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Itens para a visualização no momento 21-30 of 78
Implementação de um modelo de coluna simples para a camada limite estável utilizando diferentes formulações de turbulência
(Universidade Federal de Santa Maria, 2012-10-01)
In this work a single column model is implemented, aiming primarily to simulate the Stable
Boundary Layer (SBL). The model is composed of prognostic equations for the potential
temperature, specific humidity and the wind ...
Variação sazonal da acumulação e fluxo noturnos de escalares em uma pastagem na região Amazônica
(Universidade Federal de Santa Maria, 2010-10-01)
Carbon dioxide and Radon nocturnal vertical accumulations over a pasture site at the Amazon region are investigated. The site is characterized by a strong thermal stability along the night, which is responsible for suppressing ...
Condicionantes meteorológicos para a eficácia de controle de Spodoptera frugiperda (J.E. Smith, 1797) (Lepidoptera: noctuidae) em milho
(Universidade Federal de Santa Maria, 2020-02-20)
The maize crop (Zea mays) has great economic importance for Brazil, but the occurrence
of the fall armyworm, Spodoptera frugiperda (J.E. Smith, 1797) (Lepidoptera: Noctuidae),
can cause great losses in productivity, ...
Influência do El Niño Oscilação Sul (ENOS) nas precipitações anômalas e seu impacto nas principais culturas de Honduras
(Universidade Federal de Santa Maria, 2020-02-27)
The Central America region, in specific Honduras, is located in an exposed area to the manifestation of climatic phenomena, such as El Niño-Southern Oscillation (ENSO), which propitiates variations in the precipitation ...
Variabilidade na produção primária líquida em modelos de superfície para sítios sul-americanos
(Universidade Federal de Santa Maria, 2013-03-14)
This study analyzes simulations of Net Primary Production (NPP) from 15 different landsurface
models (LSMs) and biomass pools from 6 different LSMs using meteorological
conditions measured at 8 sites from Large-Scale ...
Validação do modelo Agro-ibis para um sítio experimental de soja no Rio Grande do Sul
(Universidade Federal de Santa Maria, 2011-03-24)
The Agro-IBIS model is validated for a soybean experimental site in the state of Rio Grande
do Sul. This experiment is conducted in order to evaluate the impact of different soil
management systems on different areas of ...
Validação da precipitação do modelo BAM em eventos de ZCAS
(Universidade Federal de Santa Maria, 2020-02-18)
One of the main meteorological variables for defining the climate of each region is precipitation.
In Brazil, each region has a characteristic rainfall regime, according to the atmospheric
systems that operate. Regions ...
Simulações numéricas com o modelo WRF para os períodos seco e chuvoso no Maranhão: impacto do uso de diferentes modelos de fechamento de turbulência
(Universidade Federal de Santa Maria, 2020-02-27)
This work aimed to evaluate the impact of different Planetary Boundary Layer (PBL) parameterization
schemes in simulations for of Maranhão (Brazil) state, using the WRF model.
Studies on model simulations using PBL ...
Sensibilidade do fechamento do balanço de energia a métodos de processamento de dados de fluxos superficiais sobre o bioma Pampa
(Universidade Federal de Santa Maria, 2016-01-25)
This work took place a procedure for processing the data fluxes measured by a system eddy covariance in an experimental site with representative vegetation of the Pampa biome in conjunction with measures of a meteorological ...
Variações climáticas na precipitação do Rio Grande do Sul no clima presente e futuro
(Universidade Federal de Santa Maria, 2011-03-17)
This study presents the analysis of precipitation trends for the Southern region of Brazil, for three present climate periods with a comparison between precipitation
data and data of the regional Model RegCM3 and an ...