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Charles R. Ortloff and Alan L. Kolata
Raised-field agricultural systems have received attention from scholars involved in the analysis of prehistoric agricultural intensification in the New World. This paper discusses the function of raised fields associated with the Tiwanaku society (500?11...
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Aldo S. Moya-Álvarez, José Gálvez, Andrea Holguín, René Estevan, Shailendra Kumar, Elver Villalobos, Daniel Martínez-Castro and Yamina Silva
The ability of the WRF-ARW (Weather Research and Forecasting-Advanced Research WRF) model to forecast extreme rainfall in the Central Andes of Peru is evaluated in this study, using observations from stations located in the Mantaro basin and GOES (Geosta...
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Katja Trachte
Atmospheric moisture pathways to the highlands of the tropical Andes Mountains were investigated using the Weather Research and Forecasting (WRF) model, as well as back-trajectory analysis. To assess model uncertainties according to the initial and later...
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César Arriagada,Rodolfo Ferrando,Loreto Córdova,Diego Morata,Pierrick Roperch
Pág. 419 - 437
In this paper we show the results of a paleomagnetic study carried out along the western Andes of central Chile from 30° to 36°S. Whereas paleomagnetic analysis from Jurassic to Late Cretaceous rocks in the Pampean flat slab segment shows small or non si...
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NELSON J. FERREIRA,A. A. CORREIA,MARÍA C.V. RAMÍREZ
This paper analyzes the synoptic scale features of the upper and lower level tropospheric circulation over tropical South America during the first Atmospheric Mesoscale Campaign in the Wet Season (WETAMC) of the Large Scale Biosphere ? Atmosphere Expe...
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Kennard, D. K.; Gholz, H. L.
Pág. 119 - 129
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MARÍA C. V. RAMÍREZ,MARY T. KAYANO,NELSON J. FERREIRA
Daily European Centre for Medium Range Weather Forecasts (ECMWF) analyses for the 1980-1989 period are used to study cyclonic vortices at the upper tropospheric levels (CVULs) in the vicinity of northeast Brazil. The occurrence of CVULs shows signific...
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Ernst Kiefer,Mathias J. Dorr,Hillert Ibbeken,Hans-J. Gotze
Pág. 165 - 185
ABSTRACT. Alluvial fans and their catchments provide joint erosion and sedimentation regions, where exogenic mass transfer can be handled as a finite volume problem. The Arcas Fan in the Andean forearc of Northern Chile, one of the world?s largest alluvi...
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Christopher Halls,Albrecht Schneider
Pág. 41 - 56
Resumen. Los depositos de estano del mundo estan ubicados en diferentes ambientes geotectonicos y asociados a series de Rocas igneas con caracteristicas quimicas y petrologicas especificas. En la Provincia Estannifera Boliviana, la mineralizacion Esta as...
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