Browsing by Author "Bao, Roberto"
Now showing items 1-19 of 19
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A 68 ka precipitation record from the hyperarid core of the Atacama Desert in northern Chile
Diederich, Julia L.; Wennrich, Volker; Bao, Roberto; Büttner, Christoph; Bolten, Andreas; Brill, Dominik; Buske, Stefan; Campos, Eduardo; Fernández-Galego, Emma; Gödickmeier, Peggy; Ninnemann, Lukas; Reyers, Mark; Ritter, Benedikt; Ritterbach, Laura; Rolf, Christian; Scheidt, Stephanie; Dunai, Tibor J.; Melles, Martin (Elsevier, 2020-01)[Abstract] The Atacama Desert in northern Chile is one of the driest deserts on Earth. Hyperaridity persists at least since the Miocene and was punctuated by pluvial phases. However, very little is known about the timing, ... -
Biogeography and lake morphometry drive diatom and chironomid assemblages’ composition in lacustrine surface sediments of oceanic islands
Pereira, Cátia Lúcio; Raposeiro, Pedro; Costa, Ana Cristina; Bao, Roberto; Giralt, Santiago; Gonçalves, Vítor (Springer, 2014)[Abstract] Subfossil biotic assemblages in lakes’ surface sediments have been used to infer ecological conditions across environmental gradients. Local variables are usually the major drivers of assemblage composition, but ... -
Centennial-scale precipitation anomalies in the southern Altiplano (18° S) suggest an extratropical driver for the South American summer monsoon during the late Holocene
Jara, Ignacio A.; Maldonado, Antonio; González, Leticia; Hernández, Armand; Sáez, Alberto; Giralt, Santiago; Bao, Roberto; Valero Garcés, B. L. (European Geosciences Union, 2019-10-16)[Abstract] Modern precipitation anomalies in the Altiplano, South America, are closely linked to the strength of the South American summer monsoon (SASM), which is influenced by large-scale climate features sourced in the ... -
Climate, catchment runoff and limnological drivers of carbon and oxygen isotope composition of diatom frustules from the central Andean Altiplano during the Lateglacial and Early Holocene
Hernández, Armand; Bao, Roberto; Giralt, Santiago; Sáez, Alberto; Leng, Melanie J.; Barker, Philip A.; Kendrick, Chris P.; Sloane, Hilary J. (Elsevier, 2013)Diatom-based carbon and oxygen isotope analyses (δ13Cdiatom and δ18Odiatom) were performed on diatom-rich laminated sediments of Lake Chungará (Andean Altiplano, northern Chile) deposited during the Lateglacial and Early ... -
Climatic and lacustrine morphometric controls of diatom paleoproductivity in a tropical Andean lake
Bao, Roberto; Hernández, Armand; Sáez, Alberto; Giralt, Santiago; Prego, R.; Pueyo Mur, Juan José; Moreno Caballud, Ana; Valero Garcés, B. L. (Elsevier, 2015-12)The coupling of lake dynamics with catchment biogeochemistry is considered the key element controlling primary production in mountain lakes at time scales of a few decades to millennia, yet little is known on the impacts ... -
Diatom-inferred ecological responses of an oceanic lake system to volcanism and anthropogenic perturbations since 1290 CE
Vázquez-Loureiro, David; Gonçalves, Vítor; Sáez, Alberto; Hernández, Armand; Raposeiro, Pedro; Giralt, Santiago; Rubio-Inglés, María Jesús; Rull, Valentí; Bao, Roberto (Elsevier, 2019-07-29)[Abstract] The impacts of natural- and human-induced processes on lake ecosystems in remote oceanic islands remain to be fully elucidated. These lakes are excellent candidates to analyze the importance of anthropogenic ... -
Las diatomeas como indicadores paleoecológicos en las costas de Galicia (NW de España): diatomeas de sedimentos superficiales de la Ría de Vigo
Bao, Roberto; Rey, J.; Varela, M. (Universidade da Coruña, 1989) -
Estudio micropaleontológico de una turbera litoral holocena en la Ría de Ares (A Coruña, España)
Santos-Fidalgo, Luisa; Bao, Roberto; Jalut, G. (Universidade da Coruña, 1993)[Resumen] El análisis de polen, diatomeas y foraminíferos de un sedimento litoral en la Ría de Ares (A Coruña, España) ha permitido interpretaciones paleoambientales comparables. Se trata de un sedimento turboso con ... -
Evolución postglaciar de la laguna de Villaseca (NW de la Península Ibérica) a partir del análisis de diatomeas
Leira, Manel; Bao, Roberto; Vidal Romaní, Juan Ramón (Universidade da Coruña, 1997)[Abstract] The lake of Villaseca is located in the foothills of the southern Cantabrian Mountains, nearby Villaseca de Laciana (León,NWIberian Peninsula). This lake has a glacier origin and has been formed due to the ... -
Identification of the main driving mechanisms in the evolution of a small coastal wetland (Traba, Galicia, NW Spain) since its origin 5700 cal yr BP
Bao, Roberto; Alonso, Ángela; Delgado, Cristina; Pagés, Jose Luis (Elsevier, 2007)This paper examines the interdependence among the different forcing factors in the evolution of the Traba coastal wetland (Galicia, NW Spain) based on lithofacies and diatom analyses of three cores reaching the basement. ... -
Impact of the historical introduction of exotic fishes on the chironomid community of Lake Azul (Azores Islands)
Raposeiro, Pedro; Rubio, Maria Jesus; González, Alba; Hernández, Armand; Sánchez-López, Guiomar; Vázquez-Loureiro, David; Rull, Valentí; Bao, Roberto; Costa, Ana Cristina; Gonçalves, Vítor; Sáez, Alberto; Giralt, Santiago (Elsevier, 2017)Little is known about the effect of top predator introduction in historically fishless communities, especially on remote islands. This issue is important because it might strongly affect climate reconstructions derived from ... -
Lake-level and salinity reconstruction from diatom analyses in Quillagua formation (late Neogene, Central Andean forearc, northern Chile)
Bao, Roberto; Sáez, Alberto; Servant-Vildary, Simone; Cabrera, Lluı́s (Elsevier, 1999)A sedimentary and micropaleontological study of the Quillagua Formation provides a detailed paleohydrological reconstruction of the lacustrine system which occupied the present-day hyperarid Quillagua–Llamara fore-arc Basin ... -
Primary Drivers of Dune Cover and Shoreline Dynamics: A Conceptual Model Based on the Iberian Atlantic Coast
González-Villanueva, Rita; Pastoriza, Martiño; Hernández, Armand; Carballeira, Rafael; Sáez, Alberto; Bao, Roberto (Elsevier, 2023-02-15)[Abstract] Coastal dunes evolve in direct response to primary drivers, such as wind and waves, which can significantly influence the landscape. Here, we examine the effects of the wind and wave regimes on the vegetation ... -
Proposta de restauración dos hábitats acuáticos do humidal de Cospeito
Bao, Roberto; Pardo, Isabel; Cabana, Martiño (2021) -
Proxecto de Aprendizaxe-Servizo: proposta de restauración dos hábitats acuáticos do humidal de Cospeito
Bao, Roberto; Pardo, Isabel (2020) -
Recent Global Warming Induces the Coupling of Dissimilar Long-Term Sedimentary Signatures in Two Adjacent Volcanic Lakes (Azores Archipelago, Portugal)
Vázquez-Loureiro, David; Sáez, Alberto; Gonçalves, Vítor; Buchaca, Teresa; Hernández, Armand; Raposeiro, Pedro; Boer, Erik de; Masqué, Pere; Giralt, Santiago; Bao, Roberto (Elsevier, 2023-01-30)[Abstract] Paleoclimatological information derived from the study of lacustrine sedimentary records is not only biased by taphonomical processes but also by potential differences in the expression of climate variability ... -
The Vanishing and the Establishment of a New Ecosystem on an Oceanic Island: Anthropogenic Impacts With No Return Ticket
Ritter, Catarina; Gonçalves, Vítor; Pla-Rabes, Sergi; de Boer, Erik; Bao, Roberto; Sáez, Alberto; Hernández, Armand; Sixto, Marta; Richter, Nora; Benavente, Mario; Prego, Ricardo; Giralt, Santiago; Raposeiro, Pedro (Elsevier, 2022-03-31)[Abstract] A multiproxy approach was applied to a sediment core retrieved from the deep crater Lake Funda, located in the middle of the North Atlantic Ocean on Flores Island, Azores archipelago (Portugal). The purpose of ... -
Vegetation and landscape dynamics under natural and anthropogenic forcing on the Azores Islands: A 700-year pollen record from the São Miguel Island
Rull, Valentí; Lara, Arantza; Rubio-Inglés, María Jesús; Giralt, Santiago; Gonçalves, Vítor; Raposeiro, Pedro; Hernández, Armand; Sánchez-López, Guiomar; Vázquez-Loureiro, David; Bao, Roberto (Elsevier, 2017)
