Altimetry
Mostrando 13-24 de 30 artigos, teses e dissertações.
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13. Caracterização do acoplamento físico-biológico causado por ondas de Rossby baroclínicas / Characterization of physical-biological coupling caused by baroclinic Rossby waves
Ondas de Rossby do primeiro modo baroclínico em médias latitudes foram observadas em dados de anomalia da altura da superfície do mar dos radares altimétrico TOPEX/Jason-1 na última década. Entretanto, sinais similares são observados em dados de concentração de clorofila a obtidos através de dados na faixa espectral visível através do sensor SeaW
Publicado em: 2008
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14. Evaluation of the hydraulic potential in hydrographic basins by using the geographical information systems / Avaliação do potencial hidráulico em bacias hidrográficas por meio de Sistemas de Informações Geográficas
The hydroelectric resources in the Country, either in terms of the capacity already installed and its potential still unexplored rather represent greatly strategic and economically important assets. In generation of the decentralized electric power, the hydroelectric minicentrals (MCHs) are distinguished within an environmental management and preservation co
Publicado em: 2007
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15. Characterization of the natural and anthropic factors which have been responsible for erosion acceleration of the urban area of the basin of the Campo Alegre stream / Caracterização dos fatores naturais e antrópicos responsáveis pelo desencadeamento das feições erosivas na cabeceira do Córrego Campo Alegre
This work aims to characterize the natural and anthropic factors which have been responsible for the erosion acceleration of the urban area of the basin of Campo Alegre stream. The study area has approximately 5,52km2 and is located in the southeast portion of the city of Uberlândia, MG, between the geographical coordinates 18o 57 21" and 18o 58 35" south l
Publicado em: 2007
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16. Geotecnologias como contribuição ao estudo do agroecossistema cafeeiro de Minas Gerais em nível municipal / Geotechnologies as contribution to the study of coffee crop agro system at municipal level in Minas Gerais state
Coffee crop, an important economic and social activity to Brazil, is an agrobusiness segment that has not updated information about the agroecosystem and the productive profile. In this sense, it was proposed in the year of 2004 a multidisciplinary and multi institutional project, involving INPE, EMBRAPA and UFLA to characterize the coffee agroecosystem in M
Publicado em: 2006
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17. TERRAIN ELEVATION MODELLING WITH CONVENTIONAL ALTIMETRY AND GPS / MODELAGEM DA ELEVAÇÃO DO TERRENO COM ALTIMETRIA CONVENCIONAL E GPS
The Global Positioning System has all heights referred to the ellipsoid. However, for engineering applications it is necessary to have heights related to the earth gravitational field, which have physical meaning. In order to determine the orthometric height from the geoidal height, which is given at the GPS, it is necessary to know the geoidal undulation. T
Publicado em: 2006
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18. Use of altimetry and images of satellite in the differentiation of forest types / Uso de altimetria e imagens de satÃlite na diferenciaÃÃo de tipos florestais
This work shows the auxiliary data integration to improve the differentiation of forest types with the digital classification of image of sensor ETM+ (Landsat 7). The auxiliary data are here compared with topography of the place. The study area is into a brejo de altitude and is located among the cities of Belo Jardim, Brejo da Madre de Deus e TacaimbÃ, in
Publicado em: 2005
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19. Propostas para o controle de qualidade de bases cartográficas com ênfase na componente posicional. / Purpose from the cartographic bases quality control with emphasis in the positional component.
The purpose from this job is to create new alternatives and solutions for the mapping quality control with emphasis on the positional component. A bibliographic revision of cartography standards from over 60 countries have been done, what has resulted in suggestions for the Brazilian ones. The following themes have been tackled: number of control points for
Publicado em: 2005
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20. Calibração dos modelos digitais de elevação gerados por interferometria SAR nas bandas PEX / x
The objective of this work is to evaluate and calibrate the altimetric models generated by techniques of interferometry SAR in X and P bands, as well as evaluating erros in the method used in the acquisition of ground data. The calibration was performed in order to compensate the interferometric methodology erros, acquisitions erros and ground control points
Publicado em: 2005
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21. THERMAL FIELD AND URBAN HEAT ISLANDS ESTUDY IN SANTA MARIA-RS / ESTUDO DO CAMPO TÉRMICO E DAS ILHAS DE CALOR URBANO EM SANTA MARIA-RS
The objective of this work was to analyze the thermal field and the urban heat islands in Santa Maria and its surroundings, relating their thermal and spatial behaviors throughout both urban and natural interaction, facing the imposition of types of weather originated from Prefrontal Phase and Polar Domain atmospheric conditions, during the winter. The Therm
Publicado em: 2005
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22. Imagens EOS-MODIS e LANDSAT 5 TM no estudo da dinâmica das comunidades de macrófitas na várzea amazônica / EOS-MODIS and LANDSAT 5 images for the study of macrophyte community dinamics in the Amazon varzea
Wetlands encompass about 4 to 6% of the terrestrial surface, occurring in all climates, from the tropics to the tundra, in all continents, and exhibit considerable function in the global carbon cycle, being responsible for up to 72% of the global total methane emissions by non-anthropogenic sources. The Amazon river floodplain is one of the most extensive ar
Publicado em: 2004
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23. Imagens EOS-MODIS e LANDSAT 5 TM no estudo da dinâmica das comunidades de macrófitas na várzea amazônica / EOS-MODIS and LANDSAT 5 images for the study of macrophyte community dinamics in the Amazon varzea
Wetlands encompass about 4 to 6% of the terrestrial surface, occurring in all climates, from the tropics to the tundra, in all continents, and exhibit considerable function in the global carbon cycle, being responsible for up to 72% of the global total methane emissions by non-anthropogenic sources. The Amazon river floodplain is one of the most extensive ar
Publicado em: 2004
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24. Time variability of sea surface parameters in the tropical Atlantic using satellite and in situ data
The influence of the tropical Atlantic Ocean over the climate of Europe, Africa and America is well known today. However, several questions about high-frequency processes in this region remain open. This thesis addresses the characterisation of the diurnal and other short timescale variability of the meteo-ocean variables measured in the tropical Atlantic Oc
Publicado em: 2004