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This work summarizes the methodology applied for monitoring the temporal signatures of some Mediterranean irrigated crops using 26 Landsat-5&7 TM&ETM+ images, from 2002 to 2005. The obtained four crop maps, one for each year, allows monitoring dynamics of maize, alfalfa and fruit trees with a thematic accuracy high than 90%.
Natural and crop vegetation phenologic data become indispensable when creating thematically and geographically detailed maps through satellite images classification. Several date acquisition is necessary to achieve this cartography. However, the presence of clouds, shadows, snow, etc, is usual when many different dates are used and that fact implies an important loss in classifiable surface. This...
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