TY - JOUR AU - Siarkos, I. AU - Latinopoulos, P. A2 - School of Civil Engineering, Aristotle University of Thessaloniki, GR54124 Thessaloniki, Greece ED - Springer PY - 2016// TI - Modeling seawater intrusion in overexploited aquifers in the absence of sufficient data: application to the aquifer of Nea Moudania, northern Greece T2 - Hydrogeology J. JO - Hydrogeology Journal SP - 2123–2141 VL - 24 PB - IAH KW - Groundwater flow KW - Seawater intrusion KW - Numerical modeling KW - Greece KW - Sensitivity analysis N2 - In many coastal areas, overexploitation of groundwater resources has led both to the quantitative degradation of local aquifers and the deterioration of groundwater quality due to seawater intrusion. To investigate the behavior of coastal aquifers under these conditions, numerical modeling is usually implemented; however, the proper implementation of numerical models requires a large amount of data, which are often not available due to the time-consuming and costly process of obtaining them. In the present study, the investigation of the behavior of coastal aquifers under the lack of adequate data isattempted by developing a methodological framework consisting of a series of numerical simulations: a steady-state, a false-transient and a transient simulation. The sequence and the connection between these simulations constitute the backbone of the whole procedure aimed at adjusting the variousmodel parameters, as well as obtaining the initial conditions for the transient simulation. The validity of the proposed methodology is tested through evaluation of the model calibration procedure and the estimation of the simulation errors (mean error, mean absolute error, root mean square error, mean relative error) using the case of Nea Moudania basin, northern Greece. Furthermore, a sensitivity analysis is performed in order to minimize the error estimates and thus to maximize the reliability of the models. The results of the whole procedure affirm the proper implementation of the developed methodology under specific conditions and assumptions due to the lack of sufficient data, while they give a clear picture of the aquifer’s quantitative and qualitative status. SN - 1431-2174 UR - https://link.springer.com/article/10.1007/s10040-016-1455-2 UR - http://dx.doi.org/10.1007/s10040-016-1455-2 N1 - exported from refbase (http://www.uhydro.de/refbase/show.php?record=52), last updated on Sat, 21 Mar 2020 13:01:49 +0100 ID - Siarkos+Latinopoulos2016 ER -