Wells and other conference participants for their comments on the earlier version of this paper. The views expressed in this paper are those of the authors and should not be attributed to the Reserve Bank of Australia.

Horizontal wells or radial collector wells are used in shallow aquifers to enhance water withdrawal rates. Groundwater flow patterns near these wells are three-dimensional (3D), but difficult to represent in a 3D numerical model because of the high degree of grid refinement needed. However, for the purpose of designing water withdrawal systems, it is sufficient to obtain the correct production ...

Terrestrial long-distance migrations are declining globally: in North America, nearly 75% have been lost. Yet there has been limited research comparing habitat suitability and connectivity models to identify migration corridors across increasingly fragmented landscapes. Here we use pronghorn (Antilocapra americana) migrations in prairie habitat to compare two types of models that identify habit...

OBJECTIVE To investigate the microbiological quality of well water in the Kalutara district. METHOD A retrospective analysis was carried out of reports on water samples taken from tube wells, protected wells and unprotected wells in Kalutara district in 2007. Information was obtained from laboratory registers and request forms. RESULTS In 2007, the microbiological quality of 185 samples of ...

Measurements were made of the nitrate concentration and bacterial contamination of groundwater samples taken from both dug wells and bores in the commune of Hop Thinh', in the administrative district of Vinh Phuc, Vietnam. A significant number (18%) of samples had nitrate concentrations in excess of the WHO Guideline value for drinking water of 50 mg L(-1), with a higher proportion in the dug w...

Exposure to radioactive elements or having them through drinking water causes many biological risks. Therefore, it is important to investigate the drinking water especially in regions where people depend on well water for drinking. Concentrations of some radionuclides in some water wells, in Arar city of Saudi Arabia, were measured by using Hyper Pure Germanium (HPGe) Detector. Concentrations o...

Jason Wells “...in good times and in bad...to have and to hold.” Promises of presence and support undergird most marriage vows, although their actual meaning is determined by each couple. Contemporary couples expect to create a companionate marriage, a union with emotional connectedness at its core. Spouses are expected to be best friends or emotional partners as well as to serve instrumental o...

The past four years, geophysics students and faculty from Colorado School of Mines and Boise State University have studied the subsurface in the Upper Arkansas Valley, Colorado, using a combination of geological and geophysical methods. Here, we present and integrate their results from seismic, self-potential and gravity data, as well as water temperature measurements in local wells to ascertai...