Abstract The Upper Cretaceous Chalk Group is renowned as a major aquifer, but the development of secondary porosity due to karstic conduits poorly understood. Hydrogeological data and evidence from boreholes, sections, tracer tests indicate that dissolutional occur throughout aquifer. Here, we assess for karst, combine it with theoretical models dissolution cave formation produce conceptual mod...

Karst is a hydrogeological environment of importance not only for its water resources potential but also for its scenic and economic potential, thereby increasing the intensity of human impact. The uniqueness of karst in this regard stems from its high sensitivity and vulnerability to imposed pressures and its distinctive response to these pressures. Therefore, a clear definition and formulatio...

One of the largest karst springs in North China, the Jinci Springs, dried up and has remained dry since 1994. We develop a correlation analysis with time-lag and a regression analysis with time-lag to study the relation between spring flow and precipitation. This allows us to obtain a better understanding of karst hydrological processes by differentiating the contribution of variation in precip...

An aquifer stratification testing system was designed, constructed, and tested. The system was designed to characterize vertical profiles of both quantity and quality of water produced from actively pumping groundwater wells. During testing, all systems functioned properly and either met or exceeded anticipated performance requirements. The system was first tested in an irrigation well complete...

Karst systems, such as caves, provide a unique opportunity to study the groundwater from inside in contrast spring studies, where hydrographs, chemographs, and thermographs show an integrated signal entire catchment aquifer. Studies karst springs that recharge conduit characteristics significantly influence how temperature is transmitted thus could inform on structure of underground flow paths....

Karst groundwater is an important natural resource for the water supply. The karst aquifer systems of Greece are developed within carbonate sedimentary (limestone, dolomite) and metamorphic rocks (marbles) contribute significantly to supply domestic irrigation use. They discharged through springs: submarine, coastal brackish inland freshwater springs. This review presents general characteristic...