The alkaline playas near Atlin, British Columbia, Canada are likely one of the few surface environments on Earth where contemporaneous formation hydromagnesite and magnesite occurs at temperatures that do not exceed 15 °C. This environment offers a unique opportunity to examine impact different mechanisms Mg isotope compositions Mg-carbonate minerals low temperature. In this study, we report co...

La investigación tuvo por objetivo determinar la influencia de acción humana en el crecimiento los fenómenos geodinámicos que derivan pérdida playas arenosas del sector Miraflores - Herradura (Costa Verde), Lima. Ante este planteamiento, se realizó una metodología campo e instrumental basada cartografía geodinámica y secciones transversales a escala 1/5000 orientada al diagnóstico riesgos geoló...

El anuncio de la apertura temporada turística verano en España plena pandemia producida por el coronavirus SARS CoV-2 trajo consigo diversas incertidumbres vinculadas a garantizar ejercicio actividad condiciones seguridad sanitaria. En este trabajo se realiza una primera aproximación capacidad las playas atlánticas andaluzas para absorber demanda recreativa y turística. Para ello calcula superf...

A partir de la expansión del COVID-19 el imaginario mundial se fue nutriendo escenas que parecían extraídas ficción: personas con máscaras antigas caminando por las calles, tumbas masivas en playas y puestos control temperatura fueron algunos los nuevos elementos pasaron a conformar paisaje urbano pandémico. Lógicamente, estado miedo como una presencia constante sobre población no tardó refleja...

Several potential dust sources, including generic sources of sparsely vegetated alluvium, playa deposits, and anthropogenic emissions, as well as the area around Owens Lake, California, affect the composition of modern dust in the southwestern United States. A comparison of geochemical analyses of modern and old (a few thousand years) dust with samples of potential local sources suggests that d...

Definition of the nature of scientific constructs can playas important a role in science as the original elaboration of an idea. Such clarification should eliminate confusion and lead to the construct's proper application. Although Darwinian evolution remains one of the greatest unifying concepts in biology, its utility has been questioned. Difficulties in defining "fittest" in the phrase "surv...

Gale crater formed from an impact on Mars *3.6 billion years ago. It hosts a central mound nearly 100 km wide and *5 km high, consisting of layered rocks with a variety of textures and spectral properties. The oldest exposed layers contain variably hydrated sulphates and smectite clay minerals, implying an aqueous origin, whereas the younger layers higher on themound are covered by amantle of d...