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Temporal analysis of the reduction in gas emission in areas of mechanically-harvested sugarcane using satellite imagery Ciencia e Investigación Agraria
Luna Arraes,Christiano; Camacho-Tamayo,Jesús; Tarlé Pissarra,Teresa; Bueno,Célia P; Campos,Sergio.
The primary objective of this study was to estimate the amount of gas not emitted into the air in areas cultivated with sugarcane (Saccharum offcinarum) that were mechanically harvested. Satellite images CBERS-2/CCD, from 08-13-2004, 08-14-2005, 08-15-2006 and 08-16-2007, of northwestern São Paulo State were processed using the Geographic Information System (GIS)-IDRISI 15.0. Areas of interest (the mechanically-harvested sugarcane felds) were identifed and quantifed based on the spectral response of the bands studied. Based on these data, the amount of gas that was not emitted was evaluated, according to the estimate equation proposed by the Intergovernmental Panel on Climate Change (IPCC). The results of 396.65 km² (5.91% for 2004); 447.56 km² (6.67% for...
Tipo: Journal article Palavras-chave: Geographic information system; Orbital image; Remote sensing; Saccharum offcinarum.
Ano: 2010 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-16202010000100011
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Mapping land use capability in tropical conditions adapting criteria to different levels of agricultural management Ciência e Agrotecnologia
Taveira,Luís Renato Silva; Menezes,Michele Duarte de; Teixeira,Anita Fernanda dos Santos; Curi,Nilton.
ABSTRACT Land use capability is one of the most widespread technical-interpretative classification systems, however, regional adaptations may be necessary because different attributes may affect it. For these adaptations, the Minas Gerais soil map was used as the starting point for this study. The criteria to define the land use capability were adapted to management levels with small (level A) and medium (level B) application of capital and modern technology (level C). The aim of the present study was to map land use capability for Minas Gerais state, Brazil, following the criteria adapted to different levels of management and measure the accuracy of the resulting maps. The system of land use capability is widely used by INCRA in evaluations of rural...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Soil map; Land use intensity; Mapping accuracy; Geographic information system.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542018000600631
Registros recuperados: 22
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