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All Journal Jurnal Teknik Pengairan: Journal of Water Resources Engineering Jurnal Penyuluhan Perikanan dan Kelautan
Agung Rahmadi
Universitas Ahmad Dahlan
Agriculture, Biological Sciences & Forestry Humanities Engineering

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Model-Model Pembangkitan Data Sintetis Untuk Curah Hujan Harian Di Wilayah Brantas Tengah Soetopo, Widandi; Limantara, Lily Montarcih; Sayekti, Rini Wahyu; Purwati, Endang; Chandrasasi, Dian; Ilham, Muhammad; Rahmadi, Agung
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol 4, No 1 (2013)
Publisher : Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1062.223 KB)

Abstract

This research is for finding the suitable the synthetic data generating model for daily rainfall in the region of Middle Brantas River Basin in the East Java Province. There are 7 models being considered, 4 models for single-site generation, (1) the two-part, model group, (2) the transition probability matrix model group, (3) the resampling model group, and (4) the time series model group, and 3 models for multisite generation, (5) the conditional, model group, (6) the extension of single site Markov chain model group, and (7) the random cascade model group. All of the time-series produced by the daily rainfall synthetic data generation are then tested statistically. The results show that statistically the differences between the historical time series and the synthetically time series are not too significant. It turn out that the multisite model have produced better synthetic time series compared to those which have been produced by the single-site models.Keywords: generating model, synthetic data, daily rainfall.
Model-Model Pembangkitan Data Sintetis Untuk Curah Hujan Harian Di Wilayah Brantas Tengah Soetopo, Widandi; Limantara, Lily Montarcih; Sayekti, Rini Wahyu; Purwati, Endang; Chandrasasi, Dian; Ilham, Muhammad; Rahmadi, Agung
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol 6, No 1 (2015)
Publisher : Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (255.741 KB)

Abstract

This research is for finding the suitable synthetic daily rainfall generating model in the Middle Brantas River Basin - East Java. There are 7 models being considered, 4 single-site models, (1) the two-part, (2) the transition probability matrix, (3) the resampling, and (4) the time series, and 3 multisite models, (5) the conditional, (6) the extension of single site Markov chain, and (7) the random cascade. All time-series produced by the models are then tested statistically. The results show that the differences between the historial time series and the synthetical time series are not too significant. It turn out that the synthetic time series of multisite models are better than the synthetic time series of single-site models.Keywords: generating model, synthetic data, daily rainfall.
Analisis Potensi Wilayah Perikanan di Kecamatan Mlati, Kabupaten Sleman Provinsi Yogyakarta Wiryati, Ganjar; Rahmadi, Agung; Sunaryo, Ade; Ilhamdi, Ilhamdi
Jurnal Penyuluhan Perikanan dan Kelautan Vol 19, No 3 (2025)
Publisher : Program Studi Penyuluhan Perikanan Politeknik Ahli Usaha Perikanan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33378/jppik.v19i3.577

Abstract

Tujuan dari penelitian ini adalah untuk memperoleh data dan informasi  potensi wilayah perikanan meliputi sistem produksi perikanan, sistem usaha dan bisnis perikanan serta sistem penyuluhan perikanan di Kecamatan Mlati.   Penelitian dilakukan pada tanggal 25 September 2023 sampai dengan 8 November 2023; dengan metode penelitian secara deskriftif merupakan hasil observasi dan wawancara, dengan masyarakat. Hasil penelitian  menunjukkan bahwa  kecamatan Mlati memiliki potensi wilayah perikanan yang cukup besar  hal ini di tunjukan dengan  kondisi sumber daya alam, sumber daya manusia dan sumber daya pendukung, teritegrasi dalam kelancaran aktivitas  perikanan. Dengan daya dukung dan ketersediaan  lahan pada saat ini total seluas  28,53 km2, yang baru di manfaatkan untuk kegiatan perikanan baru 3,10 km2, dengan komoditas unggulan  ikan nila (Oreochromis niloticus), ikan gurame (Osphronemus goramy), ikan bawal (Colossoma macropum), ikan lele (Clarias sp), sumber pengairan berasal dari  lima sungai, yaitu: sungai Kenteng, Nglarang, Bedong, Denggung, Wingongo dan Code.  Penduduk Kecamatan Mlati pada akhir tahun 2023 berdasarkan catatan dari  Dinas Kependudukan dan Catatan Sipil Kabupaten Sleman sebanyak 93,721 Jumlah RTP (Rumah Tangga Perikanan) 1.686 RTP.
Co-Authors Dian Chandrasasi Endang Purwati RN Ilhamdi, Ilhamdi Lily Montarcih Limantara Muhammad Ilham Rini Wahyu Sayekti Sunaryo, Ade Widandi Soetopo Wiryati, Ganjar