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Geographic information system in determining flood and safe zone for flood mitigation Nur Khaerat Nur; Muhammad Chaerul; Abdul Azis
ILKOM Jurnal Ilmiah Vol 13, No 3 (2021)
Publisher : Prodi Teknik Informatika FIK Universitas Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33096/ilkom.v13i3.942.294-299

Abstract

Computer-based technology has pervaded practically every aspect of human life in the modern era. Through diverse information systems, various fields have employed computer-based technology to build theories and their applications. Geographic Information System (GIS) technology is one type of computer-based system that is widely employed. Various disciplines can use Geographic Information System (GIS) technology to research and map flood zones. The research approach employed is the employment of ARC GIS 10.5 system technology to determine the flood zone's features. Pampang, Tamamaung, Sinri Jala, and Karuwisi Utara are four villages that are flood-prone locations that are included in the warning zone, according to the results of data processing using GIS software and data analysis illustrated from mapping the flood area in Panakkukang District. There are 1,985 hectares in the Rappocini sub-district, which is included in a vulnerable region, namely Bantabantaeng Village, and 145,709 hectares in Karunrung Village, Gunung Sari, Bontomakkio, Tidung, Kassi-Kassi, Mappala. Parts of the Manggala, Bangkala, and Borong regions, as well as sub-districts of Manggala, are included in the vulnerable areas. Tamalanrea Indah, Tamalanrea Jaya, and Tamalanrea sub-districts are the Tamalanrea sub-districts that have been designated as vulnerable zones.
Analysis of vulnerability level of beach abration disaster in the District of North Galesong, Takalar Regency Firdaus Firdaus; Muhammad Chaerul; Sry Gusty
ASTONJADRO Vol. 11 No. 3 (2022): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v11i3.7195

Abstract

Vulnerability is the inability of an individual or community group to minimize the impact caused by a hazard. Information about the level of vulnerability is essential to reduce the risks and effects caused by a disaster. Assessment of the level of vulnerability of threatened areas is carried out to minimise losses and the population exposed to disasters. This study aims to determine the level of vulnerability to coastal abrasion in North Galesong District, Takalar Regency. The analytical method used is the vulnerability index of coastal areas consisting of population components, namely population density and vulnerable groups, economic components, low-income families and anglers, physical components in the form of building density and ecological features in the form of mangrove vegetation. Analysis of vulnerability index data using the vulnerability assessment table issued by the Regulation of the Head of BNPB Number 2 of 2012. The overall results of the research are the vulnerability level of coastal villages in North Galesong District is in the high category. The category of high vulnerability is a condition of a community or society that leads to or causes a high inability to deal with the threat of coastal erosion in the North Galesong District. Vulnerability reduction activities can be carried out by increasing public understanding, especially vulnerable groups and poor fishers groups, through training and socialization activities regarding potential disaster threats, the driving factors for their occurrence and the risks. Socialization of the potential danger of abrasion and extreme waves for fishers is necessary to increase knowledge in dealing with disaster threats. Socialization can be done by inviting anglers to disaster management activities.
Community of analysis mitigation and adaptation to the flood disaster overload of Lake Tempe, Wajo Regency Andi Muhammad Reza; Muhammad Chaerul; Sry Gusty
ASTONJADRO Vol. 12 No. 1 (2023): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v12i1.8143

Abstract

In South Sulawesi, Wajo Regency is one of the areas prone to flooding during the rainy season. Floods that occur in the area cause inundation. The inundation that occurred was caused by the overflow of Lake Tempe. This research was conducted in Laelo Village, Tempe District, which is located around the Tempe Lake Coast. This location was chosen purposively with the consideration that the area has become a frequent flood in the western part of the kelurahan (the part near the lake). The village has a low contour in the west and high in the east. The research design is descriptive and qualitative which aims to describe the state or status of the phenomenon. The purpose of the research is to analyze the forms of adaptation and mitigation that will be carried out by communities in flood-affected areas. This research uses field surveys, in-depth interviews, making field notes, and documentation. The data collection method was carried out using purposive sampling because the desired sample in the study was only people living in the coastal area of the lake, namely in Laelo Village which was only affected by flooding, not the entire Laelo Village community. Data analysis techniques in qualitative descriptive research are carried out with interactive analysis in the form of cycles. Data analysis was carried out simultaneously with the implementation process of data collection. The results of interviews with the community show that they understand that flooding is an ordinary natural phenomenon which is an overflow of a lake, but they do not know why there is a flood. Some people who live on the shores of the lake feel that almost every year they are exposed to floods from the lake. Where the form of adaptation they do is to raise the pole of the house and prepare a boat that is moored under the house to be used as a means of transportation in the event of a flood. Several forms of mitigation that have been carried out are water hyacinth retaining embankments, and making taller bridges with concrete connecting roads from house to house. Information has been found regarding evacuation signs with the evacuation route installed, the mosque is used as a place to disseminate information related to the incident and development of the flood. It is better to form a disaster-resilient village in the area to create an area that is more prepared to face disasters.
Analisis Pengurangan Risiko Bencana Abrasi Pantai di Kecamatan Galesong Utara Kabupaten Takalar Firdaus Firdaus; Muhammad Chaerul; Sri Gusty
Syntax Literate Jurnal Ilmiah Indonesia
Publisher : CV. Ridwan Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (379.591 KB) | DOI: 10.36418/syntax-literate.v7i4.6726

Abstract

Abrasi menjadi permasalahan bagi ekosistem maupun pemukiman di wilayah pesisir. Dampak dari abrasi adalah terjadinya kemunduran garis pantai yang dapat mengancam bangunan maupun ekosistem yang berada di belakang wilayah garis pantai. Mitigasi bencana abrasi di wilayah pesisir saat ini belum dilakukan secara komprehensif. Penelitian ini bertujuan untuk mengetahui tingkat ancaman, tingkat kerentanan dan tingkat kapasitas bencana abrasi pantai, mengetahui tingkat risiko bencana abrasi pantai dan pengurangan risiko bencana abrasi pantai di Kecamatan Galesong Utara. Metode Analisis yang digunakan yaitu metode analisis deskriptif komparatif untuk menyimpulkan tingkat risiko bencana abrasi pantai. Pengambilan data dilakukan melalui pengukuran parameter, survei lapangan dan analisis data sekunder. Analisis data menggunakan perangkat sistem informasi geografis (SIG) dan tabel analisis bersumber dari aturan Kepala Badan Nasional Penanggulangan Bencana Nomor 2 Tahun 2012 yang di modifikasi oleh penulis berdasarkan kondisi lokasi penelitian. Hasil penelitian menunjukkan bahwa, (1) tingkat ancaman bencana abrasi pantai di wilayah pesisir Kecamatan Galesong Utara memiliki kategori tinggi (2) tingkat kerentanan bencana abrasi pantai di wilayah pesisir Kecamatan Galesong Utara masuk dalam kategori sedang, (3) indeks kapasitas seluruh wilayah pesisir Kecamatan Galesong Utara termasuk dalam kapasitas dengan kategori rendah, (4) risiko bencana abrasi pantai di seluruh wilayah pesisir Kecamatan Galesong Utara masuk kedalam kategori tinggi, dan (5) pengurangan risiko bencana abrasi pantai perlu perbaikan stabilitas pantai melalui pembangunan fisik pemecah gelombang dan menanam vegetasi pantai yang sesuai dengan karakteristik pantainya, sedangkan upaya pencegahan berupa penegakan aturan terkait sempadan pantai dan perlindungan ekosistem pesisir pantai.
Pencemaran Logam Berat Hg, As, Cd Di Sedimen Sungai Langkowala Akibat Aktivitas Penambangan Kabupaten Bombana Sulawesi Tenggara Nurbarasamuma Nurbarasamuma; Muhammad Chaerul
Jurnal Lingkungan Almuslim Vol 1 No 1 (2022): Jurnal Lingkungan Almuslim
Publisher : Program Studi Magister Pengelolaan Sumberdaya Alam dan Lingkungan Universitas Almuslim

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51179/jla.v1i1.941

Abstract

The purpose of this research is to analyze the level of heavy metal contamination and get pollution status on Langkowala river sediment in Watu-Watu village, Lantari Jaya sub-district, Bombana regency, Southeast Sulawesi province covering mercury (Hg), Arsenic (As) and Cadmium (Cd) mining activities. The method of sampling using grab sampling method and heavy metal analysis method was done in Laboratory using Atomic Absorbtion Spectrophotometry (AAS), then continued with data analysis using United State Enviromental Protection Agency (US EPA) standard quality standard. The test results of heavy metals samples including Mercury (Hg), Arsenic (As) and Cadmium (Cd) on Langkowala river sediments and paddy fields in Watu-Watu village on six sampling stations showed none of the parameters that exceeded the heavy metal standard on the sediment in accordance with the ratio of metal content to the standard of sediment quality standard according to United State Enviromental Protection Agency (US EPA).
Pencemaran Logam Berat Cd, Ni Dan Fe Pada Endapan Sedimen Sungai Daerah Tinanggea Konawe Selatan Sulawesi Tenggara Wahyu Ekawati; Muhammad Chaerul
Jurnal Lingkungan Almuslim Vol 1 No 1 (2022): Jurnal Lingkungan Almuslim
Publisher : Program Studi Magister Pengelolaan Sumberdaya Alam dan Lingkungan Universitas Almuslim

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51179/jla.v1i1.945

Abstract

The purpose of this research is to analyze the level of heavy metal contamination and get pollution status on KEM river sediment in Tinanggea village, Konawe district south, Southeas Sulawesi Province covering cadmium(Cd), Nickel(Ni), Iron(Fe).The method of sampling using grab sampling method and hevy metal analysis method was done Laboratory using Atomic Absorbtion Spectrophotometry(AAS), the continued with data analysis using United states Enviromental Protection Agency (US EPA) standard quality standard. The test results of heavy metal samples which include Cadmium (Cd), Iron(Fe), Nickel(Ni) on KEM river deposits in Tinanggea area.Where at the six sampling stations have indicated an indication of contamination Nickel, that is at first station with value 24,21 mg/kg, at station four namely 27,51 mg/kg, quality standard for nickel 21 mg/kg. Parametes have exceeded the sediment quality standard.This shows that the KEM river in the Tinanggea area has been polluted by nickel heavy metal elements, but it is still classified as mildly polluted.
PENENTUAN JENIS LONGSORAN DI POROS JALAN INDUHA LATAMBAGA KOLAKA SULAWESI TENGGARA Muhammad Chaerul; Riza Rasmita; Erwin Anshari; Asri Arifin
Jurnal Lingkungan Almuslim Vol 2 No 2 (2023): Jurnal Lingkungan Almuslim
Publisher : Program Studi Magister Pengelolaan Sumberdaya Alam dan Lingkungan Universitas Almuslim

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51179/jla.v2i2.2169

Abstract

The research location is located in Induha Village, Latambaga District, Kolaka Regency, Southeast Sulawesi Province. This study aims to determine the factors controlling landslides, and the types of landslides in the study area. The method used in this research is direct observation in the form of data collection and data collection that is found directly in the field including geological observations, taking rock samples, measuring slopes, and taking documentation of 3 points of landslides. Factors that control the occurrence of landslides in the study area are influenced by controlling factors, namely very steep slopes with a slope of around ± 62o – 67o. Lithological conditions are metamorphic rocks that have undergone changes due to pressure and temperature.