Analysis of disturbance dynamics in tinigua national natural park using time series of landsat satellite images

By applying data processing techniques of earth observation which makes easier to study human-induced changes in forest cover along with the availability of highly refined and standardized data, such as image collections LandSat 5 ETM (Enhanced Thematic Mapper), Landsat 7 E7M+ (Enhanced Thematic Mapper Plus) y Landsat 8 OH (Operational Land Imager)/TIRS (Thermal Infrared Sensor) different types of variables are considered; together with tools of Google Earth Engine, an approach is developed that makes the spatial analysis more efficient and allows to know the evolution of a geographical space of interest. For this case, it was searched through remote sensing, to provide elements of study that allowed to know the spatial evolution of the processes of transformation of the natural coverages of the Tinigua National Natural Park, finding that the first processes of change, between 1989 and 1996 were presented taking from the rivers named "Guayabero", "Guaduas" and "Rio Perdido" as ways of mobility; subsequently, between 1996 and 1998, years after the first peak of change in coverage, Colombia suffered from the harshness of the armed conflict, in that period it went from 117 hectares of forest transformed in 1996, to 2423 hectares of loss of that natural coverage in 1998, later, for 1999 this figure was drastically reduced.