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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: Theory, Practice and Policy/STPP Journal of Earth Energy Science, Engineering, and Technology Jurnal Azimut Geosfera: Jurnal Penelitian Geografi JAGE Jurnal Cendekia Ilmiah Jurnal Ekonomi, Manajemen, Akuntansi Jurnal Riset dan Pengabdian Interdisipliner Bionatural
Ahmad Zainuri
Department Of Earth Science And Technology, 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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Geologi Regional Daerah Tamboo, Kecamatan Bonepantai, Kabupaten Bone Bolango, Provinsi Gorontalo Jingga Hamdata; Ahmad Zainuri; Ronal Hutagalung
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Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jrpi.v3i3.40389

Abstract

This research was conducted in Tamboo Village, Bonepantai District, Bone Bolango Regency, Gorontalo Province, with the aim of identifying the geological conditions of the study area, including its geomorphology, geological structures, and stratigraphy. The research employed geological field mapping supported by laboratory analyses to obtain comprehensive geological data. The results indicate that the geomorphology of the study area is divided into two geomorphic units, namely the denudational hill unit and the marine coastal plain unit.The denudational hill unit is the dominant landform, covering approximately 70% of the study area. This unit extends in a northwest–southeast direction and is characterized by relatively closely spaced contour patterns and gently rounded slopes formed by denudational processes. In contrast, the marine coastal plain unit occupies approximately 30% of the study area, with elevations ranging from 0 to 50 meters above sea level. This unit developed within a transitional environment between the land and the sea and exhibits the same northwest–southeast distribution.The geological structures identified in the study area are classified as secondary geological structures, represented by the presence of shear fractures and tension fractures. Based on geological age, the stratigraphy of the study area consists of two lithological units, namely Holocene (Quaternary) limestone as the youngest unit and Miocene (Tertiary) andesite as the oldest unit. Overall, the geological conditions of the study area demonstrate a close relationship among lithology, geomorphology, and geological structures, which collectively control the formation and evolution of the landscape.
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.
Identifikasi Lapisan Akuifer Berdasarkan Survei Geolistrik Konfigurasi Schlumberger di Desa Botumoputi, Kabupaten Gorontalo Aril A.H Sahidah; Ahmad Zainuri; Noviar Akase
Journal of Applied Geoscience and Engineering Vol 4, No 2 : Desember 2025
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jage.v4i2.36986

Abstract

A continuously growing population day by day means that the need for water is also increasing.The majority of the Botumoputi Village community uses groundwater every day through dug wells and drilled wells for their daily needs. The purpose of the study was to determine the subsurface geological conditions that can be used as a reference in estimating the location, thickness, depth and type of aquifer. The method used is the resistivity geoelectric method using the Schlumberger configuration. Measurements were carried out at 3 points with a span length of 300 m each. Data processing and interpretation using software IPI2win. The results of processing Schlumberger configuration geoelectric data and subsurface geological interpretation to identify the type of groundwater aquifer in the Botumoputi area show 3 layers of rock types based on their resistivity values, namely top soil, clay and sand. It is estimated that the potential for groundwater is found in TS1 and TS2 where the lithology that acts as an aquifer is sandstone with a resistivity value of 16.8 - 42.7 ohms with a depth ranging from 3.93 - 17.2 m with a thickness of 8.88 - 13.27 m and is interpreted as a shallow aquifer.
Identifikasi Akuifer Air Tanah dengan Vertical Electrical Sounding (VES) Berdasarkan Kondisi Geologi di Daerah Bulalo, Gorontalo Utara Moh. Syach L. Lasahido; Ahmad Zainuri; Noviar Akase
Journal of Applied Geoscience and Engineering Vol 4, No 2 : Desember 2025
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jage.v4i2.32199

Abstract

This study aims to identify and understand the geological characteristics and groundwater aquifer potential in the study area. The research methods employed include surface geological mapping, borehole data interpretation, as well as lithology and structural geology analysis. The results indicate that the geological formations in the study area are predominantly composed of sedimentary and volcanic rocks with significant lithological variations, such as sandstone, claystone, and tuff. The identified geological structures, including folds and faults, influence the distribution of aquifers and groundwater flow. Aquifers in the study area are categorized into unconfined and confined aquifers, with the highest potential found in sandstone layers due to their high porosity and permeability. These findings are expected to serve as an important foundation for the sustainable management of groundwater resources in the study area.
Identifikasi Bidang Gelincir Longsor Berdasarkan Metode Electrical Resistivity Tomography (ERT) di Desa Tolango, Kabupaten Gorontalo Utara Tya Ivanka Hiola; Ahmad Zainuri; Ronal Hutagalung
Journal of Applied Geoscience and Engineering Vol 4, No 2 : Desember 2025
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jage.v4i2.32373

Abstract

This study aims to analyze the geological conditions and landslide potential in Tolango Village, Anggrek District, North Gorontalo Regency. The research area is predominantly composed of two main lithological units: andesite and alluvial deposits. Field observations, petrographic analysis, and structural measurements were carried out to determine the geological characteristics. In addition, geoelectrical surveys using the Electrical Resistivity Tomography (ERT) method were conducted to interpret subsurface conditions. The results show that the upper layer (1.25–3.75 m) consists of clayey soil with low resistivity values (8.10–100 Ωm), while the lower layer (up to 15.9 m) is composed of andesite bedrock with higher resistivity values (101–7,600 Ωm). A potential slip surface was identified at the contact between these two layers, which becomes critical when water infiltration increases during the rainy season. Structural features such as thrust faults and joints were also observed, indicating tectonic influence on slope instability. Overall, the integration of geological and geophysical data confirms that the area is highly susceptible to landslides, particularly on steep slopes with impermeable clay-rich layers overlying resistant bedrock.
Kajian Geologi Teknik dan Potensi Longsor pada Segmen IG1 dan IG2 Akses Tambang di Kabupaten Pohuwato, Gorontalo Immanuel Ginting; Aang Panji Permana; Ahmad Zainuri
Journal of Applied Geoscience and Engineering Vol 4, No 2 : Desember 2025
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jage.v4i2.37128

Abstract

This study examines the geological conditions and slope stability of segments IG1 and IG2 in the Magazine access area of the Pani Gold Project, Pohuwato Regency. The research methods include geological mapping, scanline analysis, kinematic evaluation using stereonet, and Rock Mass Rating (RMR) and Slope Mass Rating (SMR) assessments. Segment IG1 consists of volcanic breccia with an RMR value of 57 (Class III, Fair Rock) and an SMR value of 45–50 (Poor), indicating wedge failure potential. Segment IG2 is dominated by dacite with an RMR of 60 (Class III, Fair Rock) and an SMR of 55–60 (Fair–Good), showing a tendency toward toppling failure. The results suggest that IG2 is relatively more stable than IG1, although localized failures may occur. Technical recommendations include slope reinforcement with rock bolts, shotcrete, and drainage systems to minimize slope failure risks.
ANALISIS PERUBAHAN ALIH FUNGSI LAHAN MANGROVE DI BINUANGA BOLAANG MONGONDOW UTARA Daud Yusuf; Rahmat Jaya Lahay; Heru Z Thalib; Ahmad Zainuri; Wa Ode Faridawaty; Dewi Wahyuni K Baderan; Ramli Utina; Hasim
Jurnal Bionatural Vol. 11 No. 1 (2024): JURNAL BIONATURAL
Publisher : LPPM Universitas Cipta Mandiri

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

Abstract

This study analyses changes in mangrove land conversion in Binuanga, North Bolaang Mongondow, and its impacts on the environment and society. Satellite imagery data showed a decrease in mangrove area of about 2 hectares between 2009 and 2019, caused by land conversion to agriculture and climate change. However, the 2019-2023 period shows a positive trend with an increase in mangrove area of around 11.9 hectares to 69.6 hectares. This was triggered by the development of mangrove tracking tourism that encourages nursery and replanting in degraded areas. This finding shows that mangrove damage is reversible. Key efforts to achieve this include Implementation of stricter regulations on land conversion, Increased public awareness on the importance of mangroves, Implementation of rehabilitation and reforestation programmes
GEOLOGI BAWAH PERMUKAAN DESA DAMBALO KECAMATAN TOMILITO KABUPATEN GORONTALO UTARA Cindi Claudia Male; Ahmad Zainuri; Noviar Akase
Sustainability: 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.
Co-Authors Abdul Haris PanaI Ana Saputri R Yahya Aril A.H Sahidah Cindi Claudia Male Daud Yusuf Dela Pusfika Sari Napu Destira Handayani Eksan Dewi Wahyuni K. Baderan Farid SM Fitryane Lihawa Hasim Heru Z Thalib Ibrahim Sota Immanuel Ginting Intan Noviantari Manyoe Irmawati Irmawati Iswan Dunggio Jingga Hamdata Kasim, Muhammad Marini Susanti Hamidun Misnawaty Wantogia Moh. Syach L. Lasahido Mohamad Riski Rahman Muh Hasym As'ari Muh Kasim Naafi Syahna Firdhaus Biya Noviar Akase Nurdin Mohamad Nurfaika Permana, Aang Panji Pratiansyah Karim Rahmat Jaya Lahay Ramli Utina Rizky Hizrah Wumu Ronal Hutagalung Siti Chusnul Chatimah Nurrahmah Suci Badriani Ohi Sukirman Rahim Sutriyono sutriyono Syam S. Kumaji Tya Ivanka Hiola Wa Ode Faridawaty Wa Ode Fitria Ramadani Windayani Ika Yunitasari Yayu Indriati Arifin