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All Journal MEDIA KOMUNIKASI TEKNIK SIPIL Jurnal Ilmu Dasar BERKALA SAINSTEK Jurnal Teknik Sipil Jurnal Teknik Sipil dan Perencanaan Jurnal Teknik Pengairan: Journal of Water Resources Engineering Rekayasa Sipil Semesta Teknika Jurnal Rekayasa Sipil dan Lingkungan Teras Jurnal U Karst Jurnal Rekayasa Sipil Jurnal Riset Rekayasa Sipil Jurnal Teknika Journal of the Civil Engineering Forum Jurnal Teknik Sumber Daya Air PEKAT : Jurnal Pengabdian Kepada Masyarakat Geosfera Indonesia
Gusfan Halik
Master Program In Civil Engineering, Department Of Civil Engineering, Faculty Of Engineering, University Of Jember, Jl. Kalimantan No. 37 Jember, 68121, Indonesia
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Mathematics Physics Public Health Social Sciences Transportation Other

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Journal : U Karst

 1 
Reduce Flood Losses Of Kali Tanggul Using Spatial Based Technical Approaches Prabowo Prabowo; Gusfan Halik; Entin Hidayah; Taqiudin Haq
U Karst Vol 5, No 2 (2021): NOVEMBER
Publisher : Kadiri University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (3462.933 KB) | DOI: 10.30737/ukarst.v5i2.1678

Abstract

Flood disasters frequently occurred in Jember Regency, East Java. It is usually caused by the overflow of the Tanggul River in the rainy season, especially in the downstream area. Flood control could be done by building dams, embankments, shortcuts, and other technical flood protections. Meanwhile, mitigation efforts such as developing thematic maps of flood inundation need to be done to minimize losses caused by the flood. This study aims to design a flood mitigation strategy technically. The flood control structure was proposed by designing a shortcut in Kali Tanggul. Its performance was analyzed to reduce flood inundation in the Tanggul watershed. The flood inundation modeling was carried out using spatial analysis using ArcGIS 10.1 and hydraulic analysis using HECRAS 5.0.3. Flood inundation results were compared with the Tanggul watershed flood map developed by UPT PUSDA Lumajang. Based on modeling results, flood control using shortcuts is considered an effective strategy for flood mitigation. It was indicated by the reduction of flood inundation distributions, flood inundation height, and flood-affected areas. The results show that the flood height decrease 0.47 up to 0.56 m
Performance Assessment of Bondoyudo Watershed Management Hery Budi Sulaksono; Gusfan Halik; Retno Utami Agung Wiyono
U Karst Vol 5, No 1 (2021): APRIL
Publisher : Kadiri University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (3148.738 KB) | DOI: 10.30737/ukarst.v5i1.1429

Abstract

Continues decrease of vegetation will result in a high erosion and sedimentation rate in the Bondoyudo watershed. This will result in reduced water retention capacity and accelerate land degradation. This study aims to monitor and evaluate the performance conditions of the Bondoyudo watershed according to the assessment parameters of the weighting criteria, which include land criteria, water management criteria, socio-economic criteria, water construction investment criteria, and space utilization criteria. Information about the upper part, middle part, and lower part of Bondoyudo River is collected from primary data, secondary data, and analysis results. The score of the watershed evaluation's carrying capacity is obtained from the results of the analysis from each weighting and scoring value of each criterion and sub-criteria. Watershed performance classifications are obtained by adding up the scores of each criterion. The watershed classification's total score is 103.25, which is classified as a medium recovery level category. It necessary to manage and restore the carrying capacity of the Bondoyudo watershed in supporting the development of water resources so that there is no decline in the performance of the Bondoyudowathersed. Recommended activity plans are water resources conservation, and utilization integrated control and involving stakeholders in watershed management
Accuracy of DSM By Using Unmanned Aerial Vehicles on the Downstream of Welang Riverbank, District of Pasuruan, Jawa Timur Dian Wahyu Khaulan; Entin Hidayah; Gusfan Halik
U Karst Vol 5, No 1 (2021): APRIL
Publisher : Kadiri University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (3813.891 KB) | DOI: 10.30737/ukarst.v5i1.1153

Abstract

The Digital Surface Model (DSM) is commonly used in studies on flood map modeling. The lack of accurate, high-resolution topography data has hindered flood modeling. The use of the Unmanned Aerial Vehicle (UAV) can help data acquisition with sufficient accuracy. This research aims to provide high-resolution DSM-generated maps by Ground Control Points (GCPs) settings. Improvement of the model's accuracy was pursued by distributing 20 GCPs along the edges of the study area. Agrisoft software was used to generate the DSM. The generated DSM can be used for various planning purposes. The model's accuracy is measured in Root Mean Square Error (RMSE) based on the generated DSM. The RMSE values are 0.488 m for x-coordinates and y-coordinates (horizontal direction) and 0.161 m for z-coordinates (vertical direction).
Assessment and Optimization of Water Division Pattern in Sampean Baru Irrigation Area Joice Prasasty September; Entin Hidayah; Gusfan Halik
U Karst Vol 5, No 1 (2021): APRIL
Publisher : Kadiri University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (3657.375 KB) | DOI: 10.30737/ukarst.v5i1.1366

Abstract

Recently, agricultural production in the Sampean Baru Irrigation area has not shown optimal cropping production. The average percentage of planted areas in the first (November-February),second (March-June), and third (July-October) planting seasons for the upstream area was 93.67%; 98.02%, and 76.76%, and for the downstream area was 83.54%; 80.81%; and 89.36%. This research aims to optimize the water distribution system based on the calculation of water requirements for plants and the availability of channels to obtain the maximum planting area and amount of agricultural production. This optimization method uses a Dynamic Program with three scenarios. This calculation is based on effective rainfall, crop water requirements, and water discharge availability. Percentage of planted area obtained from the calculation in the dry year for the first, second, and third planting seasons respectively were 100%, 100%, and 90.36%. Based on the existing condition, potential profit obtained for a year is Rp. 170.08 billion. After optimization using Dynamic Program, potential profit in the dry year, normal year, and wet year are IDR 213.52 billion, IDR 215.92 billion, and IDR 228.50 billion, respectively.
Accuracy of DSM By Using Unmanned Aerial Vehicles on the Downstream of Welang Riverbank, District of Pasuruan, Jawa Timur Dian Wahyu Khaulan; Entin Hidayah; Gusfan Halik
U Karst Vol. 5 No. 1 (2021): APRIL
Publisher : Kadiri University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30737/ukarst.v5i1.1153

Abstract

The Digital Surface Model (DSM) is commonly used in studies on flood map modeling. The lack of accurate, high-resolution topography data has hindered flood modeling. The use of the Unmanned Aerial Vehicle (UAV) can help data acquisition with sufficient accuracy. This research aims to provide high-resolution DSM-generated maps by Ground Control Points (GCPs) settings. Improvement of the model's accuracy was pursued by distributing 20 GCPs along the edges of the study area. Agrisoft software was used to generate the DSM. The generated DSM can be used for various planning purposes. The model's accuracy is measured in Root Mean Square Error (RMSE) based on the generated DSM. The RMSE values are 0.488 m for x-coordinates and y-coordinates (horizontal direction) and 0.161 m for z-coordinates (vertical direction).
Assessment and Optimization of Water Division Pattern in Sampean Baru Irrigation Area Joice Prasasty September; Entin Hidayah; Gusfan Halik
U Karst Vol. 5 No. 1 (2021): APRIL
Publisher : Kadiri University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30737/ukarst.v5i1.1366

Abstract

Recently, agricultural production in the Sampean Baru Irrigation area has not shown optimal cropping production. The average percentage of planted areas in the first (November-February),second (March-June), and third (July-October) planting seasons for the upstream area was 93.67%; 98.02%, and 76.76%, and for the downstream area was 83.54%; 80.81%; and 89.36%. This research aims to optimize the water distribution system based on the calculation of water requirements for plants and the availability of channels to obtain the maximum planting area and amount of agricultural production. This optimization method uses a Dynamic Program with three scenarios. This calculation is based on effective rainfall, crop water requirements, and water discharge availability. Percentage of planted area obtained from the calculation in the dry year for the first, second, and third planting seasons respectively were 100%, 100%, and 90.36%. Based on the existing condition, potential profit obtained for a year is Rp. 170.08 billion. After optimization using Dynamic Program, potential profit in the dry year, normal year, and wet year are IDR 213.52 billion, IDR 215.92 billion, and IDR 228.50 billion, respectively.
Performance Assessment of Bondoyudo Watershed Management Hery Budi Sulaksono; Gusfan Halik; Retno Utami Agung Wiyono
U Karst Vol. 5 No. 1 (2021): APRIL
Publisher : Kadiri University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30737/ukarst.v5i1.1429

Abstract

Continues decrease of vegetation will result in a high erosion and sedimentation rate in the Bondoyudo watershed. This will result in reduced water retention capacity and accelerate land degradation. This study aims to monitor and evaluate the performance conditions of the Bondoyudo watershed according to the assessment parameters of the weighting criteria, which include land criteria, water management criteria, socio-economic criteria, water construction investment criteria, and space utilization criteria. Information about the upper part, middle part, and lower part of Bondoyudo River is collected from primary data, secondary data, and analysis results. The score of the watershed evaluation's carrying capacity is obtained from the results of the analysis from each weighting and scoring value of each criterion and sub-criteria. Watershed performance classifications are obtained by adding up the scores of each criterion. The watershed classification's total score is 103.25, which is classified as a medium recovery level category. It necessary to manage and restore the carrying capacity of the Bondoyudo watershed in supporting the development of water resources so that there is no decline in the performance of the Bondoyudowathersed. Recommended activity plans are water resources conservation, and utilization integrated control and involving stakeholders in watershed management
Reduce Flood Losses Of Kali Tanggul Using Spatial Based Technical Approaches Prabowo Prabowo; Gusfan Halik; Entin Hidayah; Taqiudin Haq
U Karst Vol. 5 No. 2 (2021): NOVEMBER
Publisher : Kadiri University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30737/ukarst.v5i2.1678

Abstract

Flood disasters frequently occurred in Jember Regency, East Java. It is usually caused by the overflow of the Tanggul River in the rainy season, especially in the downstream area. Flood control could be done by building dams, embankments, shortcuts, and other technical flood protections. Meanwhile, mitigation efforts such as developing thematic maps of flood inundation need to be done to minimize losses caused by the flood. This study aims to design a flood mitigation strategy technically. The flood control structure was proposed by designing a shortcut in Kali Tanggul. Its performance was analyzed to reduce flood inundation in the Tanggul watershed. The flood inundation modeling was carried out using spatial analysis using ArcGIS 10.1 and hydraulic analysis using HECRAS 5.0.3. Flood inundation results were compared with the Tanggul watershed flood map developed by UPT PUSDA Lumajang. Based on modeling results, flood control using shortcuts is considered an effective strategy for flood mitigation. It was indicated by the reduction of flood inundation distributions, flood inundation height, and flood-affected areas. The results show that the flood height decrease 0.47 up to 0.56 m
Co-Authors Adden Ramadhan Syarif Ardi Agil Priyanto Ainunisa, Diah Angel Novita Tri lara Atica Cahyani, Hajar Crisia Devi Ratna Handini Dewi, Pratita Dian Wahyu Khaulan Dyah Ayu Intanasya Putri Entin Hidayah Faillasuf, Vide Mirza Faradella, Maulida Febriyanto, Andreyan Hajar Crisia Cahyani Hery Budi Sulaksono Joice Prasasty September Kusworowati, Eri Malini, Citra Narulita, Norma Aulia Nurul Priyantari Prabowo Prabowo Pratama, Munawir Pratita Dewi Prihantono, Gunawan Eko Putra, Victorius Setiaji Putri, Dyah Ayu Intanasya Radiah Ulil Absari Ratih, Masita Retnaningtias, Sefti Aryani Retno Utami Agung Wiyono Rizky Akbar Irhamullah Tunggal Saiful Bukhori Saifurridzal, Saifurridzal Silmi Kaaffah, Abdillah Tirta Sri Wahyuni Supeno Supeno Taqiudin Haq Tedy Pranadiarso Usaamah Hadi Windy Bana Alam Perkasa Wiwik Yunarni Wiwik Yunarni Widiarti Wulandari, Wahyu Sri Yuli Mariati Yunarni, Wiwik