Results 91 to 100 of about 739,498 (287)

Aplicación de la geometría fractal en las ciencias de la tierra

, 2022
El estudio de las diversas metodologías para la medida, en primera instancia, y el entendimiento, en segunda, de los cuerpos y comportamientos complejos que se observan en la naturaleza que nos rodea, son abordados en esta tesis desde el punto de vista de la geometría fractal. Este estudio abarca, dentro de lo posible, un amplio rango, sobre diferentes
openaire   +2 more sources

Runoff Reconstructions and Future Projections Indicate Highly Variable Water Supply From Pacific Rim Water Towers

AGU Advances, Volume 7, Issue 1, February 2026.
Abstract Anthropogenic climate change affects regional hydrological cycles and poses significant challenges to the sustainable supply of freshwater. The Central China water tower (CCWT) is the key source region feeding the Yangtze and Yellow Rivers, and its runoff is indispensable for the surrounding mega‐city clusters. Here we present a reconstruction
Weipeng Yue, Max C. A. Torbenson, Feng Chen, Frederick Reinig, Jan Esper, Edurne Martinez del Castillo, Shijie Wang, Xiaoen Zhao, Mao Hu, Yang Xu, Martín A. Hadad, Álvaro González‐Reyes, Fidel A. Roig, Tiyuan Hou, Honghua Cao, Hechuan Wang, Heli Zhang, Junqiang Niu, Youping Chen   +18 more
wiley   +1 more source

Efecto del contenido de azufre sobre la meteorización del carbón: comparación de dos mantos en Hato de la Virgen (Fm. Carbonera), Venezuela

Estudios Geologicos, 2000
Diez muestras de carbón bituminoso, presentando diferentes niveles de meteorización, fueron colectadas a diferentes profundidades de dos minas subterráneas ubicadas en la localidad de Hato de la Virgen, Estado Táchira, Venezuela: la galería G-ll, donde ...
M. Martínez, M. Escobar, I. Esteves, R. González, F. Galarraga   +4 more
doaj   +1 more source

Hybrid coastal edges in the Neuquén Basin (Allen Formation, Upper Cretaceous, Argentina) [PDF]

, 2015
The Allen Formation records the first Ingression Atlantic to the Neuquén Basin during the Late Cretaceous. The definition of lithofacies and facies associations interpretation for stratigraphic sections in Paso Córdoba and Salitral Moreno area, Río ...
Armas, María Paula, Sanchez, Maria Lidia   +1 more
core   +1 more source

When property becomes rent

American Ethnologist, Volume 53, Issue 1, Page 45-56, February 2026.
Abstract For millions of working‐class Mexicans, property has turned into rent. This transformation has fundamentally dislocated social reproduction in Mexico by eroding households’ ability to envision themselves as holders of patrimony and as lasting social formations. To understand how and to what effect property turned into rent, we must look to the
Inés Escobar González
wiley   +1 more source

New Geochronological Constraints on the Late Palaeozoic Tarija Basin, Southern Bolivia: Tectonic and Palaeoclimatic Implications

Terra Nova, Volume 38, Issue 1, Page 9-18, February 2026.
ABSTRACT The Carboniferous‐Permian Tarija basin of southern Bolivia evolved under major tectonic and climatic influence. The timing of transition from glacially influenced to arid conditions, after the Gondwanide tectonic event, has been based mainly on palynological correlations.
Felipe R. Ferroni, Peter G. DeCelles, Jaime Oller Veramendi, Juan Andrés Dahlquist, Mercedes di Pasquo   +4 more
wiley   +1 more source

Condicionantes variscos, extensión mesozoica e inversión cenozoica del anticlinal de Tabuenca-Rodanas (Cordillera Ibérica)

Geogaceta
El anticlinal de Tabuenca – Rodanas es una estructura NW-SE situada en el sector septentrional de la Rama Aragonesa de la Cordillera Ibérica. Está compuesto por una gran variedad de materiales paleozoicos y mesozoicos.
Raúl Lázaro González, Antonio María Casas Sainz, Carlos Luis Liesa Carrera   +2 more
doaj   +1 more source

Caracterización de saponitas y montmorillonitas beidellitas asociadas a amígdalas de basaltos de la cantera Yofre, provincia de Corrientes [PDF]

, 2016
La cantera Yofre (4 km al suroeste de la localidad de Felipe Yofre, provincia de Corrientes) explota parte de las coladas de basalto del Miembro Serra Geral de la Formación Solari del Cretácico Inferior (Turner et al. 1994). La roca en general es masiva,
Collo, Gilda, Locati, Francisco, Madsen, Lenís, Maiza, Pedro Jose, Marfil, Silvina Andrea   +4 more
core   +1 more source

Tracer Hydrology Practices, Challenges, and Opportunities Across Latin America and the Caribbean

Hydrological Processes, Volume 40, Issue 1, January 2026.
Tracer monitoring characteristics across the LAC region: overview of sampled hydrologic systems, commonly used tracers, routine and event‐based sampling strategies, integration with hydrometric measurements, and monitoring durations. ABSTRACT Tracer hydrology in Latin America and the Caribbean has made significant progress in recent decades, largely ...
Ricardo Sánchez‐Murillo, Christian Birkel, Enrico A. Yépez, Ricardo Oyarzún, María Poca, Orlando Mauricio Quiroz Londoño, Lyssette E. Muñoz‐Villers, Ana M. Durán‐Quesada, Marcia Barrera de Calderón, Rolando Sánchez‐Gutiérrez, Giovanny M. Mosquera, Ruth E. Villanueva Estrada, Geoffrey Marshall, Javier Barberena Moncada, Odalys Julissa Ibarra‐Alejos, Kegan K. Farrick, Juan Pérez Quezadas, Kristen Welsh, Francisco Fernandoy, Juan A. Torres‐Martínez, José Luis Arumí, Megan Cox, Yelba Flores‐Meza, María L. Montiel, Junior O. Hernández‐Ortiz, Miguel A. Mejía González, Claudia R. Avalos, Luis González‐Hita, Didier Gastmans, Selene Olea‐Olea, Germain Esquivel‐Hernández, Dana M. Jacob, Isadora Aumond Kuhn, Agustín Menta, Manuel Giménez, Isabel Pérez Martínez, Roger Pacheco Castro, Paola Alejandra Vásquez Cardona, Marcelo Somos‐Valenzuela, Gabriela P. Flores Avilés, Alejandro García‐Moya, Angela Méndez, Roberto E. Kirchheim, Marcela Cabrera, Haydée Osorio‐Ugarte, Juan Camacho‐Puerto, Chris Soulsby, Jodie Miller   +47 more
wiley   +1 more source

Sedimentology and stratigraphy of upper Miocene deposits from the transverse valleys of La Pampa province, Argentina [PDF]

, 2013
En la región centro-oriental de la provincia de La Pampa, comprendida en el ámbito del Bloque de La Pampa Central, los depósitos de la Formación (Fm.) Cerro Azul constituyen el registro de la sedimentación continental neógena de antepaís (Mio-Plioceno ...
Lorenzo, Florencia Romina, Mehl, Adriana Ester, Zárate, Marcelo Arístides   +2 more
core