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La pendiente en un punto del terreno se define como el ángulo existente entre el vector normal a la superficie en ese punto y la vertical. Su estimación es sencilla a partir del MDE y se basa en el cálculo de la pendiente de un plano de ajuste en cada punto o celda del modelo.<\/SPAN><\/P>

El cálculo de la pendiente del terreno es de suma importancia, ya que esta se convierte en un insumo determinante en la conformación de múltiples temáticas. <\/SPAN>La CVC ha establecido una clasificación del terreno a partir de rangos de pendiente, los cuales son tomados para hacer el análisis de pendiente de las cuencas. <\/SPAN>La capa de pendientes se elaboró a través del modelo digital de terreno de la NASA, el cual tiene una resolución espacial de 30 metros. <\/SPAN><\/P>

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