Article Per Year (5 Year)
p-Index From 2021 - 2026
3.296
P-Index
This Author published in this journals
All Journal Indonesian Journal of Geography Majalah Forum Teknik UGM Geo Media: Majalah Ilmiah dan Informasi Kegeografian LaGeografiA Majalah Geografi Indonesia Journal of Degraded and Mining Lands Management Jurnal Wilayah dan Lingkungan Jurnal Pengabdian Kepada Masyarakat (Indonesian Journal of Community Engagement) Jurnal Geosains dan Teknologi Geodika: Jurnal Kajian Ilmu dan Pendidikan Geografi Jurnal Fisika Indonesia Journal of Applied Geology Jurnal Manusia dan Lingkungan
Heru Hendrayana
Departemen Teknik Geologi, Fakultas Teknik, Universitas Gadjah Mada Yogyakarta
Agriculture, Biological Sciences & Forestry Humanities Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Energy Engineering Environmental Science Physics Social Sciences Other

Published : 47 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 47 Documents
Search

 1   2   3   4   5 
Identification and distribution of fluoride in Singkep Island, Lingga Regency, Riau Islands Razi, Faizal; Hendrayana, Heru; Harijoko , Agung
Journal of Degraded and Mining Lands Management Vol. 11 No. 4 (2024)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2024.114.6185

Abstract

The consumption of fluoride below the safe limit can result in dental caries, while high concentrations can lead to fluorosis, which can potentially impair the body's systems. One geological factor that influences the concentration of fluoride in water is the type of rock through which the water passes, including granite and its weathering products. The area is located within the Tandjungbuku Formation, which is predominantly composed of granite rock and contains several areas with Mining Business Permits (IUP) for commodities such as silica sand. This research serves as a form of mitigation in response to mining activities, post-mining, and the development of an industrial area. One anticipated impact is an increase in fluoride concentration in the research area, originating from both natural geological processes and human activities. The investigation involved geological mapping, petrographic analysis, XRD, and XRF analysis. Water sampling was conducted for both surface water and groundwater from wells in Resang Tandjungbuku Village. The research area consists of two rock units: granite, which acts as a non-aquifer layer, and colluvial deposits, which function as a free aquifer. Petrographic analysis identified minerals associated with fluoride, such as plagioclase, amphibole, and biotite. This was supported by XRD analysis with the presence of biotite, muscovite and kaoline minerals. XRF results revealed fluoride values in granite rock at 0.23% or 2300 ppm, further confirming granite as a source of fluoride. Analysis of fluoride in surface water showed values ranging from 0.01 to 4.24 mg/L, while groundwater consistently had a value of 0.01 mg/L.
The decline in water level and discharge of Lake Toba of North Sumatera, Indonesia, affected by land degradation Riyanto, Indra Agus; Hendrayana, Heru; Yuli Widyaningsih; Jayanto, Galih Dwi; Azmin Nuha; Sabdo Sumartono
Journal of Degraded and Mining Lands Management Vol. 12 No. 2 (2025)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2025.122.7123

Abstract

Lake Toba is one of the prioritized conservation lakes in Indonesia, crucial for domestic needs, tourism, fisheries, agriculture, and power generation. However, Lake Toba’s water levels and discharge have declined in recent decades. This study aimed to enhance water recharge and the water level of Lake Toba through hydrological modeling using the SWAT analysis and regional and specific conservation measures. The SWAT analysis utilized input data, including climate, soil, geomorphology, land use, and hydrology, to generate both existing and post-conservation water balance models. Conservation methods were categorized into civil engineering and vegetative approaches. Vegetative conservation techniques included agroforestry and MPTS (Multi-Purpose Tree Species), while civil engineering methods encompassed terracing, trenching, and infiltration wells. Regional conservation focused on land use plant types, while specific conservation involved detailed classification of the Lake Toba watershed by slope class, plant type, and land use. The analysis revealed significant land use changes in the Lake Toba catchment area, with dry fields increasing from 72,961 ha to 125,000 ha, a decrease in water level from 905 to 903 m above sea level, and a reduction in discharge from 180 m³/s to 125 m³/s. SWAT analysis shows that the existing inflow to Lake Toba is 131 m³/s (with 78% accuracy), with potential increases to 250 m³/s due to regional conservation and 180 m³/s due to specific conservation. Conservation efforts have also improved discharge rates across 39 sub-watersheds of Lake Toba, both monthly and annually.
In-depth Assessment of Groundwater Quality in East Java Industrial Areas to Maintain the Sustainability of Groundwater Utilization Hendrayana, Heru; Riyanto, Indra Agus; Nuha, Azmin
Journal of Degraded and Mining Lands Management Vol. 12 No. 3 (2025)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2025.123.7649

Abstract

With its abundant groundwater potential, East Java faces a growing risk of contamination due to rapid industrial growth. This study assessed groundwater quality in four regional groundwater basins (GWB) using the Water Quality Index (WQI), water quality standard comparison, Piper diagram, and hydrogeochemical ion analysis. The WQI analysis revealed that 59% of the samples were classified as excellent and good for consumption, predominantly found in volcanic, river alluvial, and limestone hill areas. In comparison, 11% were unsuitable for consumption due to contamination, particularly near coastal, industrial, and agricultural zones. The Piper diagram showed that most groundwater samples were unpolluted, reflecting the natural interaction between groundwater and surrounding lithology. However, ion standard comparison identified samples exceeding acceptable ion levels, and ion correlation analysis confirmed contamination from industrial, agricultural, anthropogenic, and municipal wastewater activities. These findings highlight the need for targeted groundwater management, particularly in areas vulnerable to contamination.
Assessing groundwater recharge zones through land use analysis for sustainable management of degraded catchments in Cokro Spring area of Klaten Regency, Indonesia Riyanto, Dwi Siswo; Hendrayana, Heru; Erwindy, Jossi
Journal of Degraded and Mining Lands Management Vol. 12 No. 5 (2025)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2025.125.9023

Abstract

Sustainable groundwater availability depends on the optimal functioning of recharge zones, particularly in spring catchments that supply clean water. This study delineates groundwater recharge zones in the 81 km² Cokro Spring catchment, Klaten Regency, using an integrated approach combining Vertical Electrical Sounding (VES) geophysical data with a GIS-based Analytical Hierarchy Process (AHP). Eight parameters were analyzed: lithology, rainfall, land use land cover, soil, drainage density, groundwater level, slope, and topography. The resulting recharge map was validated using Receiver Operating Characteristic (ROC) analysis, incorporating both spring observation points and random data points. Results indicated three recharge categories: good (38%), dominated by lapilli tuff and fractured lava, moderate (35%), located in the western fine tuff zone, and poor (27%), in the central area characterized by massive lava and built-up land. Land use changes from 2019 to 2022 revealed increased settlements and reduced infiltration areas, which contributed to a decline in recharge potential. Groundwater levels from 2012 to 2025 decreased at all measurement points, likely driven by LULC changes and increased abstraction. The study demonstrated the effectiveness of the integrated VES-AHP-GIS approach for mapping recharge zones, providing a scientific basis for targeted groundwater conservation and sustainable resource planning in volcanic catchments.
Kajian Geologi Lingkungan Untuk Pengembangan Kawasan di Desa Bejiharjo, Kecamatan Karangmojo, Kabupaten Gunungkidul Budianta, Wawan; Hendrayana, Heru; Putra, Doni Prakasa Eka; Wilopo, Wahyu; Indrawan, I Gde Budi; Setiawan, Hendy
Jurnal Wilayah dan Lingkungan Vol 13, No 1 (2025): April 2025
Publisher : Department of Urban and Regional Planning, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jwl.13.1.33-48

Abstract

Aspek geologi lingkungan memegang peran penting dalam perencanaan wilayah. Penelitian ini mengevaluasi beragam parameter geologi, terutama terkait airtanah dan sifat permukaan, untuk memperkuat pengembangan wilayah Desa Bejiharjo di Kecamatan Karangmojo, Kabupaten Gunungkidul. Parameter yang diteliti meliputi kedalaman muka air tanah dan Total Dissolved Soil (TDS), yang diperoleh dari sumur gali dan hanameter, serta karakteristik tanah dan batuan yang didapatkan melalui pemetaan. Temuan penelitian memaparkan tiga zona kedalaman muka air tanah (dangkal <6 m, dalam 6-20 m, sangat dalam >20 m), dua zona TDS (excellent <300 mg/L, good 300-600 mg/L), serta dua zona satuan permukaan (zona tanah dan batuan). Zonasi pengembangan kawasan ditentukan melalui pembobotan setiap parameter dan pengklasifikasian skor yang membaginya menjadi zona sangat mampu, mampu, dan kurang mampu. Zona yang dianggap cocok untuk pengembangan adalah zona mampu dan sangat mampu yang menunjukkan variasi karakteristik lahan dengan kedalaman muka air tanah antara <6 m hingga >20 m, permukaan yang terdiri dari campuran tanah-batuan, dan nilai TDS antara <300 hingga 600 mg/L. Sebaliknya, zona kurang mampu diisi dengan kedalaman air tanah dari 6 m hingga >20 m, permukaan yang merupakan tanah residu, dan nilai TDS antara <300 hingga 600 mg/L. Dominasi tanah residu menjadi faktor utama yang mengkategorikan zona ini sebagai zona kurang mampu karena tanah residu memiliki kualitas pondasi yang kurang dibandingkan dengan batuan.
Pemetaan Kekritisan Zonasi Resapan Air di Kota Semarang Amin, Muhammad Fakhriudin Falam; Dharmawan, Krisna Indra; Budianta, Wawan; Hendrayana, Heru
Jurnal Wilayah dan Lingkungan Vol 11, No 3 (2023): December 2023
Publisher : Department of Urban and Regional Planning, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jwl.11.3.264-278

Abstract

Salah satu akibat pembangunan infrastruktur dan penambahan pemukiman adalah perubahan fungsi lahan di Kota Semarang. Terjadinya perubahan fungsi lahan akan berakibat pada proses peresapan air ke dalam tanah yang berdampak salah satunya adalah banjir. Tujuan penelitian ini adalah mengevaluasi tingkat kekritisan resapan air di Kota Semarang. Metode penelitian diawali dengan menentukan paramater yang mempengaruhi resapan air di daeah penelitian. Parameter yang digunakan dalam penelitian ini meliputi jenis tanah, tata guna lahan, kemiringan lereng, dan litologi, dankemudian dilakukan pembuatan peta-peta tiap parameter. Setelah itu, dilanjutkan dengan pembobotan tiap parameter dengan menggunakan metode Analytical Hierarchy Process (AHP). Selanjutnya, dari hasil pembobotan dilakukan pembagian zonasi tingkat kekritisan resapan air di daerah penelitian. Hasil penelitian menunjukkan bahwa zonasi daerah resapan air yang berada di Kota Semarang termasuk dalam zona sangat kritis, kritis, agak kritis, mulai kritis, normal alami, dan baik. Hasil penelitian ini diharapkan dapat dijadikan referensi dalam pembuatan kebijakan dalam rangka konservari air tanah maupun mitigasi bencana banjir yang kerap kali terjadi di sebagian daerah penelitian.
Zona Perlindungan Sumber Banyuning untuk Menjaga Keberlanjutan Air Tanah Kota Batu. Solikh, Mochammad Wildanun; Hendrayana, Heru; Budianta, Wawan
Majalah Geografi Indonesia Vol 40, No 1 (2026): Majalah Geografi Indonesia
Publisher : Fakultas Geografi, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/mgi.114478

Abstract

Abstrak Air tanah merupakan sumber daya penting yang menopang kebutuhan domestik, pertanian, dan aktivitas ekonomi, namun tekanan terhadap keberlanjutannya semakin meningkat akibat perubahan penggunaan lahan dan pertumbuhan penduduk. Kota Batu sebagai wilayah hulu Daerah Aliran Sungai Brantas memiliki banyak mata air yang bergantung pada sistem akuifer vulkanik, salah satunya Sumber Banyuning yang dimanfaatkan secara intensif oleh masyarakat. Penelitian ini bertujuan untuk mengkaji kondisi geologi dan hidrogeologi serta menentukan zona perlindungan Mata Air Sumber Banyuning sebagai dasar pengelolaan sumber daya air tanah yang berkelanjutan. Penentuan zona perlindungan dilakukan melalui metode zonasi mata air yaitu hidrogeologi, manual, solusi analitik, serta kombinasi ketiga metode tersebut. Hasil penelitian menunjukkan bahwa wilayah penelitian tersusun atas tiga satuan litologi utama yaitu andesit Anjasmoro, andesit Arjuno Welirang, dan breksi gunung api Arjuno Welirang. Aliran air tanah bergerak dari barat laut menuju tenggara mengikuti kemiringan topografi sehingga daerah imbuhan berada di bagian barat laut. Berdasarkan analisis tersebut ditetapkan empat zona perlindungan, yaitu Zona I dengan radius 10 m dan luas 121 m2, Zona II dengan radius sekitar 336 m dan luas 0,136 km2, Zona III dengan radius sekitar 2,56 km dan luas 4,24 km2, serta Zona Imbuhan dengan luas minimal 5,63 km2 yang terletak hingga sekitar 4,32 km dari mata air. Analisis penggunaan lahan menunjukkan bahwa zona perlindungan didominasi oleh hutan, lahan perkebunan, dan sebagian permukiman yang berpotensi memengaruhi proses infiltrasi dan kualitas air tanah. Oleh karena itu, pengelolaan dilakukan melalui pengaturan aktivitas pada setiap zona, yaitu perlindungan ketat di Zona I, pembatasan penggunaan bahan kimia dan penanaman vegetasi pada Zona II, pengendalian aktivitas pencemar pada Zona III, serta pelestarian tutupan hutan pada zona imbuhan. Penetapan zonasi ini diharapkan dapat mendukung konservasi air tanah dan menjaga keberlanjutan Mata Air Sumber Banyuning di Kota Batu.Abstract Groundwater is an important resource that supports domestic, agricultural, and economic activities; however, increasing pressure on its sustainability has emerged due to land use change and population growth. Batu City, located in the upstream area of the Brantas River Basin, contains numerous springs associated with volcanic aquifer systems, one of which is Banyuning Spring that is intensively utilized by local communities. This study aims to examine the geological and hydrogeological conditions and to determine the protection zones of Banyuning Spring as a basis for sustainable groundwater resource management. The delineation of spring protection zones was conducted using a spring zoning approach including hydrogeological analysis, manual methods, analytical solutions, and a combination of these approaches. The results show that the study area consists of three main lithological units, namely Anjasmoro andesite, Arjuno–Welirang andesite, and Arjuno–Welirang volcanic breccia. Groundwater flow moves from northwest to southeast following the regional topographic gradient, indicating that the recharge area is located in the northwestern part of the study area. Based on this analysis, four protection zones were established, namely Zone I with a radius of 10 m and an area of 121 m2, Zone II with a radius of approximately 336 m and an area of 0.136 km2, Zone III extending about 2.56 km with an area of 4.24 km2, and a recharge zone with a minimum area of 5.63 km2 located up to approximately 4.32 km from the spring. Land use analysis indicates that the protection zones are dominated by forest, plantation areas, and limited settlements that may influence infiltration processes and groundwater quality. Therefore, management strategies are implemented by regulating activities in each zone, including strict protection in Zone I, restriction of chemical use and vegetation planting in Zone II, control of potential contaminating activities in Zone III, and preservation of forest cover within the recharge zone. The delineation of these zones is expected to support groundwater conservation and maintain the sustainability of Banyuning Spring in Batu City.Submitted:2025-12-17 Revisions:2026-03-02 Accepted:2026-03-09 Published:2026-03-10
Co-Authors Agung Harijoko Agung Setianto Agus Budhie Wijatna Agus Budhie Wijatna Agus Budhie Wijatna Agus Budhie Wiyatna Agus Darmawan Adi Ahmad Rif’an Khoirul Lisan Alwan Satapona Amin, Muhammad Fakhriudin Falam Arif Fadillah Azmin Nuha Azmin Nuha Azmin Nuha Azmin Nuha Azmin Nuha Azmin Nuha Azmin Nuha Azmin Nuha Azwar Satry Muhammad Briyan Aprimanto Briyan Aprimanto Budiarjo Budiarjo Bunchoeun Pich Chhuon Kong Devy, Shalaho Dina Dharmawan, Krisna Indra Doni Prakasa Eka Putra Dony Prakasa Eka Putra Doung Rata Dwikorita Karnawati Erwindy, Jossi Harizona Aulia Rahman Hendy Setiawan Hiroshi Kawase Hnin Thandar Phyu I Gde Budi Indrawan I Wayan Warmada Indra Agus Riyanto Indra Agus Riyanto Indra Agus Riyanto Indra Agus Riyanto Indra Agus Riyanto Indra Agus Riyanto Ismayuni, Novia Jayanto, Galih Dwi Jinno, Kenji Kamai, Toshitaka Kawase, Hiroshi Kenji Jinno Keophousone Phonhalath Kong, Chhuon Leakhena Snguon M Widyastuti M. Widyastuti M. Widyastuti M. Widyastuti Muhammad Iqbal Muhammad Iqbal Muhammad, Azwar Satry Muhammad, Azwar Satrya Myo Thant Nuha, Azmin Phetnakhone Xaixongdeth Phonhalath, Keophousone Phyu Phyu Thin Phyu, Hnin Thandar Pich, Bunchoeun Ponhalath Xaixongdeth Rata, Doung Razi, Faizal Retno Wuryandari Retno Wuryandari, Retno Riyanto, Dwi Siswo Riyanto, Indra Agus Ruslisan Ruslisan Ryllia Ekklessia Ryllia Ekklessia, Ryllia S Sunarno Sabdo Sumartono Sambodo, Ahmad Priyo Satapona, Alwan Sato, Tsutomo Sato, Tsutomu Satoru Kawasaki Saw Aung Zaw Aye Shinta Dwi Novianti Snguon, Leakhena Solikh, Mochammad Wildanun Souvannachith, Thilavanh Subagyo Pramumijoyo Subagyo Pramumijoyo, Subagyo Sudarmadji Sudarmadji Sudarmadji Sudarmadji Sudarmadji Sudarmadji Sudarmadji Sudarmadji Sudarmadji Sukandarrumidi Sukandarrumidi Sukandarrumidi Sukandarrumidi, Sukandarrumidi Sunarno Sunarno Sunarno Sunarno Sutikno Sutikno Sutikno Sutikno Sutikno Sutikno T. Putranto, Thomas Tetsuro Yoneda Thandar Phyu, Hnin Thant, Myo Thilavanh Souvannachith Thomas T. Putranto Thomas Triadi Putranto Thomas Triadi Putranto, Thomas Triadi Toshitaka Kamai Tsutomo Sato Tsutomu Sato Wahyu Wilopo Wawan Budianta Widyaningsih, Yuli Wiyatna, Agus Budhie Xaixongdeth, Phetnakhone Xaixongdeth, Ponhalath Yayi Ismanda Yoneda, Tetsuro Yosua Priambodo Yuli Widyaningsih Zaw Aye, Saw Aung