An improved volumetric method of geothermal resources assessment for shallow ground combining geophysical data

doi:10.1016/j.renene.2019.08.005

	An improved volumetric method of geothermal resources assessment for shallow ground combining geophysical data
	Tian, Baoqing 1,2; Kong, Yanlong 1,2; Gong, Yulie 3; Ye, Cantao 3; Pang, Zhonghe 1,2; Wang, Jiyang 1,2; Zhang, Dongdong 4
刊名	RENEWABLE ENERGY
	2020
卷号	145 页码:2306-2315
关键词	Accuracy of assessment Volumetric method Geophysical data Shallow geothermal potential Grid method Unconsolidated layer
ISSN号	0960-1481
DOI	10.1016/j.renene.2019.08.005
通讯作者	Tian, Baoqing(tianbaoqing@mail.iggcas.ac.cn)
英文摘要	Assessment of available heat capacity in the shallow ground is important to the development of ground source or geothermal heat pumps. A new volumetric method-based approach is proposed for evaluating shallow geothermal potential by combining microtremor survey results. Parameters such as thickness of clay and sandy gravel layers can be achieved by processing the microtremor filed data. The study area was divided into grids based on the different exploration sites. The heat present in each small unit was calculated using the revised volumetric method. This division into small units improved the accuracy of assessment of the geothermal potential and helped plot the distribution map of the available heat amount, which indicated optimal locations for development and utilization of shallow geothermal resources. Jimo, China was used as an example to depict the calculation flow. Since the microtremor survey method can identify the thickness of clay, sandy gravel, and fresh bedrock layers in shallow ground, the amount of shallow geothermal resources present above fresh bedrock was calculated. In Jimo, the amount of exploitable geothermal resources, using the traditional volumetric method, was found to be 4.92 x 10(12) kJ. The proposed calculation method not only provided a higher corresponding value of 6.96 x 10(12) kJ but also showed the regions with the highest potential of shallow geothermal resources. Hence, this approach provides an alternative method for geothermal potential assessment which can be used globally. (c) 2019 Elsevier Ltd. All rights reserved.
资助项目	National Key Research and Development Program of Ministry of Science and Technology of the Peoples Republic of China[2018YFB1501801]
WOS关键词	BASIN ; ENERGY
WOS研究方向	Science & Technology - Other Topics ; Energy & Fuels
语种	英语
出版者	PERGAMON-ELSEVIER SCIENCE LTD
WOS记录号	WOS:000506910000076
资助机构	National Key Research and Development Program of Ministry of Science and Technology of the Peoples Republic of China
内容类型	期刊论文
源URL	[http://ir.giec.ac.cn/handle/344007/26337]
专题	中国科学院广州能源研究所
通讯作者	Tian, Baoqing
作者单位	1.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Shale Gas & Geoengn, Beijing 100029, Peoples R China 2.Chinese Acad Sci, Inst Earth Sci, Beijing 100029, Peoples R China 3.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510650, Peoples R China 4.Thermal Power Plant Jimo, Qingdao 266200, Peoples R China
推荐引用方式 GB/T 7714	Tian, Baoqing,Kong, Yanlong,Gong, Yulie,et al. An improved volumetric method of geothermal resources assessment for shallow ground combining geophysical data[J]. RENEWABLE ENERGY,2020,145:2306-2315.
APA	Tian, Baoqing.,Kong, Yanlong.,Gong, Yulie.,Ye, Cantao.,Pang, Zhonghe.,...&Zhang, Dongdong.(2020).An improved volumetric method of geothermal resources assessment for shallow ground combining geophysical data.RENEWABLE ENERGY,145,2306-2315.
MLA	Tian, Baoqing,et al."An improved volumetric method of geothermal resources assessment for shallow ground combining geophysical data".RENEWABLE ENERGY 145(2020):2306-2315.