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G. Hartmann · SciRah

Researcher profile · Semantic Scholar

G. Hartmann

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G. Hartmann — researcher profile on SciRah

h-index: 22
Works: 81
Citations: 1,396

Most-cited papers

Correction: New Archaeological Evidence for an Early Human Presence at Monte Verde, Chile
T. Dillehay, C. Ocampo, J. Saavedra, A. Sawakuchi +10 more
2015PLoS ONE182 citations Open access
Semantic Scholar
Time evolution of the South Atlantic Magnetic Anomaly
G. Hartmann, I. G. Pacca
2009101 citations Open access
Semantic Scholar
Centennial-scale solar forcing of the South American Monsoon System recorded in stalagmites
V. Novello, M. Vuille, F. W. Cruz, N. Stríkis +8 more
2016Scientific Reports100 citations Open access
Semantic Scholar
Chronology of Terra Firme formation in Amazonian lowlands reveals a dynamic Quaternary landscape
F. Pupim, A. Sawakuchi, R. P. Almeida, C. Ribas +11 more
2019Quaternary Science Reviews95 citations Open access
Semantic Scholar
New Archaeological Evidence for an Early Human Presence at Monte Verde, Chile
T. Dillehay, C. Ocampo, J. Saavedra, A. Sawakuchi +10 more
2015PLoS ONE85 citations Open access
Semantic Scholar
Relating the South Atlantic Anomaly and geomagnetic flux patches
F. Terra-Nova, H. Amit, G. Hartmann, R. Trindade +1 more
201763 citations Open access
Semantic Scholar
New historical archeointensity data from Brazil: Evidence for a large regional non-dipole field contribution over the past few centuries
G. Hartmann, A. Genevey, Y. Gallet, R. Trindade +4 more
201159 citations Open access
Semantic Scholar
Archeointensity in Northeast Brazil over the past five centuries
G. Hartmann, A. Genevey, Y. Gallet, R. Trindade +3 more
201058 citations
Semantic Scholar
Speleothem record of geomagnetic South Atlantic Anomaly recurrence
R. Trindade, Plínio Jaqueto, F. Terra-Nova, D. Brandt +8 more
2018Proceedings of the National Academy of Sciences of the United States of America46 citations Open access
Semantic Scholar
Linking speleothem and soil magnetism in the Pau d'Alho cave (central South America)
Plínio Jaqueto, R. Trindade, G. Hartmann, V. Novello +4 more
201646 citations
Semantic Scholar
Analysis of geomagnetically induced currents at a low-latitude region over the solar cycles 23 and 24: comparison between measurements and calculations
C. Barbosa, Livia R. Alves, R. Caraballo, G. Hartmann +2 more
201546 citations Open access
Semantic Scholar
Archeomagnetism of Jesuit Missions in South Brazil (1657–1706 AD) and assessment of the South American database
Wilbor Poletti, R. Trindade, G. Hartmann, Nadir Damiani +1 more
201642 citations Open access
Semantic Scholar
Numerical modeling of geomagnetically induced currents in a Brazilian transmission line
C. Barbosa, G. Hartmann, K. Pinheiro
201542 citations
Semantic Scholar
The role of abrupt climate change in the formation of an open vegetation enclave in northern Amazonia during the late Quaternary
André Zular, A. Sawakuchi, C. Chiessi, Fernando M. d'Horta +6 more
2019Global and Planetary Change34 citations Open access
Semantic Scholar
Continuous millennial decrease of the Earth’s magnetic axial dipole
Wilbor Poletti, A. Biggin, R. Trindade, G. Hartmann +1 more
201833 citations Open access
Semantic Scholar
The Fate of Carbon in Sediments of the Xingu and Tapajós Clearwater Rivers, Eastern Amazon
D. Bertassoli, A. Sawakuchi, H. Sawakuchi, F. Pupim +10 more
2017Frontiers in Marine Science33 citations Open access
Semantic Scholar
The time dependence of reversed archeomagnetic flux patches
F. Terra-Nova, H. Amit, G. Hartmann, R. Trindade
201532 citations Open access
Semantic Scholar
Paleosecular Variation and the Time‐Averaged Geomagnetic Field Since 10 Ma
W. Oliveira, G. Hartmann, F. Terra-Nova, D. Brandt +7 more
2021Geochemistry Geophysics Geosystems28 citations Open access
Semantic Scholar
Using archaeomagnetic field models to constrain the physics of the core: robustness and preferred locations of reversed flux patches
F. Terra-Nova, H. Amit, G. Hartmann, R. Trindade
201628 citations Open access
Semantic Scholar
The cooling‐rate effect on microwave archeointensity estimates
Wilbor Poletti, G. Hartmann, M. Hill, A. Biggin +1 more
201323 citations Open access
Semantic Scholar
Spatiotemporal Variations of Riverine Discharge Within the Amazon Basin During the Late Holocene Coincide With Extratropical Temperature Anomalies
D. Bertassoli, A. Sawakuchi, C. Chiessi, E. Schefuß +7 more
2019Geophysical Research Letters22 citations
Semantic Scholar
The “Lagoa do Camargo 1” Paleoindian site: some implications for tropical geomorphology, pedology, and paleoenvironments in southeastern Brazil
Astolfo G. M. Araujo, J. Paisani, T. Schrage, J. Feathers +2 more
201722 citations
Semantic Scholar
First archeointensity results from Portuguese potteries (1550-1750 AD)
G. Hartmann, R. Trindade, A. Goguitchaichvili, C. Etchevarne +2 more
200918 citations Open access
Semantic Scholar
Quartz osl sensitivity from dating data for provenance analysis of pleistocene and holocene fluvial sediments from lowland amazonia
P. Souza, F. Pupim, C. Mazoca, I. Del Río +5 more
2023Quaternary Geochronology16 citations
Semantic Scholar
The response of a dune succession from Lençóis Maranhenses, NE Brazil, to climate changes between MIS 3 and MIS 2
André Zular, A. Sawakuchi, Hong Wang, C. Guedes +8 more
202015 citations Open access
Semantic Scholar
New archeointensity data from South Brazil and the influence of the South Atlantic Anomaly in South America
G. Hartmann, Wilbor Poletti, R. Trindade, Lúcio Menezes Ferreira +1 more
2019Earth and Planetary Science Letters15 citations Open access
Semantic Scholar
Mineralogical control on the magnetic anisotropy of lavas and ignimbrites: a case study in the Caviahue-Copahue field (Argentina)
Thiago R. Moncinhatto, M. Haag, G. Hartmann, J. Savian +4 more
2019Geophysical Journal International13 citations Open access
Semantic Scholar
Archaeointensity record of weak field recurrence in Japan: new data from Late Yayoi and Kofun ceramic artifacts
E. Tema, Y. Santos, R. Trindade, G. Hartmann +5 more
2022Geophysical Journal International11 citations Open access
Semantic Scholar
Formation Processes of the Late Pleistocene Site Toca da Janela da Barra do Antonião – Piauí (Brazil)
X. Villagran, G. Hartmann, M. Stahlschmidt, S. Heinrich +12 more
2021PaleoAmerica11 citations
Semantic Scholar
The Tsallis statistical distribution applied to geomagnetically induced currents
C. Barbosa, R. Caraballo, L. Alves, G. Hartmann +5 more
201711 citations Open access
Semantic Scholar
Paleointensity data from Early Cretaceous Ponta Grossa dikes (Brazil) using a multisample method
D. Brandt, G. Hartmann, E. Yokoyama, E. L. Catelani +1 more
200910 citations Open access
Semantic Scholar
Evaluating iron as a biomarker of rhythmites — An example from the last Paleozoic ice age of Gondwana
F. Callefo, F. Ricardi-Branco, G. Hartmann, D. Galante +10 more
2019Sedimentary Geology9 citations Open access
Semantic Scholar
Revisiting Alice Boer: Site formation processes and dating issues of a supposedly pre‐Clovis site in Southeastern Brazil
Astolfo G. Mello Araujo, J. Feathers, G. Hartmann, F. Ladeira +5 more
2020Geoarchaeology8 citations
Semantic Scholar
Possible relationship between the Earth's rotation variations and geomagnetic field reversals over the past 510 Myr
I. G. Pacca, E. Frigo, G. Hartmann
2015Frontiers in Earth Science6 citations Open access
Semantic Scholar
Mineralogical Modeling and Petrophysical Properties of the Barra Velha Formation, Santos Basin, Brazil
M. Jácomo, G. Hartmann, T. Rebelo, Nathalia H. Mattos +2 more
2023Petrophysics5 citations
Semantic Scholar
Paleosecular variation in Northern Patagonia recorded by 0-5 Ma Caviahue-Copahue lava flows
Thiago R. Moncinhatto, W. P. de Oliveira, M. Haag, G. Hartmann +6 more
2023Geophysical Journal International5 citations Open access
Semantic Scholar
AMS and rock magnetism in the Caviahue-Copahue Volcanic Complex (Southern Andes): emission center, flow dynamics, and implications to the emplacement of non-welded PDCs
M. Haag, C. A. Sommer, J. Savian, A. Caselli +5 more
2021Journal of Volcanology and Geothermal Research5 citations Open access
Semantic Scholar
Late Holocene paleosecular variation and relative paleointensity records from Lagoa dos Patos (southern Brazil)
C. Lopes, J. Savian, E. Frigo, Gabriel Endrizzi +8 more
2022Physics of the Earth and Planetary Interiors4 citations
Semantic Scholar
Centennial dipole and non-dipole field variations in South America
L. G. Ramires, G. Hartmann, Wilbor Poletti, Barbara Caprara +6 more
2025Earth and Planetary Science Letters2 citations
Semantic Scholar
Paleosecular variation record from Pleistocene-Holocene lava flows in southern Colombia
W. P. de Oliveira, G. Hartmann, J. Savian, Giovanny N. Rodriguez +3 more
2022Physics of the Earth and Planetary Interiors2 citations
Semantic Scholar
Comparing paleointensity methods: Importance of the cooling-rate effect on microwave estimates
Wilbor Poletti, G. Hartmann, M. Hill, A. Biggin +1 more
20132 citations
Semantic Scholar
Preliminary Results of Magnetic Archaeointensity Measurements in Brazil
G. Hartmann, M. Afonso, R. Trindade
20112 citations
Semantic Scholar
Initial results from a Trans-Amazon Drilling Project core from the Acre Basin of Brazil
Sherilyn C. Fritz, A. Sawakuchi, A. Noren, Paul A. Baker +86 more
2026Scientific Drilling1 citations Open access
Semantic Scholar
A sedimentary record of paleodirectional and relative paleointensity variations of the Earth's magnetic field from offshore South Brazil spanning the time from 46.15 to 5.36 ka
Camila T. Lopes, J. Savian, E. Frigo, G. Hartmann +8 more
2025Quaternary Science Reviews1 citations
Semantic Scholar
Assessing the Reliability of the Pseudo‐Thellier Estimates in Fired Ceramics and Source Clays
Wilbor Poletti, Mikaelly G. Rocha, Plínio Jaqueto, G. Hartmann +4 more
2025Journal of Geophysical Research - Solid Earth1 citations Open access
Semantic Scholar
Source area and emplacement conditions of Riscos Bayos Ignimbrites, Caviahue-Copahue Volcanic Complex (Argentina)
M. Haag, Thiago R. Moncinhatto, C. A. Sommer, J. Savian +4 more
20201 citations Open access
Semantic Scholar
NUMERICAL MODEL TEST OF GEOMAGNETIC INDUCED CURRENTS IN BRAZIL
C. Barbosa, K. Pinheiro, G. Hartmann, R. Trindade +1 more
20131 citations
Semantic Scholar
Evolution of non-dipole features of the geomagnetic field from Archeomagnetic models
F. Terra-Nova, G. Hartmann, R. Trindade
20131 citations
Semantic Scholar
THE IMPORTANCE OF THE COOLING-RATE EFFECT ON MICROWAVE ARCHEOINTENSITY DATA
Wilbor Poletti, G. Hartmann, M. Hill, A. Biggin +1 more
20131 citations
Semantic Scholar
Archeointensity from 1300-200 BP Brazilian Pottery
G. Hartmann, R. Trindade, A. Goguitchaichvili, M. Afonso
20071 citations
Semantic Scholar

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