Consulta: creatorFacets:"Santos,Carlos Antonio Costa dos"
Registros recuperados: 5
Data/hora: 10/06/2024 19:00:45

Energy balance measurements over a banana orchard in the Semiarid region in the Northeast of Brazil
Provedor de dados: 86
Autores: Santos,Carlos Antonio Costa dos; Silva,Bernardo Barbosa da; Rao,Tantravahi Venkata Ramana; Neale,Christopher Michael Usher.
The objective of this work was to evaluate the reliability of eddy covariance measurements, analyzing the energy balance components, evapotranspiration and energy balance closure in dry and wet growing seasons, in a banana orchard. The experiment was carried out at a farm located within the irrigation district of Quixeré, in the Lower Jaguaribe basin, in Ceará state, Brazil. An eddy covariance system was used to measure the turbulent flux. An automatic weather station was installed in a grass field to obtain the reference evapotranspiration (ET0) from the combined FAO-Penman-Monteith method. Wind speed and vapor pressure deficit are the most important variables on the evaporative process in both growing seasons. In the dry season, the heat fluxes have a...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Musa; Dry season; Eddy covariance; Latent heat flux; Sensible heat flux; Wet season.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2009001100001

Estimation of soil moisture in the root-zone from remote sensing data
Provedor de dados: 90
Autores: Bezerra,Bergson Guedes; Santos,Carlos Antonio Costa dos; Silva,Bernardo Barbosa da; Perez-Marin,Aldrin Martin; Bezerra,Marcus Vinícius Cândido; Bezerra,José Renato Cortez; Rao,Tantravahi Venkata Ramana.
Field-based soil moisture measurements are cumbersome. Thus, remote sensing techniques are needed because allows field and landscape-scale mapping of soil moisture depth-averaged through the root zone of existing vegetation. The objective of the study was to evaluate the accuracy of an empirical relationship to calculate soil moisture from remote sensing data of irrigated soils of the Apodi Plateau, in the Brazilian semiarid region. The empirical relationship had previously been tested for irrigated soils in Mexico, Egypt, and Pakistan, with promising results. In this study, the relationship was evaluated from experimental data collected from a cotton field. The experiment was carried out in an area of 5 ha with irrigated cotton. The energy balance and...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Standard relationship; SEBAL; Energy balance; Evaporative fraction; Latent heat flux.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-06832013000300005

Tendências de índices de extremos climáticos para a região de Manaus-AM
Provedor de dados: 36
Autores: Santos,Carlos Antonio Costa dos; Satyamurty,Prakki; Santos,Edilanê Mendes dos.
Foram estudadas tendências nos índices de extremos climáticos baseados em dados de precipitação para três estações localizadas em Manaus e na região circunvizinha para o período de 1971-2007. Baseado nos resultados obtidos pode ser observado que houve aumento da precipitação total anual sobre a região estudada. A estação localizada na zona urbana de Manaus (INMET) teve aumento, com significância estatística, dos eventos de precipitação iguais ou superiores a 50 mm (R50mm), na precipitação máxima acumulada em cinco dias consecutivos (Rx5day) e nos dias úmidos (R95p), indicando que Manaus poderá sofrer com o aumento das chuvas extremas. Aumento das anomalias positivas de TSM no Oceano Pacífico Equatorial leva a um aumento dos dias consecutivos secos e...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Precipitação; El Niño; Temperatura da Superfície do Mar; TNAI; TSAI.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0044-59672012000300004

Surface energy exchange and evapotranspiration from cotton crop under full irrigation conditions in the Rio Grande do Norte State, Brazilian Semi-Arid
Provedor de dados: 53
Autores: Bezerra,Bergson Guedes; Bezerra,José Renato Cortez; Silva,Bernardo Barbosa da; Santos,Carlos Antonio Costa dos.
The main objectives of this study were documenting how energy balance partitioning and ET vary seasonally along each growth season of cotton crop under full irrigation conditions in the Brazilian semiarid. The studied area was located in the Apodi Plateau, which is located on west of Rio Grande do Norte state and is an area with extensive agricultural suitability and semiarid climate. Micrometeorological measurements were taken during cotton growth season on dry seasons of 2008 and 2009 years in a cotton crop field of about 5 ha, and the energy balance components were derived from Bowen Ratio Energy Balance (BREB) method. The obtained results revealed important role of the vegetative growth of cotton crop in the energy balance partitioning. The values of...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Bowen ratio energy balance; LAI.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0006-87052015000100120

Energy balance partitioning and evapotranspiration from irrigated Muskmelon under Semi-Arid Conditions
Provedor de dados: 53
Autores: Vanomark,Giuliana Mairana Morais de Sousa; Espínola Sobrinho,José; Bezerra,José Renato Cortez; Santos,Carlos Antonio Costa dos; Azevedo,Pedro Vieira de; Silva,Saulo Tasso Araújo da; Bezerra,Bergson Guedes.
ABSTRACT The Mossoró-Assu-Baraúna district, Rio Grande do Norte State (RN), is recognized by the intense production of horticulture, mainly muskmelon for export. However, this region is often devastated by intense droughts. Thus, the muskmelon production is predominantly under irrigated condition and, due to constant threat of water resources collapse on the region, a rigorous irrigation water management in the region is needed. The main objective of this article was to analyze the seasonal pattern of energy balance partitioning and evapotranspiration on irrigated muskmelon crop on the region around Mossoró-RN. The study was carried out in two areas of commercial production of muskmelons in the Mossoró-Assu-Barúna district, during two growth seasons from...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Mossoró-Assu-Baraúna district; Net radiation; Latent and sensible heat fluxes; Soil heat flux.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0006-87052018000100168