RT journal article
T1 Time-lapse photography for monitoring reservoir leakages (Montejaque dam, Andalusia, southern Spain)
A1 López García, Santiago
A1 Ruiz Ortiz, Verónica
A1 Muñoz Pérez, Juan José
A2 Ciencias de la Tierra
A2 Física Aplicada
A2 Ingeniería Industrial e Ingeniería Civil
K1 karst
K1 Montejaque dam
K1 non-metric cameras
K1 reservoir leakages
K1 Sierra de Líbar aquifer
K1 time-lapse photographs
AB A methodology based on the use of time-lapse photographs is presented to evaluate the leakagesover time of a reservoir (Montejaque dam, Málaga Province, Spain) that feeds a karstic aquifer. Inparticular, photographic control allows the evolution of water levels in the dam and the river thatfeeds it to be monitored. Through changes in water volume, which are calculated from the leveldifferences, daily leakages are evaluated, and the relationship between leakages and the water levelof the reservoir is established. The proposed method includes adjusting the hydric balance and theuse of digital terrain model and climate data. The inputs (river flow and direct precipitation) and otheroutputs (direct evaporation) are also evaluated. Values between 4 m3/s and 0.35 m3/s are obtainedfor the reservoir infiltration, clearly superior to the values obtained at the time of the construction ofthe dam in the 1920s. Mobilisation of the filling of fractures and conduits in karstic massif and calcitedissolution are processes that can influence this behaviour. When the water level is very low, theobtained values are below the historical leakages due to deposition of clay sediments at the reservoirbottom
PB IWA Publishing
SN 2224-7955
YR 2018
FD 2018
LK http://hdl.handle.net/10498/34390
UL http://hdl.handle.net/10498/34390
LA eng
DS Repositorio Institucional de la Universidad de Cádiz
RD 10-nov-2026