Multitemporal and spatial analysis of sediment deposited in the San Jacinto reservoir
DOI:
https://doi.org/10.24850/j-tyca-2024-05-09Keywords:
Reservoir, sediments, topo-bathymetry, useful lifeAbstract
The treatment and analysis of topobatimetric measurements generates a better understanding of the sedimentary dynamics of a reservoir, which contributes to those in charge of reservoir operation to implement better management practices, as well as to design and implement effective measures for the management and conservation of these important infrastructures to ensure their sustainability. The purpose of this study was to analyze the available information from the topo-bathymetries of the San Jacinto reservoir that were executed in 1989, 1995, 2004, 2013, 2016 and 2019, in order to determine the temporal and spatial variation of the deposited sediment. This study made it possible to identify the watercourses with the highest sediment input and longitudinal morphological patterns. The results show that in 33 years of operation there is an accumulated sediment volume of 16.5 hm3, 3.1 hm3 above the dead volume foreseen in the project, evidencing the underestimation of the useful life in the design stage.
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