Results 21 to 30 of about 225 (136)

Riesgos de desaparición de líquenes por desplazamiento del hábitat en un escenario de calentamiento global en el suroeste de los Andes venezolanos

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
doaj   +1 more source

TWO NONLINEAR MATHEMATICAL MODELS TO ESTIMATE THE INTENSITY-DURATION-RETURN PERIOD OF RAINFALL EVENTS

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
doaj   +1 more source

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
doaj   +1 more source

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, T. Matsui, T. Matsui, A. M. Fridlind   +3 more
doaj   +1 more source

Numerical Study of Meteorological Factors for Tropospheric Nocturnal Ozone Increase in the Metropolitan Area of São Paulo

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, Marcos Vinicius Bueno de Morais, Edmilson Dias de Freitas, Leila Droprinchinski Martins   +3 more
doaj   +1 more source

The Latin America Early Career Earth System Scientist Network (LAECESS): addressing present and future challenges of the upcoming generations of scientists in the region

npj Climate and Atmospheric Science, 2022
Early career (EC) Earth system scientists in the Latin America and the Caribbean region (LAC) have been facing several issues, such as limited funding opportunities, substandard scientific facilities, lack of security of tenure, and unrepresented groups ...
Ana María Yáñez-Serrano, Maricar Aguilos, Cybelli Barbosa, Tomás Rafael Bolaño-Ortiz, Samara Carbone, Stephanie Díaz-López, Sebastián Diez, Pamela Dominutti, Vanessa Engelhardt, Eliane Gomes Alves, Jenniffer Pedraza, Jorge Saturno, Zitely A. Tzompa-Sosa   +12 more
doaj   +1 more source

EFECTO DEL ACOLCHADO PLÁSTICO Y LOMBRICOMPOSTA SOBRE LA EFICIENCIA DE HONGOS MICORRÍZICOS ARBUSCULARES EN Cucurbita pepo L.

Tropical and Subtropical Agroecosystems, 2021
Antecedentes: La lombricomposta aporta nutrientes e incrementa la actividad biológica del suelo, mientras que el acolchado provee humedad y regula la temperatura modelando su actividad biológica, e influye en la morfología de las plantas, sin embargo ...
Liliana Lara-Capistrán, José Leonardo Ledea-Rodríguez, Ramón Zulueta-Rodríguez, Graciela Dolores Ávila-Quezada, Fernando Carlos Gómez-Meriño, Luis Guillermo Hernandez-Montiel   +5 more
doaj   +1 more source

A correlation between visual observations and instrumental records of cloudiness in Mexico

Geofísica Internacional, 1996
En este trabajo se explora la utilidad climática de las observaciones visuales del estado del cielo a nivel medio mensual, mediante la búsqueda de relaciones estad1sticas de alto nivel de ajuste con la heliofanía diaria media mensual medida con el ...
Adalberto Tejeda, Alfonso Vargas
doaj   +1 more source

Estimation of flood design using the instantaneous hydrograph unit: a case study of the Tecolutla river watershed, Mexico

Investigaciones Geográficas, 2012
In this research an instantaneous hydrograph unit (IUh), is used to characterize the flood design at the El Remolino station, located in the Tecolutla river watershed.
José Antonio Agustín Pérez Sesma, Laura Elena Maderey Rascón, Domitilio Pereyra Díaz, Uriel Antonio Filobello Niño   +3 more
doaj   +1 more source

Observando o céu, quantificando as nuvens e praticando modelagem: um exercício de apoio ao aprendizado das ciências atmosféricas

Revista Brasileira de Ensino de Física
As concepções pedagógicas modernas concordam com o fato de que atividades que levem o aluno a experimentar processos são fundamentais para uma perfeita e integral compreensão destes processos.
Arcilan Trevenzoli Assireu, Michelle Simões Reboita, Marcelo de Paula Corrêa   +2 more
doaj   +1 more source