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All Journal Jurnal Teknik Industri Terintegrasi (JUTIN) Jurnal Sains dan Teknologi Jurnal Ilmiah Geomatika Jurnal Teknik Sipil Geoid - Journal of Geodesy and Geomatics
Safitri, Dika Ayu
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Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Mechanical Engineering

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Perbandingan Metode Delineasi Garis Pantai Pada Citra Landsat 8 Nugraini, Lysa Dora Ayu; Ratri, Winagari; Yudinugroho, Maulana; Safitri, Dika Ayu
Jurnal Ilmiah Geomatika Vol 3, No 1 (2023): April Jurnal Ilmiah Geomatika
Publisher : Program Studi Teknik Geomatika Fakultas Teknologi Mineral Universitas Pembangunan Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (596.608 KB) | DOI: 10.31315/imagi.v3i1.9538

Abstract

Identifikasi garis pantai dapat dilakukan dengan beberapa cara, diantaranya dengan memanfaatkan citra satelit. Melalui proses interpretasi visual dari citra tersebut dan mengombinasikannya dengan teknik digitasi on screen, delineasi garis pantai dapat dilakukan. Penggunaan citra satelit Landsat 8 untuk pekerjaan delineasi garis pantai memiliki tantangan tersendiri akibat resolusi spasial yang dimilikinya, meskipun kanal spektral yang dapat digunakan cukup untuk mengamati dinamika pesisir. Gradasi warna yang sangat halus pada area yang berbatasan dengan laut menyebabkan pada beberapa kondisi, batas antara darat dan laut tidak dapat secara tegas didefinisikan dan mempersulit operator pengolah data dalam melakukan interpretasi visual dan digitasi on screen. Penelitian ini melakukan ujicoba terhadap metode NDWI, Edge Detection, dan kombinasi band SWIR-NIR-Red (Band 7-5-4) untuk mengetahui metode mana yang paling baik, yang mampu membedakan batas antara darat dan laut secara jelas dan tegas sehingga meningkatkan kualitas hasil delineasi garis pantai oleh operator. Penelitian ini menghasilkan kesimpulan bahwa pemanfaatan band SWIR-NIR-Red (7-5-4) pada citra Landsat 8 lebih baik dibandingkan metode NDWI dan Edge Detection atau deteksi tepi. Selain memberikan perbedaan warna yang jelas antara daratan dan badan air, kombinasi Band 7-5-4 ini mampu menetrasi awan tipis pada nilai pixel 6816 hingga 6896 yang berpotensi mengganggu proses interpretasi visual jika objek awan tersebut berada tepat pada lokasi garis pantai.
ANALISIS KEBUTUHAN AIR IRIGASI DI DAERAH KEPUNTEN – TULANGAN – SIDOARJO Dewanti, Fiarestu Wahyu; Saves, Faradlillah; Safitri, Dika Ayu
Jurnal Teknik Sipil Vol 4, No 1 (2025): Edisi Juni
Publisher : Universitas Islam Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30743/jtsip.v4i1.11552

Abstract

Desa Kepunten di Kecamatan Tulangan, Sidoarjo merupakan daerah pertanian yang mengandalkan sitem irigasi dari saluan sekunder Sungai Kedunguling. Permasalahan utama yang dihadapi adalah penurunan ketersediaan air irigasi saat musim kemarau. Irigasi adalah komponen penting dalam keberlanjutakn produksi pertanian, dimana pasokan air irigasi mencakup air yang dibutuhkan tanaman pada proses evapotranspirasi serta mengganti kehilangan air akibat perkolasi dan penguapan. Penelitian ini bertujuan menganalinis kebutuhan air irigasi di wilayah Desa Kepunten berdasarkan jenis tanaman yang dibudidayakan, dan data klimatologi yang tersedia. Hasil studi ini memperlihatkan bahwa kebutuhan air irigasi cukup tinggi, terutama pada lahan yang ditanami tebu. Keterbatasan pasokan air selama musim kemarau menjadi tantangan serius yang dapat berpotensi mengganggu produksi pertanian apabila tidak dilakukna pengelolaan air secara efisien.
Estimation of Total Carbon Stock and Mangrove Health Index in Sidoarjo using Machine Learning Spectral Analysis Method of Sentinel-2A Satellite Imagery Alina, Aldea Noor; Yahya, Fahrul; Safitri, Dika Ayu; Sanjaya, Hartanto; Rahmawaty, Mitha Asyita
GEOID Vol. 20 No. 1 (2025)
Publisher : Departemen Teknik Geomatika ITS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/geoid.v20i1.2553

Abstract

The mangrove ecosystem has the potential ability to absorb carbon dioxide better than other forest ecosystems. It is noted that mangrove forests have an important role in reducing the concentration of carbon dioxide in the air. Changes in land cover conditions, massive development of urban areas, and the large need for housing in the Sidoarjo are the main causes of the decline in the area of mangrove forests which have been converted into fish ponds and residential areas. This triggers a decline in the quality of mangroves and will directly impact on reducing the capacity to store carbon reserves in Sidoarjo Regency. Biomass estimation calculations were carried out using the NDVI algorithm from remote sensing results using Sentinel Imagery – 2A. Apart from that, the mangrove health index was also calculated using the GCI (Green Chlorophyll Index), SIPI (Structure Insensitive Pigment Index), NBR (Normalized Burn Ratio), and ARVI (Atmospherically Resistant Vegetation Index). Based on the calculation results, the value obtained for the coastal area of Sidoarjo Regency the TCS or total carbon stock ranged from 1.1679468503445e-09 to 84.3344 TonC/hectares. Meanwhile, the results of the mangrove health index calculation show that the condition of mangroves in the coastal area of Sidoarjo Regency has a sufficient mangrove health index, with the highest area being 637.77 hectares, while only 10.80 hectares are available has a good health index. The results of this study are expected to be one of the bases for decision-making and policies in the rehabilitation and conservation of mangrove in Sidoarjo.
Analisis Simpang Tiga Bersinyal Ruas Jalan Raya Kletek, Kecamatan Taman, Kabupaten Sidoarjo, Menggunakan Metode MKJI 1997 Ramadhan, Dennys Rafi; Hartatik, Nurani; Safitri, Dika Ayu
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 8 No. 4 (2025): October
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v8i4.51273

Abstract

The increase in the number of vehicles due to population growth, if not accompanied by improvements in road capacity, can lead to traffic problems, particularly at the signalized three-leg intersection on Jalan Raya Kletek, Sidoarjo City. This study aims to analyze the traffic volume using the Indonesian Highway Capacity Manual (MKJI, 1997) method. Data were obtained through field surveys that included traffic volume and the geometric conditions of the intersection. The analysis was conducted to determine the intersection capacity, degree of saturation, queue length, stop rate, and delay. The results show that the highest traffic volume occurred on Tuesday between 17.00–18.00 WIB, with 1,130 pcu/hour from the Mojokerto–Sidoarjo direction, 1,069 pcu/hour from the Sidoarjo–Mojokerto direction, and 454 pcu/hour from Jalan Sawunggaling. These data were used as the basis for calculating the degree of saturation according to the MKJI 1997 guidelines.
Perbandingan Metode Delineasi Garis Pantai Pada Citra Landsat 8 Nugraini, Lysa Dora Ayu; Ratri, Winagari; Yudinugroho, Maulana; Safitri, Dika Ayu
Jurnal Ilmiah Geomatika Vol. 3 No. 1 (2023): April Jurnal Ilmiah Geomatika
Publisher : Program Studi Teknik Geomatika Fakultas Teknologi Mineral Universitas Pembangunan Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/imagi.v3i1.9538

Abstract

Identifikasi garis pantai dapat dilakukan dengan beberapa cara, diantaranya dengan memanfaatkan citra satelit. Melalui proses interpretasi visual dari citra tersebut dan mengombinasikannya dengan teknik digitasi on screen, delineasi garis pantai dapat dilakukan. Penggunaan citra satelit Landsat 8 untuk pekerjaan delineasi garis pantai memiliki tantangan tersendiri akibat resolusi spasial yang dimilikinya, meskipun kanal spektral yang dapat digunakan cukup untuk mengamati dinamika pesisir. Gradasi warna yang sangat halus pada area yang berbatasan dengan laut menyebabkan pada beberapa kondisi, batas antara darat dan laut tidak dapat secara tegas didefinisikan dan mempersulit operator pengolah data dalam melakukan interpretasi visual dan digitasi on screen. Penelitian ini melakukan ujicoba terhadap metode NDWI, Edge Detection, dan kombinasi band SWIR-NIR-Red (Band 7-5-4) untuk mengetahui metode mana yang paling baik, yang mampu membedakan batas antara darat dan laut secara jelas dan tegas sehingga meningkatkan kualitas hasil delineasi garis pantai oleh operator. Penelitian ini menghasilkan kesimpulan bahwa pemanfaatan band SWIR-NIR-Red (7-5-4) pada citra Landsat 8 lebih baik dibandingkan metode NDWI dan Edge Detection atau deteksi tepi. Selain memberikan perbedaan warna yang jelas antara daratan dan badan air, kombinasi Band 7-5-4 ini mampu menetrasi awan tipis pada nilai pixel 6816 hingga 6896 yang berpotensi mengganggu proses interpretasi visual jika objek awan tersebut berada tepat pada lokasi garis pantai.
Analisis Risiko Proses Fabrikasi Tangki Penyimpanan dengan Menggunakan Metode FMEA (Failure Mode and Effect Analysis) (Studi Kasus PT. Sarana Remaja Mandiri) Aprilia, Anggraini; Triana, Masca Indra; Safitri, Dika Ayu
Jurnal Sains dan Teknologi (JSIT) Vol. 5 No. 3 (2025): September-Desember
Publisher : CV. Information Technology Training Center - Indonesia (ITTC)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47233/jsit.v5i3.3691

Abstract

The fabrication process of storage tanks is one of the crucial stages in the manufacturing industry, particularly to ensure the quality, strength, and safety of tanks used for storing raw materials or final products. However, potential failures are often found that can reduce production quality. This study aims to identify the causes of failure and analyze their risk levels I n the storage tank fabrication process at PT. Sarana Remaja Mandiri using the Failure Mode and Effect Analysis (FMEA)method. Through the application of FMEA, risk assessment was conducted based on three main parameters severity, occurrence, and detection which were then used to calculate the Risk Priority Number (RPN) to deterine improvement priorities. The results of the study show that there are 19 failure factors occurring in the marking, cutting, bevel, and rolling stages, each with different levels of risk. The risk analysis revealed that the RPN values across all fabrication stages range from 27 to 105. The highest RPN value of 105 was found in factor B5 during the cutting process, which indicates the highest level of risk and should be prioritized for corrective actions, followed by material cutting errors due to incorrect plate identification. This study is expected to provide insight into the importance of developing a more comprehensive risk analysis approach as an effort to improve the quality of production processes and strengthen risk control in the manufacturing industry.
Analisis Kapasitas Tampung Saluran Drainase Ekisting terhadap Debit Banjir Rencana (Studi Kasus: Desa Medaeng, Kecamatan Waru, Kabupaten Sidoarjo) Kurniawan, Anas; Saves, Faradlillah; Safitri, Dika Ayu
Jurnal Sains dan Teknologi (JSIT) Vol. 5 No. 3 (2025): September-Desember
Publisher : CV. Information Technology Training Center - Indonesia (ITTC)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47233/jsit.v5i3.3747

Abstract

Flooding problem in Medaeng Village, Waru District, Sidoarjo Regency, is a crucial issue caused by changes in land use, high rainfall, and suboptimal drainage channel conditions and lack of maintenance. Initial studies indicate that drainage channels in Medaeng Village are unable to accommodate large volumes of water, exacerbated by high sediment and dense settlements that reduce infiltration areas. This study aims to analyze the drainage channel capacity based on the design flood discharge. The research method involves primary and secondary data. Analysis of maximum and average rainfall uses the Thiessen Polygon method, frequency distribution analysis uses the Log Pearson Type III method, and the Smirnov-Kolmogorov goodness-of-fit test. Rainfall intensity is calculated using the Mononobe method, design flood discharge calculation uses the rational method, and storage capacity uses the rational method. The results of the analysis show that Qhidrologi is 0.689 m3/s (2 years), 0.855 m3/s (5 years) and 0.955 m3/s (10 years). Meanwhile, the existing Qhydrology is 0.0693 m3/s (channel 1), 0.0588 m3/s (channel 2), 0.2163 m3/s (channel 3), 0.2315 m3/s (channel 4), 0.2491 m3/s (channel 5). The comparison between (Qhydrology>Qhydrology) shows that all channels 1 to 5 have a small capacity and have the potential to cause flood risk. The results of this analysis can be the main basis for technical planning to increase the capacity of the Medaeng Village channels and a reference for further studies on more comprehensive flood mitigation.
Evaluasi dan Perencanaan Ulang Kapasitas Saluran Drainase Perumahan Tambak Rejo Indah Waru Firmansyah, Fero Diky; Saves, Faradlillah; Safitri, Dika Ayu
Jurnal Sains dan Teknologi (JSIT) Vol. 5 No. 3 (2025): September-Desember
Publisher : CV. Information Technology Training Center - Indonesia (ITTC)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47233/jsit.v5i3.3778

Abstract

The drainage system in Tambak Rejo Indah Housing, Waru, Sidoarjo, is currently unable to accommodate rainfall runoff effectively, resulting in frequent ponding that disrupts residents’ activities. This study aims to analyze the capacity of the existing tertiary drains across several segments up to the secondary drain and redesign the channel dimensions to meet the required design discharge. Hydrological analysis was carried out using the Log Pearson Type III method to determine the design rainfall, and the Mononobe formula was applied to calculate rainfall intensity. The design discharge was established using a 10-year return period in accordance with the Ministry of Public Works Regulation No. 12/PRT/M/2014. The capacity of the existing drains was compared with the design discharge to identify channels that are insufficient to convey the required flow. New channel dimensions were then determined using a trial-and-error approach until sizes capable of conveying the design discharge were obtained. The analysis shows that several tertiary drains and their respective segments—Tertiary 1 (segments 2–3), Tertiary 2 (segments 4–5), Tertiary 4 (segments 9–10), Tertiary 5 (segments 12–13), Tertiary 6 (segments 16–17 to 26–27), and Tertiary Nilam Barat Main Road (segments 28–31)—are unable to convey the design discharge of 0.80–1.10 m³/s, with existing capacities of only 0.35–0.52 m³/s. Through the trial-and-error process, channel dimensions capable of accommodating the 0.80 × 0.80 m design discharge were obtained, including redesigned dimensions of 0.50 m × 0.50 m for Channel 1 (segment 2–3). This redesign is expected to improve flow efficiency and reduce the potential for ponding within the residential area.
Co-Authors Alina, Aldea Noor Aprilia, Anggraini Dewanti, Fiarestu Wahyu Firmansyah, Fero Diky Hartatik, Nurani Kurniawan, Anas Lysa Dora Ayu Nugraini Rahmawaty, Mitha Asyita Ramadhan, Dennys Rafi Ratri, Winagari Sanjaya, Hartanto Saves, Faradlillah Yahya, Fahrul Yudinugroho, Maulana