Spatial Temporal Parameters
Mostrando 1-12 de 98 artigos, teses e dissertações.
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1. Structure and dynamics of the protoplankton community in an environmentally protected urban stream
Resumo O objetivo foi investigar, em escalas espacial e temporal, a abundância das comunidades de protozoários bem como os fatores intervenientes na estruturação das mesmas em um córrego urbano. Métodos: Amostras de água para análise de comunidades biológicas (amebas testáceas, ciliados e bactérias) e para análise de variáveis limnológicas fora
Braz. J. Biol.. Publicado em: 02/12/2019
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2. Multitemporal variables for the mapping of coffee cultivation areas
Resumo: O objetivo deste trabalho foi propor uma nova metodologia para o mapeamento de áreas cafeeiras que inclui dados multitemporais como parâmetros de entrada no processo de classificação, por meio de uma série temporal NDVI do Landsat TM, juntamente com uma abordagem de classificação orientada a objeto. O algoritmo BFAST foi utilizado para a anál
Pesq. agropec. bras.. Publicado em: 07/10/2019
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3. CORRELATIONS AMONG VEGETATION INDICES AND PEANUT TRAITS DURING DIFFERENT CROP DEVELOPMENT STAGES
ABSTRACT Active optical sensors have been widely used for the spatial and temporal monitoring of peanut culture because they are accurate, non-destructive methods for rapidly obtaining data. The objective of this study was to determine the optimal stage of crop growth for collecting sensor readings based on correlations between quality indicators. In additio
Eng. Agríc.. Publicado em: 09/09/2019
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4. Spatial-temporal analysis of the surface water quality of the Pará River Basin through statistical techniques
Resumo As questões de qualidade da água são uma crescente preocupação com a recente intensificação da urbanização e industrialização de grande parte das bacias hidrográficas. Este trabalho propõe avaliar e comparar a qualidade das águas superficiais das dez sub-bacias do rio Pará, localizadas na Bacia do rio São Francisco, Minas Gerais, além
Rev. Ambient. Água. Publicado em: 04/02/2019
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5. Spatial and Temporal Potential Groundwater Recharge: the Case of the Doce River Basin, Brazil
ABSTRACT: Little is known about the groundwater recharge potential of weathered tropical catchments, where increasing water uptake is widespread to meet various water demands. This study aimed to estimate the volume of groundwater recharge of the Doce River Basin, Minas Gerais, Brazil. The BALSEQ model was applied to calculate the water balance over a period
Rev. Bras. Ciênc. Solo. Publicado em: 20/12/2018
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6. Three decades of reference evapotranspiration estimates for a tropical watershed in the eastern Amazon
ABSTRACT This study estimated the reference evapotranspiration rate (ETo) for the Itacaiúnas River Watershed (IRW), Eastern Amazonia, and measured the accuracy of eight empirical equations: Penman-Monteith (PM), Priestley-Taylor (PT), Hargreaves and Samani (HS), Camargo (CAM), Thornthwaite (TH), Hamon (HM), Kharrufa (KF) and Turc (TC) using monthly data fro
An. Acad. Bras. Ciênc.. Publicado em: 26/10/2017
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7. TOPOGRAPHIC ASPECTS IN THE SPATIAL AND TEMPORAL DYNAMIC OF NET RADIATION
ABSTRACT: The measurements obtained by remote sensing are influenced by issues related to relief. Based on that, this paper aims to analyze the spatial and temporal dynamics of the net radiation (Rn), considering the influence of topographic parameters on it, in Edgárdia Experimental Farm (FEE). It was used the methodology based on the SEBAL algorithm (Surf
Eng. Agríc.. Publicado em: 2017-09
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8. Spatial and temporal distribution of thermotolerant coliform in Canal de Passagem (Vitória - ES) - related to physico-chemical parameters and tide
Resumo O Canal de Passagem, Vitória, ES, é um sistema estuarino em processo de degradação ambiental devido à descarga de esgoto in natura e semitratado. Os usos da comunidade do entorno dos recursos locais estuarinos são conflitantes com a qualidade ambiental, o que pode oferecer riscos para a saúde pública. Os objetivos do presente trabalho foram: 1
Braz. j. oceanogr.. Publicado em: 2015-12
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9. Spatiotemporal gait parameters and recurrent falls in community-dwelling elderly women: a prospective study
BACKGROUND: Falling is a common but devastating and costly problem of aging. There is no consensus in the literature on whether the spatial and temporal gait parameters could identify elderly people at risk of recurrent falls. OBJECTIVE: To determine whether spatiotemporal gait parameters could predict recurrent falls in elderly women. METHOD: One hundred a
Braz. J. Phys. Ther.. Publicado em: 28/11/2014
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10. The spatial distribution of the subtidal benthic macrofauna and its relationship with environmental factors using geostatistical tools: a case study in Trapandé Bay, southern Brazil
Modeling the distribution patterns of the estuarine macrobenthic community has revealed itself as a difficult task due to spatio-temporal heterogeneity. This study uses ordinary kriging and Poisson modeling to generate distribution maps of the subtidal benthic macrofauna in the Trapandé Bay (southeastern Brazil). Samples were taken in duplicate from 36 loca
Zoologia (Curitiba). Publicado em: 2013-02
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11. Variabilidade espacial e temporal das propriedades quÃmicas do solo e das folhas, qualidade do fruto e produtividade em pomar de laranja Monte Parnaso
The plant nutritional quality influences directly in juice quality. Therefore it is important the knowledge of its spatial and temporary variation in the orchard for a better application and use of the inputs, larger yield and quality of fruit. This way, input maps can be generated for the best use, providing larger yield and better quality of fruits, reduct
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 08/02/2012
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12. Spatial and temporal variation in population structure of Hemigrammus marginatus (Characiformes: Characidae) in streams of the Ivinhema River Basin, Brazil
The present study has assessed spatial and temporal variations in the length structure of Hemigrammus marginatus Ellis, 1911 and estimated growth parameters for the species. Sampling was carried out in five streams in the Vitória and Piravevê sub-basins of the Ivinhema River from January to December 2002. A total of 933 specimens of H. marginatus were caug
Zoologia (Curitiba). Publicado em: 2012-08