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Stochastic model on the mobility of petroleum in the soils of the Ecuadorian Amazon
Marco Heredia * 1, 2 , Maria de Decker 1, 3 , Valeria Villalta 1 , Mayra Vargas 1
1  Universidad Estatal Amazónica
2  Universidad Politécnica de Madrid
3  Johann Heinrich von Thünen-Institut


The Ecuadorian Amazon has an area of ​​1,23 x 107 ha, due to its mega biodiversity and its distribution is classified as a hot spot in the world. The overlap in its territory by oil activities, protected areas, ancestral territories and intangible zones generates a series of environmental conflicts. The oil spills have generated negative impacts on the soil, plants and animals, promoting an increase in the quality of the soils in the region. The objective of this study was to evaluate the oil contamination process in soils of the Northern Region of the Ecuadorian Amazon. Netlogo 3D software version 5.2.1 was used to simulate the evolution during 24 hours of oil percolation. The simulation scenarios were recorded according to the porosity (%) of the soils of the Northern Region of the Ecuadorian Amazon. The temporal evolution of the occupation of the soil by the oil particles is conditioned by the variables: texture, dynamic pressure, volume, gravity, vegetation cover. The dynamics of oil percolation in the simulations is directly proportional to the existence of porous spaces in the Ecuadorian Amazonian soil. The understanding of this phenomenon allows to define strategies of prevention and to mitigate the potential risks for the ecosystems.

Keywords: Hydrocarbons, behavior, scenario, percolation, saturation