Zobrazeno 1 - 10 of 16 pro vyhledávání: '"Francisco J. JIMENEZ-ESPEJO"'
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Akademický článek
Beryllium isotope variations recorded in the Adélie Basin, East Antarctica reflect Holocene changes in ice dynamics, productivity, and scavenging efficiency
Autor: Bethany C. Behrens, Yusuke Yokoyama, Yosuke Miyairi, Adam D. Sproson, Masako Yamane, Francisco J. Jimenez-Espejo, Robert M. McKay, Katelyn M. Johnson, Carlota Escutia, Robert B. Dunbar
Publikováno v: Quaternary Science Advances, Vol 7, Iss , Pp 100054- (2022)
The Adélie Basin is a relatively small (∼1600 km2), semi-enclosed continental shelf bathymetric depression located adjacent to the Wilkes Subglacial Basin, a basin underlying a sector of the East Antarctic Ice Sheet that contains ∼3–4 m sea le
Externí odkaz: https://doaj.org/article/b3d6e1ee25dd45979771b5337ffdee53
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2
Southern Hemisphere Westerly Winds have modulated the formation of laminations in sediments in Lago Fagnano (Tierra del Fuego, Argentina) over the past 6.3 ka
Autor: Alexis Vizcaino, Francisco J. Jimenez‐Espejo, Robert B. Dunbar, David Mucciarone, Antonio García‐Alix, Ina Neugebauer, Daniel Ariztegui
Publikováno v: Boreas
Tierra del Fuego in Argentina is a unique location to examine past Holocene wind variability since it intersects the core of the Southern Hemisphere Westerly Winds (SHWW). The SHWW are the most powerful prevailing winds on Earth. Their variation play
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f989857f9fa8153b4a53b8642bb3bf7e
https://gfzpublic.gfz-potsdam.de/pubman/item/item_5013398
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3
Preservation of Fe/Mn‐redox fronts in sediments of an oligotrophic, oxygenated deep‐water lake (Lago Fagnano, Tierra del Fuego)
Autor: Ina Neugebauer, Camille Thomas, Luis Ordoñez, Nicolas D. Waldmann, Cristina Recasens, Alexis Vizcaino, Francisco J. Jimenez‐Espejo, Daniel Ariztegui
Publikováno v: Sedimentology
Sedimentology (2022)
Changing redox conditions in water columns or sediment–water interfaces of lakes are captured as sedimentary archives, and are often influenced by climate. Their study therefore permits the reconstruction of past climate change on (sub-) annual to
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::90664df955bec089c0506776fda7af48
https://gfzpublic.gfz-potsdam.de/pubman/item/item_5010428_2/component/file_5011724/5010428.pdf
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4
Akademický článek
Drought as a possible contributor to the Visigothic Kingdom crisis and Islamic expansion in the Iberian Peninsula
Autor: Jon Camuera, Francisco J. Jiménez-Espejo, José Soto-Chica, Gonzalo Jiménez-Moreno, Antonio García-Alix, María J. Ramos-Román, Leena Ruha, Manuel Castro-Priego
Publikováno v: Nature Communications, Vol 14, Iss 1, Pp 1-10 (2023)
Abstract The Muslim expansion in the Mediterranean basin was one the most relevant and rapid cultural changes in human history. This expansion reached the Iberian Peninsula with the replacement of the Visigothic Kingdom by the Muslim Umayyad Caliphat
Externí odkaz: https://doaj.org/article/8e90849ab49345dbac087dfbd71aea4b
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6
Digital image treatment applied to ichnological analysis of marine core sediments
Autor: Hélder Pereira, Patrick Grunert, Estefania Llave, José-Abel Flores, Francisco J. JIMENEZ-ESPEJO, Francisco Rodríguez-Tovar, David Hodell, Craig Sloss, Yasuhiro Takashimizu, Antje Voelker, Maria Fernanda Sanchez Goñi, Junichiro Kuroda, Futoshi Nanayama, Johanna Lofi, Javier Dorador, Francisco Sierro, Andre Bahr
Publikováno v: Facies. 60:39-44
Characterization of trace fossils in marine core sediments is, most times, difficult due to the weak differentiation between biogenic structures and the host sediment, especially in pelagic and hemipelagic facies. This problem is accentuated where a
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cb2719e6e8454c3a8fa5bb179b5a83f1
https://doi.org/10.1007/s10347-013-0383-z
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9
Quantitative estimation of bioturbation based on digital image analysis
Autor: Gary Acton, Hélder Pereira, Patrick Grunert, Estefania Llave, Francisco J. JIMENEZ-ESPEJO, Francisco Rodríguez-Tovar, David Hodell, Craig Sloss, Yasuhiro Takashimizu, Antje Voelker, Maria Fernanda Sanchez Goñi, Carlos Alvarez Zarikian, Futoshi Nanayama, Chuang Xuan, Cristina Roque, Javier Dorador, Francisco Sierro, Andre Bahr
Publikováno v: Marine Geology, 349, 55. Elsevier
Marine Geology
Marine Geology, Elsevier, 2014, 349, pp.55-60. ⟨10.1016/j.margeo.2014.01.003⟩
International audience; Quantitative determination of modification of primary sediment features, by the activity of organisms (i.e., bioturbation) is essential in geosciences. Some methods proposed since the 1960s are mainly based on visual or subjec
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::021867c48096be6d6ad94fc19393de4f
https://dspace.library.uu.nl/handle/1874/308939
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