thermal use of shallow groundwater

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Thermal Use Of Shallow Groundwater

Author : Fritz Stauffer
ISBN : 9781466560208
Genre : Technology & Engineering
File Size : 64. 17 MB
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The thermal use of the shallow subsurface is increasingly being promoted and implemented as one of many promising measures for saving energy. A series of questions arises concerning the design and management of underground and groundwater heat extraction systems, such as the sharing of the thermal resource and the assessment of its long-term potential. For the proper design of thermal systems it is necessary to assess their impact on underground and groundwater temperatures. Thermal Use of Shallow Groundwater introduces the theoretical fundamentals of heat transport in groundwater systems, and discusses the essential thermal properties. It presents a complete overview of analytical and numerical subsurface heat transport modeling, providing a series of mathematical tools and simulation models based on analytical and numerical solutions of the heat transport equation. It is illustrated with case studies from Austria, Germany, and Switzerland of urban thermal energy use, and heat storage and cooling. This book gives a complete set of analytical solutions together with MATLAB® computer codes ready for immediate application or design. It offers a comprehensive overview of the state of the art of analytical and numerical subsurface heat transport modeling for students in civil or environmental engineering, engineering geology, and hydrogeology, and also serves as a reference for industry professionals.

Impacts Of Shallow Geothermal Energy On Groundwater Quality

Author : Matthijs Bonte
ISBN : 9781780406817
Genre : Science
File Size : 43. 83 MB
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The use of shallow geothermal energy (SGE) systems to acclimatize buildings has increased exponentially in the Netherlands and worldwide. In certain areas, SGE systems are constructed in aquifers also used for drinking water supply raising the question of potential groundwater quality impact. Impacts of Shallow Geothermal Energy on Groundwater Quality provides a hydrochemical and geomicrobial overview of the effects of ground source heat pumps and aquifer thermal energy storage. The area is investigated with field and laboratory experiments, and reactive transport models, showing that shallow geothermal energy systems can influence groundwater quality in a number of ways. Most prominent in open ground source heating systems operating at low temperature (20°C) is the physical mixing of deep and shallow groundwater of different quality distorting the natural water quality stratification in aquifers. At a temperature of 25°C and beyond certain trace elements were observed to mobilize in laboratory experiments, and beyond 40°C redox conditions change significantly while the microbial community shift towards a thermophilic community. div Based on the results of this research, guidelines are presented for monitoring and permitting of SGE systems. The book is a useful resource for regulators of these systems, water companies and installers of the SGE systems. Author: Matthijs Bonte, Amsterdam, The Netherlands

Springs And Bottled Waters Of The World

Author : Philip E. LaMoreaux
ISBN : 3540618414
Genre : Nature
File Size : 25. 90 MB
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This book provides information about springs, mineral waters, and thermal waters used for municipal, industrial, and agricultural water supplies and the rapidly expanding bottled water industry. The role of springs is described for ancient civilizations, military campaigns and, in more recent times, for tourism and health spas. In addition, their source, occurrence, and methods for development and use are described. The book contains data obtained from major hydrogeologic databases and from leading hydrogeologists.

Groundwater Management In Asian Cities

Author : Satoshi Takizawa
ISBN : 9784431783992
Genre : Political Science
File Size : 82. 22 MB
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In 2007, the world's urban population surpassed the number of people living in rural areas and is still growing. The number of city dwellers who do not have access to piped water and rely on groundwater is also increasing. In many Asian cities, groundwater is not only the source of domestic water but also an important resource for industrial development, making better management of groundwater resources essential for sustainable development. Because groundwater is easier to access and costs less than water from piped systems, groundwater abstraction cannot be easily regulated. Policies for groundwater management adopted in Japan and other Asian countries are compared, and technologies for efficient use of groundwater are elucidated. Groundwater contamination is also a serious problem that exacerbates water scarcity in Asian cities. Case studies illustrate the cause and consequences of naturally occurring contaminants such as arsenic and fluoride, and groundwater contamination due to anthropogenic contaminants is described. Also discussed are technologies for treating contaminated groundwater to reduce the health risks of drinking contaminated groundwater.

Cenozoic Geology And Geothermal Systems Of Southwestern Utah

Author : Robert E. Blackett
ISBN : UOM:39015055738127
Genre : Geology
File Size : 90. 81 MB
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United States Geological Survey Professional Paper

Author :
ISBN : UOM:39015037727677
Genre : Geology
File Size : 85. 19 MB
Format : PDF
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Restructuring The Geothermal Industry

Author : Geothermal Resources Council. Meeting
ISBN : STANFORD:36105009712642
Genre : Nature
File Size : 73. 36 MB
Format : PDF, Kindle
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