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All Journal JPG (Jurnal Pendidikan Geografi) Jurnal Fisika FLUX JRST (Jurnal Riset Sains dan Teknologi) Jambura Geoscience Review Aksara: Jurnal Ilmu Pendidikan Nonformal Jurnal Sibermas (Sinergi Pemberdayaan Masyarakat) Sustainability (STPP) Theory, Practice and Policy Journal of Earth Energy Science, Engineering, and Technology Jurnal Azimut Jurnal Cendekia Ilmiah Jurnal Ekonomi, Manajemen, Akuntansi Jurnal Riset dan Pengabdian Interdisipliner
Ahmad Zainuri
Universitas Negeri Gorontalo
Agriculture, Biological Sciences & Forestry Humanities Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Medicine & Pharmacology Physics Public Health Social Sciences Other

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Metode Geological Strength Index (GSI) untuk Perkiraan Bahaya Bencana Geoteknik pada Lereng Ruas Gorontalo Outer Ring Road Segment 1 STA 6+450 Rachmat Ramadhan Nur Syamsuri; Ahmad Zainuri; Muhammad Kasim
JRST (Jurnal Riset Sains dan Teknologi) Volume 6 No. 1 Maret 2022: JRST
Publisher : Universitas Muhammadiyah Purwokerto

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1128.566 KB) | DOI: 10.30595/jrst.v6i1.11097

Abstract

GORR atau Gorontalo Outer Ring Road merupakan jalan nasional yang  menghubungkan tiga wilayah yang bertujuan untuk meningkatkan perekonomian tiga wilayah tersebut yang mana sejarah geologinya berada pada busur kepulauan magmatik dengan peristiwa struktural terjadi sebanyak 2 periode mengakibatan intensif rekahan yang terbentuk. Penggunaan metode GSI bertujuan untuk mengetahui tingkat kualitas massa batuan dengan pengambilan data menggunakan scanline mapping kemudian penilaian GSI berdasarkan paramater yang ditentukan meliputi Structure Rating dan Surface Conditon Rating. Hasil analisa mendapatkan bahwa lereng ini memiliki nilai GSI sebesar 45 yang menunjukan kualitas maasa batuan buruk-sedang. Potensi  perkiraan terjadinya bahaya geoteknik diakibatkan adanya arah kemiringan lapisan yang searah dengan lereng. Oleh karena, itu perlu adanya perencanaan yang tepat ataupun perkuatan.
Assessment of Hydrochemical Facies on Groundwater Quality in Daenaa Village and its Surroundings, West Limboto District Dela Pusfika Sari Napu; Fitryane Lihawa; Ahmad Zainuri
Jambura Geoscience Review Vol 5, No 2 (2023): Jambura Geoscience Review (JGEOSREV)
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34312/jgeosrev.v5i2.14866

Abstract

The study is required to evaluate the groundwater condition, such as finding the relationship with the lithology, determining the facies of groundwater, and providing an overview of the present groundwater conditions, genetics, and groundwater quality. This study aims to explain the relationship between lithology and groundwater chemistry, groundwater quality, and the determination of the chemical facies of groundwater to determine the genetic type of groundwater. This study uses field survey methods and random sampling techniques, measurements of groundwater physical properties, trilinear piper diagrams, and laboratory analysis in the form of rock geochemical analysis (XRF) at the PSDMBP Laboratory and chemical analysis of groundwater at the PT Global Quality Analytical Laboratory. The results show that the lithology in the study area consists of clastic limestone, sandstone, breccia, and dacite. Lithology in the study area primarily plays an essential role in chemical ion enrichment in groundwater. Determination of groundwater quality is based on Permenkes, Permen ESDM, and ISDW, which obtained eleven well points in the good quality category, five well points in the poor quality category, and four other well points categorized as poor quality. Based on the analysis results in the trilinear piper diagram, there is one type of groundwater chemical facies (not varied), namely the Ca-Cl type facies. The presence of the Ca-Cl facies type is interpreted as a seawater intrusion phase.
GEOLOGI BAWAH PERMUKAAN DESA DAMBALO KECAMATAN TOMILITO KABUPATEN GORONTALO UTARA Cindi Claudia Male; Ahmad Zainuri; Noviar Akase
Sustainability (STPP) Theory, Practice and Policy Vol. 4 No. 1 (2024): Sustainability: Theory, Practice and Policy June Edition
Publisher : Pusat Kajian Berkelanjutan UIN Sulthan Thaha Saifuddin Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30631/sdgs.v4i1.2424

Abstract

Dambalo Village, Tomilito District, North Gorontalo Regency, Gorontalo Province, is the designated research area listed in the administrative records. The main objectives of this research are to determine the surface and subsurface geology, understand the geological conditions of the research area, and analyze the cross-section of subsurface geological layers. The study employs the Schlumberger configuration geoelectric method to examine the subsurface geological cross-section. The researchers used a combination of geological surveys and subsurface data surveys, collecting data on surface geological features, outcrop observations, and resistivity measurements. The research area features a single landform unit, the denudational plain, and its stratigraphy includes a lithostratigraphic unit, Volcanic Breccia. The study area comprises four rock layers: the first layer is topsoil (passive clay), the second layer is sand, the third layer is breccia, and the fourth layer is sand. These conclusions are supported by geological and geoelectric data, demonstrating the effectiveness of integrating surface and subsurface surveys to provide a comprehensive understanding of the geological structure.
Pengaruh Pendapatan Perkapita dan Jumlah Penduduk Terhadap Tingkat Kemiskinan di Kabupaten Bone Bolango Provinsi Gorontalo Misnawaty Wantogia; Ahmad Zainuri; Daud Yusuf; Syam S Kumaji; Farid SM; Iswan Dunggio; Sukirman Rahim
J-CEKI : Jurnal Cendekia Ilmiah Vol. 3 No. 6: Oktober 2024
Publisher : CV. ULIL ALBAB CORP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56799/jceki.v3i6.5638

Abstract

This study aims to analyze the effect of per capita income on poverty levels in Bone Bolango Regency, Gorontalo Province. The regency faces challenges in reducing poverty despite various government programs. The knowledge gap regarding the direct contribution of per capita income to poverty is the focus of this research. Here, we demonstrate that an increase in per capita income has a negative correlation with poverty levels, where each rise in income is associated with a significant reduction in poverty percentage. However, the study also found that population growth significantly increases poverty if not accompanied by improvements in economic and social infrastructure. The findings of this research imply that economic policies aimed at increasing income must be supported by improvements in access to education, healthcare, and infrastructure to more effectively reduce poverty rates in the region. Future research is expected to deepen the analysis of other factors that influence poverty more comprehensively
Pengelolaan Air Tanah dalam Perspektif Global: Review Artikel atas Tantangan Polusi dan Perubahan Iklim Ahmad Zainuri; Nurdin Mohamad; Marini Susanti Hamidun; Sukirman Rahim; Abdul Haris Panai
EKOMA : Jurnal Ekonomi, Manajemen, Akuntansi Vol. 4 No. 1: November 2024
Publisher : CV. Ulil Albab Corp

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56799/ekoma.v4i1.5991

Abstract

Groundwater plays a crucial role in supporting ecosystems and meeting human needs, but increasing human activities and climate change threaten its sustainability. In the Murray-Darling Basin, Australia, and South Africa, climate change exacerbates groundwater depletion, reducing river flows and damaging ecosystems. Governance challenges and groundwater pollution from industrial and agricultural activities are also significant, as seen in the Netherlands and Uzbekistan. Studies indicate regulatory gaps and the need for more advanced predictive models, such as 3D models to monitor saltwater intrusion in Vanuatu. These findings highlight the necessity of integrated policies, governance reforms, and technological innovation for sustainable groundwater management. The implications stress the importance of long-term planning to address nitrogen pollution and excessive groundwater extraction to safeguard this vital resource for future generations.
Analisis Tipe Fasies Hidrokimia Air tanah Berdasarkan Kondisi Litologi di Desa Olele, Kecamatan KabilaBone, Kabupaten Bonebolango Pratiansyah Karim; Nurfaika Nurfaika; Ahmad Zainuri
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Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jrpi.v3i2.37989

Abstract

This research was conducted in Olele Village, Kabila Bone District, Bone Bolango Regency, Gorontalo Province. The study aims to analyze the relationship between lithology and groundwater hydrochemistry and to determine the groundwater hydrochemical facies. The methods used include surface geological mapping, groundwater chemical analysis at the Chemistry Laboratory of Universitas Negeri Gorontalo, and determination of hydrochemical facies using the Piper trilinear diagram. The results of groundwater chemical analysis plotted on the Piper diagram indicate that the hydrochemical facies in the study area is dominated by the Na–Cl facies. This facies suggests the influence of seawater mixing or seawater intrusion into the coastal aquifer system. This condition is reinforced by reef limestone lithology, which has high porosity and permeability, allowing seawater to enter the shallow groundwater aquifer. Thus, reef limestone lithology plays an important role in controlling the aquifer system and influencing groundwater hydrochemical characteristics. Interaction between groundwater and the coastal environment causes groundwater to evolve toward the Na–Cl facies.  
Analisis Porositas dan Permeabilitas Batupasir Sebagai Potensi Reservoir Airtanah Daerah Tudi dan Sekitarnya Irmawati Irmawati; Aang Panji Permana; Ahmad Zainuri
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Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jrpi.v3i3.39443

Abstract

Sandstone is a mixture or collection of rock fragments and mineral grains resulting from the natural erosion of various rock types. Changes and the presence of mineral grains in sandstone are strongly controlled by sedimentation processes during deposition, such as weathering in the source area, increasing distance and transport from the source area to the sedimentation environment, and diagenesis. This study aims to analyze the potential of sandstone in the Tudi area and its surroundings as a groundwater reservoir based on porosity and permeability analysis. This study used field geological mapping, porosity analysis, and permeability analysis. The sandstone units in the study area have varying porosities and permeabilities. Sample 15 BP has poor porosity, while sample 2 BP has good porosity. However, both samples have high permeability, indicating rapid water flow through them. The potential of sandstone in the study area as a reservoir rock in both samples is very good, as rapid fluid flow can accelerate the extraction or utilization process.
Analisis Tingkat Kerawanan Gerakan Tanah Desa Tontayuo, Kecamatan Batudaa Pantai, Kabupaten Gorontalo Ana Saputri R Yahya; Ahmad Zainuri; Noviar Akase
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Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jrpi.v3i3.39353

Abstract

Tontayuo Village, Batudaa Pantai District, Gorontalo Regency is an area with hilly topography and morphological characteristics with variations in slope gradients as well as lithology and rainfall conditions that have the potential to trigger landslides. This study aims to analyze the lithology of study area and the level of landslide vulnerability in the area. The research methods include field geogogical mapping, secondary data processing, and spatial analysis based on Geographic Information System (GIS). Assessment of landslide vulnerability levels is based on slope gradient parameters, lithology types, rainfall, lineament density, and land cover. The results of the study show that the lithology that makes up the study area includes basalt, granodiorite, limestone, and alluvial units. Based ono the analysis results, the level of landslide vulnerability in the study area can be categorized into 3 (three) classes, namely, low landslide vulnerability class (29,93 ha), medium landslide vulnerability class (178,3 ha), and high landslide vulnerability class (197,38 ha).
Co-Authors Abdul Haris PanaI Ana Saputri R Yahya Cindi Claudia Male Daud Yusuf Dela Pusfika Sari Napu Destira Handayani Eksan Farid SM Fitryane Lihawa Ibrahim Sota Intan Noviantari Manyoe Irmawati Irmawati Iswan Dunggio Marini Susanti Hamidun Misnawaty Wantogia Mohamad Riski Rahman Muh Kasim Naafi Syahna Firdhaus Biya Noviar Akase Nurdin Mohamad Nurfaika Nurfaika Permana, Aang Panji Pratiansyah Karim Rachmat Ramadhan Nur Syamsuri Rizky Hizrah Wumu Siti Chusnul Chatimah Nurrahmah Suci Badriani Ohi Sukirman Rahim Sutriyono sutriyono Syam S. Kumaji Windayani Ika Yunitasari Yayu Indriati Arifin