Results 61 to 70 of about 888 (186)

Glacial geomorphology of the Marinelli and Pigafetta glaciers, Cordillera Darwin Icefield, southernmost Chile

open access: yesJournal of Maps, 2018
This paper presents a glacial geomorphological map relating to two rapidly receding glaciers in the Cordillera Darwin Icefield. The Marinelli marine-terminating glacier and Pigafetta freshwater-terminating glacier are selected to represent different ...
Eñaut Izagirre   +3 more
doaj   +1 more source

Warming Drives Large‐Scale Shifts in Post‐Disturbance Vegetation Dynamics and Expansion of Deciduous Trees in the Boreal Forest in a Dynamic Vegetation Model

open access: yesJournal of Geophysical Research: Biogeosciences, Volume 131, Issue 8, August 2026.
Abstract The intensification of disturbance regimes due to climate change is a growing concern in boreal forests, yet the long‐term consequences for forest recovery remain poorly understood, as boreal successional dynamics unfold over a century or longer and exceed the length of available observational records.
L. S. Layritz   +8 more
wiley   +1 more source

Las eolianitas de la Formación Agua de la Piedra (Mioceno Tardío), Cordillera principal (Provincia de Mendoza, Argentina)

open access: yesLatin American Journal of Sedimentology and Basin Analysis
Se analiza la sedimentología y la arquitectura depositacional de las secuencias aflorantes en las localidades de La Jaula y Agua del Médano, Provincia de Mendoza con el objetivo de dar a conocer la presencia de médanos pedemontanas, pertenecientes a la ...
Ana M. Combina
doaj  

CORRELACIONES ENTRE LAS CLASIFICACIONES GEOMECÁNICAS Q Y RMR EN EL TUNEL EXPLORATORIO DE "LA LINEA", CORDILLERA CENTRAL DE COLOMBIA.

open access: yesBoletín de Ciencias de la Tierra, 2013
Se presentan aquí los resultados de correlaciones propuestas para las clasificaciones geomecánicas RMR y Q obtenidos a partir de levantamientos de los terrenos excavados durante la construcción del Túnel Piloto de la Línea (TPL) de 8,5 km de extensión en
Alvaro Jesus Castro Caicedo   +1 more
doaj  

Dynamic Evolution of Forearc Subsidence Controlled by Slab Geometry

open access: yesJournal of Geophysical Research: Solid Earth, Volume 131, Issue 8, August 2026.
Abstract Several subduction zones worldwide present an enigmatic forearc topography and strain characterized by extension at a forearc ridge near the trench and shortening within a forearc valley located between the ridge and the magmatic arc. The development of this topography has been linked to progressive slab steepening, while strain patterns ...
F. Bolrão, W. P. Schellart
wiley   +1 more source

Potencial transmisión congénita de la enfermedad de Chagas en la segunda generación de jóvenes embarazadas que asistieron a su control prenatal en el departamento de Cordillera, Paraguay

open access: yesMemorias del Instituto de Investigaciones en Ciencias de la Salud
Trypanosoma cruzi es el agente causal de la enfermedad de Chagas. En Paraguay se estima que existen 165.000 personas infectadas y actualmente la principal vía de transmisión es la congénita, con una prevalencia del 5% y con alrededor de 400 niños ...
Graciela Meza   +2 more
doaj   +1 more source

Systematics of the Genus Hyalinaria Bethune‐Baker, 1910 (Lepidoptera: Psychidae) With Five New Species

open access: yesAustral Entomology, Volume 65, Issue 3, August 2026.
ABSTRACT The Oiketicinae genus Hyalinaria Bethune‐Baker, 1910, is revised. The use of both morphological information and genetic sequence data indicates that Hyalinaria and Pseudoclania Bethune‐Baker, 1915 sp. nov., are synonymous, with the latter genus here treated as a junior subjective synonym of the former.
Ethan P. Beaver
wiley   +1 more source

Estado actual de la exploración de fosfatos en Colombia

open access: yesBoletín Geológico, 1953
Breve referencia a la búsqueda infructuosa de potasa en los yacimientos de sal en Cundinamarca. Estos yacimientos son excemas de sal, es decir una acumulación de esa materia plástica en zonas débiles o fracturadas.
Enrique Hubach
doaj   +1 more source

Studies on Pygmy Grasshoppers: Bogotatettix Cadena‐Castañeda, García‐García & Tavares, gen. nov. (Orthoptera: Tetrigidae), a New Genus From the High Andean Forests and Páramos

open access: yesAustral Entomology, Volume 65, Issue 3, August 2026.
ABSTRACT In this contribution to the study of pygmy grasshoppers, a new genus is described, which inhabits the high Andean forests and páramos surrounding the Bogotá Savannah, Colombia. Bogotattetix Cadena‐Castañeda, García‐García & Tavares, gen. nov. includes a new species, Bogotattetix chingazaensis Cadena‐Castañeda, García‐García & Tavares, sp. nov. 
Oscar J. Cadena‐Castañeda   +4 more
wiley   +1 more source

Seismic hazard analysis for central-western Argentina

open access: yesGeodesy and Geodynamics, 2018
In this study, we present a PSHA (Probabilistic Seismic Hazard Analysis) for the city of San Juan, which is located in the central-western region of Argentina (30°S–35.5°S; 66.5°W–71°W).
Salvador Daniel Gregori   +1 more
doaj   +1 more source

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