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Registro Completo |
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Biblioteca(s): |
Embrapa Pantanal. |
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Data corrente: |
16/08/2001 |
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Data da última atualização: |
30/03/2015 |
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Autoria: |
MOREIRA, M. A.; CHEN, S. C.; BATISTA, G. T. |
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Afiliação: |
Instituto de Pesquisa Espaciais (Sao Jose dos Campos, SP). |
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Título: |
Wheat area estimation using digital Landsat MSS data and aerial photographs. |
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Ano de publicação: |
1986 |
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Fonte/Imprenta: |
Sao Jose dos Campos: INPE, 1986. |
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Páginas: |
25p. |
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Série: |
(INPE-3824-PRE/900). |
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Idioma: |
Inglês |
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Conteúdo: |
A procedure to estimate wheat (Triticum aestivum L) area using sampling technique based on aerial photographs and digital LANDSAT MSS data was developed. Aerial photographs covering 720km2 were visually analyzed. Computer classification of LANDSAT MSS data acquired on Sept. 4, 1979 was done using unsupervised and supervised algorithms and classification results were spatially filtered using a post-processing technique. To estimate wheat area, a regression approach was applied using different samples sizes and various sampling units. Based on four decision criteria proposed in this study, it was concluded that: (a) as the size of sampling unit decreased, the percentage of sample area required to obtain similar estimation performance also decreased; (b) the lowest percentage of the area sampled for wheat estimation under established precision and accuracy criteria through regression estimation was 13.09% using 10km2 as the sampling unit; and (c) wheat area estimation obtained by regression estimation was more precise and accurate than those obtained by direct expansion method. |
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Palavras-Chave: |
Aerial photograph; Area estimation; Digital processing; Estimativa de area; Fotografia aerea; Landsat data; Processamento digital. |
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Thesagro: |
Sensoriamento Remoto. |
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Thesaurus Nal: |
remote sensing. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01823nam a2200265 a 4500
001 1808377
005 2015-03-30
008 1986 bl uuuu u0uu1 u #d
100 1 $aMOREIRA, M. A.
245 $aWheat area estimation using digital Landsat MSS data and aerial photographs.
260 $aSao Jose dos Campos: INPE$c1986
300 $a25p.
490 $a(INPE-3824-PRE/900).
520 $aA procedure to estimate wheat (Triticum aestivum L) area using sampling technique based on aerial photographs and digital LANDSAT MSS data was developed. Aerial photographs covering 720km2 were visually analyzed. Computer classification of LANDSAT MSS data acquired on Sept. 4, 1979 was done using unsupervised and supervised algorithms and classification results were spatially filtered using a post-processing technique. To estimate wheat area, a regression approach was applied using different samples sizes and various sampling units. Based on four decision criteria proposed in this study, it was concluded that: (a) as the size of sampling unit decreased, the percentage of sample area required to obtain similar estimation performance also decreased; (b) the lowest percentage of the area sampled for wheat estimation under established precision and accuracy criteria through regression estimation was 13.09% using 10km2 as the sampling unit; and (c) wheat area estimation obtained by regression estimation was more precise and accurate than those obtained by direct expansion method.
650 $aremote sensing
650 $aSensoriamento Remoto
653 $aAerial photograph
653 $aArea estimation
653 $aDigital processing
653 $aEstimativa de area
653 $aFotografia aerea
653 $aLandsat data
653 $aProcessamento digital
700 1 $aCHEN, S. C.
700 1 $aBATISTA, G. T.
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Registro original: |
Embrapa Pantanal (CPAP) |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Hortaliças. Para informações adicionais entre em contato com cnph.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Hortaliças. |
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Data corrente: |
10/11/1993 |
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Data da última atualização: |
10/11/1993 |
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Autoria: |
FRANCA, F. H.; BUSO, J. A.; FURIATTI, R. S. |
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Afiliação: |
EMBRAPA-CNPH. |
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Título: |
Los principales problemas entomologicos y los respectivos de adapcion del manejo integrado de plagas en el cultivo de la papa en el Brasil. |
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Ano de publicação: |
1993 |
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Fonte/Imprenta: |
In: TALLER DE MANEJO INTEGRADO DE PLAGAS, 1993, Balcarce. Memorias... Balcarce: PROCIPA / INTA / CIP, 1993. |
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Páginas: |
p.25-32. |
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Idioma: |
Espanhol |
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Palavras-Chave: |
Brasil; IPM; Manejo integrado de praga; Pest insect; Potato. |
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Thesagro: |
Batata; Inseto; Praga; Solanum Tuberosum. |
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Thesaurus NAL: |
Brazil; integrated pest management. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 00842naa a2200277 a 4500
001 1750640
005 1993-11-10
008 1993 bl uuuu u00u1 u #d
100 1 $aFRANCA, F. H.
245 $aLos principales problemas entomologicos y los respectivos de adapcion del manejo integrado de plagas en el cultivo de la papa en el Brasil.
260 $c1993
300 $ap.25-32.
650 $aBrazil
650 $aintegrated pest management
650 $aBatata
650 $aInseto
650 $aPraga
650 $aSolanum Tuberosum
653 $aBrasil
653 $aIPM
653 $aManejo integrado de praga
653 $aPest insect
653 $aPotato
700 1 $aBUSO, J. A.
700 1 $aFURIATTI, R. S.
773 $tIn: TALLER DE MANEJO INTEGRADO DE PLAGAS, 1993, Balcarce. Memorias... Balcarce: PROCIPA / INTA / CIP, 1993.
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