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| Registros recuperados: 20 | |
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| LIMA, L. A. DE S.; MARTINS, E. de S.; GOMES, M. P.; BRAGA, A. R. dos S.; LOPES, C. A.; XAVIER, D. R.; PASSOS, D. P.; CASTRO, K. B. DE; CARVALHO JÚNIOR, O. A.; GOMES, R. A. T.. |
| bitstream/item/75870/1/bolpd-284.pdf |
| Tipo: Boletim de Pesquisa e Desenvolvimento (INFOTECA-E) |
Palavras-chave: Geoprocessamento; Bacia do São Francisco; Relief; Landscape; Geoprocessing.; Geomorfologia; Solo.; Brazil; Soil.. |
| Ano: 2010 |
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/882227 |
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| Jiménez Ramírez, Raquel. |
| Los estudios geomorfopedológicos delimitan las formas del relieve de una región partiendo de su estructura y morfogénesis, y con frecuencia las geoformas determinan la diferenciación de los suelos. Por ello el objetivo de este trabajo fue actualizar la clasificación y caracterización de suelos a escala 1:250 000 partiendo desde la geomorfología, podología y finalizar en geomorfopedología del estado de Tabasco. Se realizó la recopilación de estudios recientes sobre relieve y suelos del estado de Tabasco utilizando mapas del Sistema Geológico Mexicano a escala 1: 250 000, mapas topográficos del INEGI para precisar bordes de las terrazas y zonas cársticas, para separar las alturas menores y mayores de 200 msnm; el MDE del INEGI para verificar linderos de los... |
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Palavras-chave: Geomorfología; Relieve; Suelos; Geomorphology; Relief; Soil; Producción Agroalimentaria en el Trópico; Maestría. |
| Ano: 2013 |
URL: http://hdl.handle.net/10521/2213 |
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| MARTINS, E de S.; REATTO, A.; SILVA, A. V. da; FARIAS, M. F. R.; CARVALHO JÚNIOR, O. A. de; GUIMARÃES, R. F.. |
| RESUMO A área selecionada para estudo foi a bacia hidrográfica do ribeirão Taguatinga (BHRT), Distrito Federal onde está localizada a Área de Relevante Interesse Ecológico Parque Juscelino Kubitschek (ARIE PARQUE JK), com área de 7.298,92 hectares, entre as coordenadas 15°30' e 15°40' S, e 47°50' e 48°12'W. Este estudo teve como finalidade caracterizar e mapear a geomorfologia da BHRT, em escala 1:25.000, para subsidiar o zoneamento ambiental e o plano de manejo d ARIE JK. Foram definidas unidades de mapeamento em três níveis hierárquicos, considerando as variáveis mais importantes para subsidiar estudos ambientais. No 1° nível, foram definidas as unidades: TOPOS DE CHAPADA (A), com 43,74% da área; RAMPAS (B), com 33,62% da área; ZONAS DE DISSECAÇÃO (C),... |
| Tipo: Boletim de Pesquisa e Desenvolvimento (INFOTECA-E) |
Palavras-chave: Mapeamento; Classificação; Zoneamento ambiental; Geormophology; Relief; Environmental zoning.; Geomorfologia; Relevo; Solo.; Cartography; Soil.. |
| Ano: 2004 |
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/569514 |
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| MARTINS, E. de S.; REATTO, A.; FARIAS, M. R.; SILVA, A. V. da; BLOISE, G. L. F.; CARDOSO, E. A.; SPERA, S. T.; CARVALHO JÚNIOR, O. A de; GUIMARÃES, R. F.. |
| RESUMO: Este trabalho teve como objetivo caracterizar e mapear a geomorfologia da margem direita do Córrego Divisa, na Bacia do Rio São Bartolomeu, DF em escala 1:10.000. O mapa geomorfológico foi confeccionado a partir do cruzamento dos planos de informação de altimetria, de declividade e de hidrografia em Sistema de Informação Geográfica. O trabalho de campo permitiu o relacionamento entre os compartimentos geomorfológicos e outras variáveis ambientais. Foram caracterizados cinco compartimentos geomorfológicos: o compartimento I relaciona-se com o topo convexo e relevo plano; o II relaciona-se às vertentes convexo-côncavas e relevo ondulado; o III, com vertentes convexas e relevo plano a suave-ondulado; e o V, com planície e o relevo plano. O relevo... |
| Tipo: Boletim de Pesquisa e Desenvolvimento (INFOTECA-E) |
Palavras-chave: Paisagem; Relief; Wathersheds; Landscape.; Bacia Hidrográfica; Geomorfologia; Sistema de Informação Geográfica; Solo.; Geomorphology; Geographic information systems; Soil.. |
| Ano: 2002 |
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/559608 |
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| Camargo,Livia Arantes; Marques Júnior,José; Pereira,Gener Tadeu. |
| A good knowledge of the spatial distribution of clay minerals in the landscape facilitates the understanding of the influence of relief on the content and crystallographic attributes of soil minerals such as goethite, hematite, kaolinite and gibbsite. This study aimed at describing the relationships between the mineral properties of the clay fraction and landscape shapes by determining the mineral properties of goethite, hematite, kaolinite and gibbsite, and assessing their dependence and spatial variability, in two slope curvatures. To this end, two 100 × 100 m grids were used to establish a total of 121 regularly spaced georeferenced sampling nodes 10 m apart. Samples were collected from the layer 0.0-0.2 m and analysed for iron oxides, and kaolinite and... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Iron oxides; Kaolinite; Gibbsite; Goethite; Hematite; Relief. |
| Ano: 2013 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-06832013000200001 |
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| Pinheiro Junior,Carlos Roberto; Pereira,Marcos Gervasio; Fontana,Ademir; Luz,Lucia Raquel Queiroz Pereira da; Corrêa Neto,Thaís de Andrade. |
| ABSTRACT The Borborema Plateau is characterized by different stages of relief evolution, which modify the climate and vegetation, and where high-altitude tropical forests can be seen surrounded by caatinga. The aim of this study was to characterize the soils of a topo-climosequence in the Agreste region of the State of Pernambuco, and evaluate the influence of the relief and climate on the pedogenesis. A topo-climosequence was selected, and trenches were opened in the geomorphological features of high-altitude forest (P1), between forest and pediplane (P2) and on a pediplanation surface (P3 and P4). A morphological description and a physical, chemical and micromorphological characterization were carried out. In general, the soils are sandy, with the... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Relief; Micromorphology; Sandy soils. |
| Ano: 2019 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1806-66902019000200177 |
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| Silva,William Goulart da; Metzger,Jean Paul; Bernacci,Luis Carlos; Catharino,Eduardo Luís Martins; Durigan,Giselda; Simões,Sílvio. |
| The aim of this work was to explore the relationship between tree species richness and morphological characteristics of relief at the Ibiúna Plateau (SE Brazil). We sampled 61 plots of 0.30 ha, systematically established in 20 fragments of secondary forest (2-274 ha) and in three areas within a continuous secondary forest site, Morro Grande Reserve (9,400 ha). At each plot, 100 trees with diameter at breast height > 5 cm were sampled by the point centered quarter method, and total richness and richness per dispersal and succession class were obtained. The relief was characterized by the mean and variance of slope, elevation, aspect and slope location. There was no significant relationship between relief heterogeneity and tree species richness. Relief... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Relief; Tree species richness and composition; Atlantic Forest; Land use. |
| Ano: 2008 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062008000200026 |
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| Souza,Zigomar Menezes de; Marques Júnior,José; Pereira,Gener Tadeu; Barbieri,Diogo Mazza. |
| Soils with small variations in relief and under the same management system present differentiated spatial variabilities of their attributes. This variability is a function of soil position in the landscape, even if the relief has little expression. The aim of this work was to investigate the effects of relief shape and depth on spatial variability of soil chemical attributes in a Typic Hapludox cultivated with sugar cane at two landscape compartments. Soil samples were collected in the intercrossing points of a grid, in the traffic line, at 0-0.2 m and 0.6-0.8 m depths, comprising a set of 100 georeferenced points. The spatial variabilities of pH, P, K, Ca, Mg, cation exchange capacity and base saturation were quantified. Small relief shape variations lead... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Geostatistics; Kriging; Relief; Sugar cane. |
| Ano: 2006 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162006000200008 |
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| Silva,Bruno Montoani; Silva,Sérgio Henrique Godinho; Oliveira,Geraldo Cesár de; Peters,Petrus Hubertus Caspar Rosa; Santos,Walbert Júnior Reis dos; Curi,Nilton. |
| Digital techniques and tools can assist not only in the prediction of soil properties, such as soil moisture, but also in planning the use and management of areas for agriculture and, or, environmental purposes. In this sense, this work aimed to study wetness indexes methods, defining the spatial resolution and selecting the estimation method that best correlates with water content data measured in the field, evaluating even moisture at different soil depths and seasons. This study was developed in a landscape with strongly undulated relief and covered with Nitosols at the summit and upper middle third, and Argisols at the low middle third, ranging in altitude from 845 to 890 m, located in the southern state of Minas Gerais, Brazil. It were performed... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Terrain attributes; Soil water content determination; Relief; Water dynamics. |
| Ano: 2014 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542014000200005 |
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| Registros recuperados: 20 | |
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