Spatial mapping of potential geothermal areas is an effective tool for a preliminary investigation and the development of a clean and renewable energy source around the globe. Specific locations within the Earth’s crust display some manifestations of sub-surface geothermal occurrences, such as hot springs, a volcanic plug, mud volcanoes, and hydrothermal alterations, that need to be investigated further. The present area of investigations also reveals some of these manifestations. However, no attempt was made to examine the prospectivity of this terrain using the efficient GIS-based multicriteria evaluation (MCE) within the scope of the Analytic hierarchy process (AHP). The integration of remote sensing, Geographic information system (GIS), and other geophysical methods (Magnetic and gravity) was performed to map the promising geothermal areas. Multiple input data sets such as aero-magnetic, aero-gravity, aero-radiometric, digital elevation model (DEM), geological map, and Landsat-8 Operational Land Imager (OLI) data were selected, processed, and use to generate five thematic layers, which include heat flow, temperature gradients, integrated lineaments, residual gravity, and lithology maps. The five thematic layers were standardized and synthesized into a geothermal prospectivity map. The respective ranks and weight of the thematic layers and their classes were assigned based on expert opinion and knowledge of the local geology. This research aims to apply an efficient method to evaluate the factors influencing the geothermal energy prospects, identify and map prospective geothermal regions, and, finally, create a geothermal prospectivity model.

中文翻译：

---

基于综合 GIS、遥感和地球物理技术的尼日利亚东北部地区初步地热远景图

潜在地热区的空间测绘是在全球范围内进行初步调查和开发清洁和可再生能源的有效工具。地壳内的特定位置显示出地下地热事件的一些表现形式，例如温泉、火山塞、泥火山和热液蚀变，需要进一步调查。目前的调查领域也揭示了其中的一些表现形式。但是，没有尝试在层次分析过程 (AHP) 范围内使用基于 GIS 的高效多标准评估 (MCE) 来检查该地形的前景。结合遥感、地理信息系统（GIS）和其他地球物理方法（磁力和重力）来绘制有前景的地热区。选择、处理并使用多个输入数据集，例如航磁、航重、航空辐射、数字高程模型 (DEM)、地质图和 Landsat-8 操作陆地成像仪 (OLI) 数据，生成五个专题层，其中包括热流、温度梯度、综合线条、残余重力和岩性图。五个专题层被标准化并合成为地热远景图。根据专家意见和当地地质知识，分配专题层及其类别的各自等级和权重。本研究旨在应用一种有效的方法来评估影响地热能前景的因素，识别和绘制潜在地热区，并最终创建地热远景模型。