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All Journal Indonesian Journal of Geography SOCA: Jurnal Sosial Ekonomi Pertanian Jurnal Keteknikan Pertanian agriTECH Jurnal Ilmiah Rekayasa Pertanian dan Biosistem SAINS TANAH - Journal of Soil Science and Agroclimatology Jurnal Irigasi Jurnal Teknik Sipil

SIGIT SUPADMO ARIF

Department Of Agricultural And Biosystems Engineering, Faculty Of Agricultural Technology, Universitas Gadjah Mada

Author-ID : 393169

Agriculture, Biological Sciences & Forestry Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Economics, Econometrics & Finance Education Engineering Transportation

Published : 34 Documents Claim Missing Document

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Pemakaian Hasil Analisis Harmonik Hasil Sedimen (Sediment Yield) Untuk Pemantauan dan Evaluasi Manajemen Daerah Aliran Sungai (DAS) (Studi Kasus Di Sub DAS Tapan) Sigit Supadmo Arif
agriTECH Vol 16, No 1 (1996)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

Departemen Kehutanan sebagai instansi pemerintah yang bertanggung jawab atas kelestarian hutan dan lahan atasan di suatu Daerah Aliran Sungai (DAS) telah melaksanakan beberapa program beserta tindakan pemantauan dan evalualinya (monitoring and evaluation), meskipun belum mempunyai prosedur dan metode yang baku. Tujuan utama tulisan ini ialah melakukan evaluasi manajemen DAS dengan memakai analisis harmonik hasil sedimen sebagai salah satu peubah (variable) pemantauan (monitoring) usaha perbaikan manajemen lahan yang telah dilakukan, dengan mengasumsikan bahwa proses perubahan watak DAS dalam kurun waktu yang ditinjau berlangsung dalam keadaan tunak. Lokasi penelitian dilakukan di Sub DAS Tapan yang merupakan bagian DAS Bengawan Solo. Analisis dilakukan terhadap data hasil sedimen untuk kurun waktu 1974 - 1979, 1983 -1988 dan 1986 - 1990. Hasil analisis menunjukkan bahwa pemakaian analisis harmonik memberikan akurasi nisbi tinggi pada kurun-kurun waktu awal dan semakin lama semakin mengecil untuk kurun-kurun waktu setelahnya. Hal ini dapat disimpulkan bahwa perubahan watak DAS dalam keadaan tunak berlangsung pada kurun waktu awal untuk kemudian berangsur-angsur berubah menjadi proses tak lunak sesuai dengan proses perubahan tata guna lahan. Proses tak tunak juga ditunjukkan oleh perubahan harga koelisien limpasan, fo, dalam kurun waktu yang ditinjau.

Pengembangan Model Operasi Pompa Berkelanjutan di Daerah Irigasi Sumur Pompa Dangkal Murtiningrum Murtiningrum; Sigit Supadmo Arif; Saiful Rochdyanto
agriTECH Vol 16, No 1 (1996)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

Model of sustainable pump operation in an unconfined groundwater irrigation system was developed to determine pump operation pattern which consist of the number of pumps, duration, and distance between pumps, so that crop water requirement is fulfilled and groundwater irrigation system is sustained. Total irrigation flow, EQpi, results in lowering water table which is called drawdown, sn. Drawdown sn should be less than di (sn< di) which (d1 is maximum drawdown which is affected by pump technology. Model outputs for the area of Sri Rahayu Farmer Group in Kedungtuban, Blora for existing cropping pattern show that average irrigation water requirement is 916.1mm/year and peak flow is 4.93 ips. It still can be fulfilled by 1, 2, 3, 4, or 9 pumps for 10 days operation continuously which is shown by the drawdowns which are less than maximum drawdown.

Analisis Kesiapan Modernisasi Daerah Irigasi Kedung Putri Pada Tingkat Sekunder Menggunakan Metode K-Medoids Clustering Ansita Gupitakingkin Pradipta; Anditya Sridamar Pratyasta; Sigit Supadmo Arif
agriTECH Vol 39, No 1 (2019)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

Preparation for the modernization of the Kedung Putri Irrigation System (DI Kedung Putri) required a comprehensive assessment of the irrigation pillars, one of which was at the secondary level. To facilitate the assessment and development plan, a clustering was carried out using the k-medoids method, that used a representative data (called medoid) as the cluster center. Then, decision making was conducted by using the Analytic Hierarchy Process (AHP) method. The performance assessment of 21 secondary channels was stated as the readiness index of irrigation modernization (IKMI). The assessment result showed that 9.52% belonged to good criteria, 71.43% belonged to fair criteria, and 19.05% belonged to poor criteria. Based on these results that DI Kedung Putri was considered not ready yet to be modernized. For this reason, it was necessary to conduct the system improvement in groups, namely by grouping based on similarities (clustering). The used method was k-medoids clustering using Rapid Miner 9.0 software. The clustering result showed that the optimal cluster number was 4clusters, with the Davies Bouldin Index (DBI) value -1.959. The members of the 0, 1, 2 and 3 clusters were 6, 6, 8 and 1 secondary channels, respectively. Furthermore, a priority scale in clusters development was needed based on the performance of irrigation pillars on secondary channels. The results of AHP analysis showed that the order of priority development starts from cluster 0, followed by cluster 2, 1 and 3. The recommendations for the development of secondary channels incorporated in cluster 0, such as increasing water supply, routine infrastructure maintenance, technical assistance, and public campaigns in irrigation management. The secondary channels incorporated in cluster 3 had good performance on all pillars, so it only needed to maintain the existingoperation and maintenance patterns.

Spatial and Temporal Analysis of Seasonal Rainfall on the East Coast of North Sumatra, Indonesia Nuzul Hijri Darlan; Sigit Supadmo Arif; Putu Sudira; Bayu Dwi Apri Nugroho
Indonesian Journal of Geography Vol 52, No 3 (2020): Indonesian Journal of Geography
Publisher : Faculty of Geography, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijg.56724

The east coast of North Sumatra has lower rainfall than the central (Bukit Barisan) and the west coast. Meanwhile, the literature on the influence of climate phenomena, such as El Nino, La Nina, and positive/negative IOD, on the rainfall distribution in North Sumatra remains quite limited. This paper aims to describe the spatial distribution of seasonal rainfall on the east coast of North Sumatra and its correlation with ENSO and the IOD. Hopefully, the spatial analysis of seasonal rainfall and its correlation to ENSO and IOD can improve the understanding on rainfall distribution and the influenced factors in the study area. For 16 years (1999–2014), the monthly rainfall data at 52 rain gauge stations that passed the homogeneity test were divided into the seasonal 6-month and 4-month. Hereafter, the seasonal rainfall was spatially analyzed with the Inverse Distance Weighting (IDW) method using ArcMap software. The spatial analysis results can clearly describe the rainfall dynamics and its anomalies, therefore, can be more easily understood. The repetition of rainfall anomaly patterns can be seen in January to June (JFMAMJ), January to April (JFMA), and May to August (MJJA), which occurs in 3–4 years. Furthermore, the Pearson-correlation analysis shows that SOI has a strong positive correlation on JFMAMJ (0.529), JFMA (0.485), and MJJA (0.366), while IOD has a strong positive correlation on MJJA (0.512) and negative on September to December - SOND (-0.341).

TRANSFORMASI SISTEM IRIGASI SUBAK YANG BERLANDASKAN KONSEP TRI HITA KARANA WAYAN WINDIA; SUPRODJO PUSPOSUTARDJO; NYOMAN SUTAWAN; PUTU SUDIRA; SIGIT SUPADMO ARIF
SOCA: Jurnal Sosial Ekonomi Pertanian Vol. 5, No. 2 Juli 2005
Publisher : Program Studi Agribisnis, Fakultas Pertanian, Universitas Udayana Jalan PB.Sudirman Denpasar, Bali, Indonesia. Telp: (0361) 223544 Email: soca@unud.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (89.235 KB)

Subak irrigation system beside as an appropriate technological system, but as acultural system as well. This fenomenon indicate that basically subak irrigationsystem is a technological system that has been developed as a part of cultural society.Because subak system is viewed as a technological system, so this system has anability to be transformed. Meanwhile, limitation of the ability of subak irrigationsystem to overcome the extreem conditions, basically can be solved through theharmony and togetherness, based on the Tri Hita Karana (THK) principles as a basicof subak system. Futhermore, through inverse technique, it can be seen the ability ofsubak system, that can be transformed. And then, through Fuzzy Set Theory, it can beseen the dominance or ranks of the all elements of subak system, which are also as aconsideration on the transformation process.

Irigasi: Pengertian dan Peluang Penelitian/Pengkajian Ari Prabowo; Sigit Supadmo Arif; Sahid Susanto; Lilik Sutiarso
SOCA: Jurnal Sosial Ekonomi Pertanian Vol. 11, No. 1 Juli 2011
Publisher : Program Studi Agribisnis, Fakultas Pertanian, Universitas Udayana Jalan PB.Sudirman Denpasar, Bali, Indonesia. Telp: (0361) 223544 Email: soca@unud.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (7351.865 KB)

SISTEM IRIGASI SUBAK DENGAN LANDASAN TRI HITA KARANA (THK) SEBAGAI TEKNOLOGI SEPADAN DALAM PERTANIAN BERIRIGASI Wayan Windia; Suprodjo Pusposutardjo; Nyoman Sutawan; Putu Sudira; Sigit Supadmo Arif
SOCA: Jurnal Sosial Ekonomi Pertanian Vol. 5, No. 3 November 2005
Publisher : Program Studi Agribisnis, Fakultas Pertanian, Universitas Udayana Jalan PB.Sudirman Denpasar, Bali, Indonesia. Telp: (0361) 223544 Email: soca@unud.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (76.694 KB)

Subak system is a custom law community with socio-technical-religious characteristics,consists of a group of farmers that manage irrigation water at their irrigarted area (sawah).The existance of subak irrigation systems are dynamic, due to the socio-cultural conditionsof the society. Subak as a irrigation system which is based on Tri Hita Karana (THK)concept, is implemented on the system of irrigation in Bali. Its based on socio-technicalconcept which technologically integrated with the socio-cultural of the society.Furthermore, the form of subak system as an appropriate technology, is implemented onthe form of thinking-pattern, social system, and the development of artefax of the system.The final goals of the system are in order to achieve the harmony and togetherness in theirrigation management.

PENGEMBANGAN KONSEP SISTEM OPERASI DAN PEMELIHARAAN (O&P) DAERAH IRIGASI MULTIGUNA DENGAN MEMBANGUN KOMITMEN UNTUK BERBUAT KONSENSUS ANTAR PELAKU : SEBUAH KASUS DI JAWA TIMUR SIGIT SUPADMO ARIF; ABI PRABOWO; PURYANTO -; DJITO -
SOCA: Jurnal Sosial Ekonomi Pertanian Vol. 7, No. 2 Juli 2007
Publisher : Program Studi Agribisnis, Fakultas Pertanian, Universitas Udayana Jalan PB.Sudirman Denpasar, Bali, Indonesia. Telp: (0361) 223544 Email: soca@unud.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (99.345 KB)

ABSTRACT On May 2006, the Government of Republic Indonesia launched the Government Rule (GR) no 20/2006 on irrigation. This GR replaced the previous GR no 77/2001 in the same issue. The changing of GR means also changing of implementation policy. Some constraints problems occurred and came up to hamper policy implementation in the field. Most of them mainly related to the changing of institution structure. The paper aims to discuss how local government and Gadjah Mada University try to solve the problems by developing a concept of solution. In this connection a discussion forum among stakeholder was set up. In the forum, university as a neutral scientific institution does as facilitator. The concept was tried to be implemented in two multipurpose irrigation schemes i.e. Bondoyudo and Siman, respectively in the multi year’s basis. Those two schemes had several problems in irrigation management; one of them was conflict among users. In the first year some commitments and consensuses had already achieved by all stakeholders and would be implemented in the following years. Keywords: Irrigation, Policy, Concept, Discussion, Forum, Local Government, and University. ABSTRAK Peraturan Pemerintah No. 20/2006 tentang Irigasi telah dikeluarkan pada bulan Mei 2006 yang sekaligus menggantikan PP No. 77/2001. Penggantian tersebut berarti juga munculnya implementasi kebijakan baru yang akhirnya memunculkan beberapa permasalahan di lapangan, khususnya pada bidang institusional. Tulisan ini difokuskan pada peran Universitas Gadjah Mada sebagai fasilitator netral diskusi berbagai institusi pemerintah yang terkait dengan irigasi untuk saling berkomitmen menyelesaiakan permasalahan yang muncul setelah adanya PP No. 20/2006. Forum diskusi diterapkan di dua wilayah irigasi multiguna DI Bondoyudo (11.000 ha) dan DI Siman (22.000 ha). Multiguna menggambarkan sifat kemanfaatan air irigasi untuk pertanian tanaman pangan, ikan, tanaman perkebunan dan keperluan pabrik gula. Sifat multiguna yang terdapat dalam sistem irigasi di kedua DI akhirnya menimbulkan berbagai masalah bahkan konflik kepentingan diantara penggunanya. Pada tahun pertama penelitian (2006) telah dicapai komitmen diantara penggunanya. Kata kunci: Irigasi, Kebijakan, Konsep, Diskusi, Forum, Pemerintah Lokal, dan Universitas.

PERENCANAAN MANAJEMEN ASET IRIGASI (PMA): PENGEMBANGAN KONSEPSI DAN IMPLEMENTASINYA DI INDONESIA Sigit Supadmo Arif; Abi Prabowo; Anjar Suprapto; Judy Kurniawan
Jurnal Keteknikan Pertanian Vol. 21 No. 1 (2007): Jurnal Keteknikan Pertanian
Publisher : PERTETA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19028/jtep.021.1.%p

ABSTRACT The Government of Republic Indonesia had positively responded the emerging of new paradigm on irrigation management. Government Act No. 7/2004 on water resources as well as tile new Government Regulation No. 20/2006 on irrigation state about concept on good governance in management of water resources as well as irrigation management. One of implementation of the concept is application of irrigation management asset. The Department of Agricultural Engineering, Gadjah Mada University. Yogyakarta had been developed the concept of irrigation asset management plan since 1995. This paper aims to discuss the concept development and its implementation in several irrigation systems in Java. Even though some constraints were also found, in some extend the implementation of irrigation asset management plan could help the management of irrigation system in providing several information in transparent way to all stakeholder especially farmers. Diterima: 15 Pebruari 2007; Disetujui: 4 Maret 2007

Pembaharuan Konsep Prediksi Debit Andalan untuk Operasi dan Pemeliharaan Irigasi Modern Bayu Dwi Apri Nugroho; Sigit Supadmo Arif
Jurnal Irigasi Vol 14, No 1 (2019): Jurnal Irigasi
Publisher : Balai Teknik Irigasi

The management of conventional irrigation system, which is still being applied in the recent time is probabilistic, especially in analyzing discharge for planning of irrigation operation and maintenance. It can be seen from the process of exerted data analysis, which is two-week or ten-days empirical data analysis. Therefore, to change the management of conventional irrigation system into modern requires flexibly and real-time based due to climate change in Indonesia. The available discharge prediction analysis is done using mathematic model analysis as the replacement of probabilistic model and the use of real time observation data by utilizing automatic weather observation technology. This new concept has been attempted in Irrigation Area of Wadaslintang and Banyumas Regency, showing that automatic weather observation worked successfully and can be used as the data within mathematic model analysis. The result indicates that telemetry instruments work well as expected. The difference between the use of mathematic method of Artificial Neural Network (ANN) with probabilistic method of P80 shows that ANN method is closer to real compared to the probabilistic P80. It is shown with the validation result measured from January to August 2015. Overall, errors between water surcharge prediction with ANN and realisation is 77%. According to the results, it is suggested that dynamic mathematic measurement method is needed, due to dynamic condition of climate in spite of not neglecting probabilistic method as comparison.

Co-Authors Abi Prabowo Abi Prabowo Abi Prabowo Agung Prabowo Anditya Sridamar Pratyasta Anjar Suprapto Ansita Gupitakingkin Pradipta Ari Prabowo Bambang Purwantana Bayu Dwi Apri Nugroho Benito Heru Purwanto DJITO - Dyah Susilokarti Dyah Susilokarti Dyah Susilokarti Erni Romansyah Fathul Imron I WAYAN WINDIA Ika Purnamasari Irawadi Irawadi Isti Susilawati Judy Kurniawan Judy Kurniawan Lilik Sutiarso Lilik Sutiarso Lilik Sutiarso Lilik Sutiarso Lilik Sutiarso Lilik Sutiarso Maftukhah, Rizki Mahmud Achmad Moch Maksum Mochammad Maksum Muchamad Wahyu Trinugroho Murtiningrum Murtiningrum Nugroho Tri Waskitho Nuzul Hijri Darlan NYOMAN SUTAWAN P. Tamtomo PURYANTO - Putu Sudira Putu Sudira Putu Sudira Riki Andika Rochmad Basuki Sahid Susanto Sahid Susanto Sahid Susanto Sahid Susanto Saiful Rochdyanto Sri Redjeki Suci Ristiyana SUPRODJO PUSPOSUTARDJO Susilan Hidayat Tri Wahyu Saputra

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