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EDITOR IN CHIEF Gerald H. Tamuntuan, Universitas Sam Ratulangi, Indonesia MANAGING EDITOR Verna A. Suoth, Universitas Sam Ratulangi, Indonesia BOARD OF EDITOR Audy Wuntu, Fakultas MIPA Univesitas Sam Ratulangi BOARD OF EDITOR Nio Song Ai, Universitas Sam Ratulangi, Indonesia BOARD OF EDITOR Nelson Naingolang, Universitas Sam Ratulangi, Indonesia
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Jurnal MIPA
Published by Universitas Sam Ratulangi
ISSN : -     EISSN : 23023899     DOI : https://doi.org/10.35799/jmuo.10.2.2021.33592
Core Subject : Science, Education,
Biochemistry, Genetics & Molecular Biology Chemistry Mathematics Physics
Jurnal MIPA menjadi sarana publikasi bagi akademisi dan peneliti. Jurnal MIPA mempublikasikan artikel hasil penelitian di bidang : Matematika Fisika Biologi Kimia
Arjuna Subject : Umum - Umum
Articles 11 Documents
 1   2 
Search results for , issue "Vol 5, No 2 (2016)" : 11 Documents clear
Pemanfaatan Logika Fuzzy Untuk Sistem Prediksi Banjir Gani, Ernawatil; Kolibu, Hesky S.; Tamuntuan, Gerald H.
Jurnal MIPA Vol 5, No 2 (2016)
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35799/jm.5.2.2016.12965

Abstract

Iklim merupakan salah satu isu penting dunia saat ini, terjadi karena adanya proses hukum alam yang sesuai dengan keseimbangan dari tiap kondisi daerah. Dampak negatif yang sering dirasakan berkaitan dengan iklim adalah timbulnya bencana alam, seperti banjir. Penelitian untuk prediksi banjir digunakan empat variabel masukan yaitu luas penampang, tingkat kemiringan lereng DAS, intensitas curah hujan dan koefisien limpasan aliran sungai. Model logika yang digunakan untuk pengolahan masukan adalah model mamdani. Hasil menunjukkan bahwa banjir terjadi pada level III dengan kombinasi dengan kombinasi luas penampang sempit (0-40 m2), kemiringan lereng landai (0-8%), curah hujan lebat (12,6-50 mm/jam) dan koefisien limpasan tinggi (11-25). Ancaman banjir terjadi pada level II dengan kombinasi luas penampang melebar (41-60 m2), kemiringan lereng landai (0-8 %), curah hujan lebat (12,6-50 mm/jam) dan koefisien limpasan sedang (0,26-10).The climate is one important issues of the world today, because of the process of natural law in accordance with the balance of any conditions in the area. The negative impacts are often felt the climate was associated with the incidence of natural disasters, such as floods. The research for flood forecast used four input variable that is profile area,  slope level of drainage basin, rainfall intensity  and river flow runoff coefficient. The logical model that has been used for data processing is mamdani’s model. The results showed that flood occur at level III with the combinations of narrow profile area (0-40 m2), edge slope (0-8%), heavy rainfall (12,6-50 mm/jam) and high runoff coefficient (11-25). Flood threat occur at level II with the combinations of narrow profile area (41-60 m2), edge slope (0-8%), heavy rainfall (12,6-50 mm/jam) and medium runoff coefficient (0,26-10).

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