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Sutikno, Sigit
Department Of Civil Engineering, Faculty Of Engineering, University Of Riau, Pekanbaru
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MODEL NUMERIK UNTUK SIMULASI ALTERNATIF PERLINDUNGAN PANTAI BERBASIS SISTEM INFORMASI GEOGRAFIS Sutikno, Sigit; Handoyo, Dwi Puspo; Fauzi, Manyuk; Murakami, Keisuke
Proceedings ACES (Annual Civil Engineering Seminar) Vol 1 (2015): Annual Civil Engineering Seminar (ACES)
Publisher : Proceedings ACES (Annual Civil Engineering Seminar)

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Abstract

Penelitian ini melakukan simulasi numerik alternatif perlindungan pantai dalam rangka untukmitigasi fenomena abrasi di Pantai Tanjung Motong Kabupaten Kepulauan Meranti ProvinsiRiau. Simulasi dilakukan dengan menggunakan perangkat lunak GENESIS (GENEralizedmodel for SImulating Shorline change). Data-data yang dipakai untuk pemodelan adalah datatopografi, bathimetri, angin dan jenis tanah. Peramalan gelombang dilakukan denganmenggunakan data angin setiap jam selama 12 tahun (2001 – 2012) untuk mendapatkan tinggidan periode gelombang rencana. Model dikalibrasi dengan menggunakan dua data historisgaris pantai yang diekstrak dari citra satelit, yaitu data Landsat-5 TM dan Landsat-8 OLI/TIRSmasing-masing untuk Tahun 1990 dan Tahun 2014. Kedua data garis pantai tersebut kemudiandianalisis berbasis sistem informasi geografis dengan menggunakan DSAS (Digital ShorelineAnalysis System) untuk mendapatkan laju perubahan garis pantai pada kurun waktu tersebut.Tujuan utama proses kalibrasi adalah untuk mendapatkan nilai koefisien K1 dan K2 dari modelnumerik sedemikian sehingga tingkat perubahan garis pantai memiliki korelasi yang baikdengan hasil analisis data satelit. Setelah terkalibrasi, maka model bisa digunakan untuksimulasi berbagai alternatif penanganan abrasi di daerah studi. Simulasi dilakukan denganmemprediksi perubahan garis pantai 10 tahun kedepan (2014-2024) dengan tiga skenario, yaitutanpa penanganan, menggunakan sea wall, dan menggunakan detach breakwater. Hasilpenelitian menunjukkan bahwa fenomena abrasi akan terus berlanjut jika tidak ada penanganansecara struktural. Skenario perlindungan pantai baik berupa seawall maupun detachbreakwater bisa mencegah terjadinya fenomena abrasi di Pantai Tanjung Motong.Kata kunci: GENESIS, perlindungan pantai, DSAS
MODEL HIDROLOGI UNTUK ANALISIS PENGARUH PERUBAHAN TATA GUNA LAHAN TERHADAP POTENSI KETERSEDIAN AIR DI DAERAH ALIRAN SUNGAI ( DAS ) SIAK Iqbal, Muhammad; Sutikno, Sigit; Sandhyavitri, Ari
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 2, No 1 (2015): Wisuda Februari Tahun 2015
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Land use change in Siak watershed (DAS Siak), Indonesia affected to cause fluctuation ofSiakwater river flows.In order to mange watershed strategies required a hydrological modelwhich to represent the hydrological cycle of the watershed. TheSoil Water Assessment Tools(SWAT) application was implemented to simulate scenarios forland use changes in the period of2002, 2007, and 2012 in Siak watershed. The research has yieldthe following resuts; the optimaldetermination coefficient (R2) of themodels were = 0.6 (>0.4), with Nash Suflicfe Efficiency(NSE) was 0.5 (0.35).The ground water reserves was calculated by comparing the ratio ofQmaximum and Qminimum during the period of 2002 to 2012. The ratio of ground waterreserves were presented as the following orderin 2002 was 10,725, in 2007 was 6,834andin 2012was respectively. The higher the Qmaxsimum / Qminimum ratiothe more critical ground waterreserved could be.Keywords: Land use change, SWAT model, ground water reserve.
Simulasi Gelombang Di Pantai Bengkalis Dengan Menggunakan CADMAS-SURF Defarian, Alvin; Sutikno, Sigit; Rinaldi, Rinaldi
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 4, No 2 (2017): Wisuda Oktober Tahun 2017
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Bengkalis Coast has been attacked by abrassion process and needs to be restored as before with mangrove restoration. The purpose of this study is to analyze the characteristics of sea waves and to analyze the condition of the coast for conducive of mangrove restoration. The method used is wave simulation by some alternative cases which is processed using CADMAS-SURF. The area of study was focused in Selat Baru Coast, northern part of Bengkalis Island. The results show that Selat Baru coast has a significant wave height of1,396 m and a period of 5,572 seconds. Protected coastal areas of the breakwater is a conducive condition for mangrove restoration.Keyword: wave simulation, bengkalis coast, CADMAS-SURF
Pemanfaatan Data ARR (Automatic Rainfall Recorder) Untuk Peningkatan Efektifitas Model Hujan Satelit (Studi Kasus DAS Indragiri) Hendra, Yuli; Fauzi, Manyuk; Sutikno, Sigit
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 2, No 2 (2015): Wisuda Oktober Tahun 2015
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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The availability of data on hydrological modeling always become a problem considering the incompleteness and the imprecision of data. As the development of technology, many models of hidrology using data acquired from the satellite have emerged. The accuracy and the model correlation was still unachieved from the previous research using satellite data. This problems was caused by the unstable weather conditions thus the process of recording and dowloading of the satellite data become less optimum. hence this research conducts the modeling of rainfall-runoff to improve the effectivity of satellite rainfall model by using the ground rainfall data, such as satellite rainfall data modification to improve the accuracy and the correlation of the model using IFAS program in Indragiri Watershed, Riau Province. The research conducted simulation, calibration for 2004 and verification for 2006. The result of the research showed that upon satellite rainfall modification for 2004 an increase in the effectiviness of the satellite rainfall model with increased accuracy and correlation on hydrological modeling with coefficient of correlation (R) value 0,811, volume error (VE) 0,099%, and coefficient of efficiency (CE) 0,520.Keywords: rainfall-runoff modeling, satellite rainfall, ground rainfall, satellite rainfall modification, IFAS.
Simulasi Pengaruh Submerged Breakwater Terhadap Karakteristik Gelombang Almanna, Fajri; Sutikno, Sigit; Rinaldi, Rinaldi
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 5 (2018): Edisi 1 Januari s/d Juni 2018
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Waves moved from sea to coast cause erosion on the shore. The purpose of this research is to simulate the effect of submerged breakwater on wave characteristics. The method used in this research was wave simulation with several variations of the wave period, the number of breakwater and the distance between two breakwaters. The simulation used was laboratory simulation and numerical method using CADMAS Surf 2D software. The results showed that the wave height decreased with the addition of breakwater and the addition of the distance between two breakwaters. Furthermore, the wave starts to change when Froude number (fr) = 2,8. Based on the simulation froude value is generated > 1 so it still less effective to preventing abrasion.Keywords : Submerged Breakwater, CADMAS Surf 2D, Characteristics of Wave
Kalibrasi Satu Dan Dua Parameter Pada Debit Banjir Di Sub-DAS Rokan Menggunakan Program HEC-HMS Permatasari, Yesy Dian; Handayani, Yohanna Lilis; Sutikno, Sigit
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 3, No 2 (2016): Wisuda Oktober Tahun 2016
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Floods occurred in Rokan Hulu are due to heavy rainfall with fairly long duration and high rainfall. The main difficulty encountered in the analysis of river flooding in Rokan Hulu is due to limited availability of data. An alternative to overcome these limitations is to use a hydrological model. In this research was used as a calibration adjustment process model parameter values to obtain a result of the same model or close observation. This study aims to look at the characteristics of the calibration using rainfall data and flow data hourly to the Transform Method Clark Unit hydrograph and Transform Method Snyder Unit Hydrograph, by using hydrologic Engineering Center Modeling System (HEC-HMS). The best result of the calibration is to use two parameters, the results of two-parameter calibration method Transform Method Clark unit hydrograph has the result Different Percent Percent Peak = 0.0 and Different Volume = -7.67 and methods Transform Method Snyder unit hydrograph have results Different Percent Peak = 0.0 and Different Percent Volume = -23.43. From the results of the calibration is the best method is Transform Method Clark Unit Hydrograph.Keywords: DAS, debit, HEC-HMS
Analisis Pengaruh Perubahan Penggunaan Lahan Terhadap Debit Banjir Di Sub DAS Kampar Kiri Firdaus, Firdaus; Sujatmoko, Bambang; Sutikno, Sigit
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 2, No 1 (2015): Wisuda Februari Tahun 2015
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Abstract

Land use change in the watershed is a factor contributing to the flooding because it affects the ability of the soil to absorb water infiltration. This phenomenon is studied in Kampar Kiri sub- watershed that is located in watershed outlet of Lipat Kain water level recorder. This study aims to analyze the effect of land use change on the flood discharge in Kampar Kiri sub watershed. The calculation of flood discharge uses HEC-HMS. Input data modelsare daily rainfall data, land use maps of 2005 and 2011 and soil type maps. The results showed that there were significant changes in land use on open land and dry land farming mixed bush at -87,648% and -70,035%. Land conversion also occurs in dry forest primary, secondary dry forest, scrub, plantations, secondary swamp forest, mixed gardens, vegetation regularly, as well as plantations. While dryland farming settlements and an increase of 153,894% and 94,114%. This condition increases the value of Curve Number (CN) composite average in 2005 and 2011 amounted to 80,462 and 83,722 and the value imperviouss composite average of 2.884% and 3.507%. Peak flood discharge for 25 and 50 year return periode in 2005 that were obtained from the HEC-HMS modeling are 924,4 m3/sand 1096,4 m3/s respectively, and in 2011 are 932,8 m3/s and 1105 m3/s . Increasing of flood discharge because of lande use change for 25 year return periode are 8,4 m3/s (0,909%) andfor 50 year return periode are 8,6 m3/s (0,784%). Correction difference discharge (DE) between HEC-HMS modeling measurement data with 25 and 50 year return periode in 2005 are 1,153% and 5,468%, whereas in 2011 are 2,072% and 6,296% respectively.Keywords: land use, peak discharge, HEC-HMS, correction difference discharge
Penggunaan Model Regresi Untuk Prediksi Muka Air Tanah Gambut (Studi Kasus : Ogan Komering Ilir) Rifandri, Danus; Sutikno, Sigit; Handayani, Yohanna Lilis
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 7 (2020): Edisi 2 Juli s/d Desember 2020
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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According to the peatland fire risk index, peat soils with a water table depth of more than 40 cm are at the very risk of land fires. Groundwater Level (GWL) plays an important role in determining the risk of fire. So that if changes in groundwater level in the future can be predicted, the risk of fire can also be minimized. The purpose of this study was to create a hydrological model to predict the depth of groundwater level (GWL) as a parameter of the potential for the fire to occur in peatlands using analysis. The data used for modeling are rainfall data and groundwater level data that have been recorded historically in peatlands with the installation of the SESAME tool at the study site. Regression analysis was carried out using four data length scenarios, namely 3 months, 6 months, 9 months, and 12 months to determine the periods that could represent hydrological conditions in the field. The results of the study resulted in a regression formulation for the prediction of the data length of 3 months, namely: Wn + 1 = Wn + 1,049 × R - (-0.0093 × Wn) + 0.0153, data length 6 months: Wn + 1 = Wn + 0.577 × R - (-0.0272 × Wn) + 0.0233, 9 months data length: Wn + 1 = Wn + 0.612 × R - (-0.0287 × Wn) + 0.0237, 12 months data length: Wn + 1 = Wn + 0.666×R - (-0.0248 × Wn) + 0.0229. Key words: regression models, groundwater level, peatland, peatlands fire, correlation value
Analisis Kecepatan Aliran Dan Muka Air Tanah Gambut Dengan Menggunakan Groundwater Velocimeter Irfan, Riza; Rinaldi, Rinaldi; Sutikno, Sigit
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 8 (2021): Edisi 1 Januari s/d Juni 2021
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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The objective of this research was to do an analyze velocity of the groundwater flow and surface of the groundwater using a Groundwater Velocimeter on peatlands that has been carried out by a wetting program trough the construction of a canal block for peatland hydrological restoration. Hydrological restoration of peatland with the construction of canal blocks is a common way to rewetting peatland, which is done at Lukun Village, Tebing Tinggi Timur District, Kepulauan Meranti District. The analysis of this research was using Groundwater Velocimeter, it is used to measure velocity and direction of the groundwater flow carried out on monitoring well built around canal blocks.The method that is used of this research was Image J and Visual. The result showed that the comparison of velocity of the groundwater flow using Image J method has a little different from the Visual method.The highest velocity of the groundwater occured in deep well 2 transect 1, based on the Image J method which obtained a velocity of 0.432 m/day, and for the Visual method which obtained a velocity 0.587 m/day. Key words: Canal Blocks, Groundwater Velocimeter, Image J, Peatlands
Analisis Kecepatan Dan Arah Aliran Air Tanah Lahan Gambut Desa Dompas Kebupaten Bengkalis (Studi Kasus: Desa Dompas, Kabupaten Bengkalis) putri, Novalin; Sutikno, Sigit; Rinaldi, Rinaldi
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 7 (2020): Edisi 1 Januari s/d Juni 2020
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Abstract

Peatland is a type of land that is flammable. One of the causes is land dryness that is caused by the formation of many canal networks. To reduce the possibility of damage to land, a rewetting effort is made. Rewetting is done by building a canal blocker. The construction of canal blocking is an effort to increase the capacity of the water in peatlands, and also to be able to prevent the decrease of water level in peatlands. This study analyzes the velocity and direction of groundwater flow before and after the canal blocking which is measured with the Groundwater Velocimeter instrument on each monitoring well. Based on the groundwater flow analysis which uses the Groundwater Velocimeter method in Dompas Village, Bengkalis Regency, it can be concluded that the highest velocity of the groundwater flow before the canal blocking occured in SP1-2, based on the Image J method which obtained a velocity of 0.09 m/day, and for the visual method, the highest velocity SP 2-4 was 0.28 m/day. While the highest velocity of the groundwater flow after the canal blocking occured in SP 1-4, based on the Image J method which obtained a velocity of 0.107 m/day, and for the visual method, the highest velocity that obtained at SP 2-4 was 0.43 m/day. Keywords: groundwater velocimeter, canal block, peatland
Co-Authors ', Fitriani Achmad Noerkhaerin Putra Ade Mustika Martin Adri Patria Ganda Ahmad Ade Kurniawan Ahmad Fauzi Ahmad Muhammad Ahmad Muhammad Ahmad Nawawi Ahmad Nurhuda Akhbar Putra Alkhair, Hafidz Almanna, Fajri Almasdi Syahza Aminuyati Andi Darmawan Andri Sulistyani Andy Hendri, MT, Andy Ari Sandhyavitri Ariani Kurnia, Ariani Arif Hidayatullah Arifudin Arifudin Aris Fadillah Asda Usradinda Askary, Muhammad Bambang Sujatmoko Besri Nasrul Budisusanti, SPM Daly Riandi Defarian, Alvin Dian Kharisma Dewi Diego Ariesta Lintano Dina Aulia Fitri Dwi Puspo Handoyo Dwi Puspo Handoyo, Dwi Puspo Dzaki Naufal Edi Kurniawan Eka Saputra Fauzi, Manyuk Febiola, Ollga Ferry Fatnanta Fian Syauqi Firdaus Firdaus Fitri Landari Fitriani Fitriani Frans Alfredo Hutapea Galuh Rio Harto, Galuh Rio Genta Putra Adietama Gina Khusnul Khotimah Gunandar, Arifa Gunawan, Irvan Gustin, Silvie Welya Hadthya, Reinhart ' Hafiz Alfarisyi Hapsoh Hardi Daim Haris Gunawan Herli Fajri Hidayat, Muhammad Fikky Hilda Febrina Hugo Pratama Idris, Marlaily Idwar, Idwar Ilham Ziaulhaq Ilvi Rahmi Amalia Indradi Wijatmiko Indratmo Soekarno Insan Ikhsan Irfan, Riza Jailani Jailani Jeffi Annisa Junius Nainggolan Karunia, Ariani Kei Mizuno Keisuke Murakami Keisuke Murakami Khairijon Khairijon Koichi Yamamoto Koichi Yamamoto Koichi Yamamoto Kusairi, Muhammad Lilianti Lilianti Lita Darmayanti Luh Putu Ratna Sundari Lyona, Vinka M Fadhil Nur Mairiza Mairiza Mandataris Mardhotillah, Mutia Melani Humairoh Merian, Rena Dian Michiko Hosobuchi Milka Novita Manalu Mitri Irianti Mohtar Anwar Monita Olivia Mubarak Mubarak Mubarak Mubarak Mubarak Mudjiatko Mudjiatko Muhamad Yusa Muhammad Agung Pribadi Muhammad Fikky Hidayat Muhammad Kusairi Muhammad Nur Fajri Muhammad Randy Alfath Muhammad Yusa Muhammad Yusa Muhammad Yusa Mutia Ananda Perdana Neneng Sari Nensi Niko Erdi Putra Nur Hidayati Nurul Qomar Nurul Qomar Okta Karneli, Okta Osamu Kozan Panji Tegar Aji Pratama, Deni Pratama, Fernando putri, Novalin Putri, Tasha Ramadhery Radith Mahatma Rafit Mahendra Rahma Setya Linggasari, Rahma Setya Rahmatul Irfan Rahmayati Aprillia Putri Randa Kurniawan Refri Fadillah Rena Dian Merian Reski Daini Ramawilis Reza Ahmad Fadhli Reza Ahmad Fadhli, Reza Ahmad Rifandri, Danus Rifardi Rinaldi Rinaldi Rinaldi Rinaldi Rinaldi Rinaldi Rizki Rianda Putra Rizki Sahputra Romie Jhonnerie Roza Wahyuni S Siswanto Saldanela Saldanela Seno Andri Setia Dewi Nurza Sinta Afdeni Siswanto Siswanto Swary Aristi Syahrul Ramadhani Syamsul Arifin Syofiatul Safitri Syuhaya Wanisakdiah Teuku Ichsan Nurrady Theo Hasido Silalahi Tina Andriani Wahyu Frisnel Widya Ayu Safitri Wikrine Teriyoko Wiliya Wiliya Yearni Yudika Friniati Putri Yesy Dian Permatasari, Yesy Dian Yogi Guntara Yohanna Lilis H Yosafat Sijabat Yuli Hendra Yundari, Yundari Zuli Laili Isnaini Zulkarnain Yusuf