Search Results - "Auler, Augusto S."

Hydroclimate changes across the Amazon lowlands over the past 45,000 years by Wang, Xianfeng, Edwards, R. Lawrence, Auler, Augusto S., Cheng, Hai, Kong, Xinggong, Wang, Yongjin, Cruz, Francisco W., Dorale, Jeffrey A., Chiang, Hong-Wei

“…Oxygen isotope records derived from stalagmites in the eastern Amazon reveal that rainfall was about half of today’s during the Last Glacial Maximum but half…”
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The World Karst Aquifer Mapping project: concept, mapping procedure and map of Europe by Chen, Zhao, Auler, Augusto S., Bakalowicz, Michel, Drew, David, Griger, Franziska, Hartmann, Jens, Jiang, Guanghui, Moosdorf, Nils, Richts, Andrea, Stevanovic, Zoran, Veni, George, Goldscheider, Nico

“…Karst aquifers contribute substantially to freshwater supplies in many regions of the world, but are vulnerable to contamination and difficult to manage…”
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Climate change patterns in Amazonia and biodiversity by Cheng, Hai, Sinha, Ashish, Cruz, Francisco W., Wang, Xianfeng, Edwards, R. Lawrence, d’Horta, Fernando M., Ribas, Camila C., Vuille, Mathias, Stott, Lowell D., Auler, Augusto S.

“…Precise characterization of hydroclimate variability in Amazonia on various timescales is critical to understanding the link between climate change and…”
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Subterranean fauna associated with mesovoid shallow substratum in canga formations from southeastern Brazil: invertebrate biodiversity of a highly threatened ecosystem by Dornellas, Lígia Maria Saback Moreira, da Silva, Pedro Giovâni, Auler, Augusto S., Culver, David C., Pipan, Tanja

“…Iron Formations (IF) are threatened by mining, particularly the Mesovoid Shallow Substratum (MSS), an understudied subterranean environment. We evaluate the…”
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Enhanced terrestrial Fe(II) mobilization identified through a novel mechanism of microbially driven cave formation in Fe(III)-rich rocks by Parker, Ceth W., Senko, John M., Auler, Augusto S., Sasowsky, Ira D., Schulz, Frederik, Woyke, Tanja, Barton, Hazel A.

“…Most cave formation requires mass separation from a host rock in a process that operates outward from permeable pathways to create the cave void. Given the…”
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Millennial-scale precipitation changes in southern Brazil over the past 90,000 years by Wang, Xianfeng, Auler, Augusto S., Edwards, R. L., Cheng, Hai, Ito, Emi, Wang, Yongjin, Kong, Xinggong, Solheid, Maniko

“…A U‐Th dated 90,000 year‐long speleothem oxygen isotope record from southern Brazil anti‐correlates remarkably with the cave calcite records from eastern…”
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Interhemispheric anti-phasing of rainfall during the last glacial period by Wang, Xianfeng, Auler, Augusto S., Edwards, R. Lawrence, Cheng, Hai, Ito, Emi, Solheid, Maniko

“…We have obtained a high-resolution oxygen isotopic record of cave calcite from Caverna Botuverá (27°13′S, 49°09′W), southern Brazil, which covers most of the…”
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Wet periods in northeastern Brazil over the past 210 kyr linked to distant climate anomalies by Wang, Xianfeng, Auler, Augusto S, Edwards, R. Lawrence, Cheng, Hai, Cristalli, Patricia S, Smart, Peter L, Richards, David A, Shen, Chuan-Chou

“…The tropics are the main source of the atmosphere's sensible and latent heat, and water vapour, and are therefore important for reconstructions of past…”
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Fe(III) Reducing Microorganisms from Iron Ore Caves Demonstrate Fermentative Fe(III) Reduction and Promote Cave Formation by Parker, Ceth W., Auler, Augusto S., Barton, Michael D., Sasowsky, Ira D., Senko, John M., Barton, Hazel A.

“…The banded iron formations (BIF) of Brazil are composed of silica and Fe(III) oxide lamina, and are largely covered by a rock cap of BIF fragments in a…”
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The Influences of O2 Availability on the Microbial Activities and Fe Transformations in the Iron Formation Caves of the Southern Espinhaço Range, Brazil by Melissa K. Mulford, Anela Mukherjee, Augusto S. Auler, Hazel A. Barton, John M. Senko

“…Over 3000 iron formation caves (IFCs) have formed in erosion-resistant Fe(III)-rich rocks throughout Brazil. Microbial Fe(III) reduction occurs in IFCs, where…”
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Hydrologic Alteration and Enhanced Microbial Reductive Dissolution of Fe(III) (hydr)oxides Under Flow Conditions in Fe(III)-Rich Rocks: Contribution to Cave-Forming Processes by Calapa, Kayla A., Mulford, Melissa K., Rieman, Tyler D., Senko, John M., Auler, Augusto S., Parker, Ceth W., Barton, Hazel A.

“…Previous work demonstrated that microbial Fe(III)-reduction contributes to void formation, and potentially cave formation within Fe(III)-rich rocks, such as…”
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Mammal tooth traces in a ferruginous cave in southeastern Brazil and their relevance to cave legal protection by Vasconcelos, André G, Bittencourt, Jonathas S, Auler, Augusto S

“…We describe the first occurrence of biogenic traces made by mammals within an iron formation cave located in the Serra da Ferrugem Ridge, in Southeastern…”
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Onset and termination of Heinrich Stadial 4 and the underlying climate dynamics by Cheng, Hai, Xu, Yao, Dong, Xiyu, Zhao, Jingyao, Li, Hanying, Baker, Jonathan, Sinha, Ashish, Spötl, Christoph, Zhang, Haiwei, Du, Wenjing, Zong, Baoyun, Jia, Xue, Kathayat, Gayatri, Liu, Dianbing, Cai, Yanjun, Wang, Xianfeng, Strikis, Nicolás M., Cruz, Francisco W., Auler, Augusto S., Gupta, Anil K., Singh, Raj Kumar, Jaglan, Sonu, Dutt, Som, Liu, Zhengyu, Edwards, R. Lawrence

“…Abstract Heinrich Stadial 4 during the last glacial period was marked by severe cooling at northern high latitudes along with the attendant changes in Asian…”
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Karst hydrogeology, geomorphology and caves by Auler, Augusto S

“…Auler reviews Karst hydrogeology, geomorphology and caves by Jo De Waele and Francisco Gutiérrez…”
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Global distribution of carbonate rocks and karst water resources by Goldscheider, Nico, Chen, Zhao, Auler, Augusto S., Bakalowicz, Michel, Broda, Stefan, Drew, David, Hartmann, Jens, Jiang, Guanghui, Moosdorf, Nils, Stevanovic, Zoran, Veni, George

“…Karst regions offer a variety of natural resources such as freshwater and biodiversity, and many cultural resources. The World Karst Aquifer Map (WOKAM) is the…”
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Microbial Reducibility of Fe(III) Phases Associated with the Genesis of Iron Ore Caves in the Iron Quadrangle, Minas Gerais, Brazil by Ceth W. Parker, Julie A. Wolf, Augusto S. Auler, Hazel A. Barton, John M. Senko

“…The iron mining regions of Brazil contain thousands of “iron ore caves” (IOCs) that form within Fe(III)-rich deposits. The mechanisms by which these IOCs form…”
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High-resolution Holocene South American monsoon history recorded by a speleothem from Botuverá Cave, Brazil by Bernal, J.P., Cruz, Francisco W., Stríkis, Nicolás M., Wang, Xianfeng, Deininger, Michael, Catunda, Maria Carolina A., Ortega-Obregón, C., Cheng, Hai, Edwards, R. Lawrence, Auler, Augusto S.

“…•A high-resolution Holocene record of hydroclimate variability from SE Brazil.•Correlation between Sr/Ca and δ18O ties atmospheric circulation and monsoon…”
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South American monsoon response to iceberg discharge in the North Atlantic by Stríkis, Nicolás M., Cruz, Francisco W., Barreto, Eline A. S., Naughton, Filipa, Vuille, Mathias, Cheng, Hai, Voelker, Antje H. L., Zhang, Haiwei, Karmann, Ivo, Edwards, R. Lawrence, Auler, Augusto S., Santos, Roberto Ventura, Sales, Hamilton Reis

“…Heinrich Stadials significantly affected tropical precipitation through changes in the interhemispheric temperature gradient as a result of abrupt cooling in…”
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Preface: Five decades of advances in karst hydrogeology by Auler, Augusto S., Stevanović, Zoran

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Hypogenic origin, geologic controls and functional organization of a giant cave system in Precambrian carbonates, Brazil by Klimchouk, Alexander, Auler, Augusto S., Bezerra, Francisco H.R., Cazarin, Caroline L., Balsamo, Fabrizio, Dublyansky, Yuri

“…This study is focused on speleogenesis of the Toca da Boa Vista (TBV) and Toca da Barriguda (TBR), the longest caves in South America occurring in the…”
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