Dune slacks are seasonal wetlands, high in biodiversity, which experience considerable within-year and between-year variations in water-table. They are subject to many pressures including climate change, land use change and eutrophication. Despite their biological importance and the threats facing them, the hydrological and nutrient parameters that influence their soil properties and biodiversi...

Groundwater models are being constructed to evaluate the impact of increased development on two adjacent sandy barrier islands on the northern Gulf coast of Florida, USA. To characterize the hydrostratigraphy and seasonal variability we are conducting resistivity and electromagnetic profiles across the freshwater lens and seepage meter and well sampling of freshwater fluxes and heads. The islan...

important to know the age so you can assess the susceptibility of drinking water supplies to surface contamination. If you know that the groundwater in a particular area fell 10 years ago as surface rainfall, you can then decide how long it will take a surface contamination to reach the water supply. " Plummer says that information on groundwater age, or the average time since the molecules wer...

introduction groundwater resources in arid-semiarid zones universally suffer from problems of over-abstraction and declining water tables. in addition to the issues related to quantity, degradation of groundwater quality now assumes major importance in the arid and semiarid regions. in such areas, natural factors such as the low precipitation, combined with high evapotranspiration, result in hi...

Groundwater is the main water resource for plant growth and development in the saline soil of the Yellow River Delta in China. To investigate the variabilities and distributions of soil water and salt contents at various groundwater level (GL), soil columns with planting Tamarix chinensis Lour were established at six different GL. The results demonstrated the following: With increasing GL, the ...