Regional Groundwater Flow Flashcards
Subsurface flow in a groundwater basin is considered __________.
Regional
Steady flow through _________, ______________, _____________, and ________.
isotropic
homogenous media
effects of non homogeneity
anisotrophy
Movement of water is __________ .
3-D phenomenon
Method through which water enters an aquifer.
Groundwater recharge zone
An area in which ground water is discharge to the land surface, surface water, or atmosphere.
Groundwater discharge zone
Characteristics of Recharge zone
- topographic high places
- deeper water table
Characteristics of Discharge zone
- topographic lows
- shallow water table
- spring, seep, lake, or streams
-vegetation: wet soils
-arid: thicker vegetation cover or salt deposit
A line in a two-dimensional groundwater flow field such that the total hydraulic head is the same everywhere on the surface.
Equipotential lines
Connects points or equal head and thus represents the height of the water table/ or potentiometric surface of a confined aquifer, above a datum plane.
Equipotential lines
Idealize paths followed by particles of water as they move through the aquifer.
Flow lines
Forms when water table depression reaches the surface.
Depression springs
Plays a role in the settlement patter of many lands.
Spring
Thought to have therapeutic value.
Mineralized spring and thermal spring
Can be permanent or ephemeral.
Spring
Spots provide simple mechanism of springs
Topographic lows
