Proceedings of the International Conference on Science and Technology (ICST 2018)

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The Selection of Rain Distribution Analysis Method in (Bengawan Solo Watershed)Downstream Sub-Watershed

Authors
Dina Limbong Pamuttu, Umboro Lasminto, Daud Andang Pasalli, Yuli Helena Margaritha Rada, Abner Doloksaribu
Corresponding Author
Dina Limbong Pamuttu
Available Online December 2018.
DOI
10.2991/icst-18.2018.87How to use a DOI?
Keywords
Downstream Sub Watershed of Bengawan Solo; Chi-Square; Smirnov Kolmogorov; Distribution Analysis
Abstract

Hydrological factor causes flood. Thus, it needs to be examined through rain frequency analysis by using continuous chance distribution. The location of this research is at the downstream sub-watershed of Bengawan Solo River. Average rainfall inflow area is calculated by Polygon Thiessen method with 19 (nineteen) different areas depending on the distribution of rain in each station. Frequency distribution analysis and its suitability test uses 2 instruments which are a Smirnov-Kolmogorof test and Chi-Square Test. The used distribution applications are Normal Distribution, Normal Log Distribution, Gumbel Distribution and Pearson III Log Distribution. The result of Chi-Square for normal and log normal distributions is 3,833, also Gumbel and log Pearson III distribution in amount of 1,333. The result of Smirnov-Kolmogorov for Dcritical normal distribution = 0,172, Dcritical normal log = 0,154, Dcritical Gumbel distribution = 0,119 and Dcritical log Pearson III distribution = 0,101. The four distributions are accepted but the best distribution is log Pearson III distribution.

Copyright
© 2018, the Authors. Published by Atlantis Press.
Open Access
This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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Volume Title
Proceedings of the International Conference on Science and Technology (ICST 2018)
Series
Atlantis Highlights in Engineering
Publication Date
December 2018
ISBN
10.2991/icst-18.2018.87
ISSN
2589-4943
DOI
10.2991/icst-18.2018.87How to use a DOI?
Copyright
© 2018, the Authors. Published by Atlantis Press.
Open Access
This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

Cite this article

risenwbib
TY  - CONF
AU  - Dina Limbong Pamuttu
AU  - Umboro Lasminto
AU  - Daud Andang Pasalli
AU  - Yuli Helena Margaritha Rada
AU  - Abner Doloksaribu
PY  - 2018/12
DA  - 2018/12
TI  - The Selection of Rain Distribution Analysis Method in (Bengawan Solo Watershed)Downstream Sub-Watershed
BT  - Proceedings of the International Conference on Science and Technology (ICST 2018)
PB  - Atlantis Press
SP  - 416
EP  - 420
SN  - 2589-4943
UR  - https://doi.org/10.2991/icst-18.2018.87
DO  - 10.2991/icst-18.2018.87
ID  - Pamuttu2018/12
ER  -