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Novello, Valdir Felipe; Azevedo, Vitor; Apaéstegui, James; Wang, Xianfeng (2020): δ¹³C stalagmite records from South America. PANGAEA, https://doi.pangaea.de/10.1594/PANGAEA.924810 (dataset in review)

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Abstract:
Measurements of carbon isotope (δ¹³C) ratios are essential for (paleo)environmental studies, such as those regarding the carbon cycle, past food consumption by pre-historic societies, paleo-vegetation reconstructions, soil dynamics, aspects regarding animal migration and food consumption, etc. Our main goal with this study is to introduce new cave records to the speleothem community and contextualize their interpretation in a regional framework for South America during the last two millennia. The dataset presented (named δ¹³C_2k_SA) comprises thirteen new δ¹³C speleothem records that were integrated to other 12 records already published to test the influence of local hydroclimate, altitude, temperature and changing vegetation types on δ¹³C values in stalagmites. Most sites from tropical South America were dominated by C3 plants over the last two millennia and are characterized by speleothem δ¹³C values more depleted than -6 ‰. The main factors influencing δ¹³C values are associated with the local hydroclimate, followed by minor effects from temperature. Most of the isotopic records show a significant correlation between the δ¹³C and δ¹⁸O values, indicating a close relationship between local hydroclimate and atmospheric convective processes related to the South American Monsoon System.
Keyword(s):
d13C; paleohydrology; paleovegetation; South America; stalagmite
Supplement to:
Novello, Valdir Felipe; Azevedo, Vitor; Apaéstegui, James; Wang, Xianfeng (submitted): δ13C values in stalagmites from tropical South America for the last two millennia.
Related to:
Apaéstegui, James; Cruz, Francisco William; Sifeddine, Abdelfettah; Vuille, Mathias; Espinoza, Jhan Carlo; Guyot, Jean-Loup; Khodri, Myriam; Stríkis, Nicolás Misailidis; Santos, Roberto Ventura; Cheng, H; Edwards, R Lawrence; Carvalho, E V; Santini, W (2014): Hydroclimate variability of the northwestern Amazon Basin near the Andean foothills of Peru related to the South American Monsoon System during the last 1600 years. Climate of the Past, 10(6), 1967-1981, https://doi.org/10.5194/cp-10-1967-2014
Apaéstegui, James; Cruz, Francisco William; Vuille, Mathias; Fohlmeister, Jens; Espinoza, Jhan Carlo; Sifeddine, Abdelfettah; Stríkis, Nicolás Misailidis; Guyot, Jean-Loup; Ventura, Roberto; Cheng, Hai; Edwards, R Lawrence (2018): Precipitation changes over the eastern Bolivian Andes inferred from speleothem (δ18O) records for the last 1400 years. Earth and Planetary Science Letters, 494, 124-134, https://doi.org/10.1016/j.epsl.2018.04.048
Azevedo, Vitor; Stríkis, Nicolás Misailidis; Santos, Rudney A; de Souza, Jonas Gregorio; Ampuero, A; Cruz, Francisco William; de Oliveira, Paulo; Iriarte, Jose Luis; Stumpf, Cintia F; Vuille, Mathias; Mendes, Vinícius Ribau; Cheng, Hai; Edwards, R Lawrence (2019): Medieval Climate Variability in the eastern Amazon-Cerrado regions and its archeological implications. Scientific Reports, 9(1), https://doi.org/10.1038/s41598-019-56852-7
Bernal, Juan Pablo; Cruz, Francisco William; Stríkis, Nicolás Misailidis; Wang, Xianfeng; Deininger, Michael; Catunda, Maria Carolina Amorim; Ortega-Obregón, Carlos; Cheng, Hai; Edwards, R Lawrence; Auler, Augusto S (2016): High-resolution Holocene South American monsoon history recorded by a speleothem from Botuverá Cave, Brazil. Earth and Planetary Science Letters, 450, 186-196, https://doi.org/10.1016/j.epsl.2016.06.008
Cruz, Francisco William; Vuille, Mathias; Burns, Stephen J; Wang, Xianfeng; Cheng, Hai; Werner, Martin; Edwards, R Lawrence; Karmann, Ivo; Auler, Augusto S; Nguyen, Hanh (2009): Orbitally driven east–west antiphasing of South American precipitation. Nature Geoscience, 2(3), 210-214, https://doi.org/10.1038/ngeo444
Jaqueto, Plinio; Trindade, Ricardo F; Hartmann, Gelvam André; Novello, Valdir Felipe; Cruz, Francisco William; Karmann, Ivo; Strauss, Becky E; Feinberg, Joshua M (2016): Linking speleothem and soil magnetism in the Pau d'Alho cave (central South America). Journal of Geophysical Research: Solid Earth, 121(10), 7024-7039, https://doi.org/10.1002/2016JB013541
Kanner, Lisa C; Burns, Stephen J; Cheng, Hai; Edwards, R Lawrence; Vuille, Mathias (2013): High-resolution variability of the South American summer monsoon over the last seven millennia: insights from a speleothem record from the central Peruvian Andes. Quaternary Science Reviews, 75, 1-10, https://doi.org/10.1016/j.quascirev.2013.05.008
Novello, Valdir Felipe; Cruz, Francisco William; Karmann, Ivo; Burns, Stephen J; Stríkis, Nicolás Misailidis; Vuille, Mathias; Cheng, Hai; Edwards, R Lawrence; Santos, Roberto Ventura; Barreto, Eline A S; Frigo, Everton (2012): Multidecadal climate variability in Brazil's Nordeste during the last 3000 years based on speleothem isotope records. Geophysical Research Letters, 39(23), n/a-n/a, https://doi.org/10.1029/2012GL053936
Novello, Valdir Felipe; Cruz, Francisco William; Moquet, Jean-Sébastien; Vuille, Mathias; Saito de Paula, Marcos; Nunes, D; Edwards, Ross L; Cheng, H; Karmann, Ivo; Utida, Giselle; Stríkis, Nicolás Misailidis; Campos, J L P S (2018): Two Millennia of South Atlantic Convergence Zone Variability Reconstructed From Isotopic Proxies. Geophysical Research Letters, 45(10), 5045-5051, https://doi.org/10.1029/2017GL076838
Novello, Valdir Felipe; da Cruz Junior, Francisco William; McGlue, Michael M; Wong, Corinne I; Ward, Brittany Marie; Vuille, Mathias; Santos, Rudney A; Jaqueto, Plinio; Pessenda, Luiz C R; Atorre, Tiago; Ribeiro, Ligia M A L; Karmann, Ivo; Barreto, Eline S; Cheng, Hai; Edwards, R Lawrence; Paula, Marcos S; Scholz, Denis (2019): Vegetation and environmental changes in tropical South America from the last glacial to the Holocene documented by multiple cave sediment proxies. Earth and Planetary Science Letters, 524, 115717, https://doi.org/10.1016/j.epsl.2019.115717
Novello, Valdir Felipe; Vuille, Mathias; Cruz, Francisco William; Stríkis, Nicolás Misailidis; Saito de Paula, Marcos; Edwards, R Lawrence; Cheng, Hai; Karmann, Ivo; Jaqueto, Plinio; Trindade, Ricardo F; Hartmann, Gelvam André; Moquet, Jean-Sébastien (accepted): Centennial-scale solar forcing of the South American Monsoon System recorded in stalagmites. Scientific Reports, 6(1), https://doi.org/10.1038/srep24762
Stríkis, Nicolás Misailidis (2015): Atividade do Sistema de Monção Sul-americana na porção central do Brasil durante o último período glacial a partir da aplicação de isótopos de oxigênio em espeleotemas. Ph.D. thesis, Instituto de Geociências, Universidade de São Paulo, Brazil, 265 pp.
Utida, Giselle; Cruz, Francisco William; Santos, Roberto Ventura; Sawakuchi, André Oliveira; Wang, Hong; Pessenda, Luiz C R; Novello, Valdir Felipe; Vuille, Mathias; Strauss, André M; Borella, Ana Claudia; Stríkis, Nicolás Misailidis; Guedes, Carlos C; De Andrade, Fábio Ramos Dias; Zhang, Haiwei; Cheng, Hai; Edwards, R Lawrence (2020): Climate changes in Northeastern Brazil from deglacial to Meghalayan periods and related environmental impacts. Quaternary Science Reviews, 250, 106655, https://doi.org/10.1016/j.quascirev.2020.106655
Wang, Xianfeng; Edwards, R Lawrence; Auler, Augusto S; Cheng, Hai; Kong, Xinggong; Wang, Yongjin; Cruz, Francisco William; Dorale, Jeffrey A; Chiang, Hong-Wei (2017): Hydroclimate changes across the Amazon lowlands over the past 45,000 years. Nature, 541(7636), 204-207, https://doi.org/10.1038/nature20787
Wortham, Barbara E; Wong, Corinne I; Silva, Lucas; McGee, David; Montanez, Isabel P; Rasbury, E T; Cooper, Kari M; Sharp, Warren D; Glessner, Justin J G; Santos, Roberto Ventura (2017): Assessing response of local moisture conditions in central Brazil to variability in regional monsoon intensity using speleothem 87Sr/86Sr values. Earth and Planetary Science Letters, 463, 310-322, https://doi.org/10.1016/j.epsl.2017.01.034
Coverage:
Median Latitude: -13.332965 * Median Longitude: -48.777188 * South-bound Latitude: -27.210000 * West-bound Longitude: -77.350000 * North-bound Latitude: -5.590000 * East-bound Longitude: -37.440000
Minimum ALTITUDE: 72 m * Maximum ALTITUDE: 2650 m
Event(s):
Botuverá_Cave * Latitude: -27.210000 * Longitude: -49.090000 * Location: South America * Method/Device: Sampling/measurement on land (LAND)
Curupita_Cave * Latitude: -15.020000 * Longitude: -56.780000 * Location: South America * Method/Device: Sampling/measurement on land (LAND)
Diva_de_Maura_Cave * Latitude: -12.370000 * Longitude: -41.570000 * Location: South America * Method/Device: Sampling/measurement on land (LAND)
Size:
35420 data points

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