Browsing by Title

Now showing items 44486-44505 of 92768

    • Giro incorporado: El sentido den entre los cuerpos en el arte 
      Schmidt Escobar, Arturo (Universidad de Chile, 2019)
      La presente investigación tuvo como objetivo principal reflexionar el cuerpo -relegado de la formación clínica de enfoque sistémico relacional e insertado al interior de la palabra y el logos- para poder otorgar posibles ...
    • GIS Applications in Easter Island: Geodetic Adjustments and Survey Maps Accuracy 
      Vargas Casanova, Patricia; Cristino Ferrando, Claudio; Izaurieta San Juan, Roberto (2007-08)
      This paper discusses the variables and methodology involved in the geodetic transformations required for the adjustment of the Easter Island Archaeological Survey's cartography — until recently supposed to ...
    • GJ 273: on the formation, dynamical evolution, and habitability of a planetary system hosted by an M dwarf ... 
      Pozuelos, Francisco J.; Suárez, Juan C.; Elía, Gonzalo C.de; Berdiñas, Zaira M; Bonfanti, Andrea; Dugaro, Agustín; Gillón, Michaël; Jehin, Emmanuël; Günther, Maximilian N.; Van Grootel, Valérie; García, Lionel J.; Thuillier, Antoine; Delrez, Laetitia; Rodón, José R. (EDP Science, 2020)
      Context. Planets orbiting low-mass stars such as M dwarfs are now considered a cornerstone in the search for planets with the potential to harbour life. GJ 273 is a planetary system orbiting an M dwarf only 3.75 pc away, ...
    • GJ 832c: a super-earth in the habitable zone 
      Wittenmyer, Robert A.; Tuomi, Mikko; Butler, R. P.; Jones, H. R.; Anglada Escudé, Guillem; Horner, Jonathan; Tinney, C. G.; Marshall, J. P.; Carter, B. D.; Bailey, J.; Salter, G. S.; O’Toole, S. J.; Wright, D.; Crane, J. D.; Schectman, S. A.; Arriagada, P.; Thompson, I.; Minniti, D.; Jenkins, James Stewart; Diaz, M. (The American Astronomical Society., 2014)
      We report the detection of GJ 832c, a super-Earth orbiting near the inner edge of the habitable zone of GJ 832, an Mdwarf previously known to host a Jupiter analog in a nearly circular 9.4 yr orbit. The combination of ...
    • GLACE survey: OSIRIS/GTC tuneable filter H alpha imaging of the rich galaxy cluster ZwCl 0024.0+1652 at z=0.395 
      Sánchez Portal, M.; Pintos Castro, I.; Pérez Martínez, R.; Cepa, J.; Pérez García, A. M.; Domínguez Sánchez, H.; Bongiovanni, A.; Serra, A. L.; Alfaro, E.; Altieri, B.; Aragón Salamanca, A.; Balkowski, C.; Biviano, A.; Bremer, M.; Castander, F.; Castañeda, H.; Castro Rodríguez, N.; Chies Santos, A. L.; Coia, D.; Diaferio, A.; Duc, P. A.; Ederoclite, A.; Geach, J.; González Serrano, I.; Haines, Chris; McBreen, B.; Metcalfe, L.; Oteo, I.; Pérez Fournón, I.; Poggianti, B.; Polednikova, J.; Ramón Pérez, M.; Rodríguez Espinosa, J. M.; Santos, J. S.; Smail, I.; Smith, G. P.; Temporin, S.; Valtchanov, I. (ESA, 2015)
      The cores of clusters at 0 less than or similar to z less than or similar to 1 are dominated by quiescent early-type galaxies, whereas the field is dominated by star-forming late-type galaxies. Clusters grow through the ...
    • Glacial dynamics in southernmost South America during Marine Isotope Stage 5e to the Younger Dryas chron: ... 
      Kaplan, Michael R.; Moreno Moncada, Patricio; Rojas, Maisa (JOHN WILEY & SONS, 2008-10)
      The timing of major glacial changes between Marine Isotope Stage (MIS) 5e and the Younger Dryas chron (YD) in southern South America is reviewed. Focus is placed on studies that use cosmogenic nuclide measurements. However, ...
    • Glacial geomorphology and paleoglacial behavior estimation in Sierra Baguales (50° S): Paleoclimatic factors ... 
      Araos Espinoza, José Miguel (Universidadn de Chile, 2016)
      The Sierra Baguales Mountain Range (SBMR) forms the eastern foothills of the Patagonian Andes located between 50º and 51º S, topographically isolated from the Southern Patagonian Icefield (SPIF) and under the influence of ...
    • Glaciar Pirámide: Características y evolución reciente de un glaciar cubierto. Evidencias del cambio climático 
      Ferrando Acuña, Francisco (Universidad de Chile, 2012)
      Se analiza la situación del Glaciar Pirámide, ubicado en la cuenca andina del Río Maipo, a los 33°35' S y 69° 53' W, y a una altitud media de 3565 msnm, desde un punto de vista tanto cuantitativocomo cualitativo. Con una ...
    • Los glaciares rocosos del Santuario de la Naturaleza Yerba Loca, comuna de Lo Barnechea, Región Metropolitana 
      Valenzuela-Astudillo, Helena Concepción (Universidad de Chile, 2020)
      Las iniciativas de investigación sobre glaciares rocosos en Los Andes centrales chilenos han aumentado en las últimas décadas, sin embargo, sigue siendo insuficiente la información técnica existente sobre las características ...
    • Glaciation as a destructive and constructive control on mountain building 
      Thomson, Stuart N.; Brandon, Mark T.; Tomkin, Jonathan H.; Reiners, Peter W.; Vásquez, Cristián; Wilson, Nathaniel J. (NATURE PUBLISHING GROUP, 2010-09-16)
      Theoretical analysis predicts that enhanced erosion related to late Cenozoic global cooling can act as a first-order influence on the internal dynamics of mountain building, leading to a reduction in orogen width and ...
    • Glacier albedo reduction and drought effects in the extratropical Andes, 1986–2020 
      Shaw, Thomas E.; Ulloa Palominos, Génesis del Pilar; Farías Barahona, David; Fernández Vásquez, Rodrigo Alejandro; Lattus, José M.; McPhee Torres, James (Cambridge University Press, England, 2021)
      Surface albedo typically dominates the mass balance of mountain glaciers, though long-term trends and patterns of glacier albedo are seldom explored. We calculated broadband shortwave albedo for glaciers in the central ...
    • Glacier decline in the Central Andes (33°S): Context and magnitude from satellite and historical data 
      Ruiz Pereira, Sebastian Felipe; Veettil, Bijeesh Kozhikkodan (Elsevier Ltd, 2019)
      Central Andes (33°S) represent a water-scarce region. During arid years, glacier runoff may constitute the main hydrological input at warm season and hence a steadfast deglacierization may represent a decrease in the ...
    • Glacier fluctuations in extratropical South America during the past 1000 years 
      Masiokas, Mariano H.; Rivera Ibáñez, Sergio; Espizua, Lydia E.; Villalba, Ricardo; Delgado, Silvia; Aravena, Juan Carlos (Elsevier, 2009)
      This paper presents an updated, extensive review of glacier fluctuations during the past 1000 years in the extratropical Andes of South America between ca. 17° and 55°S. Given the variety of environmental conditions and ...
    • Glacier fuctuations in the northern Patagonian Andes (44°S) imply wind‑modulated interhemispheric in‑phase ... 
      Soteres, Rodrigo L.; Sagredo, Esteban A.; Kaplan, Michael R.; Martin, Mateo A.; Moreno Moncada, Patricio Iván; Reynhout, Scott Andrew; Schwartz, Roseanne; Schaefer, Joerg M. (Nature, 2022)
      The Last Glacial Termination (T1) featured major changes in global circulation systems that led to a shift from glacial to interglacial climate. While polar ice cores attest to an antiphased thermal pattern at millennial ...
    • Glacier inventory and recent glacier variations in the Andes of Chile, South America 
      Barcaza, Gonzalo; Nussbaumer, Samuel; Tapia, Guillermo; Valdés, Javier; García, Juan Luis; Videla, Yohan; Albornoz, Amapola; Arias, Víctor (Cambridge University Press, 2017)
      The first satellite-derived inventory of glaciers and rock glaciers in Chile, created from Landsat TM/ETM+ images spanning between 2000 and 2003 using a semi-automated procedure, is presented in a single standardized ...
    • Glacier responses to recent volcanic activity in Southern Chile 
      Bown, Francisca; Carrión, Daniela; Zenteno, Pablo; Rivera Ibáñez, Sergio (IOP PUBLISHING, 2012)
      Glaciers in Southern Chile (39–43 S) are characterized by frontal retreats and area losses in response to the ongoing climatic changes at a timescale of decades. Superimposed on these longer-term trends, volcanic activity ...
    • Glacier runoff variations since 1955 in the Maipo River basin, in the semiarid Andes of central Chile 
      Silva Ayala, Álvaro Felipe; Farías Barahona, David; Huss, Matthias; Pellicciotti, Francesca; Mc Phee Torres, James; Farinotti, Daniel (Copernicus, 2020)
      As glaciers adjust their size in response to climate variations, long-term changes in meltwater production can be expected, affecting the local availability of water resources. We investigate glacier runoff in the period ...
    • Glacier shrinkage and negative mass balance in the Chilean Lake District (40°S) 
      Rivera Ibáñez, Sergio; Bown, Francisca; Casassa, Gino; Acuña, César; Clavero, Jorge (Taylor & Francis, 2005)
      Ice-capped volcanoes of the Chilean Lake District have shown significant glacier retreat during recent decades, probably in response to tropospheric warming and precipitation decrease. Volcán Mocho-Choshuenco (39°55′S, ...
    • Glacier wastage on southern Adelaide Island, Antarctica, and its impact on snow runway operations 
      Casassa, Gino; Thomas, R.; Rignot, E.; Zamora, R.; Antúnez, D.; Acuña, César; Rivera Ibáñez, Sergio; Ordenes, F. (INT GLACIOLOGICAL SOC, 2005)
      The variations and dynamics of the southern edge of Fuchs Ice Piedmont, Adelaide island (67 degrees 45'09'S, 68 degrees 55'04'W), Antarctic Peninsula, are presented. The snow-covered surface of the glacier has been used ...
    • A glance at the host galaxy of high-redshift quasars using strong damped Lyman-α systems as coronagraphs 
      Finley, Hayley; Petitjean, Patrick; Pâris, Isabelle; Noterdaeme, Pasquier; Brinkmann, Jonathan; Myers, Adam D.; Ross, Nicholas P.; Schneider, Donald P.; Bizyaev, Dmitry; Brewington, Howard; Ebelke, Garrett; Malanushenko, Elena; Malanushenko, Viktor; Oravetz, Daniel; Pan, Kaike; Simmons, Audrey; Snedden, Stephanie (EDP Sciences, 2013)
      We searched quasar spectra from the SDSS-III Baryon Oscillation Spectroscopic Survey (BOSS) for the rare occurrences where a strong damped Lyman-α absorber (DLA) blocks the Broad Line Region emission from the quasar and ...