Now showing items 1241-1260 of 7550

    • Rivera Rosado, Huber; Le Roux, Jacobus; Farías Thiers, Marcelo; Gutiérrez Duarte, Néstor; Sánchez, Alejandro; Palma Heldt, Sylvia (Elsevier, 2020)
      The Maastrichtian-Danian transgression was one of the most extensive Atlantic-derived marine incursions in Patagonia. This study examines its stratigraphic record and origin in the Magallanes-Austral Basin, revealing an ...
    • Shaw, Thomas E.; Gascoin, Simon; Mendoza Zúñiga, Pablo; Pellicciotti, Francesca; McPhee Torres, James (Wiley, 2020)
      Obtaining detailed information about high mountain snowpacks is often limited by insufficient ground-based observations and uncertainty in the (re)distribution of solid precipitation. We utilize high-resolution optical ...
    • Shamshuddin, Mohammed Azharuddin; Rojas, Félix; Cárdenas Dobson, Jesús; Pereda, Javier; Díaz, Matías; Kennel, Ralph (MDPI, 2020)
      Increase in global energy demand and constraints from fossil fuels have encouraged a growing share of renewable energy resources in the utility grid. Accordingly, an increased penetration of direct current (DC) power sources ...
    • Mora, Andrés; Cárdenas Dobson, Jesús; Urrutia, Matías; Rettig Espinoza, Mauricio Alfredo; Díaz, Matías (IEEE, 2020)
      The problems associated with active power oscillations (APOs) in grid-connected converters are well-known. Imbalances in the grid usually produce double-frequency oscillations in the dc-link voltage and current which could ...
    • Chowdhury, Avishek; Clerc, Marcel G.; Barbay, Jérémy; Robert-Philip, Isabelle; Braive, Remy (Nature, 2020)
      Driven non-linear resonators can display sharp resonances or even multistable behaviours amenable to induce strong enhancements of weak signals. Such enhancements can make use of the phenomenon of vibrational resonance, ...
    • Delle Donne, Diego; Di Tomaso, Valeria; Durán, Guillermo (Sage, 2020)
      A solution strategy based on integer linear programming models has been developed for leaf sweeping operations in the Argentine city of Trenque Lauquen. The aim is to achieve efficiency in the assignment of sweepers to ...
    • Ayala, Tomás; Videla, Javier; Anitescu, Cosmin; Atroshchenko, Elena (Elsevier, 2020)
      In this work, the isogeometric collocation (IGA-C) is paired with two types of enrichment: Plane Wave (PW-) and Generalized Harmonic Polynomial (GHP-) functions, to solve 2D-problems for the Helmholtz equation. A parametric ...
    • Kosolobov, Dmitry; Valenzuela, Daniel; Navarro, Gonzalo; Puglisi, Simon J. (Springer, 2020)
      Lempel-Ziv (LZ77 or, briefly, LZ) is one of the most effective and widely-used compressors for repetitive texts. However, the existing efficient methods computing the exact LZ parsing have to use linear or close to linear ...
    • Masoumi, Iman; Kamali, Gholamreza; Asghari, Omid; Emery, Xavier (MDPI, 2020)
      Since the Gol-Gohar iron ore mine (GGIOM), which is located in southeastern Iran, is currently one of the biggest iron mines in this region, increasing the accuracy of its mineral resources model has become a challenge for ...
    • Taucare Toro, Matías; Daniele, Linda; Viguier, Benoît; Vallejos, Ángela; Arancibia Hernández, Gloria (Elsevier, 2020)
      In Central Chile, the increment of withdrawals together with drought conditions has exposed the poor understanding of the regional hydrogeological system. In this study, we addressed theWestern Andean Front hydrogeology ...
    • Sandoval Alcocer, Juan Pablo; Siles Antezana, Alejandra; Santos, Gustavo; Bergel, Alexander (Elsevier, 2020)
      Context: Most modern programming environments support refactorings. Although refactorings are relevant to improve the quality of software source code, they unfortunately suffer from severe usability issues. In particular, ...
    • Wilk, Kevin D.; Hillier, D. John; Dessart, Luc (Oxford University Press, 2020)
      In this study, we present one-dimensional, non-local-thermodynamic-equilibrium, radiative transfer simulations (using CMFGEN) in which we introduce micro-clumping at nebular times into two Type Ia supernova ejecta models. ...
    • Díaz Artigas, Valentina; Muñoz Gómez, Marcia Alejandra; Deckart, Katja; Townley Callejas, Brian; Mathur, Ryan; Martínez Oviedo, Osvaldo (Elsevier, 2020)
      The Brahma prospect is a Neogene porphyry copper deposit located in the Chilean Andes at similar to 35 degrees 45'S, beyond the southerly extension of the previously defined Mio-Pliocene metallogenic belt of Central Chile. ...
    • Nidever, David L.; Hasselquist, Sten; Hayes, Christian R.; Hawkins, Keith; Povick, Joshua; Majewski, Steven R.; Smith, Verne V.; Anguiano, Borja; Stringfellow, Guy S.; Sobeck, Jennifer S.; Cunha, Katia; Beers, Timothy C.; Bestenlehner, Joachim M.; Cohen, Roger; Garcia-Hernandez, D. A.; Jönsson, Henrik; Nitschelm, Christian; Shetrone, Matthew; Lacerna, Ivan; Allende Prieto, Carlos; Beaton, Rachael L.; Dell’Agli, Flavia; Fernández Trincado, José G.; Feuillet, Diane; Gallart, Carme; Hearty, Fred R.; Holtzman, Jon; Manchado, Arturo; Muñoz Vidal, Ricardo R.; O’Connell, Robert; Rosado, Margarita (IOP Publishing, 2020)
      We report the first APOGEE metallicities and alpha-element abundances measured for 3600 red giant stars spanning a large radial range of both the Large (LMC) and Small Magellanic Clouds, the largest Milky Way (MW) dwarf ...
    • Cichowolski, S.; Duronea, N. U.; Suad, L. A.; Reynoso, E. M.; Noriega Crespo, A.; Bronfman Aguiló, Leonardo (Oxford University Press, 2020)
      Massive stars leave their imprint on the interstellar medium as they radiate their energy and undergo episodes of mass ejection throughout their lives. In this paper, we analyse the case of the Wolf-Rayet star WR16 combining ...
    • Bhandari, Shivani; Sadler, Elaine M.; Prochaska, J. Xavier; Simha, Sunil; Ryder, Stuart D.; Marnoch, Lachlan; Bannister, Keith W.; Macquart, Jean-Pierre; Flynn, Chris; Shannon, Ryan M.; Tejos, Nicolás; Corro Guerra, Felipe; Day, Cherie K.; Deller, Adam T.; Ekers, Ron; López, Sebastián; Mahony, Elizabeth K.; Nuñez, Consuelo; Phillips, Chris (IOP Publishing, 2020)
      The Australian SKA Pathfinder (ASKAP) telescope has started to localize fast radio bursts (FRBs) to arcsecond accuracy from the detection of a single pulse, allowing their host galaxies to be reliably identified. We discuss ...
    • Bryant, Edward M.; Bayliss, Daniel; McCormac, James; Wheatley, Peter J.; Acton, Jack S.; Anderson, David R,; Armstrong, David J.; Bouchy, François; Belardi, Claudia; Burleigh, Matthew R.; Tilbrook, Rosie H.; Casewell, Sarah L.; Cooke, Benjamin F; Gill, Samuel; Goad, Michael R.; Jenkins, James Stewart; Lendl, Monika; Pollacco, Don; Queloz, Didier; Raynard, Liam; Smith, Alexis M. S.; Vines, José; West, Richard G.; Udry, Stephane (Oxford University Press, 2020)
      We observed a transit of WASP-166 b using nine Next Generation Transit Survey (NGTS) telescopes simultaneously with the Transiting Exoplanet Survey Satellite (TESS) observations of the same transit. We achieved a photometric ...
    • Sonnino, Giorgio; Nardone, Pasquale; Peeters, Philippe; Tirapegui Zurbano, Enrique (American Institute of Physics, 2020)
      We show, for the first time, the explicit form of the nonlinear partial differential equations (PDEs) subject to the correct boundary conditions that have to be satisfied by transport coefficients having a vanishing ...
    • González, José M.; Olivares Alveal, Marcelo; Medellín Azuara, Josué; Moreno Vieyra, Rodrigo (Springer, 2020)
      Reservoir operations often require balancing among several water uses. Despite the non-consumptive nature of hydropower, conflicts exist between irrigation and hydropower due to a demand seasonality mismatch. Hydropower ...
    • Vidal, Matías; Dickinson, Clive; Harper, S. E.; Casassus Montero, Simón; Witt, A. N. (Oxford University Press, 2020)
      We study the anomalous microwave emission (AME) in the Lynds Dark Nebula (LDN) 1780 on two angular scales. With publicly available data at an angular resolution of 1 degrees, we studied the spectral energy distribution of ...