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All Journal IPTEK The Journal for Technology and Science Adi Widya : Jurnal Pengabdian Masyarakat IJOCE (International Journal of Offshore and Coastal Engineering)
Mahmud Mustain
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Computer Science & IT Engineering Social Sciences Other

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A Study on the Reservoir Capacity to Control Mud Flood Derived from Mud Volcano: A Phenomenon in Sidoarjo Mahmud Mustain; Rohmat Ilman Salim; Sholihin Sholihin; Sujantoko Sujantoko
IPTEK The Journal for Technology and Science Vol 21, No 4 (2010)
Publisher : IPTEK, LPPM, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j20882033.v21i4.52

Abstract

This paper is an extended research of Coastal Zone Management of Sidoarjo mud phenomenon. The idea is to find special concept of management to control mud flood using reservoir system. This method, in the mud fluid, is intentionally used to make separation of the solid materials from water. The concept is to calculate sediment velocity in order to find the time of sedimentation then to estimate the volume of mud. Therefore, the reservoir will be determined from this calculation. The result of this research is the dimension of the reservoir: area of 3,704,144.36 m2, the depth of 5.94 m, and the volume 22.018.856.07 m3. The time of sedimentation is calculated of 28.33 hours for 42.2 % of material volume sedimentation. Consequently, the suspension material is 57.8 %. The correction of calculation is depending on the calculation of the velocity of sedimentation, about 2 %.
Peningkatan Budaya Belajar-Mengajar Dan Reputasi Sekolah Melalui Penerapan Sistem Monitoring Pembelajaran Online Rudi Walujo Prastianto; Mahmud Mustain; Herman Pratikno; Handayanu Handayanu; Dwi Purnomo H, Zuhud Ubaidillah & Miftakh D.S
Adi Widya : Jurnal Pengabdian Masyarakat Vol 3 No 2 (2019): ADIWIDYA
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33061/awpm.v3i2.3350

Abstract

Inovasi teknologi untuk pendidikan mutlak dibutuhkan di era Revolusi Industri 4.0, karena teknologi digital dapat memberikan solusi terhadap permasalahan masyarakat di sektor pendidikan. Fleksibilitas, efektifitas dan efisiensi penggunaan teknologi yang tepat dapat menembus ruang dan waktu dalam menjembatani komunikasi antar para pemangku kepentingan dalam proses pendidikan. Penerapan sistem monitoring pembelajaran online sebagai kegiatan pengabdian kepada masyarakat oleh Departemen Teknik Kelautan FTK-ITS dengan mitra sekolah Al Uswah Surabaya, menjadi solusi terhadap sistem yang masih konvensional yang kurang efektif dan efisien serta rentan terhadap ketidakakuratan akibat kesalahan manusia. Pada akhirnya, dengan sistem ini dapat memperbaiki pelayanan dan kinerja, sehingga efektivitas dan efisiensi proses tersebut meningkat. Parameter penting yang direkam menjadi database oleh sistem monitoring pembelajaran terkait kehadiran siswa, kehadiran guru dan durasi waktu proses belajar mengajar dapat dianalisis secara statistik deskriptif. Fitur sistem yang mampu diakses orang tua siswa, bahkan dapat menjadi media promosi untuk meningkatkan reputasi sekolah serta peran serta orang tua/wali siswa dalam mendukung kesuksesan kegiatan pendidikan. Sistem elektronik ini tidak akan memberikan hasil optimum jika tidak diiringi dengan perubahan pemahaman dan perbaikan budaya belajar mengajar guru, siswa, serta manajemen sekolah. Atau sebaliknya, dengan kehadiran sistem ini secara tidak langsung dapat memaksa untuk terjadinya perubahan budaya belajar-mengajar ke arah yang lebih baik secara bertahap. Dalam penelitian ini parameter penting terkait kegiatan proses belajar mengajar selanjutnya dianalisis untuk menemukan hubungan yang mendukung hipotesis terkait peningkatan budaya belajar mengajar dan reputasi sekolah melalui penggunaan sistem berbasis teknologi komunikasi dan informasi ini.
Analysis of Lamong Bay Shoreline Changes Use Digital Shoreline Analysis System Rikhul Jannah; Mahmud Mustain; Sujantoko
International Journal of Offshore and Coastal Engineering Vol. 9 No. 2 (2025)
Publisher : Department of Ocean Engineering

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j225800914.v9i2.8933

Abstract

Lamong Bay is a strategic area, and in 2010 a port was built to improve competitiveness. This study analyzed shoreline changes in the western part of Lamong Bay in 2004, 2009, 2014, 2019, and 2024 using Landsat 7 ETM+ and Landsat 8/9 OLI/TIRS imagery. Data extraction used the Normalized Difference Water Index (NDWI) method in ArcGIS, while shoreline change analysis used the Digital Shoreline Analysis System (DSAS) with End Point Rate (EPR), Net Shoreline Movement (NSM), and Shoreline Change Envelope (SCE). The results show the highest accretion occurred in Romokalisari Village from 2004 to 2009 at 13.80 meters/year, and the highest abrasion occurred in the same village from 2019 to 2024 at -34.21 meters/year. Based on NSM, the highest accretion occurred in Romokalisari from 2004 to 2009 at 67.42 meters, and the highest abrasion occurred from 2019 to 2024 at -163.38 meters. Based on SCE, the highest change occurred in Romokalisari at 331.93 meters from 2019 to 2024, and the lowest change occurred in Osowilangun Village at 0.01 meters in the same period. Overall, accretion dominates the study area, but extreme abrasion in Romokalisari from 2019 to 2024 is influenced by reclamation. This study is expected to support sustainable coastal management and shoreline change mitigation.
Resource Empowerment and Optimization of Beach Tourism Facilities in Delegan, Gresik, East Java Mahmud Mustain; Sujantoko; Anggita Deva Ariyanti
International Journal of Offshore and Coastal Engineering Vol. 9 No. 1 (2025)
Publisher : Department of Ocean Engineering

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j225800914.v9i1.4514

Abstract

The discipline of Integrated Coastal Zone Management (ICZM) is still growing, especially in Indonesia, but its implementation is still relatively young. This study focuses on beach tourism. Ecotourism development and management is one of the efforts to utilize local resources that must be optimal. Delegan Gresik Tourism Beach, East Java, is a management research area for ecotourism development. This research aims to determine the potential of existing resources in Delegan Beach attractions and make scenarios for development plan efforts. This is done through Strengths, Weaknesses, Opportunities and Threats (SWOT) analysis and interviews to determine resource potential, development alternatives and priorities, both through analysis of internal and external factors. The results of this study show that forms of stakeholder participation influence the determinants of the development of natural tourism areas on Delegan Beach. The resulting development directions include the use of various resources, the development of facilities as community business opportunities, the empowerment of community skills, the Improvement of regional socialization, and efforts to preserve the environment.
Co-Authors Anggita Deva Ariyanti Dwi Purnomo H, Zuhud Ubaidillah & Miftakh D.S Handayanu Handayanu Herman Pratikno, Herman Rikhul Jannah Rohmat Ilman Salim Rudi Walujo Prastianto Sholihin Sholihin Sujantoko Sujantoko Sujantoko