Results 11 to 20 of about 27,379 (184)
Crystallization Pathways of Iron Formations: Insights From Magnetic Properties and High-Resolution Imaging of the 2.7 Ga Carajás Formation, Brazil. [PDF]
GeobiologyABSTRACT Banded iron formations (BIFs) are chemical sedimentary rocks commonly utilized for exploring the chemistry and redox state of the Precambrian ocean. Despite their significance, many aspects regarding the crystallization pathways of iron oxides in BIFs remain loosely constrained.
Teixeira L +4 more
europepmc +2 more sources
Collectanea Botanica, 2023 Con la finalidad de determinar los riesgos de pérdida local de hábitats de líquenes tomando en consideración la migración ascendente de las condiciones ambientales debido al calentamiento previsto para el presente siglo, se realizaron muestreos en el ...
Vicente Marcano, Laura Castillo
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Anales del Jardín Botánico de Madrid, 2020 Increasing temperatures and changing land-use in the Venezuelan Andes result in an accelerated decline of sensitive lichen populations. Monitoring of these populations by biological plot inventories in particularly vulnerable sites is urgently needed. In
Vicente Marcano, Laura Castillo
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Fast Mid-IR Flashes Detected During Small Solar X-Ray Bursts [PDF]
, 2010 Solar observations in the mid-infrared 8-14 \mu\m band continuum were carried out with cadence of 5 frames per second, in December 2007. Rapid small heated sources, with typical duration of the order of seconds, were found on the bright plage-like areas ...
Cassiano, Marta M. +8 more
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Ecosistemas y Recursos Agropecuarios, 2014 In developing countries, many hydraulic engineering projects for the planning, designing, operation and protection against oods use intense rainfall data to estimate maximum runo.
D Pereyra-Díaz
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enseñanza de la meteorología en el Instituto Pedagógico de Caracas: experiencia de tres décadas
Revista Boliviana de Educación, 2020 Aunque desde la creación, en 1946, del Departamento de Geografía e Historia, se incluyeron contenidos de meteorología y climatología en los programas de algunas asignaturas, el primer curso dedicado exclusivamente a estos temas se introdujo en 1969 ...
Sergio Domingo Foghin-Pillin
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O POTENCIAL DA EXPERIMENTAÇÃO EM CIÊNCIAS PARA A APRENDIZAGEM DA ATMOSFERA TERRESTRE
Revista Prática Docente, 2020 O trabalho trata-se de uma experiência vivenciada durante a disciplina de estágio supervisionado do curso de Licenciatura em Ciências Biológicas da Universidade do Estado do Amazonas.
Débora de Sena Raposo +2 more
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Updraft dynamics and microphysics: on the added value of the cumulus thermal reference frame in simulations of aerosol–deep convection interactions [PDF]
Atmospheric Chemistry and Physics, 2022 One fundamental question about atmospheric moist convection processes that remains debated is whether, or under which conditions, a relevant variability in background aerosol concentrations may have a significant dynamical impact on convective clouds and
D. Hernandez-Deckers +3 more
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Atmosphere, 2021 One of the central problems in large cities is air pollution, mainly caused by vehicular emissions. Tropospheric ozone is an atmospheric oxidizing gas that forms in minimal amounts naturally, affecting peoples’ health. This pollutant is formed by the NO2
Viviana Vanesa Urbina Guerrero +3 more
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La gestión ambiental en las pymes del sector arcilla en Cúcuta y su área metropolitana [PDF]
, 2015 Este artículo evalúa la gestión ambiental de las pequeñas y medianas empresas del sector arcilla presentes en el municipio de San José de Cúcuta y su área metropolitana.
Avendaño-Castro, Wílliam Rodrigo +2 more
core +4 more sources