GroMoPo Metadata for Almiros and Lilea spring karst model

A multicell groundwater model was constructed to investigate the potential improvement in the modelling of karstic aquifers by using a mixed equation suitable for both the free surface and pressure flow conditions in karstic conduits. To estimate the model parameters the shuffled complex evolution (SCE) optimisation method was used. This ensured a fast and objective model calibration. The model was applied to two real-world karstic aquifers and it became clear that in case of absence of water level measurements, the use of the mixed equation did not improved the performance. In cases where both spring discharge and water level measurements were available, the use of the mixed equation proved to be advantageous in reproducing the features of the observed time series especially of the water level. (c) 2005 Elsevier B.V. All rights reserved.为探究适配岩溶管道内自由表面流与有压流条件的混合方程对岩溶含水层（karstic aquifers）建模效果的潜在提升，本研究构建了多单元地下水模型。为估算模型参数，本研究采用了复形演化优化算法（shuffled complex evolution, SCE），该算法保障了模型校准过程的高效性与客观性。将该模型应用于两处实际岩溶含水层后发现：当缺乏水位监测数据时，采用该混合方程并未提升模型性能；当同时具备泉流量与水位监测数据时，采用该混合方程则可更优地复现观测时序的变化特征，尤其是水位序列的变化特征。© 2005 Elsevier B.V. 保留所有权利。