西苏门答腊Bukit Kili-Gunung Talang地热区地表温度(LST)和断层断裂密度(FFD)分析

Muhammad Rayhan Hidayat, Jenian Marin, Rais Brian Abdurrahman, Syafa Natasya Devienna, Illya Nur Fatimah
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引用次数: 0

摘要

抽象。基利山位于塔朗火山的北部,其特征是几个热点的地热表现。研究的目的是确定研究区域的陆地表面温度和断层密度。地球热的存在与远视分析的结果之间的关系将确定地热潜在区域。分析是通过他们的热SRTM图像来确定第10和第11波段中具有热红外传感器(TIRS)的三维密度和陆地卫星8来检测地球表面温度。对不同的植被指数(NDVI)和移民价值计算进行的正常地图LST。根据希尔谢德对地貌的解释进行的研究表明,主要方向是西北角,与区域地质结构相关。而根据地图LST,研究领域有14,7温度范围——33,4ºC。据估计,高温地区是由于地球的热活动,这是由地球热的表现所支持的。正如NDVI地图所示,与地球热量活动无关的高温区域是由低植被造成的。抽象。基里山的潜在区域位于火山塔的北部,由地热分布证明具有characterit。这一研究旨在确定土地表面温度和断层密度的研究。地热表现与远程感官分析的结果之间的相关性将确定地热潜在区域。分析人员正在用红外线传感器在10号和11号探测地球表面的温度时,对其进行监测。不同蔬菜存根指数(NDVI)的地图和衰减指数对这一代人的平均寿命都有影响。根据对山区地区的解释,这些地区的主要方向是西北东南部,与区域结构地理相关。Meanwhile, LST地图那里the study区域有射程的温度14。7—33。4ºC,哪个地区是有效的温度高地热到期美国地热活动supported by》《manifestation occurrence。高温区域与地热活动无关
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Land Surface Temperature (LST) and Fault Fracture Density (FFD) Analysis in Bukit Kili-Gunung Talang Geothermal Area, West Sumatra
Abstrak. Daerah Bukit Kili terletak di sebelah utara Gunung Api Talang, ditandai dengan sebaran manifestasi geotermal berupa beberapa titik mata air panas. Studi bertujuan untuk mengetahui sebaran Land Surface Temperature (LST) dan Fault Fracture Density (FFD) pada daerah penelitian. Korelasi antara keberadaan manifestasi panas bumi dengan hasil analisis penginderaan jauh akan menentukan daerah potensi geotermal. Analisis dilakukan dengan citra DEM SRTM untuk menentukan densitas kelurusan dan Landsat 8 yang memiliki sensor Thermal Infrared Sensor (TIRS) di band 10 dan 11 untuk mendeteksi suhu permukaan bumi. Peta Normalized Difference Vegetation Index (NDVI) dan perhitungan nilai emisivitas dilakukan untuk menghasilkan peta LST. Hasil penelitian berdasarkan interpretasi kelurusan pada peta hillshade menunjukkan bahwa orientasi yang dominan adalah barat laut-tenggara, berkorelasi dengan struktur geologi regional. Sedangkan berdasarkan peta LST, daerah penelitian memiliki rentang suhu 14,7 – 33,4ºC. Daerah bersuhu tinggi diperkirakan akibat adanya aktivitas panas bumi yang didukung dengan keberadaan manifestasi panas bumi. Area suhu tinggi yang tidak berkorelasi dengan aktivitas panas bumi disebabkan oleh vegetasi yang rendah sebagaimana ditunjukkan dari peta NDVI.  Abstract. The Bukit Kili prospect area is located to the north of Talang Volcano, characterized by the distribution of geothermal manifestations. This study aims to determine the distribution of land surface temperature (LST) and the fault fracture density (FFD) of the research area. Correlation between the presence of geothermal manifestations with the results of remote sensing analysis will determine the geothermal potential area. The analysis was carried out using DEM SRTM to determine fault fracture density and Landsat 8 satellite which has a Thermal Infrared Sensor (TIRS) in bands 10 and 11 to detect the temperature of the earth's surface. The Normalized Difference Vegetation Index (NDVI) map and emissivity calculation are performed to generate LST map. Result based on the interpretation of lineaments using hillshade map showed that the dominant orientation is northwest-southeast, correlated with the regional structural geology. Meanwhile, LST map showed the study area had temperature range 14.7 – 33.4ºC, which high temperature areas is mainly due to the geothermal activity as supported by the geothermal manifestation occurrence. High temperature areas not correlated with geothermal activity is attributed to the low vegetation, indicated from NDVI map.
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