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Registro Completo |
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Biblioteca(s): |
Embrapa Milho e Sorgo. |
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Data corrente: |
23/06/2009 |
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Data da última atualização: |
29/05/2018 |
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Tipo da produção científica: |
Artigo em Anais de Congresso / Nota Técnica |
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Autoria: |
GUIMARAES, D. P.; LANDAU, E. C.; COSTA, T. C. e C. da. |
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Afiliação: |
DANIEL PEREIRA GUIMARAES, CNPMS; ELENA CHARLOTTE LANDAU, CNPMS; THOMAZ CORREA E CASTRO DA COSTA, CNPMS. |
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Título: |
Relevo digital dos municípios brasileiros. |
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Ano de publicação: |
2009 |
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Fonte/Imprenta: |
In: SIMPÓSIO BRASILEIRO DE SENSORIAMENTO REMOTO, 14., 2009, Natal. Anais... São José dos Campos: INPE, 2009. |
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Páginas: |
p. 7283-7290. |
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Idioma: |
Português |
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Conteúdo: |
The Brazilian Geodetic Network is being modified to the geocentric system since the creation of SIRGAS (Geocentric Reference System for South America), a system identical to WGS 84 (Wor/d Geodetic System /984). The availability of digital elevation models of mission SRTM (Shutt/e Radar Topography Mission) represent an important reference for the generation of standardized topographic bases of low cost in a geocentric system. The agricultural activity is closely related to relief characteristics, and the existence of a standardized base in a scale compatible with the agricultural use is fundamental for better utilization of the rural space. From SRTM information, data bases were generated including levei contours lines, slope and solar exposition for ali Brazilian municipalities. The levei contours, with 20 m intervals, may be visualized with SIGs or directly with Goog/e Earth. Thematic maps of slope present gradients of susceptibility to soil erosion (tlat, light undulated, moderàte undulate, undulate, very undulate and steep) and slope limitations for mechanized agriculture (12% and 18% slope). The solar exposition of the terrain presents the directions of the predominant cardinal points. The maps generated in this study represent a standardized cartographic base. This work represent an evolution in relation to previous topographical databases, allowing its access by everyone, and representing a major subsidy for the development of appropriate strategies to use and/or management of land in Brazil, including sustainable development. MenosThe Brazilian Geodetic Network is being modified to the geocentric system since the creation of SIRGAS (Geocentric Reference System for South America), a system identical to WGS 84 (Wor/d Geodetic System /984). The availability of digital elevation models of mission SRTM (Shutt/e Radar Topography Mission) represent an important reference for the generation of standardized topographic bases of low cost in a geocentric system. The agricultural activity is closely related to relief characteristics, and the existence of a standardized base in a scale compatible with the agricultural use is fundamental for better utilization of the rural space. From SRTM information, data bases were generated including levei contours lines, slope and solar exposition for ali Brazilian municipalities. The levei contours, with 20 m intervals, may be visualized with SIGs or directly with Goog/e Earth. Thematic maps of slope present gradients of susceptibility to soil erosion (tlat, light undulated, moderàte undulate, undulate, very undulate and steep) and slope limitations for mechanized agriculture (12% and 18% slope). The solar exposition of the terrain presents the directions of the predominant cardinal points. The maps generated in this study represent a standardized cartographic base. This work represent an evolution in relation to previous topographical databases, allowing its access by everyone, and representing a major subsidy for the development of appropriate strategies to use and/or manag... Mostrar Tudo |
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Palavras-Chave: |
Aspect solar exposition; Curvas de nivel; Declividade; Digital Elevation Model; Digital relief; Exposição solar; Levei contour lines; Modelo Digital do Terreno; Relevo digital; Slope; SRTM. |
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Thesagro: |
Topografia. |
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Thesaurus Nal: |
topography. |
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Categoria do assunto: |
X Pesquisa, Tecnologia e Engenharia |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/60844/1/Relevo-digital.pdf
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Marc: |
LEADER 02449nam a2200301 a 4500
001 1491975
005 2018-05-29
008 2009 bl uuuu u00u1 u #d
100 1 $aGUIMARAES, D. P.
245 $aRelevo digital dos municípios brasileiros.$h[electronic resource]
260 $aIn: SIMPÓSIO BRASILEIRO DE SENSORIAMENTO REMOTO, 14., 2009, Natal. Anais... São José dos Campos: INPE$c2009
300 $ap. 7283-7290.
520 $aThe Brazilian Geodetic Network is being modified to the geocentric system since the creation of SIRGAS (Geocentric Reference System for South America), a system identical to WGS 84 (Wor/d Geodetic System /984). The availability of digital elevation models of mission SRTM (Shutt/e Radar Topography Mission) represent an important reference for the generation of standardized topographic bases of low cost in a geocentric system. The agricultural activity is closely related to relief characteristics, and the existence of a standardized base in a scale compatible with the agricultural use is fundamental for better utilization of the rural space. From SRTM information, data bases were generated including levei contours lines, slope and solar exposition for ali Brazilian municipalities. The levei contours, with 20 m intervals, may be visualized with SIGs or directly with Goog/e Earth. Thematic maps of slope present gradients of susceptibility to soil erosion (tlat, light undulated, moderàte undulate, undulate, very undulate and steep) and slope limitations for mechanized agriculture (12% and 18% slope). The solar exposition of the terrain presents the directions of the predominant cardinal points. The maps generated in this study represent a standardized cartographic base. This work represent an evolution in relation to previous topographical databases, allowing its access by everyone, and representing a major subsidy for the development of appropriate strategies to use and/or management of land in Brazil, including sustainable development.
650 $atopography
650 $aTopografia
653 $aAspect solar exposition
653 $aCurvas de nivel
653 $aDeclividade
653 $aDigital Elevation Model
653 $aDigital relief
653 $aExposição solar
653 $aLevei contour lines
653 $aModelo Digital do Terreno
653 $aRelevo digital
653 $aSlope
653 $aSRTM
700 1 $aLANDAU, E. C.
700 1 $aCOSTA, T. C. e C. da
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Registro original: |
Embrapa Milho e Sorgo (CNPMS) |
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