Analisa Distribusi Curah Hujan di Area Merapi Menggunakan Metode Aritmatika Dan Poligon
Watershed (DAS) at the peak of Merapi is very interesting to examine in case of the relation with debris flow due to vomit material from Mount Merapi. In this article reveals the pattern of rainfall distribution, the difference in precipitation every month, rainfall for the period of 5 years, 10 yea...
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| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
Universitas Negeri Semarang
2017-01-01
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| Series: | Jurnal Teknik Sipil dan Perencanaan |
| Subjects: | |
| Online Access: | https://journal.unnes.ac.id/nju/index.php/jtsp/article/view/9497/6165 |
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| Summary: | Watershed (DAS) at the peak of Merapi is very interesting to examine in case of the relation with debris flow due to vomit material from Mount Merapi. In this article reveals the pattern of rainfall distribution, the difference in precipitation every month, rainfall for the period of 5 years, 10 years, 25 years, and 50 years in the area of Merapi and its effect on the behavior of a watershed in the Merapi area. In this study, the rainfall data validity test was conducted by RAPS (rescaled Adjusted Partial Sums). Analysis of the region rain is calculated using arithmetic method or average Algebra and Thiessen Polygon. While Gumbel Distribution, Normal Distribution, Log-Normal Distribution and Distribution Log-Pearson III was used to analyze the pattern of rainfall distribution. Furthermore, to determine the appropriate distribution patterns were analyzed using the chi-squared test and test-Kolmogorof Smirnov. Calculate the intensity of rainfall at a specific time duration using the formula Mononobe. |
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| ISSN: | 1411-1772 2503-1899 |