Publicación: Análisis de la dinámica espacial de la Ciénaga de Betancí durante los años 1985, 2001, 2015 y 2020 mediante imágenes satelitales Landsat
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The marshes in the department of Córdoba are bodies of water of great ecosystem importance since these are buffer zones of the rivers Sinú as main axis of Córdoba and also of the river San Jorge, where in times of growing spawning their waters in these bodies of 2 water, nourishing them at the same time with sediments and nutrients so that the fauna and flora flourish, thus creating an ecosystem balance. Over the years they have been altered by human action to irrigate lands dedicated to extensive agriculture and livestock, affecting their natural dynamics. This is why it was proposed to analyze the spatial dynamics of the Betancí Swamp over time, to look and to support if this dynamic has been positive or negative in some aspects, for the optimal results of the dynamics of the water body was worked with Landsat images, The Normalized Water Difference Index (NDWI) to discriminate the water body and then used the supervised sorting method to get better results from the water body area and how it has been behaving. The results showed that the area of the Betancí Swamp has grown significantly since 2001, where it could be observed that to this day, it has had a very different dynamic than others, since this has increased its area, although around it there are land uses that put pressure on the ecosystem, which is a clear indication that lately communities and the CVS have made efforts to recover and conserve the natural wetland and the ecosystems that are found in it.