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Sustainability and policy for the thermal use of shallow geothermal energy

机译：浅层地热能热利用的可持续性和政策

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摘要

Shallow geothermal energy is a renewable energy resource that has become increasingly important. However, the use has environmental, technical and social consequences. Biological, chemical, and physical characteristics of groundwater and subsurface are influenced by the development of this resource. To guarantee a sustainable use it is therefore necessary to consider environmental and technical criteria, such as changes in groundwater quality and temperature. In the current study a comprehensive overview of consequences of geothermal systems in shallow aquifers is provided. We conclude that there is still a lack of knowledge on long-term environmental consequences. Due to local differences in geology and hydrogeology as well as in technical requirements, it is not recommendable to define only static regulations, such as fixed and absolute temperature thresholds. Flexible temperature limits for heating and cooling the groundwater and subsurface are therefore advisable. The limits should be oriented on previously undisturbed temperatures, and chemical, physical and biological conditions of aquifers. Based on these findings, recommendations for a sustainable policy for shallow geothermal systems are provided including a potential legal framework for a sustainable use.
机译：浅层地热能是一种越来越重要的可再生能源。然而，使用具有环境，技术和社会后果。地下水和地下的生物，化学和物理特性受该资源开发的影响。因此，为了保证可持续利用，有必要考虑环境和技术标准，例如地下水质量和温度的变化。在当前的研究中，提供了浅层含水层中地热系统后果的综合概述。我们得出的结论是，仍然缺乏关于长期环境后果的知识。由于地质和水文地质以及技术要求的局部差异，建议不要仅定义静态规则，例如固定和绝对温度阈值。因此，建议采用灵活的温度限制来加热和冷却地下水及地下。限值应针对以前不受干扰的温度以及含水层的化学，物理和生物学条件。基于这些发现，提出了浅层地热系统可持续政策的建议，包括潜在的可持续利用法律框架。

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  • 来源
    《Energy Policy》 |2013年第8期|914-925|共12页
  • 作者

    Stefanie Haehnlein; Peter Bayer; Grant Ferguson; Philipp Blum;

  • 作者单位

    University of Tubingen, Center for Applied Geoscience (ZAG), Sigwartstraβe 10, 72076 Tuebingen, Germany;

    ETH Zurich, Engineering Geology, Sonneggstrasse 5, 8092 Ziirich. Switzerland;

    University of Saskatchewan, Department of Civil and Geological Engineering, 57 Campus Drive, Saskatoon, Canada SK S7N 5A9;

    Karlsruhe Institute of Technology (KIT), Institute for Applied Geosciences (AGW). Kaiserstraβe 12, 76131 Karlsruhe, Germany;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Geothermal energy; Sustainable legislation; Heat pump systems;

    机译：地热能;可持续立法;热泵系统;

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