| 浅层地热能适宜性分区结构的分形原理 |
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| 作者姓名： | 周阳 邓念东 王凤 穆根胥 刘建强 |
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| 作者单位： | 1.陕西省地质调查中心，西安 710068；; 2.西安科技大学地质与环境学院，西安 710054；; 3.湖北永业行评估咨询有限公司，武汉 430000 |
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| 基金项目： | 陕西省公益性地质调查专项“陕西省大中型城市浅层地热能调查评价(编号: 公益[2013]02-02)”项目资助 |
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| 摘 要： | 可再生的新型环保能源浅层地热能开发利用前景广阔。由于区域地质条件复杂,借用分形原理可将原来研究中所采用的还原论方法即线性问题处理方法转换为更符合地质条件本质特征的非线性处理方法。探讨了浅层地热能赋存条件适宜性分区结构的分形维数及标度与分形维数的关系;简析了面状地形地貌信息几何属性对分维值的影响。研究结果表明,浅层地热能适宜性分区结构存在明显的分形特征,其分形维数较好地反映了适宜性分区轮廓的曲折程度,分形数越大,则轮廓线越不规则。旨在为浅层地热能调查评价工作提供全新的非线性化的处理方法,对分形理论的实际应用和浅层地热能的开发工作都有较强的理论和实际意义。
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| 关 键 词： | 浅层地热能 适宜性 分形原理 |
| 收稿时间： | 2016-05-16 |
Fractal theory of suitability zoning structure of shallow geothermal energy |
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| Authors: | ZHOU Yang DENG Niandong WANG Feng MU Genxu LIU Jianqiang |
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| Institution: | 1. Shaanxi Geological Survey Center, Xi’an 710068, China; 2. College of Geology and Environment, Xi’an University of Scienceand Technology, Xi’an 710054, China; 3. Hubei Wing Yip line assessment Consulting Co. Ltd, Wu han 430000, China |
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| Abstract: | Shallow geothermal energy, as a new environmentally friendly energy that can be regenerated, has broad prospects in the development and utilization. The reductionism method which has been used in studying linear problems, can be converted into the nonlinear processing method which is more in line with the geological conditions of nature by using the fractal theory because of the complicated regional geological conditions. This article discusses the fractal dimension of suitability zoning structure of shallow geothermal energy occurrence conditions and the relationship between the fractal dimension and size. Besides, the impact of the geometric properties of the planar landform on the fractal dimension values is also discussed. This research shows that shallow geothermal energy suitability zoning structure have obvious fractal characters, and its fractal dimension reflects the tortuous degree of suitability zoning outline. And the fractal number and the irregular degree of contour line established a positive relation. This article provides a new method to deal with the nonlinear problem for shallow geothermal energy investigation and evaluation, and has a strong theoretical and practical significance in application of fractal theory and shallow geothermal energy development. |
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| Keywords: | shallow geothermal energy suitability fractal principle |
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