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G. Santos · SciRah

Researcher profile · Semantic Scholar

G. Santos

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G. Santos — researcher profile on SciRah

h-index: 36
Works: 142
Citations: 4,450

Most-cited papers

ATMOSPHERIC RADIOCARBON FOR THE PERIOD 1950–2019
Q. Hua, J. Turnbull, G. Santos, Andrzej Rakowski +8 more
2021Radiocarbon: An International Journal of Cosmogenic Isotope Research341 citations Open access
Semantic Scholar
Ultra small-mass AMS 14C sample preparation and analyses at KCCAMS/UCI Facility
G. Santos, J. Southon, S. Griffin, S. Beaupré +1 more
2007244 citations Open access
Semantic Scholar
Recent (< 4 year old) leaf litter is not a major source of microbial carbon in a temperate forest mineral soil
C. Kramer, S. Trumbore, M. Fröberg, L. C. Dozal +4 more
2010141 citations Open access
Semantic Scholar
Re-anchoring the late Pleistocene tephrochronology of New Zealand based on concordant radiocarbon ages and combined 238U/230Th disequilibrium and (U–Th)/He zircon ages
M. Danišík, P. Shane, A. Schmitt, A. Hogg +5 more
2012128 citations Open access
Semantic Scholar
Blank Assessment for Ultra-Small Radiocarbon Samples: Chemical Extraction and Separation Versus AMS
G. Santos, J. Southon, N. Drenzek, L. Ziolkowski +6 more
2010Radiocarbon: An International Journal of Cosmogenic Isotope Research100 citations Open access
Semantic Scholar
The Keck Carbon Cycle AMS Laboratory, University of California, Irvine: Status Report
R. K. Beverly, Will Beaumont, Denis Tauz, Kaelyn M. Ormsby +3 more
2010Radiocarbon: An International Journal of Cosmogenic Isotope Research96 citations Open access
Semantic Scholar
Life with MC-SNICS. Part II: Further ion source development at the Keck carbon cycle AMS facility
J. Southon, G. Santos
200781 citations
Semantic Scholar
Deep sea corals off Brazil verify a poorly ventilated Southern Pacific Ocean during H2, H1 and the Younger Dryas
A. Mangini, J. Godoy, M. L. Godoy, R. Kowsmann +4 more
201073 citations
Semantic Scholar
The Phytolith 14C Puzzle: A Tale of Background Determinations and Accuracy Tests
G. Santos, A. Alexandre, H. Coe, P. Reyerson +2 more
2010Radiocarbon: An International Journal of Cosmogenic Isotope Research71 citations Open access
Semantic Scholar
New highlights of phytolith structure and occluded carbon location: 3-D X-ray microscopy and NanoSIMS results
A. Alexandre, I. Basile-Doelsch, T. Delhaye, D. Borshneck +3 more
201468 citations Open access
Semantic Scholar
Smoke radiocarbon measurements from Indonesian fires provide evidence for burning of millennia-aged peat
E. Wiggins, C. Czimczik, G. Santos, Yang Chen +6 more
2018Proceedings of the National Academy of Sciences of the United States of America63 citations Open access
Semantic Scholar
Does Cedrela always form annual rings? Testing ring periodicity across South America using radiocarbon dating
J. Baker, G. Santos, M. Gloor, R. Brienen
2017Trees63 citations Open access
Semantic Scholar
Changes in Holocene tree cover density in Cabo Frio (Rio de Janeiro, Brazil): Evidence from soil phytolith assemblages
H. Coe, A. Alexandre, C. N. de Carvalho, G. Santos +3 more
201356 citations
Semantic Scholar
Towards producing pure phytolith concentrates from plants that are suitable for carbon isotopic analysis
Rémi Corbineau, P. Reyerson, A. Alexandre, G. Santos
201356 citations Open access
Semantic Scholar
Possible source of ancient carbon in phytolith concentrates from harvested grasses
G. Santos, A. Alexandre, J. Southon, K. Treseder +2 more
201256 citations Open access
Semantic Scholar
Matching Dendrochronological Dates with the Southern Hemisphere 14C Bomb Curve to Confirm Annual Tree Rings in Pseudolmedia rigida from Bolivia
L. Andreu-Hayles, G. Santos, David Herrera-Ramírez, J. Martín Fernández +4 more
2015Radiocarbon: An International Journal of Cosmogenic Isotope Research48 citations
Semantic Scholar
Rapid sample preparation of dissolved inorganic carbon in natural waters using a headspace‐extraction approach for radiocarbon analysis by accelerator mass spectrometry
Pan Gao, Xiao-Mei Xu, Liping Zhou, M. A. Pack +4 more
201447 citations Open access
Semantic Scholar
Behavioral Variability in ABA Chemical Pretreatment Close to the 14C Age Limit
G. Santos, Kaelyn M. Ormsby
2013Radiocarbon: An International Journal of Cosmogenic Isotope Research46 citations Open access
Semantic Scholar
Simple, Rapid, and Cost Effective: A Screening Method for 14C Analysis of Small Carbonate Samples
S. Bush, G. Santos, Xiao-Mei Xu, J. Southon +3 more
2013Radiocarbon: An International Journal of Cosmogenic Isotope Research44 citations
Semantic Scholar
Evaluation of iron and cobalt powders as catalysts for 14C-AMS target preparation
G. Santos, M. Mazon, J. Southon, S. Rifai +1 more
200744 citations
Semantic Scholar
Advances in the graphitization protocol at the Radiocarbon Laboratory of the Universidade Federal Fluminense (LAC-UFF) in Brazil
K. Macario, Fabiana M. Oliveira, C. Carvalho, G. Santos +15 more
201542 citations Open access
Semantic Scholar
Blank corrections for ramped pyrolysis radiocarbon dating of sedimentary and soil organic carbon.
A. Fernandez, G. Santos, E. K. Williams, Matthew A. Pendergraft +2 more
2014Analytical Chemistry40 citations Open access
Semantic Scholar
Intercomparison of 14C Analysis of Carbonaceous Aerosols: Exercise 2009
S. Szidat, G. Bench, V. Bernardoni, G. Calzolai +19 more
2013Radiocarbon: An International Journal of Cosmogenic Isotope Research40 citations Open access
Semantic Scholar
Annual growth rings in a sample of Paraná pine (Araucaria angustifolia): Toward improving the 14C calibration curve for the Southern Hemisphere
G. Santos, R. Linares, C. Lisi, M. Tomazello
201539 citations
Semantic Scholar
The local marine reservoir effect at Kalba (UAE) between the Neolithic and Bronze Age: An indicator of sea level and climate changes
S. Lindauer, G. Santos, A. Steinhof, Eisa A. Yousif +4 more
201736 citations Open access
Semantic Scholar
Unambiguous evidence of old soil carbon in grass biosilica particles
P. Reyerson, A. Alexandre, A. Harutyunyan, Rémi Corbineau +4 more
201635 citations Open access
Semantic Scholar
HPLC purification of higher plant-dervied lignin phenols for compound specific radiocarbon analysis.
A. Ingalls, E. Ellis, G. Santos, K. McDuffee +3 more
2010Analytical Chemistry35 citations Open access
Semantic Scholar
Understanding Holocene variations in the vegetation of Sao Joao River basin, southeastern coast of Brazil, using phytolith and carbon isotopic analyses
H. Coe, K. Macario, J. Gomes, K. Chueng +6 more
201434 citations
Semantic Scholar
Temporal deconvolution of vascular plant-derived fatty acids exported from terrestrial watersheds
J. Vonk, N. Drenzek, K. Hughen, R. Stanley +9 more
2019Geochimica et Cosmochimica Acta32 citations Open access
Semantic Scholar
Plant growth conditions alter phytolith carbon
Kimberley L. Gallagher, Alba Alfonso-García, Jessica Sánchez, E. Potma +1 more
2015Frontiers in Plant Science32 citations Open access
Semantic Scholar
Direct uptake of organically derived carbon by grass roots and allocation in leaves and phytoliths: 13 C labeling evidence
A. Alexandre, J. Balesdent, P. Cazevieille, C. Chevassus-Rosset +7 more
201532 citations Open access
Semantic Scholar
The phytolith carbon sequestration concept: Fact or fiction? A comment on “Occurrence, turnover and carbon sequestration potential of phytoliths in terrestrial ecosystems by Song et al. doi: 10.1016/ j.earscirev.2016.04.007”
G. Santos, A. Alexandre
201731 citations Open access
Semantic Scholar
Radiocarbon bomb-peak signal in tree-rings from the tropical Andes register low latitude atmospheric dynamics in the Southern Hemisphere.
S. Ancapichún, R. De Pol-Holz, D. Christie, G. Santos +8 more
2021Science of the Total Environment30 citations Open access
Semantic Scholar
Radiocarbon analysis confirms annual periodicity in Cedrela odorata tree rings from the equatorial Amazon
G. Santos, D. Granato‐Souza, A. C. Barbosa, R. Oelkers +1 more
202029 citations Open access
Semantic Scholar
Black carbon aerosol dynamics and isotopic composition in Alaska linked with boreal fire emissions and depth of burn in organic soils
G. Mouteva, C. Czimczik, S. Fahrni, E. Wiggins +7 more
201528 citations Open access
Semantic Scholar
Palaeodietary inferences based on isotopic data for pre‐Hispanic populations of the Central Mountains of Argentina
Andrés G. Laguens, M. Fabra, G. Santos, D. A. Demarchi
200928 citations
Semantic Scholar
Bag of Tricks: A Set of Techniques and other Resources to Help 14C Laboratory Setup, Sample Processing, and Beyond
G. Santos, Xiao-Mei Xu
2016Radiocarbon: An International Journal of Cosmogenic Isotope Research24 citations
Semantic Scholar
Peer Reviewed Title: Carbon Isotope Measurements of Surface Seawater from a Time-Series Site off Southern California Author: Hinger,
E. Hinger, G. Santos, E. Druffel, S. Griffin
201023 citations
Semantic Scholar
Growth Assessment of Native Tree Species from the Southwestern Brazilian Amazonia by Post-AD 1950 14C Analysis: Implications for Tropical Dendroclimatology Studies and Atmospheric 14C Reconstructions
G. Santos, D. R. O. Rodriguez, Nathan de Oliveira Barreto, Gabriel Assis-Pereira +3 more
2021Forests20 citations Open access
Semantic Scholar
Source signatures from combined isotopic analyses of PM2.5 carbonaceous and nitrogen aerosols at the peri-urban Taehwa Research Forest, South Korea in summer and fall.
Saehee Lim, Meehye Lee, C. Czimczik, T. Joo +9 more
2019Science of the Total Environment20 citations Open access
Semantic Scholar
Nonannual tree rings in a climate‐sensitive Prioria copaifera chronology in the Atrato River, Colombia
David Herrera-Ramírez, L. Andreu-Hayles, J. I. del Valle, G. Santos +1 more
2017Ecology and Evolution20 citations Open access
Semantic Scholar
Δ14C and Δ13C of Seawater DIC as Tracers of Coastal Upwelling: A 5-Year Time Series from Southern California
G. Santos, Julie E. Ferguson, K. Acaylar, K. Johnson +2 more
2011Radiocarbon: An International Journal of Cosmogenic Isotope Research20 citations Open access
Semantic Scholar
A universal approach to alpha-cellulose extraction for radiocarbon analysis of 14C-free to post-bomb ages
G. Santos, Anita S.Y. Komatsu, Jazmine M. Renteria, A. Brandes +3 more
2022Quaternary Geochronology19 citations Open access
Semantic Scholar
Assessment of the regional fossil fuel CO2 distribution through Δ14C patterns in ipê leaves: The case of Rio de Janeiro state, Brazil
G. Santos, Fabiana M. Oliveira, Junghun Park, A. C. T. Sena +3 more
2019City and Environment Interactions18 citations Open access
Semantic Scholar
Using radiocarbon to constrain black and organic carbon aerosol sources in Salt Lake City
G. Mouteva, J. Randerson, S. Fahrni, Susan E. Bush +6 more
201718 citations Open access
Semantic Scholar
Supplementary material to "Application of the ECT9 protocol for radiocarbon-based source apportionment of carbonaceous aerosols"
Lin Huang, Wendy Zhang, G. Santos, B. Rodríguez +3 more
202017 citations Open access
Semantic Scholar
Reassessment of the C-13/C-12 and C-14/C-12 isotopic fractionation ratio and its impact on high-precision radiocarbon dating
S. Fahrni, J. Southon, G. Santos, S. Palstra +2 more
201717 citations Open access
Semantic Scholar
A comparison of U/Th and rapid‐screen 14C dates from Line Island fossil corals
Pamela R. Grothe, K. Cobb, S. Bush, Hai Cheng +5 more
201616 citations Open access
Semantic Scholar
Improved radiocarbon analyses of modern human hair to determine the year-of-death by cross-flow nanofiltered amino acids: common contaminants, implications for isotopic analysis, and recommendations.
G. Santos, Hector A. Martinez De La Torre, M. Boudin, M. Bonafini +1 more
2015Rapid Communications in Mass Spectrometry16 citations
Semantic Scholar
Radiocarbon measurements at LAC-UFF: Recent performance
R. Linares, K. Macario, G. Santos, C. Carvalho +5 more
201516 citations Open access
Semantic Scholar

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