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      Pemodelan Curah Hujan Kabupaten Tabanan Menggunakan Seasonal Autoregressive Integrated Moving Average

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      Date
      2025
      Author
      Fauzia, Syifa
      Setiawaty, Berlian
      Budiarti, Retno
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      Abstract
      Indonesia dikenal sebagai negara agraris karena mayoritas penduduknya bekerja sebagai petani. Pertanian sangat dipengaruhi oleh perubahan iklim dengan risiko iklim ekstrem seperti banjir dan kekeringan yang memiliki dampak besar pada bidang pertanian. Oleh karena itu, dibutuhkan pemodelan curah hujan Kabupaten Tabanan untuk membantu petani dalam banyak aspek pertanian, seperti penentuan jadwal tanam yang optimal, memperkirakan kebutuhan irigasi, hingga mengantisipasi risiko yang mungkin akan timbul akibat anomali cuaca. Penelitian ini menggunakan metode Seasonal Autoregressive Integrated Moving Average. Pemodelan dilakukan pada data curah hujan 15-harian pada periode 2010 hingga 2023 di Kabupaten Tabanan, Bali. Hasil penelitian menunjukkan bahwa model terbaik adalah SARIMA(2,0,0)(0,1,1)24 dengan nilai MAPE untuk data training sebesar 8,99% dan 9,64% untuk data testing. Dapat disimpulkan bahwa model SARIMA memiliki akurasi yang sangat baik dalam memodelkan curah hujan Kabupaten Tabanan.
       
      Indonesia is known as an agricultural country as the majority of its population work as farmers. Agriculture is greatly affected by climate change with the risk of extreme climates such as floods and droughts that have a major impact on agriculture. Therefore, rainfall modeling of Tabanan Regency is needed to assist farmers in many aspects of agriculture, such as determining the optimal planting schedule, estimating irrigation needs, and anticipating risks that may arise due to weather anomalies. This research uses the Seasonal Autoregressive Integrated Moving Average method. Modelling was conducted on 15-day rainfall data for the period 2010 to 2023 in Tabanan Regency, Bali. The results showed that the best model is SARIMA(2,0,0)(0,1,1)24 with a MAPE value for training data of 8,99% and 9,64% for testing data. It can be concluded that the SARIMA model has very good accuracy in modeling rainfall in Tabanan Regency.
       
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      http://repository.ipb.ac.id/handle/123456789/161628
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      • UT - Actuaria [205]

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      Copyright © 2020 Library of IPB University
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      Contact Us | Send Feedback
      Indonesia DSpace Group 
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      Universitas Jember Digital Repository