methods in Physics Research B (259): 308-315.

J.R. Southon and G.M. Santos. Life with MC-SNICS Part II: recent ion source development at the Keck Carbon Cycle AMS Facility, Nuclear Instruments and Methods in Physics Research B (259): 88-93.

2006

G.M. Santos, M. Fabra, A. Laguens, D. Demarchi, J.R. Southon, R.E. Taylor and D. George. 14C-AMS as a tool for archaeological investigation: Implications for Human Settlement in South America. Invited paper for: "The peopling of the Americas " International Symposium, December 16 to 22, 2006 at the Capivara National Park, Piaui, Brazil (PDF file)..

A.E. Ingalls S.R. Shah, R.L. Hansman, L.I. Aluwihare, G.M. Santos, E.R. Druffel and A. Pearson (2006) Quantifying archael autotropy in the mesopelagic ocean using natural radiocarbon, Proceedings of the National Academy of Sciences 103(17): 6442-6447.

M.L.D.P. Godoy, J.M. Godoy, R. Kowsmann, G.M. dos Santos and R.P. da Cruz (2006) 234U and 230Th Determination by FI-ICP-MS and application to Uranium-series disequilibrium in marine samples, Journal of Environmental Radioactivity 88(2): 109-117 (PDF file).

2005

J. Southon, G.M. Santos, E.R. Druffel, S. Griffin, S. Trumbore and X. Xu (2005) High throughput, high precision 14C AMS with small accelerator. International Symposium on Utilization of Accelerators, Dubrovnik , Croatia , 05-09 June 2005. Sponsor: IAEA. Paper available on-line.

M.I. Bird, L.K. Fifield, C.S.M. Turney and G.M. Santos, Dating close to the radiocarbon ‘barrier’, paper presented at 1 st Physics and Archaeology Meeting - discoveries and dated chronology(2005), Capivara National Park, Piaui, Brazil, April 2004 (English version is available on-line - ww.st-andrews.ac.uk/gg/Research/FEEA/Projects/ABOXdating.shtml; Portuguese version was reviewed by G.M. Santos and was also published at the FUMDHAMENTOS IV)

2004

J. Southon and G.M. Santos (2004) Life with MC-SNICS: Ion source development at the Keck AMS Facility, submitted to the Proceedings of Symposium of North Eastern Accelerator Personnel (SNEAP 2004) , McMaster University, Hamilton, Canada (PDF file).

G.M. Santos and J. Southon (2004) SNEAP 2004 Laboratory report: KCCAMS Facility, UC Irvine, submitted to the Proceedings of Symposium of North Eastern Accelerator Personnel (SNEAP 2004) , McMaster University, Hamilton, Canada (PDF file).

G.M. Santos, J.R. Southon, K.C. Druffel-Rodriguez, S. Griffin and M. Mazon (2004) Magnesium perchlorate as an alternative water trap in AMS graphite sample preparation: a report on sample preparation at the KCCAMS Facility at the University of California, Irvine, Radiocarbon 46(1): 165-173 (PDF file).

J. Southon and G.M. Santos (2004) Ion source development at the KCCAMS, University of California, Irvine, Radiocarbon 46 (1): 33-39.

J. Southon, G.M. Santos, K. Druffel-Rodriguez, E. Druffel, S. Trumbore, X. Xu, S. Griffin, S. Ali and M. Mazon (2004) The Keck Carbon Cycle AMS Laboratory, University of California, Irvine: Initial operation and a background surprise, Radiocarbon 46 (1): 41-49.

E.R.M. Druffel, S. Griffin, J. Hwang, T. Komada, S.R. Beaupre, K.C. Druffel-Rodriguez, G.M. Santos and J. Southon (2004) Variability of monthly radiocarbon during the 1760s in corals from the Galapagos Islands, Radiocarbon 46 (2):627-631.

P.R.S. Gomes, G.M. Santos, K.C. Ferraz, A.N. Marques, Jr, R.C. Cordeiro, J.A. Barbosa and E.V. Silva (2004) Applications of AMS 14C Measurements in Environmental and Economical Problems, Nuclear Physics A, Volume 734, Supplement 1: E116-E119.

K.C. Ferraz, A.N. Marques Jr., E.G. Rodriguez, G.M. Santos and P.R.S. Gomes (2004) Use of 14 C - AMS in the Study of Biological Production in Coastal Upwelling Areas, Brazilian Journal of Physics, vol. 34, no. 3A, 732-736.

J.A. Barbosa, R.C. Cordeiro, E.V. Silva, B. Turcq, G.M. Santos, P.R.S. Gomes, A Sifedinne, A.L.S. Albuquerque, L.D. Lacerda, P.A. Hausladen, S.G. Tims, L.K. Fifield, V.A. Levchenco (2004) 14C AMS as a Tool for the Investigation of Mercury Deposition at Remote Amazon Location, Nuclear Instruments and Methods in Physics Research B (223-24): 528-534.

2003

G.M. Santos, M.I. Bird, L.K. Fifield, F. Parenti, N. Guidon and P.A. Hausladen (2003) The Controversial Antiquity of the peopling of the Americas: A Review of the Chronology of the Lowest Occupation Layer in the Pedra Furada Rock Shelter, Piauí, Brazil, Quaternary Science Reviews 22: 2303-2310.

M.I. Bird, L.K. Fifield, G.M. Santos, P.B. Beaumont, Y. Zhou, M.L. di Tada and P.A. Hausladen (2003)Radiocarbon Dating from 40-60 ka BP at Border Cave, South Africa, Quaternary Science Reviews22: 943-947.

2002

M.G. Leavesley, M.I. Bird, L.K. Fifield, P.A. Hausladen, G.M. Santos and M.L. di Tada (2002) Buang Merabak: Early evidence for human occupation in the Bismarck Archipelago, Papua New Guinea, Australian Archaeology 54: 55-57.

N. Guidon, A.M. Pessis, F. Parenti, C. Guerin E. Peyre and G.M. dos Santos (2002) Pedra Furada , Brazil : Paleoindians, Paintings and Paradoxes, an interview published in Athena Review (Quartely Journal of Archaeology, History and Exploration) 3(2): 42-52.

2001

C.S.M. Turney, M.I. Bird, L.K. Fifield, A.P. Kershaw, R.G. Cresswell, G.M. Santos, M.L. di Tada, P.A. Hausladen and Z. Youping (2001) Development of a Robust 14C chronology for Lynch's Crater (North Queensland, Australia) Using different Pretreatment Strategies, Radiocarbon 43 (1):45-54 .

C.S.M. Turney, A.P. Kershaw, P. Moss, M.I. Bird, L.K. Fifield, R.G. Cresswell, G.M. Santos, M.L. di Tada, P.A. Hausladen and Y. Zhou (2001) Redating the onset of Burning at Lynch’s Crater (North Queesland): Implications for Human Settlement in Australia, Journal of Quaternary Science 16 (8):767-771.

M.A. Smith, M.I. Bird, C.S.M. Turney, L.K. Fifield, G.M. Santos, P.A. Hausladen and M.L. di Tada (2001) New Abox AMS-14C ages remove dating anomalies at Puritjarra Rock Shelter. Australian Archaeology 53:45-47.

S.H. Lee, J. Gastaud, J.J. La Rosa, L. Liong Wee Knwong, P.P. Povinec, E. Wyse, L.K. Fifield, P.A. Hausladen, M.L. di Tada and G.M. Santos (2001)Analysis of Plutonium Isotopes in Marine Samples by Radiometric, ICP-MS and AMS Techniques, Journal of Radioanalytical and Nuclear Chemistry 248(3): 757-764.

G.M. Santos , M.I. Bird, B. Pillans, L.K. Fifield, B.V. Alloway, J. Chappell and P.A. Hausladen (2001) Radiocarbon Dating of Wood using a Different Pretreatment Procedures: Application to the Chronology of Rotoehu Ash, New Zealand, Radiocarbon 43 (2A): 239-248.

G.M. Santos, R.C. Cordeiro, E. V. Silva Filho, B. Turcq, L.D. Lacerda, L.K.Fifield, P.R.S. Gomes, P.A. Hausladen and A. Sifeddine (2001) Chronology of Atmospheric Mercury in Lagoa da Pata Lake, Upper Rio Negro Region of Brazilian Amazon, Radiocarbon 43 (2B):801-808.

L.K. Fifield, M.I. Bird, C.S.M. Turney, P.A. Hausladen, G.M. Santos and M.L. di Tada, Radiocarbon Dating of the Human Occupation of Australia prior to 40ka B.P. - Successes and Pitfalls (2001) Radiocarbon 43 (2B):1139-1145.

2000

G.M. Santos , J.C. Acquadro, P.R.S. Gomes, R.M. Anjos, R. Liguori Neto, N. Added, N.H. Medina, N. Carlin, M.L. di Tada, R.G. Cresswell and L.K. Fifield (2000) The Brazilian Bragg Curve Detector Built for AMS Studies, Nuclear Instruments and Methods in Physics Research B 172: 310-315.

G.M. Santos , P.R.S. Gomes, R.M. Anjos, R.C. Cordeiro, B.J. Turcq, A. Sifeddine, M.L. di Tada, R.G. Cresswell and L.K. Fifield (2000) 14 C AMS Dating of Fires in the Central Amazon Rain Forest, Nuclear Instruments and Methods in Physics Research B 172:761-766.

P.R.S. Gomes, R.M. Anjos, G.M. Santos, J.C. Acquadro, K.D. Macario, R. Liguori Neto, N. Added, M.M. Coimbra, C.R. Appoloni, N.V. de Castro Faria, S.D. Magalhães and R. Donangelo (2000) Current Status of the Brazilian AMS Program, Nuclear Instruments and Methods in Physics Research B 172: 82-86.

P.R.S. Gomes, R.M. Anjos, J.C. Acquadro, G.M. Santos, K.D. Macario, R. Liguori Neto, N. Added, R.C. Cordeiro, B.J. Turcc, A. Sifeddine, M.M. Coimbra, C.R. Appoloni, M.L. di Tada, R.G. Cresswell and L.K. Fifield (2000) Implementation of the Accelerator Mass Spectrometry Technique in Brazil and Environmental Studies in Central Amazon Forest, Acta Physica Hungarica New Series-Heavy Ion Physics 11(3-4): 485-496.

1999

G.M. Santos, P.R.S. Gomes, R.M. Anjos, R.C. Cordeiro, B.J. Turcc, A. Sifeddine, M. di Tada, R.G. Cresswell and L.K. Fifield (1999) Utilização da Técnica de 14C - AMS em Datação de Fragmentos de Carvão de Solos do Período do Holoceno na Floresta Amazônica (Região Manaus) ( 14C – AMS dating of charcoal fragments from Holocene soil in the Amazon Rainforest (Manaus Region) (in Portuguese), Revista de Física Aplicada e Instrumentação 14(1):1-11.

 G.M. Santos, P.R.S. Gomes, Y. Yokoyama, M.L. di Tada, R.G. Cresswell, L.K. Fifield (1999) Datação por 14C através de Espectrometria de Massa com Aceleradores de Partículas ( 14 C dating by Accelerator Mass Spectrometry) (in Portuguese), Revista de Física Aplicada e Instrumentação14(1):18-26

A.M.M. Maciel, P.R.S. Gomes, J. Lubian, R.M. Anjos, R. Cabezas, S.B. Moraes, C. Muri, M. M. Sant’Anna, G.M. Santos, R. Liguori Neto, N. Added, N. Carlin and C. Tenreiro (1999) Effect of the 6,7Li Breakup Process on the Near Barrier Elastic Scattering with Heavy Nucleus, Physical Review C 59:2103

G.M. Santos , P.R.S. Gomes, R.M. Anjos, J. Lubian, R.C. Cordeiro, B.J. Turcc, A. Sifeddine, M.L. di Tada, R.G. Cresswell and L.K. Fifield (1999) Application of Accelerator Mass Spectrometry on Environmental Studies concerning Ages of Holocene Fires in Central Amazon Forest, Proceedings of the II Intrenational Symposium on Nuclear and Related Techniques in Agriculture, Industry and Environmental Studies (1999), Havana, Cuba (Research Communication in special volume – in English).

R.C. Cordeiro, G.M. Santos, B.J. Turcc, P.R.S. Gomes, A. Sifeddine, R.M. Anjos, L.K. Fifield, M.L. di Tada and R.G. Cresswell (1999) Datações em Amostras de Carvão de Solo de Floresta de Terra Firme da Amazônia Central, Proceedings of the Congresso da Associação Brasileira dos Estudos do Quaternário (1999), Porto Seguro, Brazil (Research Communication in special volume – in Portuguese).

1998

G.M. Santos, J.C. Acquadro, R.M. Anjos, N. Added, R. Liguori Neto, P.R.S. Gomes, N.H. Medina, N. Carlin Filho and M.A. Rizzuto (1998) A Bragg Detector Built for AMS Purposes(in English), Revista de Física Aplicada e Instrumentação 13(3):39-43

A. Zerwekh, R. Liguori Neto, N. Added, J.C. Acquadro, N. Carlin, M. Frizzarini, F. Malandrino, J. Lubian, R. Cabezas, P.R.S. Gomes, R.M. Anjos, G.M. Santos, A.M.M. Maciel, C. Muri, S.B. Moraes, G. Ramirez and C. Tenreiro (1998) Elastic Scattering of 27Al + 27Al at Near Barrier Energies, Physical Review C 58(6):3445

C. Muri, R.M. Anjos, R. Cabezas, P.R.S. Gomes, S.B. Moraes, A.M.M. Maciel, G.M. Santos, J. Lubian, M.M. Sant' Anna, C. Tenreiro, R. Liguori Neto, J.C. Acquadro and P.A.B. Freitas (1998) Elastic, Inelastic Scattering and Fusion of the 14N + 59Co System at Energies Close to the Coulomb Barrier, European Physical Journal A 1:143-149.

G.M. Santos, R.M. Anjos, P.R.S. Gomes, A.M.M. Maciel, R. Liguori Neto, J.C. Acquadro, N. Added, N. Carlin and M.A. Rizzuto (1998) Results of a Bragg Detector Built for the AMS Program, Proceedings of the XX Brazilian Meeting, Aug-Sept 1997, Brazil; C.L. Lima, V.R. Vanin, L. Tomio, O.D. Goncalves and S.R. Souza (Eds.); World Scientifc(1998), 427.

1997

G.M. Santos, J.C. Acquadro, R.M. Anjos, P.R.S. Gomes, C. Tenreiro, R. Liguori Neto, U. Schinitter, N.H. Medina, N. Carlin Filho, N. Added, A.M.M. Maciel, M.A. Rizzuto, M.M. Coimbra and C.R. Appoloni (1997) Iplementação da Técnica de Especroscopia de Massa com Aceleradores - AMS - no Brasil (Implementation of Accelerator Mass Spectrometry - AMS - in Brazil)(in Portuguese), Revista de Física Aplicada e Instrumentação 12(2):72-80

G.M. Santos, J.C. Acquadro, R.M. Anjos, P.R.S. Gomes, C. Tenreiro, R. Liguori Neto, M.M. Coimbra, C.R. Appoloni, A.M.M. Maciel, N.H. Medina, M.A. Rizzuto and N. Carlin Filho (1997)Brazilian Acelerator Mass Spectrometry Program, Nuclear Instruments and Methods in Physics Research B 123:34-38.

P.R.S. Gomes, A.M.M. Maciel, R.M. Anjos, S.B. Moraes, R. Liguori Neto, R. Cabezas, C. Muri, G.M. Santos and J.F. Liang (1997) Transfer Reactions as Doorway to Fusion, Journal of Physics G23:1315.

R.M. Anjos, C. Muri, S.B. Moraes, R. Cabezas, P.R.S. Gomes, C. Tenreiro, R. Liguori Neto, A.M.M. Maciel and G.M. Santos(1997) Can Fusion, Elastic and Inelastic Scattering of Heavy Ions be Understood, Without a Simultaneos Analysis of Them? Journal of Physics G23:1423.

J. Lubian, R. Cabezas, P.R.S. Gomes, R.M. Anjos, A.M.M. Maciel, S.B. Moraes, C. Muri, G.M. Santos and R. Capote (1997) Nuclear Shape Predictions from Heavy Ion Reactions at Energies near Coulomb Barrier, Proceedings of theInternational Conference on Nuclear Data for Science and Technology (1997), Trieste, Italy. The Conference Proceedings were published in the Conference Series of the Italian Physical Society.

1996

P.R.S. Gomes, R.M. Anjos and G.M. Santos, The Accelerator Mass Spectrometry (AMS) Technique, Proceedings of the VII Simposio da Sociedad Cubana de Física (1996),Havana, Cuba (Research Communication in special volume).

1995

C.E. Fellows, G.M. dos Santos , C.A. Massone and J. Verges (1995) A Na 2 X 1Σ + g and (1) 1Π g Eletronic States Long Range Analysis; Zeitchrift fur Physik D32:321-327

  WORKSHOPS AND CONFERENCES ATTENDED

2009

20th International Radiocarbon Conference, Hawaii, USA, May 2009.

  • "Blank assessment for ultra-small samples: chemical extraction and separation vs. AMS" G.M. Santos et al.; p.123 (P-86).
  • “Compound specific radiocarbon analyses of phospholipid fatty acids, alkanes and black carbon in oceanic sediments" E. Druffel et al.; p.122 (P-83).
  • “The Keck Carbon Cycle AMS laboratory, University of California Irvine: Status report" R. Beverly et al. p.73 (P-4).

2008

11th International Conference on Accelerator Mass Spectrometry, Rome, Italy, Sep 2008

  • "The Phytolith C puzzle: a tale of background determinations and accuracy tests" G.M. Santos et al.; p.93 (P1_107).
  • “Carbon Isotope Measurements of Surface Seawater from a Time-Series Site off Southern California" E. Hinger et al.; p.133 (P2_061).
  • “14C based source apportionment of small (<100micro-gC) samples of total organic carbon (TOC) and black carbon (BC) in ice from Naimona'nyi, Tibet" C. Czimczick et al. p.94 (p1_108).

2006

The peopling of the Americas International Symposium, December 16 to 22, 2006 at the Capivara National Park, Piaui, Brazil - Invited talk

  • "14C-AMS as a tool for archaeological investigation: Implications for Human Settlement in South America" G.M. Santos et al; available on line.

19th International Radiocarbon Conference, Keble College, Oxford, UK, April 2006.

  • “Technical progress in AMS 14C-AMS sample preparation at the KCCAMS Faclitity: Status report and performance of small samples ” G.M. Santos et al.; p.171 (118 P-66).
  • “Delta14C of Dissolved Inorganic Carbon in surface seawater from a time-series site of Southern California" G.M. Santos et al.; p.247 (183 P-32).
  • “Improving MC-SNICS: recent ion source development at the Keck Carbon Cycle AMS Facility” J.R. Southon and G.M. Santos; p.309 (229 P-78).

2005

10th International Conference on Accelerator Mass Spectrometry, Berkeley, USA , Sep 2005.

    • “Ultra small-mass 14C-AMS sample preparation and analysis at the KCCAMS Faclitity” G.M. Santos et al.; p.81 (P-II D19).
    • “ Evaluation of iron and cobalt powder brands as suitable catalysts for 14C-AMS target preparation” G.M. Santos et al.; p.83 (P-II D25).
    • “Exploring the minimum sample size limit for CSRA: Lessons from Water column” A. Pearson et al.; p.46 (CMPD 3).
    • “Life with MC-SNICS Part II: recent ion source development at the Keck Carbon Cycle AMS Facility” J.R. Southon and G.M. Santos; p.3 (IONS 6).
  • The Chemical Oceanography Gordon Conference , Tilton School , Tilton , NH , Aug 2005.
    • “Prokaryotic metabolisms in the twilight zone” A.E. Ingalls et al.
  • Workshop: "The Chronosequence Approach for Studying Boreal Carbon Dynamics" , hosted by Claudia Czimczik and Sue Trumbore (2005), University of California , Irvine . California , USA , March 02-04, 2005 .

2004

  •  Symposium of North Eastern Accelerator Personnel (SNEAP 2004), McMaster University , Hamilton , Ontario , Canada , Oct 2004.
    • "Life with MC-SNICS: Ion source development at the Keck AMS Facility", J. Southon and GM. Santos.
    • "SNEAP 2004 Laboratory Report: KCCAMS Facility, UC Irvine", GM. Santos and JR. Southon

2003

  •  Ion Source Workshop , Middleton , Wisconsin , USA , Nov 2003
    • “UC Irvine - Ion source development”, J. Southon and GM. Santos.
  •  18 th International radiocarbon Conference, Wellington , New Zealand , Sep. 2003.
    • “Magnesium perchlorate as an alternative water trap in AMS graphite sample preparation: a report on sample preparation at the KCCAMS Facility at the University of California , Irvine ”, G.M. Santos et al; p.32(P-1-45).
    • “Ion source development at the KCCAMS Facility, University of California , Irvine ”,J. Southon and G.M. Santos; p.41(P-2-71).
    • “The Keck Carbon Cycle AMS Laboratory, University of California , Irvine : two installations, initial operation, and a background surprise”, J. Southon et al; p.23(11-C-1).
    • “Radiocarbon measurements in monthly coral bands during the 1760s from the Eastern equatorial Pacific Ocean : Ventilation chamges in the upper ocean annual and lomger timescales”, E. Druffel et al; p. 24(12-C-3).
  • The VIII International Conference on Nucleus-Nucleus Collisions (NN2003) , Moscow , Russia , 17-21 June, 2003
    • "Applications of AMS 14C measurements in environmental and economical problems", P.R.S. Gomes et al.

2002

  •  9th International Conference on Accelerator Mass Spectrometry, Nagoya , Japan , Sep 2002.
    • “Use of Radioactive and Stable Carbon Isotopes to Assess the Coastal Upwelling Contribution of Arraial do Cabo (Cabo Frio) – Brazil ”, K.C. Ferraz et al; p.
    • “14 C AMS as a Tool for the Investigation of Mercury Deposition at Remote Amazon Region”,
    • J.A. Barbosa et al; p
  • VIII International Congress Ecology, Biosphere-Atmosphere Interactions Symposium , Seoul , Korea , Aug 2002.
    • " Mercury deposition as a tracer of paleoclimatic events during the last 45,000 years BP, in the Brazilian Amazon (Pata Lagoon, Sao Gabriel da Cachoeira, AM)", J.A. Barbosa et al;

2001

  •  Seventh Australasian Conference on Isotopes in the Environment , Robertson , New South Wales , Australia , Sep 2001
    • “ Radiocarbon Dating Using an ABOX-SC (acid-base-wet oxidation pretreatment with stepped combustion) Procedure, as an Alternative Chemical Pre-treatment and Some Applications”, G.M. Santos et al.; p.59
  •  Congresso da Sociedade de Arqueologia Brasileira , Rio de Janeiro, RJ, Brazil, Sep 2001
    • “ Implementation of the Accelerator Mass Spectrometry Technique in Brazil (in Portuguese) . Implementação da técnica de espectrometria de massa com aceleradores - AMS - no Brasil.”, Coimbra et al.; Volume de Resumos da SAB2001, p.82

2000

  •  17th International Radiocarbon Conference, Judean Hills , Israel , Jun 2000
    • "Radiocarbon Dating of Ancient Sites in Australia Revisited", L.K. Fifield et al; p. 133
    • "Cronology of Atmospheric Mercury Deposition in the Amazon Region Brazil ", G.M. Santos et al; p. 209
    • "Radiocarbon Dating of Rotoehu Tephra, New Zealand", G.M. Santos et al; p. 210
  •  2000 Western Pacific Geophysics Meeting, National Olympic Memorial Youth Center (NYC), Shinjuku, Tokyo , Japan , June 27-30, 2000
    • "The Indian Ocean Sector of the Warm Pool; Two Modes of Operation During the Last 40,000 years", P. De Deckker et al; Abstract - OS32A-01
  •  Quaternary Studies Meeting , Canberra , Australia , Fev 2000
    • "Palaeoenvironmental Change on Land and at Sea in the Vicinity of Cape Range of Western Australia - 50,000 years Record un Ravelled using Numerous Proxies on Deep-sea Core", P. De Deckker et al; p. 21
    • "Cronologies from Accelerator Mass Spectrometry", L.K. Fifield et al; p. 34

1999

  •  II International Symposium on Nuclear and Related Techniques in Agriculture, Industry and Environmental Studies , Havana , Cuba , Oct 1999
    • "Application of Accelerator Mass Spectrometry on Environmental Studies concerning Ages of Holocene Fires in Central Amazon Forest ", G.M. Santos et al.
  •  3 rd Latin American Workshop on Heavy Ion Nuclear Physics , San Andres Islands , Colombia ,Sept 1999
    • "Accelerator Mass Spectrometry: Implementation of the Technique in Brazil and Application on Environmental Studies in Central Amazon Forest ", G.M. Santos et al; p.22
  •  8th International Conference on Accelerator Mass Spectrometry , Palais Auersperg, Vienna , Austria , Sept 1999
    • "Status and Plans for the Brazilian AMS Program", R. Liguori Neto et al; p.47
    • "The Brazilian Bragg Curve Detector Built for AMS Studies", G.M. Santos et al; p. 81
    • "14 C AMS Dating of Fires in the Central Amazon Rain Forest ", R.C. Cordeiro et al; p.175
  • Congresso da Associação Brasileira dos Estudos do Quaternário , Porto Seguro, Brazil, Aug 1999
    • "Datações em Amostras de Carvões de Solo de Floresta de Terra Firme da Amazônia Central", R.C. Cordeiro et al

1998

  •  XIX Reunião de Trabalho em Física Nuclear no Brasil , Itatiáia, Brazil, Sept 1998
    • "AMS no Laboratório Pelletron: Desenvolvimento e Testes", R. Liguori Neto et al; p. 66
    • "Espalhamento Elástico do 6,7Li + 138Ba a Energia Próxima a Barreira Coulombiana", A.M.M. Maciel et al; p. 126
  •  VII Escola de Verão Jorge André Swieca, Pelletron Lab., Universidade de São Paulo (USP), Brazil, Feb 1998

1997

  •  XX Reunião de Trabalho em Física Nuclear no Brasil, Guaratinguetá, Brazil, Aug-Sept 1997
    • "Results of a Bragg Detector Built for the AMS Program", G.M. Santos et al; p. 28

1996

  •  XIX Reunião de Trabalho em Física Nuclear no Brasil , Águas de Lindóia, Brazil,Sept 1996
    • "Resultados Recentes do Programa Brasileiro de AMS", J.C. Acquadro et al; p.3
    • "Espalhamento Elástico, Inelástico e Fusão do Sistema 14N + 59Co", C. Muri et al; p. 45
    • "Elastic Scattering of 27Al + 27Al at near Barrier Energies", A. Zerwekh; p. 8
  • 7th International Conference on Accelerator Mass Spectrometry , Tucson , Arizona , USA , May 1996
    • "Brazilian Accelerator Mass Spectrometry Program"; J.C. Acquadro et al; p.1
  •  International Conference on NUCLEAR DYNAMICS AT LONG AND SHORT DISTANCES, Angra dos Reis, Brazil , Apr 1996
    • "Brazilian Accelerator Mass Spectrometry Program", J.C. Acquadro et al; p. 87

 1995

  •  XVIII Reunião de Trabalho em Física Nuclear no Brasil , Águas de Lindóia, Brazil, Sept 1995
    • "Fusão e Evaporação de 9Be + 64Zn", S.B. Moraes et al; p.18
  •  XVIII Encontro Nacional de Física da Matéria Condensada, Caxambú, Brazil, Jun 1995
    • “Análise dos Estados Eletrônicos X 1 Σ + g e (1) 1 Π g da Molécula de Na 2 na Região de Longo Alcance"; G.M. Santos et al; p.24
    • "O Estudo do Estado Eletrônico Fundamental X 1 Σ + g ,da Molécula de Na 2, pela Técnica de Espectroscopia Transformada de Fourier Associada a Fluorescência Induzida", G.M. Santos et al; p.9 and 10

OTHER PUBLICATIONS

G.M. Santos , The Brazilian Bragg Detector (1998), Internal Research Report, Accelerator Mass Spectrometry Program - Department of Nuclear Physics (ANU), Canberra , Australia .

 OUTREACH ACTIVITIES

  • Participation in the David Culley Award of the Australian Nuclear Association (ANA) with project presented at the Third Conference on Nuclear Science and Engineering in Australia, Canberra , Australia , 27-28 October 1999
    • "Historical Rates of Erosion of the Australian Landscape as Measured with Beryllium-10",L.K. Fifield et al.