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All Journal Indonesian Journal of Geography Indonesian Journal of Agricultural Science agriTECH Jurnal Ilmiah Rekayasa Pertanian dan Biosistem SAINS TANAH - Journal of Soil Science and Agroclimatology Jurnal Irigasi Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Jurnal Pengabdian dan Pengembangan Masyarakat Jurnal Litbang Kota Pekalongan
Bayu Dwi Apri Nugroho
Universitas Gadjah Mada
Agriculture, Biological Sciences & Forestry Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Earth & Planetary Sciences Education Engineering Environmental Science Languange, Linguistic, Communication & Media Library & Information Science Public Health

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Changes in Rainfall Pattern in Bengawan Solo Sub-Watershed Muchamad Wahyu Trinugroho; Sigit Supadmo Arif; Sahid Susanto; Bayu Dwi Apri Nugroho; Abi Prabowo
SAINS TANAH - Journal of Soil Science and Agroclimatology Vol 19, No 2 (2022): December
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/stjssa.v19i2.61640

Abstract

Rainfed farming is vulnerable to climate variability, which changes rainfall patterns.  Rainfall variability disrupts rainfed rice cultivation because a  change in rainfall will affect the rice crop calendar. An analysis of long-term trends over a specific area is required to understand rainfall variability. The aim of this study was to assess climate variability in terms of rainfall magnitude and frequency by analyzing spatial and temporal rainfall trends in Bengawan Solo Sub-Watershed as well as the rainfed rice production. Daily rainfall data from 10 rain gauge stations over the sub-watershed area from the years 1975 to 2020 were used. The data was managed and collected by the Bengawan Solo Watershed authority. Pearson, Mann-Kendall, and Sen’s Slope tests were applied to assess the recorded data correlation, rainfall trends, and magnitude of trends into annual, monthly, and 10-day. The findings of the study indicated the spatial and temporal inhomogeneous rainfall pattern for all locations for 10-day, monthly and annual patterns. The mountainous regions at Tawang Mangu and Ngrambe stations tend to experience an upward trend (positive magnitude), while the coastal regions at Nglirip and Bojonegoro stations have a downward trend(negative magnitude). Those trends also confirmed that coastal regions would be drier than mountainous regions in the future. Understanding this rainfall trend can assist with rainfed farming strategic planning.
Mitigasi Dampak Banjir dan Rob Terhadap Lahan Pertanian di Kota Pekalongan Muhammad Wiji Nur Huda Huda; Murtiningrum Murtiningrum; Hanggar Ganara Mawanda; Muhammad Khoiru Zaki; Prieskarinda Lestari; Chandra Setyawan; Bayu Dwi Apri Nugroho; Ngadisih Ngadisih
JURNAL LITBANG KOTA PEKALONGAN Vol. 21 No. 1 (2023)
Publisher : Badan Perencanaan Pembangunan, Penelitian dan Pengembangan Daerah (Bappeda) Kota Pekalongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54911/litbang.v21i1.235

Abstract

Pekalongan City has an area of 46,42 km2. Based on land use, 19% of the area, which is 886 ha, is agricultural land. The current flood and tidal disasters have an impact on various sectors, including agriculture. Efforts to deal with this problem have been made by the central, provincial and city governments. However, these efforts have not provided a real solution because floods and tidal disasters continue to expand. Therefore, research is needed which aims to identify the impact of flooding and tidal on agricultural land and provide recommendations for mitigating the impacts of flooding and tidal on agricultural land in Pekalongan City. The research was conducted through data collection methods, data quality testing and analysis, disaster mitigation scenarios, and research outputs. Based on the parameters of class III water quality standards, the BOD values at S1, S3, and S6 were 12.5; 27.6; 7.6 mg/L and the COD values at S2, S3, S6 were 53.7; 88.7; 46 mg/L which exceeds/does not meet the requirements. Therefore, it is recommended that good water governance management, water regulation with the mini polder concept, carry out reclamation of affected agricultural land, manufacture of household domestic sewage sanitation channels, and manufacture of purifier ponds.
Pede Tanam 1.0, Sistem Informasi Debit Air Realtime Berbasis Internet of Things (IoT) Bayu Dwi Apri Nugroho; Benyamin Nahak; Hertiyana Nur Annisa
Jurnal Ilmiah Rekayasa Pertanian dan Biosistem Vol 11 No 2 (2023): Jurnal Ilmiah Rekayasa Pertanian dan Biosistem
Publisher : Fakultas Teknologi Pangan & Agroindustri (Fatepa) Universitas Mataram dan Perhimpunan Teknik Pertanian (PERTETA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jrpb.v11i2.527

Abstract

In an effort towards the industrial revolution 4.0, in modern irrigation management, conventional methods must be accompanied by technology. Then also the delivery of water discharge data to the Provincial Irrigation Commission secretariat is slow and not up to date, the Global Planting Plan (RTTG) and Detailed Planting Plan (RTTD) do not exist, an innovative Real-time Debit Logger (Pede Tanam 1.0) is needed. The way this tool works is through two sensors that are mounted on a cross section both in the primary irrigation canal and the data is processed by the microcontroller system to be sent via an internet connection quickly and accurately and the results are displayed in an application installed on a PC or mobile phone in the form of numerical data and graphics, as well area information can be streamed. Furthermore, information on the condition of the water debit can be printed automatically on the O-6 blank. The latest data transmission from sensors can be set every five minutes of updating. This new concept has been tested in the Manikin Irrigation Area, Kupang Regency, East Nusa Tenggara Province. The results of this study, that the water discharge meter in real time is running well, including updating data and also printing O-6 blanks directly from the Pede Tanam information system and from applications on smart phones. This will be very useful in the future, especially if implemented in areas that have islands, apart from efficiency problems, social conflicts can also be avoided.
Rainfall Thresholds Analysis for Early Warning of Landslides in The Bompon Watershed Milya Aflah Ulul Albab; Bayu Dwi Apri Nugroho
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 13, No 3 (2024): September 2024
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v13i3.628-636

Abstract

The transitional zone between the central and southern morphologies of Java is characterized by steep slopes and thick soil. On the other hand, high rainfall in the area poses a potential threat of landslide hazards. This research is conducted in the Bompon Watershed, located in the transitional zone between Mount Sumbing and the Menoreh Mountains. This study aims to examine the rainfall dynamics leading to landslides in the Bompon Watershed using rainfall threshold analysis. Intensity and duration are selected as parameters to establish the rainfall threshold model. The research findings indicate that long-duration rainfall is the dominant cause of landslides in the Bompon Watershed. High-intensity rainfall can trigger landslides when lasting for more than one day. The established rainfall threshold equation in the Bompon Watershed is I = , where I is intensity and D is duration. The effects of long-duration rainfall include raising the groundwater level, thereby increasing the slope load. The presence of clay in the Bompon Watershed can hinder proper rainwater infiltration. Poorly infiltrated water adds to the slope load and induces slope instability. The calculated rainfall threshold can serve as the basis for early landslide warning systems. Keywords: Landslide, Rainfall threshold, Bompon watershed, Rrainfall intensity, Rainfall duration
Co-Authors Abi Prabowo Ardiansyah -- -- Badi’atun Nihayah Benito Heru Purwanto Benyamin Nahak Chandra Setyawan, Chandra Chusnul Arif Donnie Koes Nugraha Fadila Suryandika Hanggar Ganara Mawanda Hasan Al Banna Hertiyana Nur Annisa Maftukhah, Rizki Milya Aflah Ulul Albab Muchamad Wahyu Trinugroho Muhammad Khoiru Zaki Muhammad Rasyid Ridla Ranomahera Muhammad Wiji Nur Huda Huda Murtiningrum Murtiningrum Ngadisih Ngadisih Nur Aini Iswati Hasana Nuzul Hijri Darlan Prieskarinda Lestari Prima Diarini Riajaya Putu Sudira Reza Kusuma Nurrohman Sahid Susanto SIGIT SUPADMO ARIF Sri Nuryani Hidayah Utami Umi Hapsari Wini Prayogi Abdila