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Underworld-GT Applied to Guangdong,a Tool to Explore the geothermal potential of the Crust

Journal of Earth Science 2015年第1期26卷 78-88页

作者： Steve Quenette Yufei Xi John Mansour Louis Moresi David Abramson Monash e Research Centre Monash UniversityClayton 3800Australia The Institute of Hydrogeology and Environmental Geology Chinese Academy of Geological Sciences School of Earth Sciences The University of MelbourneMelbourne 3010Australia Research Computing Centre The University of QueenslandSt Lucia 4072Australia

geothermal energy potential is usually discussed in the context of conventional or engineered systems and at the scale of an individual reservoir. Whereas exploration for conventional reservoirs has been relatively easy, with expressions of resource found close to or even at the surface, exploration for non-conventional systems relies on temperature inherently increasing with depth and searching for favourable geological environments that maximise this increase. To utilitise the information we do have, we often assimilate available exploration data with models that capture the physics of the domi- nant underlying processes. Here, we discuss computational modelling approaches to exploration at a regional or crust scale, with application to geothermal reservoirs within basins or systems of basins. Target reservoirs have （at least） appropriate temperature, permeability and are at accessible depths. We discuss the software development approach that leads to effective use of the tool Underworld. We explore its role in the process of modelling, understanding computational error, importing and exporting geological knowledge as applied to the geological system underpinning the Guangdong Province, China.

关键词： Underworld-GT geothermal potential computational modelling approach Guangdong.

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Mapping the spatial distribution of fossil geothermal manifestations and assessment of geothermal potential of the Tangyin rift,Southeast of Taihang Mountain in China

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Journal of Mountain Science 2022年第8期19卷 2241-2259页

作者： MAHWA Joshua LI Da-jiang PING Jian-hua LENG Wei TANG Jia-bo SHAO Dong-yun School of Water Conservancy and Engineering Zhengzhou UniversityZhengzhou 450001China Department of Geology College of Earth ScienceUniversity of DodomaBox 11090DodomaTanzania Power China Henan Engineering CO. LTDNo.30 Changchun RoadHigh and New Technology Industries Development ZoneZhengzhou450001China geothermal and Ecological Geology Research Centre Zhengzhou UniversityZhengzhou 450001China College of Ecology and Environment Zhengzhou UniversityZhengzhou 450001China Power China geothermal Development CO. LTDNo.30 Changchun RoadHigh and New Technology Industries Development ZoneZhengzhou450001China

The spatial prediction of geothermal sites along the southeast side of Taihang Mountain in the Tangyin rift is a critical goal in the development of renewable energy resources in cities such as Hebi in Henan province,which has significant potential for geothermal energy production due to the existence of deep faults and Cenozoic *** study aimed to delineate areas with high geothermal manifestations for detailed geothermal exploration and well-test *** define favorable zones for geothermal potentiality,multi-source datasets were chosen to generate evidence thematic layers that demonstrate the distribution of geothermal anomalies such as geologic maps,structural maps,Land Surface Temperature maps(LST),and hydrothermal mineral alterations *** remote sensing and Geographical Information System(GIS)approaches were integrated to map fossil geothermal manifestations and appraise the promising geothermal zones from Landsat 8 OLI/TIRS and Advanced Spaceborne Thermal Emission and Reflection Radiometer-Digital Elevation Model(ASTER-DEM)dataset using the Analytic Hierarchy Process(AHP),which is one of the Mult-criteria Decision Making *** show LST values ranging from 22.6℃ to 45.4℃,with the highest values found along the faults and volcanic *** hydrothermal alteration minerals discriminated from band ratios of 4/2,6/5,and 6/7 for iron oxide,ferrous minerals,and clays reveal the presence of high amount of montmorillonite and illite minerals along the faults and volcanoes which are related to hot fluid circulation from *** analysis shows that the major structural trend follows the NNE Tangdong and Tangxi faults,with high density on the west side of the Tangxi fault where there is good exposure of outcrop but less fault density on the east side due to sedimentation in a low land which may conceal geological ***,all the thematic layers of geothermal factors were reclassified,ranked,and integrated by the weight o

关键词： geothermal potential Remote Sensing GIS Geological structures Alteration minerals Land surface temperature

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