ABSTRACT

Kim, S.;Lee, H., and Jun, K.W., 2016. The impacts of debris torrents in Caribbean coast of Honduras, Central America. In: Vila-Concejo, A.; Bruce, E.; Kennedy, D.M., and McCarroll, R.J. (eds.), Proceedings of the 14th International Coastal Symposium (Sydney, Australia). Journal of Coastal Research, Special Issue, No. 75, pp. 1347–1351. Coconut Creek (Florida), ISSN 0749-0208.

One of the main contributing factors in creating debris torrents is heavy rainfall. Global climate changes have led to an increase in localized downpours, causing an increase in torrent occurrences as well. The purpose of this experiment is to utilize numerical simulation for the analysis of debris torrents in their behaviour and mechanism. The numerical simulation is comprised of equations calculating mass continuity and momentum in order to consider erosion, deposition, and the combination of them both. The Finite Difference Method is applied to analyze the debris torrents. The numerical model of present study was applied to four rivers in Omoa and Puerto Cortes, Honduras (Central America). Out of the four rivers, the Cuyamel River exhibited the greatest value of water discharge and water depth, and the Tulian River showed the biggest runoff real volume value for the debris torrents. It is deduced that high levels of sediment concentration affect the environment surrounding the ocean in areas consisting of both mountain areas and the ocean.

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