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Registro Completo |
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Biblioteca(s): |
Embrapa Solos / UEP-Recife; Embrapa Unidades Centrais. |
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Data corrente: |
13/06/2014 |
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Data da última atualização: |
29/05/2017 |
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Autoria: |
CARVALHO, D. F. de; DURIGON, V. L.; ANTUNES, M. A. H.; ALMEIDA, W. S. de; OLIVEIRA, P. T. S. |
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Título: |
Predicting soil erosion using Rusle and NDVI time series from TM Landsat 5. |
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Ano de publicação: |
2014 |
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Fonte/Imprenta: |
Pesquisa Agropecuária Brasileira, Brasília, DF, v. 49, n. 3, p. 215-224, mar. 2014. |
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Idioma: |
Inglês |
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Notas: |
Título em português: Predição da erosão do solo com uso da Rusle e séries temporais de NDVI do Landsat 5 TM. |
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Conteúdo: |
The objective of this work was to evaluate the seasonal variation of soil cover and rainfall erosivity, and their influences on the revised universal soil loss equation (Rusle), in order to estimate watershed soil losses in a temporal scale. Twenty‑two TM Landsat 5 images from 1986 to 2009 were used to estimate soil use and management factor (C factor). A corresponding rainfall erosivity factor (R factor) was considered for each image, and the other factors were obtained using the standard Rusle method. Estimated soil losses were grouped into classes and ranged from 0.13 Mg ha‑1 on May 24, 2009 (dry season) to 62.0 Mg ha‑1 on March 11, 2007 (rainy season). In these dates, maximum losses in the watershed were 2.2 and 781.5 Mg ha‑1, respectively. Mean annual soil loss in the watershed was 109.5 Mg ha‑1, but the central area, with a loss of nearly 300.0 Mg ha‑1, was characterized as a site of high water‑erosion risk. The use of C factor obtained from remote sensing data, associated to corresponding R factor, was fundamental to evaluate the soil erosion estimated by the Rusle in different seasons, unlike of other studies which keep these factors constant throughout time |
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Palavras-Chave: |
C factor; Erosividade; Fator C; Índice de vegetação; Perda de solo; Rainfall erosivity; Soil loss. |
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Thesagro: |
Sensoriamento remoto. |
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Thesaurus Nal: |
Remote sensing; vegetation index. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/103653/1/Predicting-soil-erosion-using.pdf
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Marc: |
LEADER 02189naa a2200301 a 4500
001 1988368
005 2017-05-29
008 2014 bl uuuu u00u1 u #d
100 1 $aCARVALHO, D. F. de
245 $aPredicting soil erosion using Rusle and NDVI time series from TM Landsat 5.
260 $c2014
500 $aTítulo em português: Predição da erosão do solo com uso da Rusle e séries temporais de NDVI do Landsat 5 TM.
520 $aThe objective of this work was to evaluate the seasonal variation of soil cover and rainfall erosivity, and their influences on the revised universal soil loss equation (Rusle), in order to estimate watershed soil losses in a temporal scale. Twenty‑two TM Landsat 5 images from 1986 to 2009 were used to estimate soil use and management factor (C factor). A corresponding rainfall erosivity factor (R factor) was considered for each image, and the other factors were obtained using the standard Rusle method. Estimated soil losses were grouped into classes and ranged from 0.13 Mg ha‑1 on May 24, 2009 (dry season) to 62.0 Mg ha‑1 on March 11, 2007 (rainy season). In these dates, maximum losses in the watershed were 2.2 and 781.5 Mg ha‑1, respectively. Mean annual soil loss in the watershed was 109.5 Mg ha‑1, but the central area, with a loss of nearly 300.0 Mg ha‑1, was characterized as a site of high water‑erosion risk. The use of C factor obtained from remote sensing data, associated to corresponding R factor, was fundamental to evaluate the soil erosion estimated by the Rusle in different seasons, unlike of other studies which keep these factors constant throughout time
650 $aRemote sensing
650 $avegetation index
650 $aSensoriamento remoto
653 $aC factor
653 $aErosividade
653 $aFator C
653 $aÍndice de vegetação
653 $aPerda de solo
653 $aRainfall erosivity
653 $aSoil loss
700 1 $aDURIGON, V. L.
700 1 $aANTUNES, M. A. H.
700 1 $aALMEIDA, W. S. de
700 1 $aOLIVEIRA, P. T. S.
773 $tPesquisa Agropecuária Brasileira, Brasília, DF$gv. 49, n. 3, p. 215-224, mar. 2014.
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Registro original: |
Embrapa Unidades Centrais (AI-SEDE) |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Mandioca e Fruticultura. Para informações adicionais entre em contato com cnpmf.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Mandioca e Fruticultura. |
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Data corrente: |
27/03/2009 |
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Data da última atualização: |
30/06/2023 |
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Tipo da produção científica: |
Resumo em Anais de Congresso |
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Autoria: |
KITAJIMA, E. W.; CALEGARIO, R. F.; LOCALI-FABRIS, E. C.; NOVELLI, V. M.; BASTIANEL, M.; FREITAS-ASTÚA, J.; FRANCISCHINI, F. |
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Afiliação: |
Elliot Watanabe Kitajima, ESALQ; R. F. Calegario, ESALQ; Eliane Cristina Locali-Fabris, APTA; V. M. Novelli, APTA; M. Bastianel, APTA; Juliana Freitas-Ástua, CNPMF; F. Francischini, Alellyx Genomics. |
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Título: |
In situ detection of CiLV-C in the mite vector Brevipalpus phoenicis, evidence for a circulative type of virus/vector relationship and a model for the virus circulation in the mite. |
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Ano de publicação: |
2008 |
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Fonte/Imprenta: |
Tropical Plant Pathology, Brasilia, DF, v. 33, supl., ago. 2008. |
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Idioma: |
Inglês |
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Conteúdo: |
Presumed CiLV-C particles have been observed between membranes of adjacent cells near midgut and prosomal glands of viruliferous Brevipalpus phoenicis (Acari:Tenuipalpidae). Their viral nature was demonstrated by in situ immunogold labeling with a specific polyclonal antibody raised against CiLV-C p29, putative capsid protein, expressed in E. coli. No evidence for viral replication as the presence of viroplasm was obtained suggesting that the CiLV-C/ B. phoenicis relationship is of a circulative type in agreement with transmission and qRT-PCR data. Based on the intercellular localization of the CiLV-C virions, a model for their circulation within B. phoenicis is proposed, similar to that of the paracellular route of leukocyte diapedesis through the capillary endothelium |
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Palavras-Chave: |
Virose. |
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Thesagro: |
Doença de Planta. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01515nam a2200205 a 4500
001 1655621
005 2023-06-30
008 2008 bl uuuu u00u1 u #d
100 1 $aKITAJIMA, E. W.
245 $aIn situ detection of CiLV-C in the mite vector Brevipalpus phoenicis, evidence for a circulative type of virus/vector relationship and a model for the virus circulation in the mite.$h[electronic resource]
260 $aTropical Plant Pathology, Brasilia, DF, v. 33, supl., ago. 2008.$c2008
520 $aPresumed CiLV-C particles have been observed between membranes of adjacent cells near midgut and prosomal glands of viruliferous Brevipalpus phoenicis (Acari:Tenuipalpidae). Their viral nature was demonstrated by in situ immunogold labeling with a specific polyclonal antibody raised against CiLV-C p29, putative capsid protein, expressed in E. coli. No evidence for viral replication as the presence of viroplasm was obtained suggesting that the CiLV-C/ B. phoenicis relationship is of a circulative type in agreement with transmission and qRT-PCR data. Based on the intercellular localization of the CiLV-C virions, a model for their circulation within B. phoenicis is proposed, similar to that of the paracellular route of leukocyte diapedesis through the capillary endothelium
650 $aDoença de Planta
653 $aVirose
700 1 $aCALEGARIO, R. F.
700 1 $aLOCALI-FABRIS, E. C.
700 1 $aNOVELLI, V. M.
700 1 $aBASTIANEL, M.
700 1 $aFREITAS-ASTÚA, J.
700 1 $aFRANCISCHINI, F.
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Embrapa Mandioca e Fruticultura (CNPMF) |
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