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Soybean crop area estimation by ModisEvi data

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Academic year: 2019

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Figure 1. Rio Grande do Sul state, Brazil, and its 497 municipalities, indicating the validation  area (223 municipalities) and the three test sites.
Figure 2. Flowchart of the MCDA classification based on the Modis/Evi images.
Figure  4)  were  used  to  obtain  the  maximum  mean  Evi image. The difference between the maximum and  minimum mean Evi images was used to obtain the Evi  amplitude image (Amp)
Figure 4. Mean and standard deviation of Modis/Evi data for selected points of soybean, corn, and rice crops.
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