Results 31 to 40 of about 21,460 (205)

Ionospheric response to the 2009 sudden stratospheric warming over the equatorial, low, and middle latitudes in the South American sector [PDF]

, 2015
The present study investigates the ionospheric total electron content (TEC) and F-layer response in the Southern Hemisphere equatorial, low, and middle latitudes due to major sudden stratospheric warming (SSW) event, which took place during January ...
Coster, A. J., De Abreu, A. J., De Jesus, R., Fagundes, P. R., Gende, Mauricio Alfredo, Goncharenko, L. P., Pezzopane, M., Pillat, V. G., Venkatesh, K.   +8 more
core   +2 more sources

Notas preliminares sobre o potencial de uso da experimentação no ensino de geociências na educação básica

Terrae Didatica, 2015
O presente estudo faz um levantamento de bases teóricas que permitiram à experimentação ser considerada um método científico e pedagógico e não somente uma prática empírica. Destacam-se as vertentes positivista e racionalista da Ciência juntamente com os
Renata Correia Costa, Alfredo Borges de Campos, Cleonice Rocha   +2 more
doaj   +1 more source

Intradermal infections by chigger mites (Hannemania spp.) in the Andean frog Telmatobius atacamensis (Anura, Telmatobiidae) [PDF]

, 2015
Here, we report the infection of adults of the Andean frog Telmatobius atacamensis (Anura, Telmatobiidae) by leeuwenhoekiid mites of the genus Hannemania and describe the histological characteristics of the normal and infected skin and the mite's larval ...
Goldberg, Francisco Javier, Quinzio, Silvia Inés   +1 more
core  

Evidence From Microscopy and U–Pb Geochronology as a Clue to the Influence of the Cretaceous Magmatism in the Diagenesis of Pre‐Salt Carbonate Reservoirs in the Santos Basin (Brazil)

Geological Journal, EarlyView.
Carbonates from Santos Basin revealed U–Pb ages correlated with basalt ages (A), suggesting that they were formed during magmatic events. These events placed hot CO2 in the reservoir, which, when mixed with carbonate‐rich cold water (B), led to thermal convection, enabling the formation of the U contained in the carbonates.
Marco António Ruivo de Castro e Brito, Cristiano Leite Sombra, Davy Raeder Brandão, Cleverson Guizan Silva, Sidney Luiz de Matos Mello, Eugênio Vaz dos Santos Neto, Rui Jorge Fernandes Baptista, Ramsés Capilla, Luiz Antônio Pierantoni Gambôa   +8 more
wiley   +1 more source

Pesquisas em ensino e história de ciências da terra: afinidades entre as universidades estaduais de Campinas e Feira de Santana

Terrae Didatica, 2015
Este artigo relata o vínculo entre duas cidades, Campinas e Feira de Santana, que tem origem nas raízes do Programa de Pós-Graduação em Ensino e História do Instituto de Geociências da Unicamp (PEHCT), a partir da formação de uma das autoras (JMC) no ...
Joselisa Maria Chaves, Fábio Gonçalves da Silva, Ana Paula Amorim Ramos, Karla Christiane Ribeiro Tanan   +3 more
doaj   +1 more source

Taxonomic studies of the genus Phymaturus (IGUANIA: LIOLAEMIDAE): Description of four new species. [PDF]

, 2010
After the study of a diverse collection of Phymaturus from three Argentinian institutions and additional samples collected in the last two years we discovered several populations of uncertain taxonomic status.
Abdala, Cristian Simón, Lobo Gaviola, Fernando Jose, Valdecantos, Maria Soledad   +2 more
core   +1 more source

Assessment of Soil Erosion Over Six Decades in a Long‐Term Experiment Using Fallout 137Cs and RUSLE: A South American Case Study

Land Degradation &Development, EarlyView.
ABSTRACT Soil erosion remains a major global concern affecting agricultural productivity and land sustainability. This study investigates the magnitude and variability of soil erosion in a long‐term experiment (LTE) established in 1963 in Colonia, Uruguay, aiming to compare the performance of the 137Cs tracer technique and the RUSLE model across ...
Marcos Tassano, Mirel Cabrera, Joan Gonzalez, Mario Perez‐Bidegain, Olivier Evrard, Kathrin Grahmann, J. Andrés Quincke   +6 more
wiley   +1 more source

Innovación pedagógica en Geociencias desde la lectura crítica y la argumentación pragmadialéctica

Páginas de Educación, 2023
Este artículo es resultado de una investigación acción que releva el proceso desde la capacitación en lectura y escritura académica, destinado a docentes con perfil científico en Geociencias (Universidad Nacional de Río Negro, Argentina), a su transferencia a prácticas educativas.
María Angélica Diez, David Alberto Londoño Vásquez, Maximiliano Rodríguez, Silvio Casadı́o, Laura Sofía Ramírez Mejía   +4 more
openaire   +2 more sources

Mapping arboretum research: Trends, gaps, and opportunities for biodiversity conservation, society, and climate resilience

PLANTS, PEOPLE, PLANET, EarlyView.
Arboreta bridge people and nature while conserving tree biodiversity, supporting climate resilience, and advancing environmental education. This study maps over a century of available and indexed arboretum research, uncovering trends, knowledge gaps, and opportunities for collaboration.
Catarina Patoilo Teixeira, Vítor Ramalhosa Ferreira   +1 more
wiley   +1 more source

Prof. Dr. Fernando Flávio Marques De Almeida

Terrae Didatica, 2015
O mês de agosto de 2013 ceifou-nos uma personalidade extraordinária, de cientista, cidadão e pai de família. O Dr. Fernando Flávio Marques de Almeida, por muitos conhecido como simplesmente “Professor” (assim mesmo, com P maiúsculo), foi amplamente ...
Benjamim Bley De Brito Neves, Celso Dal Ré Carneiro   +1 more
doaj   +1 more source