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Registro Completo |
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Biblioteca(s): |
Embrapa Territorial. |
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Data corrente: |
07/01/2015 |
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Data da última atualização: |
07/01/2015 |
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Tipo da produção científica: |
Artigo em Anais de Congresso |
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Autoria: |
CAMPOS, R. C.; DEMATTÊ, J. A. M.; QUARTAROLI, C. F.; FORMAGGIO, A. R.; TISOT, D. A. |
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Afiliação: |
ROGÉRIO COSTA CAMPOS, INPE; JOSÉ ALEXANDRE MELO DEMATTÊ, USP-ESALQ; CARLOS FERNANDO QUARTAROLI, CNPM; ANTONIO ROBERTO FORMAGGIO, INPE; DANIELA ARNOLD TISOT, USP-ESALQ. |
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Título: |
Determinação da cor do solo a partir de dados radiométricos e sua relação com teores de hematita. |
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Ano de publicação: |
2003 |
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Fonte/Imprenta: |
In: SIMPÓSIO BRASILEIRO DE SENSORIAMENTO REMOTO, 11., 2003, Belo Horizonte. Anais... São José dos Campos: INPE, 2003. |
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Páginas: |
p. 2443-2449. |
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Descrição Física: |
1 CD-ROM. |
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Idioma: |
Inglês |
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Conteúdo: |
Color is widely recognized as a primary identifying parameter of soil. The physical, mineralogical, and chemical properties can be derived from assessing the subsurface color characteristics. The present research aimed to estimating the hematite content clay fraction, in laboratory, from data related to soil color obtained by using automatic devices. Fifteen subsurface soil samples from São Paulo State had their clay fraction hematite contents semiquantitavely determined by the association of chemical and physical methods and their colors evaluated in laboratory through measurements made with a spectro-radiometer. The radiometric data were used to the determination of soil color in L*a*b* and Munsell systems and to the calculation of reddish indexes (RI). The RI values show functional dependence of hematite contents and the best relation is verified with RI values derived from color determined in the L*a*b* system. Exponential models, developed from remote sensors, show themselves adequate in predicting the soil hematite contents. |
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Palavras-Chave: |
Dados radiométricos. |
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Thesagro: |
Oxido de Ferro. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/115009/1/4323.pdf
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Marc: |
LEADER 01734nam a2200193 a 4500
001 2004608
005 2015-01-07
008 2003 bl uuuu u00u1 u #d
100 1 $aCAMPOS, R. C.
245 $aDeterminação da cor do solo a partir de dados radiométricos e sua relação com teores de hematita.$h[electronic resource]
260 $aIn: SIMPÓSIO BRASILEIRO DE SENSORIAMENTO REMOTO, 11., 2003, Belo Horizonte. Anais... São José dos Campos: INPE$c2003
300 $ap. 2443-2449.$c1 CD-ROM.
520 $aColor is widely recognized as a primary identifying parameter of soil. The physical, mineralogical, and chemical properties can be derived from assessing the subsurface color characteristics. The present research aimed to estimating the hematite content clay fraction, in laboratory, from data related to soil color obtained by using automatic devices. Fifteen subsurface soil samples from São Paulo State had their clay fraction hematite contents semiquantitavely determined by the association of chemical and physical methods and their colors evaluated in laboratory through measurements made with a spectro-radiometer. The radiometric data were used to the determination of soil color in L*a*b* and Munsell systems and to the calculation of reddish indexes (RI). The RI values show functional dependence of hematite contents and the best relation is verified with RI values derived from color determined in the L*a*b* system. Exponential models, developed from remote sensors, show themselves adequate in predicting the soil hematite contents.
650 $aOxido de Ferro
653 $aDados radiométricos
700 1 $aDEMATTÊ, J. A. M.
700 1 $aQUARTAROLI, C. F.
700 1 $aFORMAGGIO, A. R.
700 1 $aTISOT, D. A.
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Embrapa Territorial (CNPM) |
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| 2. |  | FELSEMBURGH, C. A. A.; SANTOS, K. J. S. dos; CAMARGO, P. B. de; CARMO, J. B. do; TRIBUZY, E. S. Respostas ecofisiológicas de Aniba parviflora ao sombreamento. Pesquisa Florestal Brasileira, Colombo, v. 36, n. 87, p. 201-210, jul./set. 2016.| Biblioteca(s): Embrapa Florestas. |
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