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All Journal International Journal of Renewable Energy Development BIOTIK: Jurnal Ilmiah Biologi Teknologi dan Kependidikan Jurnal Antropologi: Isu-Isu Sosial budaya Journal of Aceh Physics Society Jurnal Ilmu Kebencanaan : Program Pascasarjana Unsyiah Aceh Journal of Animal Science INDONESIAN JOURNAL OF APPLIED PHYSICS Jurnal Geografi Jurnal Natural Aceh International Journal of Science and Technology Jurnal Rekayasa elektrika Depik Jurnal Ilmu-Ilmu Perairan, Pesisir dan Perikanan International Journal of Renewable Energy Development Depik Jurnal Ilmu-Ilmu Perairan, Pesisir, dan Perikanan
Faisal Abdullah
Universitas Syiah Kuala
Agriculture, Biological Sciences & Forestry Arts Humanities Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Immunology & microbiology Materials Science & Nanotechnology Neuroscience Physics Social Sciences Other

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Mitigasi dan Adaptasi Struktural Bahaya Banjir Berdasarkan Kearifan lokal Masyarakat Aceh Singkil Nazli Ismail; Bakhtiar Bakhtiar; Muhammad Yanis; Dian Darisma; Faisal Abdullah
Jurnal Antropologi: Isu-Isu Sosial Budaya Vol 22, No 2 (2020): (December)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jantro.v22.n2.p276-285.2020

Abstract

Most of the Singkil communities live along the river banks. Their long-term experience has generated some local wisdom in flood hazard mitigation and adaptation. To revitalize the values of the local wisdom, we have researched Cingkam Village, Aceh Singkil District, Aceh Province. A descriptive exploratory method was used in this study. Field data were collected based on field observations, interviews with local communities, and in-depth interviews with community leaders and local government regarding knowledge, experience, implementation, and possibility of developing the local wisdom. The results showed that the Singkil community practice local wisdom on structural mitigation and adaptation in flood hazards. They constructed floating buildings, namely sapao metungkhang, lampung, and bagan, made of logs drifting along the river. The buildings are practically effective, so that daily household and communal activities can still be carried out both in normal conditions and during flooding. However, they tend to disappear due to several factors including shortages of raw materials, progress inland transportation development, relocation of community far from rivers, and dimmed water transportation routes. Although the practices are starting to be abandoned, they still have the potential to be preserved and developed for both flood risk reduction and tourism destinations.
Fault Mapping in Weh Island based on Fault Fracture Density Method (FFD) Muhammad Yanis; Nazli Ismail; Laura Vadzla Hermansyah; Muhammad Nanda; Faisal Abdullah
Journal of Aceh Physics Society Volume 8, Number 1, January 2019
Publisher : PSI-Aceh

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (725.425 KB) | DOI: 10.24815/jacps.v8i1.12764

Abstract

Pulau Weh merupakan pulau vulkanik yang dilalui jalur sesar aktif the Great Sumatran Fault. Keberadaan jalur sesar aktif pada suatu kawasan berimplikasi pada ancaman bahaya gempa bumi. Kami telah menggunakan data Digital Elevation Model (DEM) dari Shuttle Radar Topography Mission (SRTM) untuk pemetaan jalur-jalur sesar di Pulau Weh. Data DEM yang diproduksi oleh SRTM diekstrak menjadi hillshade dengan memberikan variasi sudut penyinaran matahari dan altitude 45o. Analisis topografi permukaan bumi memberikan penampakan gerusan-gerusan sesar dan rekahan. Selanjutnya kelurusan-kelurusan ditarik secara manual berdasarkan analisis sesar dan rekahan untuk tiap perbedaan sudut elevasi matahari pada hillshade. Kelurusan-kelurusan yang diperoleh dari tiap hillshade kemudian di-overlay. Berdasarkan jenisnya, kelurusan yang dianggap sebagai sesar dan rekahan diinterpretasi dengan memberikan grid 500 x 500 m. Dengan menggunakan metode FFD, didapatkan kelurusan-kelurusan yang berasosiasi dengan struktur atau merupakan refleksi gambaran topografi berupa kelurusan sungai, kelurusan lembah, struktur sesar maupun rekahan, kontak batuan dan kemunculan manifestasi panas bumi. Terdapat empat lokasi yang memiliki nilai anomali densitas kelurusan tinggi. Dominasi kelurusan yang terdapat di Pulau Weh yaitu Barat Laut-Tenggara. Arah dominan ini bersesuaian dengan arah Sesar Sumatera. Weh Island is a volcanic island crossed by the Great Sumatran Fault. Presence of such active fault may trigger seismic hazard on the island. We have applied Digital Elevation Model (DEM) from Shuttle Radar Topography Mission (SRTM) data to delineate fault distribution in Weh Island. The DEM data produced by SRTM were extracted as hillshade using variation of sun irradiation angels and altitude 45 o. Surface topographic analysis provided fractures and faults signatures on the study area. The faults and fractures lineament were drawn manually for each angle on the hillshades. The lineaments for each hillshade were overlaid. Using Fault Fracture Density (FFD) method we found lineaments associated as geological structures reflected from rivers, valleys, faults, fractures, rock contacts, and geothermal manifestations. There are four locations with high density lineaments on the island. The lineaments mostly directed in Northwest-Southeast which is same direction as the Great Sumatran Fault. Keywords: DEM, SRTM, geomorphology, the Great Sumatran Fault. 
ANALISIS RENCANA TATA RUANG WILAYAH (RTRW) KOTA SABANG BERDASARKAN PETA JALUR PATAHAN AKTIF DI KOTA SABANG Sjafrizal .; Faisal Abdullah; Nazli Ismail; Laura Vadzla Hermansyah
Jurnal Ilmu Kebencanaan : Program Pascasarjana Unsyiah Vol 4, No 1: Februari 2017
Publisher : Jurnal Ilmu Kebencanaan : Program Pascasarjana Unsyiah

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (261.917 KB)

Abstract

There are two major faults in Pulau Weh (Weh Island): Sabang fault and Seuke fault. This research is conducted in Pulau Weh, Sabang, Province of Aceh to map the distribution of major and minor fault lines in that area and analyze the conformity of the development plan to the existing active fault lines based on Spatial Planning and Territory. The fault lines mapping process based on secondary data published by Directorate of Mineral Resource Inventory, Geothermal sub-directorate and fault line. The fault lines distribution then compared with the data from government policy document and the Spatial Planning and Territory of Sabang that issued by Sabang government, which provided detailed information about the development process and the long-term development plan of Sabang. The analysis more focused on how development distribution and development planning of Sabang based on disaster mitigation in the future. The result shows that most of spatial pattern and structure set in Spatial Planning and Territory by the Sabang City government are located on active fault which can become disaster-prone areas. The process of development planning in Sabang so far has not studied the potential of development conformity and the distribution of active faults in Sabang. Ie Meulee, Ujong Kareung, and Anoe Itam are the area that can use as the alternative area because they not traversed by the major and the minor faults. 
Characteristics of nesting habitat of sea turtle Lepidochelys olivacea in Lhoknga Beach, Aceh Besar District, Indonesia Hindar Hindar; Zainal A. Muchlisin; Faisal Abdullah
Aceh Journal of Animal Science Vol 3, No 1: July 2018
Publisher : Syiah Kuala University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (361.898 KB) | DOI: 10.13170/ajas.3.1.10977

Abstract

The purpose of this study was to determine the characteristics of nesting habitat of sea turtle in Lhoknga beach. The observation was conducted at three locations from January to March 2016. The study showed that the coastal slope average ranges 1.03 ° - 1.38 °. The average of nest temperature was 28.05 °C to 29.47 °C (inside the nest) and from 28.77 ° C to 29.95 ° C (at the surface of the nest). The width beach at high tide ranges from 20.17 m to 21.83 m and 31 m to 33.83 m at low tide. The nest humidity ranges from 20.5% -24.15%. There were six species of coastal vegetation recorded during the study, where station 1 has higher of density and diversity of the coastal vegetation. In general, Lhoknga Beach is suitable for nesting of the sea turtle. A total of 13 sea turtles (Lepidochelys olivacea) were nesting during the study, where station 1 had higher of nesting frequency.
Analisis Kebutuhan Es dan Dampaknya Terhadap Kualitas Ikan di Pelabuhan Perikanan Samudera Lampulo Banda Aceh Harits Gunawan; Indra Indra; Faisal Abdullah
Biotik Vol 6, No 2 (2018): JURNAL BIOTIK
Publisher : Universitas Islam Negeri Ar-Raniry

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/biotik.v6i2.5617

Abstract

The freshness of fishes caught by fishing vessels must be maintained to preserve the fish quality, which usually using ice as the cooling media. The ice needed depend on the catch amount, vessel capacity, and the temperature. The aim in this study was to analyze the amount of ice needed for fishing vessels and the effect of ice on the quality of fishes caught at the Lampulo Ocean Fisheries Port in Banda Aceh. This research was conducted from May to August 2018, using descriptive method with organoleptic test and simple regression analysis. The result shows that the total amount of ice blocks needed by fishing vessels in the Lampulo Ocean Fishery Port for fishing activities is 11,337 tons / month. The fish quality shows organoleptic scale value of 7 to 8, which mean that the fishes caught in the Lampulo Ocean Fishery Port belong in fresh category. From the results of the Regression analysis can be concluded that the amount of ice carried by fishing vessels for fishing operations have a significant effect on the quality of the fish.
APPLICATION OF UNMANNED AERIAL VEHICLE AS A BASE MAP LAYER IN NEAR-SURFACE GEOPHYSICS Muhammad Yanis; Aprilla Hasibuan Anggini; Faisal Abdullah; Muzakir Zainal; Marwan Abubakar
JURNAL GEOGRAFI Vol 13, No 1 (2021): JURNAL GEOGRAFI
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/jg.v13i1.17818

Abstract

The Geophysical method is operated by using physical parameters above the surface to estimate the subsurface structures. In data interpretation, all 3D surveys, i.e., magnetic, gravity, magnetotelluric, and airborne, are required for geographical conditions in the research area. In a large area, global DEM data is used to explain the field condition, but for local measurement, the data is not efficient due to low resolution (15-30 m/px). This research uses UAV technology to produce a high-resolution topography in local Geophysical measurement (500 x 600 m). The survey was conducted to map the coal structure in the subsurface. UAV data were also compared to SRTM (30 m/px) and DEMNAS (8 m/px) as global topography. Based on data processing, the UAV topographic was have a high resolution of 2.5 cm/px. Comparison of UAV and magnetic data are able to explain a good condition of field measurement than a global DEM data, even in a relatively small area; outcrops of the coal (50x50 m) can show a good differences contrast of topography. Based on data analysis, we can conclude that UAV technology can interpret the geophysical data measured in a local area.Keywords: UAV, SRTM, Topography, Geophysical Interpretation.Metode Geofisika bekerja dengan memanfaatkan parameter fisis diatas permukaan untuk pendugaan struktur bawah permukaan. Dalam tahapan interpretasi data, semua pengukuran 3D Geofisika; magnetic, gravity, magnetotelluric, dan airbone sangat membutuhkan keadaan geografis lapangan. Pada area yang luas, data DEM global digunakan untuk menjelaskan deskripsi lapangan, namun untuk pengukuran dekat permukaan yang bersifat lokal, data ini tidaklah efesien, karena resolusi yang relative rendah (15 – 30 m/px). Kami menggunakan teknologi UAV untuk menghasilkan topografi resolusi tinggi pada area pengukuran Geofisika dengan luas 500 x 600 m, yang disurvei untuk pemetaan batubara dibawah permukaan. Data UAV juga dibandingkan dengan topografi global SRTM (30 m/px) dan DEMNAS (8 m/px). Hasil pengolahan data menunjukkan data UAV menghasilkan topografi dengan resolusi 2.5 cm/px. Hasil overlay UAV dengan Geofisika magnetik mampu menjelaskan deskripsi lapangan dengan sangat baik dibandingkan DEM global, bahkan pada area yang relative kecil seperti singkapan batuabara (50x50 m) dapat menunjukkan keadaan perbedaan topografi dengan kontras. Berdasarkan data analysis, topografi UAV sangat potensial digunakan untuk interpretasi data Geofisika dekat permukaan yang diukur pada area yang relative lokal.Kata kunci: UAV, SRTM, Topografi, Interpretasi Geofisika.
PEMETAAN STRUKTUR SITUS COT SIDI ABDULLAH PENINGGALAN KERAJAAN SAMUDERA PASAI BERDASARKAN SEBARAN MODEL RESISTIVITAS Agus Hari Pramana; Faisal Abdullah; Tomi Afrizal; Nazli Ismail
JURNAL GEOGRAFI Vol 12, No 2 (2020): JURNAL GEOGRAFI
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/jg.v12i02.17205

Abstract

Metode DC-Resistivity konfigurasi Wenner telah diaplikasikan pada situs cagar budaya Cot Sidi Abdullah (CSA) di Desa Kuta Krueng, Kecamatan Samudra Pasai, Kabupaten Aceh Utara. Data geolistrik diukur pada 8 lintasan sejajar dengan spasi lintasan 5 meter dari arah utara - selatan sepanjang situs dan spasi elektroda 0,5 meter. Berdasarkan hasil model penampang 2D diperoleh zona yang bersifat konduktif dengan kisaran nilai resistivitas 0,1 – 80 Ωm dan zona resistif dengan nilai reistivitas berkisar antara 100 – 600 Ωm dengan ketebalan lapisan 1 meter. Keberadaan zona yang relatif konduktif disebabkan oleh adanya intrusi air asin yang terdapat disekeliling daerah itu, yaitu area tambak dan sungai. Sedangkan zona resistif terdapat secara merata di semua lintasan yang umumnya berada di tengah–tengah lintasan dan dapat diprediksikan sebagai bagian dari situs yang tertimbun dibawah permukaan. Zona resistif berupa batu bata yang berada di sekeliling situs dan menahan intrusi air asin masuk ke tengah. Oleh karena itu bangunan Situs CSA diprediksi memiliki luasan sekitar 26 m x 35 m dengan bangunan sekeliling berupa batu bata dengan ketebalan dinding situs 1,5 meter. Sedangkan bagian tengah adalah timbunan pasir yang tidak dipengaruhi oleh air asin.Kata kunci: Metode geofisika, Arkeologi, Cot Sidi Abdullah, Metode DC - Resistivity, Resolusi Model, RekontruksiThe DC-Resistivity method with Wenner configurations was applied to the cultural heritages of Cot Sidi Abdullah (CSA) in Kuta Krueng Village, Samudra Pasai District, North Aceh Regency. Resistivity data were measured on 8 parallel lines with 5 meterline spacing from north to south of the sites and 0.5 meter electrode spacing. The 2D model results show that there are conductive region with the value of resistivity from 0.1-80 Ωm and resistive region with resistivity values ranging from 100 - 600 with a thickness of 1 meter. The existence of the relatively conductive region is caused by the sea water intrusions which is found surrounding the area, such as fish and river areas. However the resistive region is evenly found in all of the lines which are generally located in the middle of line and it was predicted as a part of Cot Sidi Abdullah site buried under the surface. The resistive region is consist of brick wall structures which surrounding the site can hold the sea water intrusions into the center of the sites. Therefore it can be concluded that the CSA Site has 26 m x 35 m areas which is surrounded by the brick structures with 1.5 meters thick. Howeverthe middle part of the site is filled with a sand material that is not affected by salt water.Key words: Geophysics Method, Archaeology, Cot Sidi Abdullah, DC- Resistivity Method, Model Resolution, Reconstruction
EVALUATION OF HOTSPOTS BASED ON CLIMATE DATA IN THE NAGAN RAYA REGENCY, ACEH Abdurahman Abdurahman; Nazli Ismail; Faisal Abdullah; I Dewa Gede Arya Putra
JURNAL GEOGRAFI Vol 14, No 2 (2022): JURNAL GEOGRAFI
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/jg.v14i2.31358

Abstract

Identifying hotspots as a potential for wildfires due to weather/climate factors needs to be studied in more detail to consider the policies taken by relevant agencies in the Nagan Raya Regency, mainly consisting of peatlands. Rainfall observation data in some areas are incomplete, so alternative data are needed for rainfall estimation for those areas, such as satellite data. However, the satellite data does not necessarily match the conditions in the field, so validation is needed. In this study, satellite data were validated with available observational data in the area, so the results can be used as a reference when field data is unavailable. The data used are GSMaP_GNRT6 and observation data from 5 rainfall observation posts: Beutong, Cut Nyak Dien Meteorological Station, Darul Makmur, PT. Socfindo and Pulo Ie for the period 2010-2019. The satellite and the observation data were correlated with the Pearson method to see the relationship between the two data. The difference between each satellite data and observations at the same time and place is calculated using the formulas Mean Error (ME), Root Mean Square Error (RMSE) and Mean Absolute Error (MAE). Furthermore, a case study of fire incidents and satellite hotspot data at several locations was also observed simultaneously. In addition, the validated rainfall data were also used to calculate the Standardized Precipitation Index (SPI) value. The result shows the validation of rainfall data with GSMaP_GNRT6 satellite data has a moderate correlation with the MAE value ranging from 101.3 to 195.12 from the five rainfall observation posts. The results also show that a 10-day base of rainfall before the occurrence of the wildfires was in a low category (86%). The number of hotspot occurrences was also supported by the negative monthly SPI value, high air temperature, and the type of land in the study area. Keywords: Hotspot, Rainfall, Air Temperature, Wildfires, Peat Lands
Pemetaan potensi geothermal Seulawah Agam berdasarkan data DEMNAS dan Landsat 8 Faisal Abdullah; Muhammad Yanis; Anshar Vahreza; Muhammad Isa; Nasrullah Zaini
INDONESIAN JOURNAL OF APPLIED PHYSICS Vol 12, No 2 (2022): IJAP Volume 12 ISSUE 02 YEAR 2022
Publisher : Department of Physics, Sebelas Maret University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/ijap.v12i2.49158

Abstract

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.
Monitoring of Heat Flux Energy in the Northernmost Part of Sumatra Volcano Using Landsat 8 and Meteorological Data Muhammad Yanis; Nasrullah Zaini; Isra Novari; Faisal Abdullah; Bondan Galih Dewanto; Muhammad Isa; Marwan Marwan; Muzakir Zainal; Abdurrahman Abdurrahman
International Journal of Renewable Energy Development Vol 12, No 1 (2023): January 2023
Publisher : Center of Biomass & Renewable Energy, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/ijred.2023.47048

Abstract

Geothermal energy, as a part of green and renewable energy, has been widely developed in the world to replace the current conventional fossil energy. Peut Sagoe is an active volcano in the northern part of Sumatra. The volcanic mountain has not been completely explored for geothermal and energy reserves study. This is due to the volcano locates in a high topography and surrounded by dense tropical forest, which makes it challenging to deploy geophysical instruments in the area. The Landsat 8 thermal infrared and meteorological data from 2013 – 2020 were used to estimate the energy resources by calculating the radiative heat flux (RHF) and measuring the energy lost annually through the heat discharge rate (HDR). We also used the normalized differential vegetation index (NDVI) for vegetation analysis, and estimation of its emissivity data. The mono-window algorithm was used to calculate the land surface temperature (LST). The Stefan–Boltzmann equation was utilized to analyze thermal infrared data for RHF, and ambient temperature and relative humidity data were acquired from the Indonesian Meteorological Agency (BMKG) database. The results showed that low vegetation values and high LST of 25°C–35°C were found in crater areas, which indicate the underground thermal activities of the mountain. It demonstrates that the maximum RHF values were 55 W/m2 in 2013 and 37 W/m2 in 2020. The HDR data were calculated by applying 15% of the RHF data, and the amounts of energy lost were 132.5 MWe and 64.5 MWe in 2013 and 2015 respectively. It increased to 186.4 MWe in 2017 and 89 MWe in 2020. Based on these predicted results, we conclude that the combination of thermal infrared imagery of Landsat 8 and meteorological data is an effective approach in estimating geothermal energy potential and energy loss of volcanoes situated in remote areas
Co-Authors Abdurahman Abdurahman Abdurrahman Abdurrahman Abrar Muslim Abrar Muslim Agus Hari Pramana Anshar Vahreza Aprilla Hasibuan Anggini Asmaul Husna Bakhtiar Bakhtiar Bondan Galih Dewanto Darisma, Dian Deviyani R. Putri Harits Gunawan Hesti Meilina Hesti Meilina Hindar Hindar I Dewa Gede Arya Putra Indra Indra Indra Indra Insyafrijal Insyafrijal Isra Novari Kamisnuddin Kamisnuddin Laura Vadzla Hermansyah Laura Vadzla Hermansyah Marwan Abu Bakar Marwan Marwan Maulana Gogo Muhammad Budi Muhammad Irham Muhammad Isa Muhammad Isa Muhammad Nanda Muhammad Nanda Muhammad Nasir Muhammad Rusdi Muhammad Yanis Muhammad Yanis Muhammad Yanis Muhammad Yanis Muzakir Zainal Muzakir Zainal Nasrullah Zaini Nasrullah Zaini Nazli Ismail Nazli Ismail Nazli Ismail Nazli Ismail Nela Wirja NOVIA PURNAMA SARI Saiful Saiful Saumi Syahreza Sjafrizal . Suhendrayatna Suhendrayatna Thaharah Ramadhani Tomi Afrizal TOMI AFRIZAL Zainal A. Muchlisin