Bedrock fracture systems facilitate weathering, allowing fresh mineral surfaces to interact with corrosive waters and biota from Earth's surface, while simultaneously promoting drainage of chemically equilibrated fluids. We show that topographic perturbations to regional stress fields explain bedrock fracture distributions, as revealed by seismic velocity and electrical resistivity surveys from...

Despite modeling groundwater as a common property resource, existing economic analyses find that the quantitative difference between competitive and socially optimal groundwater management outcomes is negligible. Thus, in contrast to the public perception of groundwater overextraction and resource depletion, there appears to be no economic rationale for groundwater management. In this paper, we...

Groundwater is an important source of potable water because it is abundant and readily available in many locations and often requires little or no treatment. In 1995, groundwater accounted for approximately 20% of potable water use in the U.S., and approximately 50% of the U.S. population relied on groundwater for their source of drinking water. In most European countries, groundwater accounts ...

We quantified nitrate (NO~-) removal rates from groundwater in a red maple (Acer rubrum L.) riparian forest subjected to NOjdosing. The site was in Southern New England on soils classified as sandy mixed mesic Haplaquept soils and contained somewhat poorly (SPD) and poorly drained (PD) soils. The specific objectives were to examine groundwater NO£ removal rates within a riparian forest with res...

Leaching of nitrogen from arable land can lead to pollution groundwater and surface water. Various measures have been implemented in agriculture reduce leaching, but there is still potential do more. To find the best agricultural management regime limit problem, leaching soils under different must be measured. Different methods estimate are available, they not thoroughly evaluated. This study c...

Recent EU legislation is directed to reverse the upward trends in the concentrations of agricultural pollutants in groundwater. However, uncertainty of the groundwater travel time towards the screens of the groundwater quality monitoring networks complicates the demonstration of trend reversal. We investigated whether trend reversal can be demonstrated by relating concentrations of pollutants i...

Many of the world's megacities depend on groundwater from geologically complex aquifers that are over-exploited and threatened by contamination. Here, using the example of Dhaka, Bangladesh, we illustrate how interactions between aquifer heterogeneity and groundwater exploitation jeopardize groundwater resources regionally. Groundwater pumping in Dhaka has caused large-scale drawdown that exten...

Groundwater is often the main or only source of fresh water supply in arid to semi-arid rural areas owing decreasing rainfall patterns, reduced availability surface and socioeconomic activities. It important understand hydro-geochemical processes influencing groundwater quality for improved management sustainability resources improve livelihoods. To process hydro-geochemistry Soutpansberg regio...

Pollution of rivers with excess nutrients due to groundwater discharge, storm water runoff, surface loading, and atmospheric deposition is an increasing environmental concern worldwide. While the storm water runoff and surface loading of nutrients into many rivers have been explored in great detailed, the groundwater discharge of nutrients into the rivers has not yet been thoroughly quantified....

Mineral extraction can significantly affect the groundwater flow and hydrochemical environment. However, for hilly areas, significant ground elevation changes complex geological conditions make it difficult to accurately analyze predict impact of mineral mining. This study takes Nuodong rare earth mining area as an example. Based on field investigations experiments, GOCAD software (version 2022...