Setiawan, Aziz Fajar and Suharno, Suharno and zaenudin, ahmad and Haerudin, Nandi (2017) IDENTIFICATION OF GEOLOGICAL STRUCTURE AND ITS IMPACT TO LAND SURFACE TEMPERATURE BASED ON ASTER AND DEM DATA ON "TG14" GEOTHERMAL FIELD, SUMATERA. In: The 5th Indonesia International Geothermal Convention & Exhibition 2017.

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Abstract

In a study of geothermal prospects, the first thing to do is identify the geological condition in the area. This study aims to determine the geological conditions in area of "TG14" geothermal field using remote sensing method on ASTER and DEM imagery and the impact to land surface temperature. The land surface temperature (LST) from thermal infra red (TIR) band using a retrieval method. Surface emissivity was determined based on Normalized Difference Vegetation Index (NDVI) of study area. Remote sensing analysis is good approach to identification of geological structure from surface that control thermal manifestation in "TG14" geothermal field. The hottest temperature in the area along the deep-seated Great Sumatera Fault and the western graben transform fault. Heated by magma assosiated with the volcanic deposits. Its show the Great Sumatera Fault is the main structure in geothermal field which assosiated with high LST and thermal manifestation.

Item Type: Conference or Workshop Item (Poster)
Subjects: Q Science > QC Physics
Q Science > QE Geology
Divisions: Fakultas Teknik (FT) > Prodi Teknik Geofisika
Depositing User: SUHARNO
Date Deposited: 07 Jun 2018 03:31
Last Modified: 07 Jun 2018 03:31
URI: http://repository.lppm.unila.ac.id/id/eprint/7027

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