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Said Muzambiq
Jurusan Teknik Lingkungan, Fakultas Teknik, Universitas Sumatera Utara, Kampus USU Padang Bulan Medan 20155, Indonesia
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Analisis Sebaran Spasial Kerentanan Longsor Sebagai Upaya Mitigasi Bencana di Kecamatan Berastagi Kabupaten Karo Provinsi Sumatera Utara Dinda Ayu Pertiwi Sitorus; Slamet Bejo; Said Muzambiq
Jurnal Serambi Engineering Vol 6, No 3 (2021): Juli 2021
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v6i3.3040

Abstract

Kabupaten Karo has several areas that have the potential to occurrence of a landslide.Therefore, the mitigation  of landslide disaster is very important,  it has long-term negative impacts on  humanity and the environment. This study attempts to analyze the distribution of vulnerability landslides in Berastagi mitigation and management and provide the right environment. The causes of a movement occur  landslides in Berastagi is the state  of a steep slope around 35, 55 % - percent of lithological building materials / unstable material among other volcanic breccias and, riodasit tufa and the factor triggering  rainfall andinfiltration water . The research method was descriptive , whereas scoring with  Shapefile (SHP) data in 2019 was based on the 2004 Puslittanak. The results of the field are the weightings of the respective parameter with overlay uses arcgis 10.6 software. The result showed that the DouluVillage, SempaJaya Village, Raya Village, as well as Tambak Lau Mulgap II in the Berastagi District have a high vulnerability to landslides. Thus, recommendations  for mitigation of calamity , by revegetation  erosion including  planting  crops.
Identification of the Distribution of Leachate in the TPA Terjun, Medan Marelan District, Medan City using the Resistivity 2D Method Said Muzambiq; Amir Husin; Meutia Nurfahasdi; Roy Monald Dongoran
Jurnal Ilmu Lingkungan Vol 21, No 2 (2023): April 2023
Publisher : School of Postgraduate Studies, Diponegoro Univer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jil.21.2.251-256

Abstract

The 2D resistivity method can provide a more detailed subsurface picture, including the distribution of resistivity values in both vertical and horizontal sections. The results of the geoelectric test show that the leachate distribution in Track I (First) is at a track length of 28 meters – 84 meters, a depth of 13 meteras – 17.4 meters with a resistivity value of 2.18 m, Track II (Scond) is at a track length of 7 meters. – 140 meters, 8.93 meters deep – 13.4 meters with a resistivity value of 2.95 m, and Track III (Third) along 80 meters – 110 meters, the depth of The Wenner configuration uses the geoelectrical resistivity method, with a leachate resistivity value of 0, 5 – 5 m is expected to identify the distribution of leachate in the measurement path. The results of the geoelectric test show that the leachate distribution in Track I is at a track length of 28 meters – 84 meters, a depth of 13 meters – 17.4 meters with a resistivity value of 2.18 m, Track II is at a track length of 7 meters. – 140 meters, a depth of 8.93 meters – 13.4 meters with a resistivity value of 2.95 m, and Track III at a length of 80 meters – 110 meters, a depth of 13 meters – 17.4 meters with a resistivity value of 0.807 m. This distribution is also influenced by drainage, soil elevation, soil type, and landfill management in sites city of Medan is the TPA Terjun.
ANALYSIS CHLORIDE OF GROUND WATER WITH MULTIPLE REGRESSION IN AREAS BELAWAN CITY Said Muzambiq; Bambang Dodi Hary Sasmita; Nurhayati
Fruitset Sains : Jurnal Pertanian Agroteknologi Vol. 11 No. 6 (2024): February
Publisher : Institute of Computer Science (IOCS)

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Water indispensable for all life forms and crucial for enhancing human well-being, faces threats from unsustainable groundwater abstraction practices. Ignoring soil water chemistry's characteristics and physical properties during groundwater extraction can lead to contamination, jeopardizing both the quality and quantity of groundwater resources. This contamination, resulting from natural processes like sedimentation and human activities such as sewage discharge, poses significant pollution risks. Through the analysis of chloride levels in groundwater, this study examines the intricate relationships between hydrochemical parameters and seawater intrusion. Utilizing multiple regression analysis, it establishes strong correlations between chloride concentration and key variables including water usage, well depth, permeability, and distance from the shoreline. Predictive curve graphs elucidate how these variables influence chloride concentrations, emphasizing the importance of managing groundwater resources sustainably. The research underscores the imperative of addressing the increasing demand for water while mitigating environmental risks, ensuring the availability of clean water resources for future generations.
Geotourism and Rural Development, Baktiraja Subsub-District : Case Study Toba Caldera Area Humbang Hasundutan Regency Muzambiq, Said
Media Wisata Vol. 21 No. 1 (2023): Media Wisata
Publisher : Sekolah Tinggi Pariwisata AMPTA Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36276/mws.v21i1.398

Abstract

This research aims to evaluate the achievement of rural development in the study area after UNESCO designated Toba Caldera Geopark as a member of the Global Geopark Network (GGN) in July 2020. For that purpose, the authors conduct research to measure the relationship of geotourism with rural development in the area. The methods employed are library research, discussion, observation, field trips and questionnaires to 127 respondents from the village government officers, students, MSME communities and Youth Organizations. The results show that average: 65% of all respondents understand the existence of geotourism and geosites in their area, although only around 40% know precisely two out of 16 existing geosites in the area. There are 60% of them feel improvement in their economy with the presence of this geotourism. After the designation of this area as a Tourism Village Pilot Project in September 2018, more than 2/3 of the MSMEs businessmen feel an increase in consumer visits and receive an increase in revenue of up to 70%. However, questionnaires related to the improvement after the designation of Toba Caldera as UNESCO GGN are unable to be reconciled by them since the Covid19 pandemic also impacts them
Identification of the Distribution of Seawater Intrusion Using the Resistivity 2D Method in the Belawan Area, North Sumatra Province Muzambiq, Said; Husin, Amir; Herlina, Netti; Gultom, Tri Maylani
Jurnal Ilmu Lingkungan Vol 23, No 1 (2025): January 2025
Publisher : School of Postgraduate Studies, Diponegoro Univer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jil.23.1.85-93

Abstract

Excessive withdrawal of deep groundwater has an impact on changing the direction of groundwater flow so that the hydrostatic pressure decreases, resulting in seawater intrusion. This study aims to determine the areas indicated by seawater intrusion and determine the direction of distribution of saltwater contaminants. The method used is the Schlumberger configuration resistivity geoelectric method to obtain resistivity values with a path length of 200 meters. In the research results obtained in the field, processing using Ms. Excel and interpreted using IP2WIN.. The results of the processing using IP2WIN are then processed using Surfer to draw the correlation between Track I and Track III in 2D form. Line I which indicated seawater intrusion, namely the seventh layer with a resistivity value of 0.198 m, was designated as seawater intrusion. Track II shows seawater intrusion, namely in the sixth layer seawater intrusion is found with a resistivity value of 0.0584 m. Track III shows the presence of seawater intrusion, namely in the eighth layer seawater is found with a resistivity value of 0.0035 m. Based on the research conducted, the distribution of seawater intrusion from Track I on Jalan Raya Belawan, Belawan Harbor, Bagan Deli Village, Medan Belawan District, which is close to the beach. Seawater intrusion flows to the southwest which is the location of Track II and Track III through the groundwater layer affected by the intrusion.
Socialization and Education of Mount Sinabung’s Cold Lava Flood Disaster Mitigation, Karo District, North Sumatra Province Said Muzambiq; Zaid Perdana Nasution; Munir Tanjung
ULIL ALBAB : Jurnal Ilmiah Multidisiplin Vol. 3 No. 2: Januari 2024
Publisher : CV. Ulil Albab Corp

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56799/jim.v3i2.2936

Abstract

This study aims to increase students' knowledge about cold lava disaster mitigation through disaster preparedness socialization activities to realize school and community disaster resilience. The methods used are in the form of exposure and explanation of the theory of lava flood mitigation, interactive discussions, giving questionnaires, interviews with qualitative analysis approaches, field trips (field education) and describing cold lava sediment material, plotting locations as well as providing direction on functions and early warning systems and emergency response. on the banks of the river (lau Borus). Involving 45 students from SMA N.1 Tiganderket in Sukatendel village, there are 10 people. The results achieved from this study indicate that the knowledge of the general public and the education community has been able to mention various types of disasters, both natural and non-natural disasters, the education community also understands natural disasters and understands explaining disaster management and has provided answers about various types of disaster management procedures. lava flood disaster and is quite good, so it is hoped that follow-up and optimal results are expected to increase students' knowledge about disaster mitigation and the realization of disaster-resilient schools and communities.
Studi Analisis Kualitas Air Lau Borus (Outlet Danau Lau Kawar), Pasca Erupsi Gunung Sinabung Di Kecamatan Naman Teran, Kabupaten Karo, Provinsi Sumatera Utara Said Muzambiq; Meutia Nurfahasdi; Sarah Fatalosa Manalu Tavi Ni Amida
Widya Teknik Vol. 21 No. 1 (2022): May
Publisher : Fakultas Teknik, Universitas Katolik Widya Mandala Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33508/wt.v21i1.4203

Abstract

Lau borus is an outlet located on Lau Kawar Lake. The location of lau borus is located at the foot of mount sinabung where this mountain has experienced quite high eruptive activity for several years. Determination of the status of water quality in these waters using the Pollution Index Method following the Regulation of the Minister of the Environment number 115 of 2003 and the Regulation of the Minister of Health Number 32 of 2017. The parameters that will be tested in this study are TDS, pH, Fe, SO4, COD, BOD, Cu, Cl, Pb, NH3, Total Coliform. The study was conducted at 3 sample points taken by purposive sampling. The average results of the calculation of the Lau Borus Waters Pollution Index method Outlet Lau Kawar Lightly Polluted Lake (scores from 1.86 to 2.19). While the results of Permenkes number 32 of 2017 the total coliform results show that this value has exceeded the average value. These results indicate that the quality status is influenced by pollutants from Iron (Fe) and Total Coliform which are above the quality standard. The relationship between the eruption activity of Mount Sinabung and the quality of Lau Borus during sampling did not cause a significant pollution impact from volcanic ash pollutants. The cause of Lau Borus pollution is from the wind direction. The percentage results from the eruption wind direction towards Lake Lau Kawar. the direction of the lake with the opposite direction is 1: 8. The eruption towards the Lau Borus Outlet, Lake Lau Kawar, is relatively small compared to the opposite direction.
Neutralization of Galena Acid Mine Water Using CaO and CaCO₃ at PT Berkat Bhinneka Perkasa Zulhaji Sam, Taufik; Mukhlis, Mukhlis; Aththorick, T Alief; Harahap, Hamidah; Muzambiq, Said
Tunas Geografi Vol. 13 No. 2 (2024): JURNAL TUNAS GEOGRAFI
Publisher : Department of Geography Education, Faculty of Social Sciences, Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/tgeo.v13i2.58198

Abstract

The mining system implemented at PT. Berkat Bhinneka Perkasa is an underground mining system. The results from mining the metal mineral commodity black lead ore (PbS/Galena) are helpful in the battery industry, color pigments, ammunition, cable coatings, radiation protection, solder, and other materials that use Pb and Zn as basic ingredients. This research examines the neutralization of acid mine drainage using Tohor Lime (CaO) and Calcium Carbonate Lime (CaCO3). The methods used are survey and experimental techniques, where the survey involves field observations to determine observation points and collect data. In contrast, the experimental method includes laboratory analysis followed by data analysis. This research shows that acid mine wastewater with pH 4.74 and 240.20 ppm Fe²⁺ was effectively treated using quicklime, calcium carbonate, TKKS, and rice husk biochar. These ameliorants significantly increased pH and met the river water quality standards per Government Regulation 22 of 2021. Although active ferrous levels also increased, the effect was not statistically significant. However, excessive ferrous content can harm agricultural soils and plants, potentially causing iron toxicity.
Analisa Data Seismisitas Menggunakan Metode Maximum Likelihood Untuk Mitigasi Gempabumi Kota Sibolga Prasetyo, Retno Agung; Hamzah, Amir; Muzambiq, Said
Jurnal Teknik Informatika UNIKA Santo Thomas Vol 4 No 1: Tahun 2019
Publisher : LPPM UNIKA Santo Thomas

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (966.247 KB) | DOI: 10.17605/jti.v4i1.619

Abstract

Kota Sibolga termasuk salah satu kota yang padat penduduk yaitu 8.033 Jiwa/ Km2. Wilayahnya termasuk pesisir pantai barat Sumatera dekat dengan zona pertemuan lempeng Eurasia dan lempeng Indo Australia. Analisa tingkat seismisitas dalam rangka memitigasi bencana gempabumi yaitu dengan menghitung variasi nilai a dan nilai b, menghitung periode ulang gempabumi dan bagaimana hubungan tingkat kegempaan diwilayah tersebut dengan kondisi geologi Kota Sibolga. Data yang digunakan dalam analisa ini bersumber dari IRIS dan BMKG periode 1971-2016 dengan magnitudo 0-10 pada kedalaman 0-300 km. Dalam analisa ini penulis membagi menjadi 2 segmen berdasarkan distribusi episenter. Untuk segment I pada titik koordinat 1°2’00” - 2°1’00” LU dan 97°8’00” - 98°45’00” BT, Untuk segment II pada titik koordinat 1°2’00” - 2°1’00” LU dan 98°45’00” - 99°1’00” BT. Berdasarkan hasil analisis dengan menggunakan metode Maximum Likelihood yang dibantu dengan software ZMAP 6.0. Pada Segment I diperoleh nilai a antara 4.8 – 5.05 dan b sebesar 0.68-0.73, periode ulang gempa bumi untuk rentang M 4-5 yaitu 0,6-0,8 tahun, M 5-6 yaitu 3-4 tahun, M 6-7 yaitu 10-20 tahun. Pada Segment II diperoleh nilai a antara 3,4 – 3,6 dan b sebesar 0.35-0.395, periode ulang gempa bumi untuk rentang magnitude M 4-5 yaitu 1 – 1,5 tahun, rentang M 5-6 yaitu 5 tahun dan rentang M 6-7 30 – 40 tahun. Jika dibandingkan antara dua segment, maka variasi a dan b segment I lebih tinggi yaitu a 4,7 dan b 0,656. Kota sibolga terdiri dari dua batuan yaitu granit sibolga dan batupasir formasi barus. Secara umum, dapat disimpulkan bahwa wilayah analisa memiliki tingkat seismisitas tinggi dan rawan bencana gempa bumi yang dibuktikan dengan periode ulang gempa bumi yang singkat yaitu kurang dari 40 tahun dan sering terjadi gempa-gempa kecil baik di daratan maupun lautan.
Analisa Data Seismisitas Menggunakan Metode Maximum Likelihood Untuk Mitigasi Gempabumi Kota Sibolga Prasetyo, Retno Agung; Hamzah, Amir; Muzambiq, Said
Jurnal Teknik Informatika UNIKA Santo Thomas Vol 4 No 1: Tahun 2019
Publisher : LPPM UNIKA Santo Thomas

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (966.247 KB) | DOI: 10.17605/jti.v4i1.619

Abstract

Kota Sibolga termasuk salah satu kota yang padat penduduk yaitu 8.033 Jiwa/ Km2. Wilayahnya termasuk pesisir pantai barat Sumatera dekat dengan zona pertemuan lempeng Eurasia dan lempeng Indo Australia. Analisa tingkat seismisitas dalam rangka memitigasi bencana gempabumi yaitu dengan menghitung variasi nilai a dan nilai b, menghitung periode ulang gempabumi dan bagaimana hubungan tingkat kegempaan diwilayah tersebut dengan kondisi geologi Kota Sibolga. Data yang digunakan dalam analisa ini bersumber dari IRIS dan BMKG periode 1971-2016 dengan magnitudo 0-10 pada kedalaman 0-300 km. Dalam analisa ini penulis membagi menjadi 2 segmen berdasarkan distribusi episenter. Untuk segment I pada titik koordinat 1°2’00” - 2°1’00” LU dan 97°8’00” - 98°45’00” BT, Untuk segment II pada titik koordinat 1°2’00” - 2°1’00” LU dan 98°45’00” - 99°1’00” BT. Berdasarkan hasil analisis dengan menggunakan metode Maximum Likelihood yang dibantu dengan software ZMAP 6.0. Pada Segment I diperoleh nilai a antara 4.8 – 5.05 dan b sebesar 0.68-0.73, periode ulang gempa bumi untuk rentang M 4-5 yaitu 0,6-0,8 tahun, M 5-6 yaitu 3-4 tahun, M 6-7 yaitu 10-20 tahun. Pada Segment II diperoleh nilai a antara 3,4 – 3,6 dan b sebesar 0.35-0.395, periode ulang gempa bumi untuk rentang magnitude M 4-5 yaitu 1 – 1,5 tahun, rentang M 5-6 yaitu 5 tahun dan rentang M 6-7 30 – 40 tahun. Jika dibandingkan antara dua segment, maka variasi a dan b segment I lebih tinggi yaitu a 4,7 dan b 0,656. Kota sibolga terdiri dari dua batuan yaitu granit sibolga dan batupasir formasi barus. Secara umum, dapat disimpulkan bahwa wilayah analisa memiliki tingkat seismisitas tinggi dan rawan bencana gempa bumi yang dibuktikan dengan periode ulang gempa bumi yang singkat yaitu kurang dari 40 tahun dan sering terjadi gempa-gempa kecil baik di daratan maupun lautan.
Co-Authors Amir Hamzah Amir Husin Amir Husin, Amir Aththorick, T Alief Bambang Dodi Hary Sasmita Bejo Slamet Dinda Ayu Pertiwi Sitorus Gultom, Tri Maylani Hamidah Harahap, Hamidah Meutia Nurfahasdi Meutia Nurfahasdi Mukhlis Mukhlis Munir Tanjung Nasution, Zaid Perdana Netti Herlina Nurhayati Prasetyo, Retno Agung Roy Monald Dongoran Sarah Fatalosa Manalu Tavi Ni Amida Zulhaji Sam, Taufik