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All Journal Jurnal Penelitian Pendidikan Sejarah UHO Jurnal Akademika Kimia JIKAP PGSD: Jurnal Ilmiah Ilmu Kependidikan Jurnal Altifani Penelitian dan Pengabdian kepada Masyarakat Jurnal Pendidikan dan Pembelajaran Sekolah Dasar (JPPSD) Jurnal Ilmiah Pendidikan Dasar (JIPDAS) Bestari: Jurnal Pendidikan dan Kebudayaan Jurnal Sains dan Teknologi Tadulako Seminar Nasional Hasil Penelitian LP2M UNM Journal International Dakwah and Communication Journal of Teaching and Education Journal of Teaching and Education Jurnal Hasil-Hasil Pengabdian dan Pemberdayaan Masyarakat (JHP2M) Macca: Science-Edu Journal Journal of Community Service IJoEd: Indonesian Journal on Education
sitti rahmi, sitti
Bimbingan dan Konseling, Universitas Borneo Tarakan
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TWO-DIMENSIONAL WATER SURFACE PROFILE ANALYSIS AT THE BEND OF PALU RIVER SEGMENT SP 304–SP 318 USING SMS AQUAVEO (RMA2 MODULE) Nur, Nur Hidayat; Bariroh, Nina; Rahmi, Sitti; Tunas, I Gede; Andiese, Vera W; Warliawati, Sri
Jurnal Sains dan Teknologi Tadulako Vol 12 No 1 (2026): April 2026
Publisher : Postgraduate Tadulako University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/jstt.v12i1.1051

Abstract

River bends are hydraulically complex zones characterised by centrifugal-force-driven secondary currents that produce differential water surface elevations, asymmetric velocity distributions, and lateral sediment transport. This study presents a two-dimensional (2D) hydrodynamic analysis of the water surface profile along a meandering reach of the Palu River (SP 304–SP 318), located in Tulo Village, Dolo District, Sigi Regency, Central Sulawesi, Indonesia. The RMA2 finite-element module within the Surface Modelling System (SMS) Aquaveo was employed. A 50-year return-period flood discharge (Q₅₀ = 387.85 m³/s) was estimated using the Snyder Synthetic Unit Hydrograph method, based on 15 years (2007–2021) of daily rainfall data from three meteorological stations. The Log Pearson Type III distribution was selected through Chi-square goodness-of-fit tests. A triangular 2D mesh at 5 m spacing was constructed in UTM Zone 49 WGS84 coordinates, and model calibration yielded a Manning roughness coefficient n = 0.01, matching the field-measured mid-channel velocity of 0.20 m/s. Under Q₅₀ conditions, the simulated maximum flow velocity is 2.88 m/s (SP 313–SP 314, pre-bend segment), maximum water depth is 3.408 m (outer bank), and the highest water surface elevation is 26.831 m above sea level (upstream boundary). The outer bank consistently exhibits higher velocities and water surface elevations than the inner bank, confirming superelevation and active scour at the concave bank. These findings provide critical hydrodynamic data for river bank protection and flood management planning along the Palu River corridor.
HUBUNGAN SELF EFFICACY DENGAN HASIL BELAJAR IPAS SISWA KELAS V SD INPRES 6/75 MANURUNGE KECAMATAN TANETE RIATTANG KABUPATEN BONE Sudirman, Sudirman; Rahmi, Sitti; Hamzah, Hardianty
Jurnal Ilmiah Pendidikan Dasar (JIPDAS) Vol 6 No 1 (2026): Vol. 6 No. 1 Edisi Februari 2026
Publisher : Program Studi Pendidikan Guru Sekolah Dasar Fakultas Pendidikan Ilmu Pengetahuan Sosial dan Bahasa Institut Pendidikan Tapanuli Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37081/jipdas.v6i1.4322

Abstract

Penelitian ini bertujuan untuk menguji hubungan antara self-efficacy dengan hasil belajar Ilmu Pengetahuan Alam dan Sosial (IPAS) pada siswa kelas V SD Inpres 6/75 Manurunge, Kecamatan Tanete Riattang, Kabupaten Bone. Penelitian ini menggunakan pendekatan kuantitatif dengan jenis penelitian korelasional. Populasi penelitian adalah seluruh siswa SD Inpres 6/75 Manurunge, sedangkan sampel terdiri atas 46 siswa kelas V yang dipilih melalui teknik multistage cluster sampling. Instrumen pengumpulan data berupa angket self-efficacy dan dokumentasi hasil belajar IPAS. Analisis data dilakukan secara deskriptif dan inferensial. Hasil analisis deskriptif menunjukkan bahwa self-efficacy siswa berada pada kategori sedang dengan rata-rata skor 88,78, sementara hasil belajar IPAS berada pada kategori rendah dengan rata-rata skor 77,72. Analisis inferensial menggunakan uji korelasi Pearson menunjukkan nilai koefisien korelasi sebesar 0,500 dengan signifikansi 0,000 (p < 0,05), yang mengindikasikan adanya hubungan yang signifikan antara self-efficacy dan hasil belajar IPAS. Hubungan tersebut berada pada kategori sedang. Temuan ini menegaskan pentingnya penguatan self-efficacy sebagai salah satu faktor yang dapat mendukung pencapaian hasil belajar siswa di tingkat sekolah dasar.
Co-Authors Abd Kadir, Abd Amalia, Kalvi Amirullah, Muhammad Andiese, Vera W Angri Lismayani Arnis, Arnis Aswar Aswar Awaluddin Muin, Awaluddin Bariroh, Nina Batia, La Dilla, Nadila Faidah Yusuf Fajrin, Andi Aulia Farahim, Putri Anggun Nur Firdaus Firdaus Fitriana Fitriana Fitriani Fitriani Hafid, Abd Hamzah, Ahmad Hamzah, Hardianty I Gede Tunas Imaniah Arifuddin, A. Anisyah Imaniah Jafar, Muh. Idris jafar, muhammad idris Muhammad Agus Muljanto Nur, Nur Hidayat Nurul, Nurul Hidayah Nurwahida Alimuddin Rahman, Hardianto Rosmalah Rosmalah, Rosmalah Rukayah Rukayah Solfarina, Solfarina Sudirman Sudirman SULISTIANI Wahda, Muhammad Akhsa Warliawati, Sri Winanda, Wirda Zulfikri Zulfikri, Zulfikri