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      Estimativa da disponibilidade de forragem do bioma Campos Sulinos a partir de dados radiométricos orbitais: parametrização do submodelo espectral Translated title: Forecast the available forage of natural pastures of Campos Sulinos biome using satellite spectral data: parameterization for the spectral submodel

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          Abstract

          Este trabalho apresenta a parametrização do submodelo espectral do modelo JONG, um modelo agrometeorológico-espectral para a previsão da disponibilidade de forragem das pastagens naturais do bioma Campos Sulinos. A parametrização foi feita testando-se a capacidade de diferentes variáveis espectrais obtidas a partir de imagens do sensor ETM+/Landsat 7 representando a disponibilidade de forragem em diferentes fases do ciclo fenológico da vegetação campestre natural do bioma Campos Sulinos. Verificou-se que as variáveis Wetness e reflectância da banda ETM+7/Landsat 7 representam o status inicial da vegetação de forma eficiente, mas não tiveram sensibilidade suficiente para eliminar os efeitos do tipo de solo na resposta espectral da vegetação.

          Translated abstract

          This research presents the parameterization for the spectral submodel of JONG model, an agrometeorologic-spectral model to forecast the available forage of natural pastures of Campos Sulinos biome. Tthe capacity of different spectral variables, gotten from images of the sensor ETM+/Landsat 7, to represent the forage availability in different phases of its fenologic cycle was realized. The Wetness variable and reflectance of the band ETM+7/Landsat 7 represent the initial status of vegetation of efficient form was verified, however had no sensitivity enough to eliminate the effect of soil type in the spectral response of the vegetation.

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          Red and photographic infrared linear combinations for monitoring vegetation

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            Second Simulation of the Satellite Signal in the Solar Spectrum, 6S: an overview

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              Estimating Absorbed Photosynthetic Radiation and Leaf Area Index from Spectral Reflectance in Wheat1

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                Author and article information

                Journal
                cr
                Ciência Rural
                Cienc. Rural
                Universidade Federal de Santa Maria (Santa Maria, RS, Brazil )
                0103-8478
                1678-4596
                December 2007
                : 37
                : 6
                : 1668-1674
                Affiliations
                [01] Porto Alegre RS orgnameUniversidade Federal do Rio Grande do Sul orgdiv1Departamento de Geografia Brasil eliana.fonseca@ 123456ufrgs.br
                [02] São José dos Campos SP orgnameInstituto Nacional de Pesquisas Espaciais Brasil
                Article
                S0103-84782007000600025 S0103-8478(07)03700625
                46affb71-2df5-4720-b8de-ed75dcf76ae8

                This work is licensed under a Creative Commons Attribution 4.0 International License.

                History
                : 10 May 2006
                : 28 February 2007
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 33, Pages: 7
                Product

                SciELO Brazil

                Categories
                Ciências do Solo

                sensoriamento remoto,Landsat,agrometeorological-spectral models,remote sensing,modelos agrometeorológicos-espectrais

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