Figure 2.

2A Image of Spot 4XI; 2B Image of Landsat 7; 2C Image of ERS2; 2D Image of Envisat. The surrounded zones show rice fields that are not detectable with Spot, but could be detected by Radar images.

Rakotomanana et al. International Journal of Health Geographics 2007 6:2   doi:10.1186/1476-072X-6-2
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