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In hydrogeology, volumetric specific storage is much more commonly encountered than mass specific storage. Consequently, the term specific storage generally refers to volumetric specific storage . In terms of measurable physical properties, specific storage can be expressed as
Specific storage (S s) and its depth-integrated equivalent, storativity (S=S s b), are indirect aquifer properties (they cannot be measured directly); they indicate the amount of groundwater released from storage due to a unit depressurization of a confined aquifer. They are fractions between 0 and 1.
The aquifer properties of the aquifer essentially depend upon the composition of the aquifer.The most important properties of the aquifer are porosity and specific yield which in turn give its capacity to release the water in the pores and its ability to transmit the flow with ease.
Catchment hydrology – Hydrology of drainage basins; Hydraulic tomography – Use of multiple hydraulic tests to characterize an aquifer; Overexploitation – Depleting a renewable resource; Seasonal thermal energy storage – Storage of heat or cold for periods of up to several months
Depending on the properties of the aquifer and the size of the slug, the water level may return to pre-test levels very quickly (thus complicating accurate collection of water level data). A slug can be added by either quickly adding a measured amount of water to the well or something which displaces a measured volume (e.g., a long heavy pipe ...
A WRS, such as a river, an aquifer or a lake, must obey water balance. For example, the volume of water that goes into an aquifer must be equal to the amount that leaves it plus its change in storage. Under various drivers, such as, climate change, population increase, and bad management, water storage of many WRS is decreasing, say per decade ...
Elevated insulin impacts weight in two important ways: it stops fat breakdown and boosts fat storage. Low blood sugar doesn't help either. It can make you feel tired and hungry, which can lead to ...
In hydrogeology, an aquifer test (or a pumping test) is conducted to evaluate an aquifer by "stimulating" the aquifer through constant pumping, and observing the aquifer's "response" in observation wells. Aquifer testing is a common tool that hydrogeologists use to characterize a system of aquifers, aquitards and flow system boundaries.