Assessing of Land Surface Temperature at the Seulawah Agam Volcano Area using the Landsat Series Imagery

Zaini, Nasrullah; Yanis, Muhammad; Marwan, Marwan; Isa, Muhammad; Meer, F. van der

doi:10.1088/1742-6596/1825/1/012021

Cited by 11 publications

(6 citation statements)

References 9 publications

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“…The study has shown that the reservoir zone that is the main target for geothermal is below 2 km. In addition, remote sensing studies have also been carried out in the area, including using Landsat Series data [5], and temperature observations using the FLIR sensor [19]. The results of this study indicate an increase in temperature in direct contact with craters and hot springs.…”

Section: Geology and Previous Researchmentioning

confidence: 84%

“…In the exploitation process, geothermal is one of the alternative sources known as green energy and only requires a small area for exploration and exploitation compared to conventional energy sources such as oil and gas. In the northernmost of Sumatra, Aceh Province has 20 potential geothermal fields that are potential to be developed by the government, such as the Jaboi volcano on Weh Island [2], Peut Sagoe [3], dan Seulawah Agam [4], [5] with an estimated electrical energy production capacity of 230 Mwe [6]. In addition, other parts of the geothermal site, geothermal sites have begun to be developed into geological-based tourist spots to directly impact the community's economy [7].…”

Section: Introductionmentioning

confidence: 99%

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Geoelectrical model of geothermal spring in Ie Jue Seulawah deriving from 2D VLF-EM and DC resistivity methods

et al. 2023

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Seulawah Agam is one of the volcanic areas in Aceh province, Indonesia, which planned for a powerplant constriction with an energy capacity expected to be approximately 230 MWe. This volcano has seven manifestations in the form of craters, hot water, and heated soil. The hydrothermal system in this volcano is controlled by a fault system which acts as a medium for the entry and exit of fluids. Therefore, understanding the local geology is required for geothermal power plant development, especially for the determination area for injection and production wells. In this research, we use the Very Low-Frequency Electromagnetic (VLF-EM) methods combined with electrical resistivity tomography data on the Ie Jue manifestation area to determine the shallow structure related to the manifestation. The VLF was made for 4 profiles with 700 m length for each VLF-EM profile and 300 m for electrical resistivity lines. We utilized the Karous Hjelt filter for qualitative interpretation, while Occam's algorithm was applied for 2D inversion of data for quantitative analysis of VLF-EM data. Based on the current density model, several vertical conductive anomalies can be well demonstrated at a distance of 300-400 m from the four VLF profiles. The conductive anomaly can also be seen in the resistivity data from the electrical resistivity. The results of the Occam model show that the depth of faults and fractures is seen at 30 m depth with low resistivity (below 100 Ωm). This anomaly is generally associated with outcrops in the field, such as fumarole and warm ground on the east side of the manifestation area. In addition, the 2D inversion model of VLF also shows the contrast of several fracture zones as a place for fluid to enter and exit the Seulawah volcano. Therefore, based on our result, it can be summed up that this method is effectively applied to geothermal in high terrain areas such as in Indonesia and can be used to suggest safe locations for injection wells and production of geothermal drilling.

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Section: Geology and Previous Researchmentioning

confidence: 84%

Section: Introductionmentioning

confidence: 99%

Geoelectrical model of geothermal spring in Ie Jue Seulawah deriving from 2D VLF-EM and DC resistivity methods

et al. 2023

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“…Akan tetapi hanya sedikit dari potensi ini yang telah dikembangkan untuk pembangkit geothermal, seperti di daerah Dieng Jawa Tengah. Padahal di Propinsi Aceh saja terdapat 20 potensi prospek panas bumi yang dapat dikembangkan untuk pembangkit tenaga listrik, seperti gunungapi Jaboi di Pulau Weh [3 ], Peut Sagoe di Pidie [4] , dan Seulawah Agam di Aceh Besar yang diestimasi memiliki energi sekitar 165 Mwe [5]- [7] , dan memiliki 8 manifestasi yang tersebar pada bagian Utara dan Selatan [8] . Berbagai kajian ilmiah telah dilakukan sebagai upaya untuk mempercepat pembangunan sebuah power plant, seperti pengukuran magnetotelluric [9] , trancient electromagnetic [10] , dan aplikasi geokimia pada beberapa manifestasi [8] .…”

Section: Pendahuluanunclassified

Pemetaan potensi geothermal Seulawah Agam berdasarkan data DEMNAS dan Landsat 8

Yanis¹,

Vahreza²,

Isa³

et al. 2022

Indonesian J Appl Phys

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<p>Seulawah Agam is one of the volcanoes for geothermal energy development with an estimated 150 Mwe. At the exploration stage, thermal and multispectral image analysis is needed for surface temperature calculations, subsurface temperature modeling, and geothermal potential mapping of volcanoes. In this study, we used Landsat 8 and DEMNAS data to analyze the distribution of potential geothermal areas in the Seulawah Agam. Based on analysis of Fault Fracture Density (FFD) from DEMNAS, three classifications reflect the distance of the fault, namely low level (0 - 0.30 km/km2), medium (0.30-0.60 km/km2), and high (0.60-0.90 km/km2), where the distribution of geothermal potential is at medium and high-density levels. Meanwhile, the NDVI, NDWI data analysis shows dense vegetation areas on volcanoes and relatively rare in some manifestations. It can also be confirmed well by the high-temperature distribution in some craters between 34.63 C to 46.59 C. Based on observational data. It shows that DEMNAS and Landsat 8 data are very potential to be used as an initial method of analyzing the distribution of geothermal potential on the Seulawah Agam volcano.</p>

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“…Figure 1 shows the topography of SeulawahAgam which is visualized by the Shuttle Radar Topography Mission (SRTM) with a resolution of 30 m/px [17]. Various explorations have been carried out in SeulawahAgam to study a geothermal system, such as those using remote sensing, which can provide an initial picture of the manifestation distribution based on the vegetation and temperature obtained from Operational Land Imager (OLI) and Thermal Infra-Red Scanner (TIRS) sensors [18], [19]. Furthermore, the studies were also carried out in gas and geothermal water surveys [16], [20] and integrated geophysical surveys, i.e., magnetotelluric [21], [22].…”

Section: Introductionmentioning

confidence: 99%

Geothermal reservoir depth of Seulawah Agam volcano estimated from 1D magnetotelluric

et al. 2022

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SeulawahAgam has planned to construct a geothermal power plant with an estimated 275 MW by the government to replace fossil energy. This study used a magnetotelluric (MT) survey to investigate the primary geothermal system, such as heat sources, reservoirs, or faults, which are responsible for regulating the surface manifestation. The regional volcano and fault of the Seulimum segments were traversed by 26 MT stations. The 1D Inversion was conducted toward the overall MT data using the Occam inversion algorithm from IP2Win MT. This Inversion was performed to acquire characteristics of the geothermal system based on resistivity parameters against the depth. The 1D model distribution was combined and converted into pseudo 2D, which could depict the subsurface conditions. Based on the data analysis, the cross-section model revealed that the volcanic sediment layer near the surface had a resistivity of 57–98 Ωm. In the depth of 4–8 km in profile one, and 0.2–2 km, in profile 2, coverage of clay cap rocks was found with impermeable properties, where the resistivity was low (<10 Ωm). Afterward, the reservoir layer was characterized by resistivity ranging from 94 to 188 Ωm located at 1–3 km depth, where this anomaly could be seen across all measuring tracks. Meanwhile, the region beneath the reservoir was estimated to be a heat source with a depth range of 2–5 km, as evidenced by a high resistivity of more than >1000 Ωm. The pseudo-2D results could provide an initial model of SeulawahAgam’s geothermal system.

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Assessing of Land Surface Temperature at the Seulawah Agam Volcano Area using the Landsat Series Imagery

Cited by 11 publications

References 9 publications

Geoelectrical model of geothermal spring in Ie Jue Seulawah deriving from 2D VLF-EM and DC resistivity methods

Geoelectrical model of geothermal spring in Ie Jue Seulawah deriving from 2D VLF-EM and DC resistivity methods

Pemetaan potensi geothermal Seulawah Agam berdasarkan data DEMNAS dan Landsat 8

Geothermal reservoir depth of Seulawah Agam volcano estimated from 1D magnetotelluric

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