Hydrogeology | Wikipedia audio article
Channel: wikipedia tts
Date: 2019-05-10

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Hydrogeology


00:01:13 1 Introduction
00:02:14 2 Hydrogeology in relation to other fields
00:04:51 3 Definitions and material properties
00:06:36 3.1 Aquifer
00:07:43 3.2 Hydraulic head
00:09:11 3.3 Porosity
00:10:21 3.4 Water content
00:11:03 3.5 Hydraulic conductivity
00:11:49 3.6 Specific storage and specific yield
00:12:56 3.7 Contaminant transport properties
00:13:41 3.7.1 Hydrodynamic dispersion
00:15:47 3.7.2 Molecular diffusion
00:16:55 3.7.3 Retardation by adsorption
00:18:04 4 History and Development
00:18:14 4.1 Henry Darcy: 19th century
00:18:53 4.2 Oscar Edward Meinzer: 20th century
00:19:45 5 Governing equations
00:19:55 5.1 Darcy's law
00:20:23 5.2 Groundwater flow equation
00:22:09 6 Calculation of groundwater flow
00:24:09 6.1 Analytic methods
00:24:56 6.2 Numerical methods
00:26:25 6.2.1 General properties of gridded methods
00:29:08 6.2.2 Application of finite difference models
00:30:14 6.2.3 Application of finite element models
00:31:37 6.2.4 Application of finite volume models
00:33:28 6.2.5 Other methods
00:34:10 7 Water Wells
00:35:27 7.1 Water Well Design and Construction
00:39:33 8 Issues in groundwater engineering and hydrogeology
00:39:45 8.1 Contamination
00:41:14 8.2 Controversy
00:41:23 8.2.1 Fracking
00:42:14 8.2.2 California
00:43:52 8.2.3 Colorado
00:45:07 9 New Trends in Groundwater Engineering/Hydrogeology
00:45:48 9.1 Topographical Mapping
00:46:31 9.2 The Role of Technology
00:47:21 9.3 Growing Populations
00:48:52 9.4 Dependency on Groundwater in the United States
00:49:52 10 See also



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SUMMARY
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Hydrogeology (hydro- meaning water, and -geology meaning the study of the Earth) is the area of geology that deals with the distribution and movement of groundwater in the soil and rocks of the Earth's crust (commonly in aquifers). The terms groundwater hydrology, geohydrology, and hydrogeology are often used interchangeably.
Groundwater engineering, another name for hydrogeology, is a branch of engineering which is concerned with groundwater movement and design of wells, pumps, and drains. The main concerns in groundwater engineering include groundwater contamination, conservation of supplies, and water quality.Wells are constructed for use in developing nations, as well as for use in developed nations in places which are not connected to a city water system. Wells must be designed and maintained to uphold the integrity of the aquifer, and to prevent contaminants from reaching the groundwater. Controversy arises in the use of groundwater when its usage impacts surface water systems, or when human activity threatens the integrity of the local aquifer system.