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Asnita Virlayani
Muhammadiyah University of Makassar

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PERENCANAAN SALURAN SEKUNDER IRIGASI PADANG LEMPE DAERAH IRIGASI PANGKEP Devi Arfanita; Putri Anwar; Mahmuddin; Asnita Virlayani
TEKNIK HIDRO Vol. 19 No. 2 (2026): Teknik Hidro Agustus 2026
Publisher : Universitas Muhammadiyah Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26618/t65scn98

Abstract

Abstrak Irigasi merupakan bagian penting dalam mendukung produktivitas pertanian melalui penyediaan dan pengaturan air sesuai kebutuhan tanaman. Kinerja sistem irigasi sangat dipengaruhi oleh kemampuan saluran dalam mengalirkan debit secara efektif dan aman. Penelitian ini bertujuan untuk menganalisis saluran irigasi berdasarkan kriteria hidraulika serta menentukan alternatif penanganan yang sesuai pada Daerah Irigasi Tabo-Tabo, Kabupaten Pangkep. Penelitian dilakukan selama dua bulan dengan menggunakan metode analisis hidrologi, analisis hidraulika, dan Analytic Hierarchy Process (AHP). Analisis hidrologi digunakan untuk menentukan debit rencana, sedangkan analisis hidraulika digunakan untuk mengevaluasi kapasitas dan dimensi saluran berdasarkan kondisi aliran. Metode AHP digunakan untuk menentukan alternatif berdasarkan beberapa kriteria yang dipertimbangkan secara sistematis. Hasil penelitian menunjukkan bahwa debit rencana banjir sebesar 0,302 m³/det, sedangkan kapasitas debit saluran hasil perencanaan sebesar 0,797 m³/det. Nilai tersebut menunjukkan bahwa kapasitas saluran mampu menampung debit rencana dengan baik. Hasil penelitian ini diharapkan dapat menjadi dasar dalam perencanaan, evaluasi, dan peningkatan kinerja sistem irigasi di Daerah Irigasi Tabo-Tabo, Kabupaten Pangkep.  Kata kunci: irigasi, saluran irigasi, analisis hidraulika, debit rencana, AHP, Tabo-Tabo.   Abstract  Irrigation is an important part of supporting agricultural productivity through the provision and regulation of water according to the needs of plants. The performance of the irrigation system is greatly influenced by the ability of the channel to drain the discharge effectively and safely. This study aims to analyze irrigation canals based on hydraulic criteria and determine appropriate handling alternatives in the Tabo-Tabo Irrigation Area, Pangkep Regency. The research was conducted for two months using hydrological analysis, hydraulic analysis, and Analytic Hierarchy Process (AHP) methods. Hydrological analysis is used to determine the discharge plan, while hydraulic analysis is used to evaluate the capacity and dimensions of the channel based on flow conditions. The AHP method is used to determine alternatives based on several criteria that are considered systematically. The results showed that the discharge of the flood plan was 0.302 m³/sec, while the discharge capacity of the planned channel was 0.797 m³/sec. This value indicates that the capacity of the channel is able to accommodate the plan's discharge well. The results of this study are expected to be the basis for planning, evaluating, and improving the performance of the irrigation system in the Tabo-Tabo Irrigation Area, Pangkep Regency.  Keywords: irrigation, irrigation canals, hydraulic analysis, plan discharge, AHP, Tabo-Tabo.