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All Journal Jurnal Geografi MUHARRIK: JURNAL DAKWAH DAN SOSIAL
Alfazri, Muhammad
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Earth & Planetary Sciences Education Environmental Science Social Sciences Other

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Assessing the Impact of Shoreline Changes on Framework Adaptive Tourism Development (Case Study: Mandiri Beach, Pesisir Barat, Lampung) Aziz, Fahmi; Sahid, Sahid; Yanto, Nana Putri; Esthi Wira Hutama, Surya Tri; Tarigan, Trika Agnestasia; Ajiid Mustofa, Asep Nurul; Harianja, Rahmatullah; Alfazri, Muhammad; Almanti, Nur Zaida
JURNAL GEOGRAFI Vol. 18 No. 1 (2026): JURNAL GEOGRAFI
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/jg.v18i1.71343

Abstract

This study investigates shoreline changes at Mandiri Beach, Pesisir Barat Regency, Lampung Province, during the period 2013–2024 using the Digital Shoreline Analysis System (DSAS). Landsat imagery was processed through Google Earth Engine (GEE) and ArcGIS, with the Modified Normalized Difference Water Index (MNDWI) applied to delineate land–water boundaries. Shoreline dynamics were quantified using DSAS metrics, including Net Shoreline Movement (NSM) and End Point Rate (EPR). The results reveal significant spatial variability: several segments experienced erosion, particularly in western and northeastern zones, while other areas showed accretion, mainly across gently sloping beaches and river mouths. In the primary research area, abrasion reached a maximum of 1.49 m with an average NSM of 1.41 m, and the End Point Rate indicated a gradual annual abrasion trend of 0.13 m/year. Meanwhile, Mandiri Sejati District exhibited more extreme changes, with maximum accretion of 11.84 m and maximum abrasion of 16.2 m, reflecting high sensitivity to environmental and anthropogenic pressures. These findings highlight the importance of adaptive coastal management framework to mitigate erosion risks and optimise accretion zones for sustainable tourism development. The study contributes to disaster mitigation planning, coastal resource management, and the integration of ecological conservation with tourism utilisation.
Prophetic Communication Ethics and Digital Ta'awun in the #WargaBantuWarga Movement Helmi, Badrul; Alfazri, Muhammad; Zahara, Rita; Indra, Farhan
MUHARRIK: Jurnal Dakwah dan Sosial Vol. 9 No. 1 (2026): Muharrik: Jurnal Dakwah dan Sosial
Publisher : Fakultas Dakwah Institut Agama Islam Sunan Giri Ponorogo

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This study analyses how the #WargaBantuWarga movement during the 2025 Sumatra floods functioned as a form of digital mass communication while manifesting the value of ta’awun in the online public sphere. This study employs a qualitative approach with a netnographic method to examine the #WargaBantuWarga movement as a practice of digital mass communication in the context of the 2025 Sumatra floods. Data were collected through digital documentation and non-participant observation, then analysed through data reduction, data display, and conclusion drawing, with source triangulation used to strengthen validity. The findings reveal that #WargaBantuWarga developed into a node of digital mass communication connecting the documentation of suffering, the dissemination of aid information, the mobilisation of donations, moral support, and criticism of the slow formal response. Conversations that continued into the post-disaster phase indicate that the hashtag moved beyond functioning as a simple issue marker and became a medium sustaining the visibility of the crisis while encouraging public engagement. Ta’awun was manifested through ta’awun maklumat, maliyah, ma’nawiyah, and amaliyah, all circulating across platforms. The study concludes that digital mass communication in disaster contexts serves not only as an informational channel, but also as a moral space that communicatively shapes solidarity, responsibility, and collective action. This study contributes to the field of communication studies, particularly digital mass communication, disaster communication, and Islamic communication ethics, by showing how online public participation during disasters can manifest ta’awun as an ethical principle embedded in digital solidarity practices.
Co-Authors Ajiid Mustofa, Asep Nurul Almanti, Nur Zaida Aziz, Fahmi Harianja, Rahmatullah Helmi, Badrul Hutama, Surya Tri Esthi Wira Indra, Farhan Nana Putri Yanto Rita Zahara, Rita Sahid Sahid Trika Agnestasia Tarigan