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All Journal JSI: Jurnal Sistem Informasi (E-Journal) Jurnal Pengabdian UNDIKMA Jurnal Teknik Sipil Takuana: Jurnal Pendidikan, Sains, dan Humaniora Jurnal Ilmiah Multidisiplin Indonesia
Yuliani Wahyu Sardana
Universitas Bojonegoro
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Pemetaan Area Genangan Banjir Menggunakan Model HEC-RAS 2D dan GIS Pada DAS Pacal Kabupaten Bojonegoro Yuliani Wahyu Sardana; Suripin Suripin; Hari Nugroho; Mrabawani Insan Rendra
Jurnal Sistem Informasi Vol 15, No 1 (2023)
Publisher : Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36706/jsi.v15i1.21609

Abstract

Daerah Aliran Sungai (DAS) Pacal sering terjadi banjir secara berkala ketika terjadi hujan dengan intensitas yang tinggi. Hal tersebut membuat banyak kerugian yang dialami terhadap apa saja yang berada di area genangan banjir baik fisik maupun nonfisik. Pemetaan terhadap area genangan banjir perlu dilakukan guna menjadi informasi terhadap daerah yang rawan terhadap genangan akibat meluapnya Sungai Pacal. Sehingga dapat mengurangi kerugian yang ada. Oleh kerana itu, penelitian ini bertujuan untuk memetakan area genangan banjir yang terjadi pada DAS Pacal beserta luasannya dengan menggunakan perangkat lunak Hydrologic Engineering Centre-River Analysis System (HEC-RAS) dengan model 2D (two dimensional) unsteady flow analysis dan kemudian memetakannya dalam Geographical Information Systems (GIS). Peta yang dihasilkan yaitu peta genangan banjir pada periode ulang 100 tahun, 500 tahun dan 1000 tahun dengan masing-masing luasan area genangan sebesar 15.04 km2 untuk debit periode ulang 100 tahun, 15.51 km2 untuk debit periode ulang 500 tahun dan 16.45 km2 untuk debit periode ulang 1000 tahun.
ANALISIS KAPASITAS SALURAN DRAINASE AFVOER SUKOREJO WILAYAH TIMUR KOTA BOJONEGORO Sardana, Yuliani Wahyu
Jurnal Teknik Sipil Vol 14 No 1 (2024): Jurnal Teknik Sipil
Publisher : Civil Engineering Study Program Faculty of Engineering, University of Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36546/tekniksipil.v14i1.1275

Abstract

Kabupaten Bojonegoro merupakan salah satu kabupaten yang memiliki perkembangan yang pesat pada pembangunan daerah maupun populasi penduduk sehingga menjadikan perubahan tata guna lahan yang berdampak berkurangnya daerah resapan air. Wilayah Timur Kota Bojonogoro terdapat Afvoer Sukorejo yang memiliki fungsi sebagai saluran drainase di Kota Bojonegoro bagian timur. Aliran saluran ini berakhir pada pertemuan dengan kali Loro dan Bersama-sama menuju Sungai Bengawan Solo melalui sodetan sungai sampai pintu air Semanding dan mengalir secara gravitasi menuju pintu air Kalirejo. Wilayah ini sering terjadi genangan banjir disaat musim penghujan melanda. Oleh karena itu, penelitian ini bertujuan untuk bertujuan untuk mengetahui kondisi penampang saluran yang ada (existing) terhadap besarnya debit banjir rencana periode ulang 10 tahun. Analisis yang dilakukan ialah analisis hidrologi dengan melakukan perhitungan debit rencana periode ulang dan analisis hidrolika penampang dengan menggunakan software HEC-RAS (Hidrologic Engineering Center – River Analysis System). Data yang diperlukan berupa data primer yaitu kondisi existing saluran, tata guna lahan, juga arah aliran dan berupa data sekunder yaitu data curah hujan, peta catchment area serta peta tata guna lahan. Hasil analisis didapatkan bahwa kapasiitas existing saluran Afvoer Sukorejo sampai dengan Pintu Air Semanding dalam menerima debit banjir rencana periode 10 tahun terdapat 2 kondisi yaitu tidak aman dan aman. Kondisi tidak aman hampir terjadi pada banyak saluran yaitu meliputi : Afvoer Sukorejo, Kali Loro Segmen 1, 2 dan 3, dan Sodetan Semanding-Kalirejo dengan kedalaman luapan bervariasi. Sedangkan kondisi aman hanya terjadi pada saluran Sodetan Semanding segmen 1 dan 2
Determination of River Regime Coefficient and Water Storage Coefficient in Assessing Watershed Health in the Pacal Watershed, Bojonegoro Sardana, Yuliani Wahyu
Jurnal Ilmiah Multidisiplin Indonesia (JIM-ID) Vol. 4 No. 09 (2025): Jurnal Ilmiah Multidisplin Indonesia (JIM-ID) October 2025
Publisher : Sean Institute

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Abstract

Watershed health is a crucial indicator of the watershed's ecological function and its capacity to provide sustainable environmental services. Environmental degradation due to anthropogenic activities such as land conversion in the Pacal watershed, Bojonegoro, has triggered an increase in the frequency of floods and droughts, indicating a critical decline in the watershed's hydrological function. This study aims to quantitatively evaluate the health level of the Pacal watershed through the analysis of two hydrological parameters River Regime Coefficient (KRS) and Water Storage Coefficient (KSA). The analysis results indicate that the hydrological condition of the Pacal Watershed falls into the poor category. The average KRS value during the 2013-2022 period was 282, classified as Very High. This very high KRS value indicates extreme discharge fluctuations and significant river flow instability, which have a high potential to trigger floods and droughts. Meanwhile, the average KSA value obtained was 0.057, classified as Poor. A very low KSA value indicates very limited infiltration and groundwater storage capacity, resulting in most rainwater becoming rapid surface runoff and minimal base flow during the dry season. Poor KRS and KSA values ​​indicate that the water regulation function of the Pacal Watershed has been critically degraded.
Sosialisasi Rainwater Harvesting (RWH) bagi Tim PKK Desa: Melangkah Menuju Desa Mandiri Air Bersih Sardana, Yuliani Wahyu
Takuana: Jurnal Pendidikan, Sains, dan Humaniora Vol. 4 No. 4 (2026): Takuana (January-March)
Publisher : MAN 4 Kota Pekanbaru

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56113/takuana.v4i4.341

Abstract

The need for clean water, which is still mostly still supplied by groundwater, if it is used continuously, can experience a clean water crisis, but on the contrary, surface water during the rainy season is very abundant so it needs to be utilized. The use of excess water during the rainy season can be used for various purposes when water is needed, especially supplies when experiencing a water crisis in the dry season. Rainwater is considered cheap in its use because rain must fall in every place so that it can be used directly both without and with the treatment process. The use of rainwater as a source of clean water is by Rainwater Harvesting technique. The purpose and benefits of the service carried out are to provide understanding to the PKK Mobilization Team related to Rainwater Harvesting (RWH) so that it is expected to be able to become a Village Initiator on a household scale to move towards a Clean Water Independent Village. The method is carried out by socialization using interactive material presentations and then discussions at the end of the session. A total of 91 participants from 26 villages who participated were able to receive socialization materials well and a detailed understanding which is evident from the enthusiasm of the participants in the discussion and question and answer sessions provided in the forum. This understanding can be a provision for the PKK mobilization team of each village as a Village Initiator on a household scale to realize an independent village with clean water.
Sustainable Rainwater Management through Green Infrastructure: A Rain Garden Project in Dharma Wanita Caruban Kindergarten, Bojonegoro Sardana, Yuliani Wahyu; Indriani, Yulia; Yudistira, Bagas Pramudya; Setiana, Jaka
Jurnal Pengabdian UNDIKMA Vol. 7 No. 2 (2026): May (IN PRESS)
Publisher : LPPM Universitas Pendidikan Mandalika (UNDIKMA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/jpu.v7i2.19801

Abstract

This community service program aims to implement a Rain Garden as a solution for water retention and infiltration while serving as a living laboratory for the cultivation of water conservation awareness within the school community. The implementation method of this community service activity uses a design and build approach through the engagement of stakeholders, following the systematic stages of Planning, Action, Observation, and Reflection (PAOR). The construction of a filtration layering structure utilized a calculated mixture of sand, compost, and local soil (5:2:3 ratio) over a 9.9 m² managed area with an excavation depth of 1.2 meters. The partners involved are the school community at Dharma Wanita Caruban Kindergarten, Bojonegoro. The evaluation instruments used in this activity were hydrological performance observations of infiltration rates and retention capacity, supplemented by Likert-scale structured observation sheets to measure partner competence. The data were analyzed using the descriptive-comparative technique. The results of this community service program indicate that the implemented system, with its calculated retention capacity, facilitates total rainwater infiltration within a 24-hour period, effectively eliminating surface ponding. Beyond hydrological performance, the project achieved a substantial average increase of 55% in partner competence, reaching a final proficiency level of 90%. The design successfully transforms passive land into a functional garden with adaptive vegetation for the maintenance of optimal soil porosity. This established Rain Garden provides a sustainable water conservation model and serves as an ecological educational instrument for students in Bojonegoro.
Co-Authors Hari Nugroho Mrabawani Insan Rendra Setiana, Jaka Suripin Suripin Yudistira, Bagas Pramudya Yulia Indriani