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All Journal Paduraksa : Jurnal Teknik Sipil Universitas Warmadewa Jurnal Sains Teknologi dan Lingkungan (JSTL) Jurnal Manajemen Aset Infrastruktur dan Fasilitas Journal of Science and Science Education (JoSSEd)
Hidayat, Syamsul
Jurusan Teknik Sipil, Fakultas Teknik, Universitas Mataram, Nusa Tenggara Barat
Agriculture, Biological Sciences & Forestry Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Library & Information Science Materials Science & Nanotechnology Mathematics Neuroscience Physics Public Health Social Sciences Transportation

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Model Runtut waktu untuk Peramalan Indeks Kekeringan Daerah Lombok Utara Humairo Saidah; I Wayan Yasa; Muh. Bagus Budianto; Syamsul Hidayat; I.D.G Jayanegara
JURNAL SAINS TEKNOLOGI & LINGKUNGAN Vol. 5 No. 2 (2019): JURNAL SAINS TEKNOLOGI & LINGKUNGAN
Publisher : LPPM Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (940.918 KB) | DOI: 10.29303/jstl.v5i2.130

Abstract

PDSI is the drought index method which has good accuracy to be applied in Lombok Island. However, this method is only able to hindcast the drought without any procedure to predict the drought index in the future. So, this model aims to recognize the characteristics of drought in North Lombok for early mitigation and anticipating drought disasters purposes in this region. The results obtained from this study are that the drought pattern in North Lombok has the SARIMA model of (0,1,2) (0,1,1)12. The drought in North Lombok mainly occurs between May-October with an increasing of drought index tends for over last 20 years.
ANALISIS PENGARUH VARIASI JARAK DAN TINGGI STIK SPRINKLER TERHADAP KINERJA IRIGASI PADA LUAS LAHAN TERBATAS I Dewa Gede Jaya Negara; Syamsul Hidayat; I Wayan Yasa; Ni Luh Ayu Aprilianti
PADURAKSA: Jurnal Teknik Sipil Universitas Warmadewa Vol. 10 No. 2 (2021)
Publisher : Program Studi Teknik Sipil, Fakultas Teknik dan Perencanaan, Universitas Warmadewa

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (487.709 KB) | DOI: 10.22225/pd.10.2.3398.350-360

Abstract

The conversion of agricultural land in urban areas has resulted in increasingly narrow agricultural land and many irrigation networks are not functioning. This has resulted in many isolated lands that cannot even be served by irrigation, so that the alternative source of agricultural water is local shallow ground well water. With the potential of water sources and limited land area, farming is expected to utilize water efficiently. Small sprinkler irrigation systems such as the 24D Netafim on the market, are expected to be an alternative in providing irrigation and for that it is necessary to test the ability of the irrigation system on the irrigation radius and its uniformity at a duration of 15 minutes. The test results showed that the irrigation uniformity was above 85% at the distance between sprinklers 4.5 m, 5 m and 5.5 m and 6 m with a stick height of 0.5 m and 0.75 m. For stick heights of 1.0 m and 1.25 m at the same sprinkler distance, the uniformity coefficient is less than 85%. While the optimal irrigation radius obtained at a sprinkler distance of 4.5 m, 5 m and 5.5 m is an average of 5.6 m.
Analisis Sedimentasi dari Pascabencana Banjir Sungai Belanting I.B. Giri Putra; Yusron Saadi; Lalu Wirahman; Salehudin Salehudin; Syamsul Hidayat
Jurnal Manajemen Aset Infrastruktur & Fasilitas Vol 3 (2019): Edisi Khusus 1 : Jurnal Manajemen Aset Infrastruktur & Fasilitas
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j26151847.v3i0.5190

Abstract

Banjir adalah bencana yang banyak terjadi. Sepanjang tahun 2016, 766 peristiwa banjir dan menyebabkan 147 orang meninggal, 107 orang terluka dan 2,72 juta orang diungsikan dari tempat tinggal mereka dan 30.669 rumah rusak. Rawan banjir banyak terjadi yang tidak pernah terjadi sebelumnya seperti Banjir di wilayah kota Bima dan daerah Belanting dll.Topan tropis Yvette yang sekarang terletak di Samudra Hindia sekitar 620 km selatan Denpasar bergerak ke Timur Laut menyebabkan curah hujan yang tinggi di wilayah Indonesia selatan dan hujan yang lebih ekstrim di Nusa Tenggara Barat terutama di daerah Bima, daerah Sumbawa dan daerah Belanting di bagian timur Lombok distrik.Untuk mengendalikan energi yang dihancurkan air diperlukan penanganan non fisik melalui Konservasi, menjaga ketersediaan, keberlanjutan, karakteristik dan fungsi air untuk menjaga kuantitas dan kualitas air. Hal yang paling mendesak saat ini adalah mengidentifikasi jumlah sedimen setelah banjir bandang berdasarkan transportasi sedimen dan membuat peta data dasar sungai. Peta-peta ini berisi informasi laju transpor sedimen yang terisi dalam kurva laju sedimen untuk digunakan sebagai pedoman untuk menangani setiap kondisi sungai.Hasil penelitian diperoleh volume sedimen dasar sungai Volume Belanting maksimum yang langsung ditinjau dan diamati adalah 28.623 M3 / hari dan persamaan Kurva aliran sungai Belanting yang diamati berdasarkan kondisi debit momen yang terjadi selama penelitian adalah debit aliran yang lebih besar, Qw = 3.304 m3 / dt, sehingga hasil perhitungan transpor material sedimen pada musim kemarau sangat sedikit dibandingkan dengan Sediment Discharge untuk digunakan sebagai material Galian C.
Assessment of Duration and Frequency of Drought by Percent Normal Precipitation Index (PNPI) for Lombok Island Humairo Saidah; Muh. Bagus Budianto; I Wayan Yasa; Syamsul Hidayat; I Dewa Gede Jaya Negara; Heri Sulistiyono
Journal of Science and Science Education Vol. 3 No. 1 (2022): April
Publisher : Pascasarjana, Mataram University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (939.311 KB) | DOI: 10.29303/jossed.v3i1.1452

Abstract

Meteorological drought is a climatic condition categorized by a scarcity of rainfall. Understanding the drought characteristics is a significant step appointed uncertain climate conditions due to current global climate change. This study aims to assess the duration and frequency of drought using the Normal Precipitation Index (PNPI) method to identify drought characteristics in the study area. The PNPI revealed a spatial variation in percent value monthly rainfall to average rainfall across the island of Lombok that prolonged and severe droughts have occurred in entire study areas with varying duration and frequency. PNPI method in analyzing drought events in the island of Lombok showed that Sopak is the driest area and Sekotong is the wettest one
Co-Authors Heri Sulistiyono Humairo Saidah I Dewa Gede Jaya Negara I Dewa Gede Jaya Negara I Wayan Yasa I Wayan Yasa I.B. Giri Putra I.D.G Jayanegara Lalu Wirahman Muh. Bagus Budianto Muh. Bagus Budianto Ni Luh Ayu Aprilianti Salehudin Salehudin Yusron Saadi