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All Journal MEDIA KOMUNIKASI TEKNIK SIPIL Jurnal Teknik Sipil International Conference on Engineering and Technology Development (ICETD) Jurnal Pengabdian Kepada Masyarakat Sakai Sambayan Jurnal Rekayasa Journal of Degraded and Mining Lands Management Jurnal Rekayasa Sipil dan Desain Jurnal Teknik Sipil Briliant: Jurnal Riset dan Konseptual Teras Jurnal Civil Engineering Dimension BENTANG : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil SIKLUS: Jurnal Teknik Sipil Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Journal of Engineering and Scientific Research (JESR) Publikasi Riset Orientasi Teknik Sipil (Proteksi) JURNAL HUTAN TROPIS JUSTICIA SAINS: Jurnal Ilmu Hukum Jurnal Sipil Terapan Jurnal Meteorologi dan Geofisika Rekayasa : Jurnal Ilmiah Fakultas Teknik Universitas Lampung Nemui Nyimah
Dyah Indriana Kusumastuti
Jurusan Teknik Sipil Fakultas Teknik Universitas Lampung Jl. Sumantri Brojonegoro No.1 Bandar Lampung.
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Estimasi Potensi PLTMH dengan Metode Regionalisasi pada Ungauged Catchments di Kecamatan Suoh Kusumastuti, Dyah Indriana; Winarno, Dwi Joko; Humaidi, Humaidi; Falah, M. Najmul; Robiyanto, Robiyanto
Jurnal Teknik Sipil Vol 23, No 1 (2016)
Publisher : Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (720.804 KB) | DOI: 10.5614/jts.2016.23.1.7

Abstract

Abstrak. Listrik merupakan masalah utama di Kecamatan Suoh, karena daerah ini belum teraliri listrik PLN. Daerahnya yang berada di hulu sungai Way Semaka menyebabkan Suoh memiliki potensi air yang cukup bagus untuk dijadikan pembangkit listrik. Penelitian ini bertujuan untuk menganalisis potensi sumber daya air sebagai pembangkit listrik di tiga sungai yaitu Way Hantatai, Way Sekandak dan Way Gunung Lanang. Ketiga sungai tersebut dapat dikategorikan sebagai ungauged catchment. Metode penelitian meliputi analisis kemiripan karakteristik hidrologis DAS Way Semaka dengan DAS Way Besai, penerapan metode regionalisasi melalui pembuatan FDC dimana data debit yang digunakan untuk pembuatan FDC berasal dari data debit Way Besai yang letaknya berdekatan dengan Way Semaka. Pengukuran variabel aliran di sungai digunakan untuk memverifikasi hasil perhitungan debit andalan dari penerapan metode regionalisasi. Potensi daya listrik dihitung berdasarkan debit andalan Q50 serta beda  tinggi. Hasi penelitian menunjukkan bahwa terdapat kemiripan kerakteristik hidrologis antara DAS Way Semaka dan DAS Way Besai. Debit terhitung berdasarkan pengukuran sesuai dengan debit andalan 80% - 93% dari FDC untuk ketiga sungai. Potensi daya listrik maksimal dengan efisiensi 90% yang dapat dibangkitkan dari sungai Way Hantatai sebesar 15,26 KW, dari sungai Way Sekandak sebesar 4,12 KW dan dari sungai Way Gunung Lanang sebesar 2,71 KW.Abstract. Electricity is the major problem in Suoh sub-district because there is no electricity distributed by National Electricity Company (PLN). Suoh is located in the upstream of Way Semaka and water is available in river tributaries throughout the year which can be utilized for micro hydro power. This research aims to analyse the potency of the rivers including Way Hantatai, Way Sekandak and Way Gunung Lanang. The three rivers are categorised as ungauged catchments. Research method includes analysis of hydrologic similarity berween Way Semaka and Way Besai catchments, application of regionalization method where FDC for Way Semaka was developed from discharge data from Way Besai located close to Way Semaka. Measurement of flow variables in the rivers are used to verify dependable discharge calculated by regionalization method. The potency of electricity power is calculated based on dependable discharge Q50 and head. The result shows that hydrologic similarity  exists between Way Semaka and Way Besai catchments. Calculated discharges based on river measurements comparable to dependable discharges between 80%-93% from the FDCs for the three rivers. The maximum electricity power which can be generated are 15.26 KW, 4.12 KW and 2.71 KW for Way Hantatai, Way Sekandak and Way Gunung Lanang respectively.
BASE FLOW INDEX OF WAY SEPUTIH RIVER AT BUYUT UDIK Kusumastuti, E.P. Wahono, A. Yusuf, Dyah Indriana
Journal of Engineering and Scientific Research Vol 1, No 2 (2019)
Publisher : University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jesr.v1i2.27

Abstract

One of river flow components considered in watershed management is baseflow, the main contributor to the river flow during dry season. Ratio between baseflow to total flow is called Base Flow Index (BFI). In fact, BFI can be used as an indcator how good the catchment hydrology is. The purpose of this study is to analyze BFI of Way Seputih river at Hydrometry Station Buyut Udik. The method includes Recursive Digital Filter (RDF) method, which utilizes constant recession of hydrographs in displaying the ratio of baseflow from continuous discharge during periods when there is no direct runoff. Daily discharge data from Way Seputih river at Buyut Udik recorded from 1973 to 2006 is used. The result shows that yearly BFI values range from 0.142 to 0.487 and there is a decrease trend of yearly BFI over time. This result is confirmed by yearly average discharges which tend to decrease over time. These are effected by land cover degradation in Way Seputih catchment and  this should be a concern for authorities to improve land and water conservation in Way Seputih catchment so that river flow could be maintained throughout the year. Keywords: base flow index, baseflow, dry season 
HYDRAULIC ANALYSIS OF THE JOHOR RIVER USING HEC-RAS Kusumastuti, Dyah Indriana
Rekayasa : Jurnal Ilmiah Fakultas Teknik Universitas Lampung Vol 14, No 2 (2010): Edisi Agustus Tahun 2010
Publisher : UNIVERSITAS LAMPUNG

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Kota Tinggi located in the southern state of Malaysia, i.e. Johor Baru, experienced severe floods in December 2006 and January 2007, which was due to prolonged and intense rainfall. Johor River was inadequate to accommodate the water and at the same time the flow unable to escape the swolen river, hence water inundated the town. One of the river characteristics that may contribute in flooding is the meandering shape. Therefore it was proposed to do a hydraulic model that simulated some alternate channels that straightened some parts of the river. The model used one dimensional steady state approach using HEC-RAS software. The simulation result of the existing condition estimated that January 2007 flood event had a return period of 100 years. From the hydraulic model, it can be concluded that the choice of location and the length of the alternate channel had an effect on how much water level reduced.
Analisis Metode Routing terhadap Hidrograf Banjir Sungai Way Sekampung di Way Kunyir Menggunakan HEC-HMS Ulfah, Marfirah; Kusumastuti, Dyah Indriana; Winarno, Dwi Joko
Jurnal Teknik Sipil Vol 15, No 4 (2020)
Publisher : Program Studi Teknik Sipil Fakultas Teknik Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (487.699 KB) | DOI: 10.24002/jts.v15i4.3799

Abstract

Flood events often occur in Indonesia so that quite a lot of people researched about the movement of floods and flood monitoring in the Watershed. The location of the study was carried out by the Way Sekampung river in Way Kunyir located in the Pringsewu district, Lampung province and is located downstream of the Batutegi dam. Flood tracing is intended to analyze the chances of a flood in the form of a flood hydrograph with or without using the Routing method and find out the results of some Routing methods in the watershed. The Routing method used in this study is Lag, Lag and K and Muskingum. The HEC-HMS modeling results state that peak discharge data when without Routing is greater than entering the Routing parameter. This is because entering the Routing parameter in modeling is very influential at peak times so that it affects the peak discharge at the watershed outlet. As a result of Muskingum Routing, the peak discharge is lower than before entering the flow routing, this is due to the occurrence of reservoirs along the river so that the peak discharge becomes lower than without Routing. The results of Lag Routing and Lag and K Routing are peak discharge decreased compared to before entering the Routing parameter. what should have happened to the peak discharge with Routing and without Routing remains the same, however, only peak discharge tranlations occur and there is travel time. This happens because there is no debit data at the station being reviewed so it uses rain data instead of HEC-HMS modeling.
Analisis Metode Routing terhadap Hidrograf Banjir Sungai Way Sekampung di Way Kunyir Menggunakan HEC-HMS Ulfah, Marfirah; Kusumastuti, Dyah Indriana; Winarno, Dwi Joko
Jurnal Teknik Sipil Vol 11, No 2 (2012): Jurnal Teknik Sipil
Publisher : Program Studi Teknik Sipil Fakultas Teknik Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (487.699 KB) | DOI: 10.24002/jts.v11i2.3797

Abstract

Flood events often occur in Indonesia so that quite a lot of people researched about the movement of floods and flood monitoring in the Watershed. The location of the study was carried out by the Way Sekampung river in Way Kunyir located in the Pringsewu district, Lampung province and is located downstream of the Batutegi dam. Flood tracing is intended to analyze the chances of a flood in the form of a flood hydrograph with or without using the Routing method and find out the results of some Routing methods in the watershed. The Routing method used in this study is Lag, Lag and K and Muskingum. The HEC-HMS modeling results state that peak discharge data when without Routing is greater than entering the Routing parameter. This is because entering the Routing parameter in modeling is very influential at peak times so that it affects the peak discharge at the watershed outlet. As a result of Muskingum Routing, the peak discharge is lower than before entering the flow routing, this is due to the occurrence of reservoirs along the river so that the peak discharge becomes lower than without Routing. The results of Lag Routing and Lag and K Routing are peak discharge decreased compared to before entering the Routing parameter. what should have happened to the peak discharge with Routing and without Routing remains the same, however, only peak discharge tranlations occur and there is travel time. This happens because there is no debit data at the station being reviewed so it uses rain data instead of HEC-HMS modeling.
Geospatial Analysis of Land Use and Land Cover Changes for Discharge at Way Kualagaruntang Watershed in Bandar Lampung Fieni Yuniarti; Dyah Indriana K; Dwi Joko Winarno
International Conference on Engineering and Technology Development (ICETD) 2013: 2nd ICETD 2013
Publisher : Bandar Lampung University (UBL)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (484.329 KB)

Abstract

Land use and land cover change in a watershed might drive some impacts, such as high amounts of discharge fluctuations. Way Kuala Garuntang Watersheed is one of watershed in Bandar Lampung that has changed significantly. This study analyzed land use and land cover change to determine how much its influence on discharce fluctuations based on Geographics Information System. The method used in this study comprised of hidrology, spatial and sensitivity analysis. Hidrology analysis based on daily rainfall data. Spatial data analysis aims to present geospatial data related effects of land use and land cover change on the value of discharge. Sensitivity analysis is done by creating a land use and land cover simulation scenarios and sees its effect on the peak discharge events. The results of hidrology analysis in this study showed that the rainfall data obtained from the rainfall stations around the watershed were inconsistent and it needs to be repaired. It was found that the pattern of rainfall distribution in Bandar Lampung for 4 hours consists of 40%, 40%, 15% and 5% pattern. The results of spatial analysis in this study showed that there are 11 types of land cover on the existing condition and only has a protected area covering 4.72% of the total watershed. From the results of the sensitivity analysis showed that land use scenario with availability less than 30% of the area of green open space watershed may cause an increase in the value of the peak discharge. Instead, the scenario to maintain a 30% green open spaces of wide watershed did not make a significant change in peak discharge. This action is necessary to provide enough space for the infiltration of rain water on a particular area for the purpose of supplying the needs of ground water and flood control.
Geospatial Analysis of Land Use Change in Way Kuripan Watershed, Bandar Lampung City Candra Hakim Van Rafi’i; Dyah Indriana Kusumastuti; Dwi Jokowinarno
International Conference on Engineering and Technology Development (ICETD) 2013: 2nd ICETD 2013
Publisher : Bandar Lampung University (UBL)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (459.679 KB)

Abstract

The purpose of the study is to analyze land use and land cover change impact on Way Kuripan discharge. Six scenarios of land use and land cover changes at Way Kuripan watershed area of 53.54 km² was developed based on geospatial analysis with Geographic Information System. Peak discharge is calculated by using rational method. From the six scenarios simulation, scenarios 1, 2, 3, and 4 maintained the protected areas of 80.15%. Land use and land cover changes done by changing areas from vacant land and agricultural areas to be residential, industrial and government office areas. From the analysis, peak discharge of scenarios 1, 2, 3, and 4 change slightly which are between 11.19% and 23.46%. These results are in contrast to scenarios 5 and 6, in which scenario 5 keep the protected areas about 53.35% while in scenario 6 left the protected areas around 30%. Those protected areas changed into residential areas. The result showed that in scenario 5, the peak discharge changed about 66.29%. While in scenario 6, it changed about 107.19%. It can be concluded that the existence of protected areas in Way Kuripan Watershed was very important role to reduce the peak discharge values. 
The ratio of Indonesia BMKG agency and TRMM satellite Rainfall Data in West Java Province by Using Statistical Parameter and Correlation Analysis Rian Alfian; Ahmad Zakaria; Endro Prasetyo Wahono; Dyah Indriana Kusumastuti; Ahmad Herison
Journal of Engineering and Scientific Research Vol. 3 No. 2 (2021)
Publisher : Faculty of Engineering, Universitas Lampung Jl. Soemantri Brojonegoro No.1 Bandar Lampung, Indonesia 35141

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (927.393 KB) | DOI: 10.23960/jesr.v3i2.82

Abstract

Weather observations can be done in two ways, namely weather observations based on weather stations and based on remote sensing such as satellites. One of these weather study data is rainfall measured from the BMKG rain observation post and TRMM satellite observations. To see the pattern of the distribution of rain that has occurred, the two weather observations can be connected as a reference for the distribution of rain. The purpose of this study was to analyze the correlation value of rainfall data between BMKG and TRMM by looking at the comparison graph and analyzing the comparison of statistical parameters. This research was conducted using daily rainfall data from 1998-2018 at four rain stations in West Java Province and taking descriptive decisions in the form of pictures and graphs in the form of daily, monthly and annual data. Based on the analysis results, the largest correlation value is in the annual cumulative with a value of 0,88-0,94, the smaller the number of days, the smaller the correlation value. The BMKG and TRMM rainfall data have relatively the same pattern, but the maximum data have differences so that it reduces the correlation value. In the Statistical Parameter analysis, it can be stated that the difference in the values ??of the statistical parameters is directly proportional to the daily cumulative, that the difference in the median and mean values ??in the BMKG and TRMM data is greater in the data with a larger cumulative. Meanwhile, for linear regression analysis, it was found that the greatest value was the cumulative 1-year value with a coefficient of determination from 0,78 - 0,89.
PEMANFAATAN AIR LANGIT BAGI TAMAN PENDIDIKAN AL QUR’AN DARRUL ISLAM KABUPATEN LAMPUNG SELATAN Dyah Indriana Kusumastuti, Dwi Jokowinarno, Ridwan
Jurnal Pengabdian Kepada Masyarakat Sakai Sambayan Vol 5 No 1 (2021)
Publisher : Lembaga Penelitian dan Pengabdian Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jss.v5i1.274

Abstract

Taman Pendidikan Al-Qur’an (TPQ) Darrul Islam terletak di Dusun Sindangsari, Desa Natar, Kabupaten Lampung Selatan. TPQ ini memiliki siswa sejumlah lebih dari 100 orang, dengan pendidikan formal dari SD hingga SMA. Dengan jumlah siswa yang banyak yang membutuhkan air untuk bersuci dan sanitasi maka kebutuhan air menjadi sangat tinggi. Akan tetapi ketersedian air yang ada tidak mampu memenuhi kebutuhan air yang tinggi. Selain masalah keterbatasan air bersih, masalah yang dijumpai adalah kurangnya kegiatan kreatif yang dapat dilakukan untuk mengalihkan ketidaktertiban siswa ketika menunggu pelajaran dimulai. Untuk mengatasi masalah yang dijelaskan di atas, maka solusi yang ditawarkan adalah pemanfaatan air langit (air hujan) melalui sistem Pemanenan Air Hujan (PAH) yang dapat digunakan untuk memenuhi kebutuhan air akan sanitasi dan bersuci sekaligus dimanfaatkan untuk pengairan tanaman hidroponik yang dikelola oleh TPQ dengan melibatkan siswa. Sehingga siswa akan disibukkan dengan kegiatan kreatif pemeliharaan tanaman hidroponik dan tidak ada waktu lagi untuk melakukan keisengan. Penerapan PAH di TPQ Darrul Islam menjadikan TPQ ini menjadi pelopor konservasi air dan peduli lingkungan bagi masyarakat sekitar dan siswa TPQ. Kata kunci: Hidroponik, Pemanenan Air Hujan, TPQ
PEMBERDAYAAN PETANI PEMAKAI AIR DESA SUMBEREJO DALAM OPERASI DAN PEMELIHARAAN JARINGAN IRIGASI Dyah Indriana Kusumastuti
Jurnal Pengabdian Kepada Masyarakat Sakai Sambayan Vol 3 No 3 (2019)
Publisher : Lembaga Penelitian dan Pengabdian Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jss.v3i3.165

Abstract

Kegiatan pengabdian ini dilaksanakan di Desa Sumberejo, Kecamatan Kotagajan, Kabupaten Lampung Tengah dengan mitra sasaran Perkumpulan Petani Pemakai Air (P3A). Kegiatan ini dilatarbelakangi oleh studi kalibrasi pintu air di Daerah Irigasi Punggur Utara yang mendapati koefisien debit pintu air irigasi yang kurang lazim dan ternyata diakibatkan oleh kondisi jaringan irigasi. Kegiatan ini bertujuan untuk memberdayakan P3A Desa Sumberejo yang terletak di BPU 15 Daerah Irigasi Punggur Utara. Metode kegiatan berupa peningkatan pengetahuan tentang Operasi dan Pemeliharaan Jaringan Irigasi oleh P3A dan pemberdayaan P3A melalui perbaikan ringan dan perawatan jaringan irigasi. Hasil dari kegiatan ini adalah meningkatnya pengetahuan dan kesadaran anggota P3A tentang tugas dan peran mereka dalam Operasi dan Pemeliharaan jaringan irigasi. Sebagai wujud pemahaman dan kesadaran, anggota P3A segera melakukan perbaikan saluran tepat di bawah pintu irigasi yang sebelumnya dibobok agar air pembagian air irigasi dapat dilakukan dengan adil, pembersihan sampah-sampah di saluran irigasi maupun perawatan saluran lainnya. Simpulan dari kegiatan ini adalah pentingnya peningkatan pengetahuan, pemahaman maupun peran P3A dalam operasi dan pemeliharaan jaringan irigasi agar kinerja jaringan irigasi meningkat Kata kunci: Operasi dan Pemeliharaan, Jaringan Irigasi, P3A
Co-Authors Adenan Yusuf Afandi . Ahmad Herison Ahmad Zaenudin Ahmad Zakaria Ahmad Zakaria Ahmad Zakaria Ahmad Zakaria Aji Saputra, Aji Amanda, Tiara Maelta Amini, Rosidah Andandaningrum, Della Andriani, Gustin Anggraini, Witta Putri Anton, Sari Aprizal Arianti, Tanti Aristiani, Widya Asep Sukohar Astika Murni Lubis Astriyana, Mega Ayuningsih, Titik Bayu krishna mukti C.H. Van Rafii Candra Hakim Van Rafi’i Christine Wulandari Citra Dewi D. Jokowinarno Diwantari, Windy Putri Dwi Joko Winarno Dwi Joko Winarno Dwi Joko Winarno Dwi Joko Winarno Dwi Joko Winarno Dwi Joko Winarno Dwi Jokowinarno Dwi Jokowinarno Dwi Jokowinarno Dwiyanto, Very ELOK BUDI UTAMI Endro Prasetyo Wahono F. Yuniarti fadhel dzaki sembiring Falah, M. Najmul Fathony, Awal Rifan Febriyani, Febriyani Fieni Yuniarti Fitriya Rahmawati Fridayanto, Syahlan Naufal Gani, Rama Dian Gultom, Winda Maria Rebecca gustin andriani Hardito, Joni Haris Murwadi Hidayat, Kurnia Ryandani Humaidi Humaidi Humaidi Humaidi Humaidi, Humaidi Irwan Irwan Irwan Sukri Banuwa Irwan Sukri Banuwa Jundulloh, Panglima juwita novi yana Kristianto Usman kuncoro, wahyu hadi Kusanti, Nency Dwi M. Najmul Falah Mahardika, Siti Mardiyansyah Mardiyansyah Marfirah Ulfah Maulana Yusuf Maulana Yusuf Mega Astriyana Melya Riniarti Muhamad Angga Wicaksono Muhammad Jazuli Mustofa mukti, Bayu krishna Murdiagatma, Sefrinta Sasma Mustofa, Muhammad Jazuli Mutya Nivitha Nency Dwi Kusanti Nengah Sudiane Niken, Chatarina Nivitha, Mutya Nivitha, Mutya Nora Anggraini Noviani, Erina Nugraheni, Melly Nur Arifaini Ofik Taufik Purwadi Ofik Taufiq Purwadi Okta Ainita Panglima Jundulloh Peranginangin, Imanuel Purwadi , Ofik Taupik Purwadi, Ofik Taufiq Purwadi, Ofik Taupik putri, wardatul aini Rahmawati, Fitriya Rama Dian Gani Rian Alfian Riki Chandra Wijaya Riyo Ardi Yansyah Riyo Ardi Yansyah, Riyo Ardi Riza Muhida Robiyanto Robiyanto Robiyanto, Robiyanto Rosidah Amini S Suharno Samsul Bakri Saputro, Rifki Ananda Sari, Dwi Meyta Sembiring, Fadhel Dzaki Siti Nurul Khotimah Siti Nurul Khotimah Slamet Budi Yuwono Slamet Budi Yuwono Sri Ratna Sulistiyanti Subuh Tugiono Subuh Tugiono, Subuh Suharni Suharni Sumiharni . Suprayitno, Meli Susilowati A Syafri Adi Teguh Endaryanto Titik Ayuningsih Tomi, Muhammad Tommy Arisandy Triyanto Triyanto Ulfah, Marfirah Utami, Elok Budi Very Dwiyanto Wahono, Endro Prsetyo wahyu hadi kuncoro Wardatul Aini Putri Wicaksono, Muhamad Angga Widya Aristiani Wijaya, Riki Chandra Winarno, Dwi Joko Winda Maria Rebecca Gultom Yana, Juwita Novi Yuda Romdania Yuda Romdania yulianto, alim Zaldi Ronald