Assertion: aquifer | /r/HasProperty | confined
Facets:
value: thickly
type: DEGREE
value: thinly
type: MANNER
value: semi
type: DEGREE
value: always
type: DEGREE
Source sentences:
text: Where the aquifer is unconfined or thinly confined, infiltrating water dissolves the rock and transmissivity
text: Where the aquifer is thickly confined, less dissolution occurs and transmissivity tends to be lower.
text: In areas where the aquifer is thickly confined, Miller (1986) indicated lower transmissivity was related primarily to textural changes and secondarily to the thickness of the rocks.
text: The nature of the aquifer refers to whether the aquifer is confined or unconfined.
text: When an aquitard separates the water within a water-bearing formation from the atmosphere, the aquifer is said to be confined.
text: It is found at depth and the aquifer is always confined.
text: Locations where different aquifers come into contact or are superposed, such as along major paleosurfaces where intervening confining units have been cut out, or where sand- and gravel-filled channels have cut through a confining unit, are often of great importance because they act as preferred conduits that enhance recharge (or discharge) into and out of deep aquifers, and may act as pathways for the migration of contaminants into aquifers that are otherwise confined and generally well protected from surface contamination.
text: Actual recharge rates are likely to be reduced on uplands where aquifers are confined by thick till, whose relatively low hydraulic conductivities physically limit the rate at which water can be transmitted into subjacent aquifers.
text: Where the aquifer is more thickly confined and less affected by dissolution, variations in the original porosity of the aquifer chiefly are responsible for the changes in transmissivity.
text: Ground-water flow in the St. Peter-Prairie du Chien-Jordan aquifer, as in all the aquifers in the Cambrian-Ordovician aquifer system, is downward in interstream areas where the aquifer crops out or is thinly confined; for example, in Minnesota, some of the water from precipitation moves downward into the surficial aquifer system and then moves down the vertical hydraulic gradient to recharge the upper carbonate aquifer,as shown in figure 117.
text: The aquifer is semi confined to confined.
text: Aquifers can be confined or unconfined.