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Cropland area estimates using Modis NDVI time series in the state of Mato Grosso, Brazil. Repositório Alice
VICTORIA, D. de C.; PAZ, A. R. DA; COUTINHO, A. C.; KASTENS, J.; BROWN, J. C..
The objective of this work was to evaluate a simple, semi‑automated methodology for mapping cropland areas in the state of Mato Grosso, Brazil. A Fourier transform was applied over a time series of vegetation index products from the moderate resolution imaging spectroradiometer (Modis) sensor. This procedure allows for the evaluation of the amplitude of the periodic changes in vegetation response through time and the identification of areas with strong seasonal variation related to crop production. Annual cropland masks from 2006 to 2009 were generated and municipal cropland areas were estimated through remote sensing. We observed good agreement with official statistics on planted area, especially for municipalities with more than 10% of cropland...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Cropland masks; Fourier; Cultivated area; Vegetation index.
Ano: 2012 URL: http://www.alice.cnptia.embrapa.br/handle/doc/940360
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RESEARCH REGARDING OIL SEEDS CROPS DEVELOPMENT IN ROMANIA IN THE EU CONTEXT AgEcon
Popescu, Agatha.
Professional paper
Tipo: Article Palavras-chave: Rape; Soybean; Sunflower; Cultivated area; Yield; Production; Romania; Agribusiness; Crop Production/Industries; Q10; Q01.
Ano: 2012 URL: http://purl.umn.edu/123964
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