Geomorphology study on the Bandar Lampung Capital City for recommendation of development area

Mulyasari, Rahmi; Utama, Hari Wiki; Haerudin, Nandi

doi:10.1088/1755-1315/279/1/012026

Cited by 14 publications

(11 citation statements)

References 2 publications

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“…Beberapa patahan terlihat jelas melintasi Bandar Lampung. Keberadaan patahan tersebut tercermin pada kondisi morfologinya yang berupa perbukitan dengan kelerengan yang curam [10]. Berdasarkan stratigrafi regional, daerah penelitian termasuk ke dalam batuan produk gunung api Formasi Tarahan (Tpot) yang berupa tuf padu, breksi dengan sisipan rijang; Formasi Campang (Tpoc) bagian bawah yang terdiri dari perselingan batulempung, serpih, dan tuf padu, serta bagian atas yang terdiri dari breksi aneka bahan dengan sisipan batupasir dan batulanau; dan Sekis Way Galih (Pzgs) yang terdiri dari sekis amfibolit hijau dan amfibolit ortogenes dioritan [9].…”

Section: Pendahuluanunclassified

“…Oleh karena itu, penting untuk melakukan penataan wilayah di area potensi longsor di Kecamatan Panjang. Penelitian pendahuluan mengenai penataan gerakan massa/longsor di daerah ini telah dilakukan pada tahun 2018 dengan pembuatan peta geomorfologi untuk rekomendasi pengembangan wilayah [10]. Berdasarkan penelitian tersebut, Kecamatan Panjang termasuk pada tingkat potensi bahaya yang tinggi terkait kondisi geomofologi dan sesar yang mengontrolnya.…”

Section: Pendahuluanunclassified

“…Tahap pertama pada penelitian ini adalah melakukan studi pustaka untuk mendapatkan data penunjang penelitian, terutama mengenai geologi daerah penelitian, baik secara regional maupun lokal. Data penunjang lain yang dipelajari adalah peta topografi citra ALOS PALSAR DEM [14], peta tata guna lahan [15], peta curah hujan [12], peta geomorfologi [10], peta zonasi potensi area gerakan massa/longsor, dan data sejarah longsor di zona rawan longsor Kecamatan Panjang [12].…”

Section: Metodologiunclassified

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Aplikasi Metode Geolistrik dan Analisis X-Ray Diffraction (XRD) untuk Investigasi Longsor di Pidada, Kecamatan Panjang, Bandar Lampung

et al. 2021

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ABSTRAK. Bandar Lampung merupakan wilayah perkotaan padat penduduk yang terdiri atas daratan dan perairan dengan beberapa dataran tinggi dan pegunungan yang terbentang di wilayah ini. Untuk mendukung pembangunan yang berkelanjutan di sebuah kawasan kota diperlukan konsep penataan wilayah yang mempertimbangkan segala aspek, salah satunya adalah aspek potensi bencana. Salah satu bencana yang berpotensi terjadi di Bandar Lampung, khususnya di Kecamatan Panjang, adalah gerakan massa/longsoran. Berdasarkan penelitian sebelumnya, daerah ini terekam memiliki beberapa titik sejarah longsor tetapi belum ada mitigasi/penanggulangan yang diaplikasikan khusus untuk jenis bencana tersebut. Tujuan dari penelitian ini adalah untuk mengetahui susunan batuan yang berada pada zona rawan longsor Kecamatan Panjang menggunakan metode geolistrik resistivitas serta untuk mengetahui hasil penilaian keteknikan tanah yang diperoleh dari hasil analisis litologi menggunakan X-Ray Diffraction (XRD). Hasil analisis dua lintasan geolistrik mengindikasikan adanya tiga lapisan litologi pada daerah penelitian, yaitu sedimen tuf dengan nilai resistivitas dan kedalaman antara (1–40 Ωm; 0,4–4 m), zona kontak atau bidang gelincir (40–120 Ωm; 2–4 m), dan breksi padu dengan komponen batuan beku (> 120 Ωm; 2–22 m). Selanjutnya berdasarkan hasil analisis penilaian keteknikan tanah, sedimen tuf sebagai lapisan permukaan yang mengalami longsoran diidentifikasi memiliki sifat keteknikan litologi yang rentan karena telah mengalami oksidasi dan pelapukan yang cukup intensif. Data yang diperoleh ini diharapkan dapat dimanfaatkan sebagai data dukung penataan wilayah berbasis potensi bencana.ABSTRACT. Bandar Lampung is a densely populated urban area consisting of land and water with several plateaus and mountains that stretch across this region. To support sustainable development in a city area, it is necessary to have a regional arrangement concept that considers all aspects, one of which is the potential disaster aspect. One of the potential disasters in Bandar Lampung, especially in Panjang District is a mass movement/landslide. Based on previous research, this area has been recorded as having several historical points of landslides, but there is no mitigation/response specifically for this type of disaster. The purpose of this study was to determine the arrangement of rocks that are in the landslide-prone zone in Panjang District using the geoelectric resistivity method and to analyze the soil engineering assessment obtained from the results of lithological analysis using X-Ray Diffraction (XRD). The results of the geoelectric analysis indicate that there are three lithological layers in the study area; namely tuff sediments with resistivity values and depths between (1–40 Ωm; 0.4–4 m), clay sand (40–120 Ωm; 2–4 m), and solid breccias with igneous rock components (>120 Ωm; 2–22 m). Furthermore, based on the results of the analysis of soil engineering assessments, tuff sediment as a surface layer that has experienced landslides has been identified as having susceptible lithological engineering properties because it has undergone quite intensive oxidation and weathering. The data obtained is expected to be used as supporting data for disaster potential-based regional planning.

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Section: Pendahuluanunclassified

Section: Metodologiunclassified

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Aplikasi Metode Geolistrik dan Analisis X-Ray Diffraction (XRD) untuk Investigasi Longsor di Pidada, Kecamatan Panjang, Bandar Lampung

et al. 2021

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“…The city is crossed by two major rivers, Way Kuala and Way Kuripan, as well as 23 smaller rivers. All of these rivers contribute to the formation of a watershed that drains into Lampung Bay [4]. It also has a significant port city for the Sumatra region, located on a bay-shaped beach that protects the coastal area from high waves caused by strong winds [5].…”

Section: Introductionmentioning

confidence: 99%

A Critical Analysis of the Challenges of Collaborative Governance in Climate Change Adaptation Policies in Bandar Lampung City, Indonesia

Mukhlis

Perdana

2022

Sustainability

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It is not uncommon that collaborative governance is now generating new attention in Indonesia as a method of governing. This is because of the terrible historical experience of governance during the New Order era, including the state’s dominant role, the government’s unwillingness to engage actors outside the state, and a centralized and top-down development pattern. Collaborative governance, specifically the recommendation to involve multiple stakeholders (government, private sector, and society) in government management and public policy, addresses these issues. Therefore, the purpose of this study was to provide a critical review of the ongoing collaborative governance process and to determine whether various challenges associated with collaborative governance are influencing the success of climate change adaptation policies in increasing adaptive capacity in Bandar Lampung City. This study was conducted in Bandar Lampung City on the Indonesian island of Sumatra using a qualitative approach and involved informants who were both apparatus and members of the Bandar Lampung City Climate Change Resilience Coordination Team. Interviews and document analysis were used to collect data, which were then analyzed using a content analysis procedure. The findings indicate that this city has achieved a number of milestones in its efforts to improve the adaptive capacity of government institutions and society. However, the collaborative governance approach, which is hailed as the optimal method for implementing long-term public policies, is not always smooth, demonstrating that collaborative governance remains vulnerable to failure due to cultural, institutional, and political factors. The article concludes with suggestions for future research.

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“…Panjang District has medium to high ground movement potential. Preliminary research on the arrangement of mass movements/landslides in this area has been carried out by Mulyasari (2018) by making geomorphological maps for regional development recommendations [6].…”

Section: Introductionmentioning

confidence: 99%

Slip Surface Identification for Landslide Hazard Mitigation With Electrical Resistivity Tomography

Wibowo

Maulia

Haerudin

et al. 2022

IPR

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Pidada area, Panjang sub-district, Bandar Lampung city, located on Barisan Hill complex, has been affected by the Sumatran fault movement and the Lampung-Panjang fault so that the morphological condition is hilly with steep slopes, which causes the risk of natural disasters such as landslides. In this article, the identification of subsurface rock lithology and sliding plane in the landslide-prone zone is carried out using the Wenner-Schlumberger configuration geoelectric method. Based on the Wenner-Schlumberger configuration, the top layer has lithology clay tuff and sandy tuff, which predicted a weathered rock with a resistivity of 1 - 133 ohm.m. Coarse-grained tuff and fine-grained tuff with resistivity values of 135 - 250 ohm.m in the middle. The bottom layer has a resistivity of more than 250 ohm.m, that predicted to have a lithology breccia (igneous rock) Tarahan Formation. The sandy clay layer (81 - 90 ohm.m) predict as a sliding plane in this area at depths of 8.2 to 16 m. The type of landslide developed in the research area is a crawling soil landslide with very steep slope characteristics (80 – 350).

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Geomorphology study on the Bandar Lampung Capital City for recommendation of development area

Cited by 14 publications

References 2 publications

Aplikasi Metode Geolistrik dan Analisis X-Ray Diffraction (XRD) untuk Investigasi Longsor di Pidada, Kecamatan Panjang, Bandar Lampung

Aplikasi Metode Geolistrik dan Analisis X-Ray Diffraction (XRD) untuk Investigasi Longsor di Pidada, Kecamatan Panjang, Bandar Lampung

A Critical Analysis of the Challenges of Collaborative Governance in Climate Change Adaptation Policies in Bandar Lampung City, Indonesia

Slip Surface Identification for Landslide Hazard Mitigation With Electrical Resistivity Tomography

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