Hydrological Analysis and Peak Runoff Determination in Basaka River Sub-Watershed, Abbay Basin, Ethiopia Using Gumbel’s and SCS Methods Respectively

Gemechu Mosisa; Kuma Abebe; Yadesa Wakena

doi:doi:10.11648/j.wros.20231202.11

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Hydrological Analysis and Peak Runoff Determination in Basaka River Sub-Watershed, Abbay Basin, Ethiopia Using Gumbel’s and SCS Methods Respectively

Gemechu Mosisa^*, Kuma Abebe, Yadesa Wakena

Published in Journal of Water Resources and Ocean Science (Volume 12, Issue 2)

Received: 9 October 2023 Accepted: 25 October 2023 Published: 11 November 2023

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Abstract

Peak runoff determination is one of the most important studies for the design of hydraulic structures which is used for different purposes like irrigation, water supplies, hydropower, and bridge structure. The amount of runoff produced and rainfall received determine the development of water resources in any region. The purpose of hydrologic design is to estimate the maximum, average, or minimum flood that the structure is expected to handle. Hydrological analysis has been conducted based on 33 years of maximum daily rainfall data. An important step in the analysis of rainfall occurrence is to choose an appropriate distribution to represent the depth of rainfall to study rainfall. Nekemte meteorological station was used for maximum rainfall estimation by gumbles distribution method of 50 & 100 years return period which is 132 & 142mm; while for generation of peak runoff by using soil conservation service (SCS) method which is 238 & 263m3/s respectively for Basaka sub-watershed. Conversely, the SCS method is recommended to estimate the ordinate required for the development of peak runoff hydrograph in the river sub-watershed because it utilized additional morphometric parameters such as watershed slope and the curve number (CN) which is a function of the properties of the soil and vegetation cover of the watershed. Basaka sub-watershed delineation analysis was done by GIS 10.8 and it covers a drainage area of about 58km2.

Published in	Journal of Water Resources and Ocean Science (Volume 12, Issue 2)
DOI	10.11648/j.wros.20231202.11
Page(s)	23-30
Creative Commons	This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Copyright	Copyright © The Author(s), 2023. Published by Science Publishing Group

Keywords

SCS, Gumbel, Basaka Sub-Watershed, Peak Runoff, Maximum Rainfall

References

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[17]	T. Ephrem, “Flood Embankment Design, Operation And Maintenance Manual In Ethiopia,” 2010.
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APA Style

Mosisa, G., Abebe, K., Wakena, Y. (2023). Hydrological Analysis and Peak Runoff Determination in Basaka River Sub-Watershed, Abbay Basin, Ethiopia Using Gumbel’s and SCS Methods Respectively. Journal of Water Resources and Ocean Science, 12(2), 23-30. https://doi.org/10.11648/j.wros.20231202.11

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ACS Style

Mosisa, G.; Abebe, K.; Wakena, Y. Hydrological Analysis and Peak Runoff Determination in Basaka River Sub-Watershed, Abbay Basin, Ethiopia Using Gumbel’s and SCS Methods Respectively. J. Water Resour. Ocean Sci. 2023, 12(2), 23-30. doi: 10.11648/j.wros.20231202.11

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AMA Style

Mosisa G, Abebe K, Wakena Y. Hydrological Analysis and Peak Runoff Determination in Basaka River Sub-Watershed, Abbay Basin, Ethiopia Using Gumbel’s and SCS Methods Respectively. J Water Resour Ocean Sci. 2023;12(2):23-30. doi: 10.11648/j.wros.20231202.11

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@article{10.11648/j.wros.20231202.11,
  author = {Gemechu Mosisa and Kuma Abebe and Yadesa Wakena},
  title = {Hydrological Analysis and Peak Runoff Determination in Basaka River Sub-Watershed, Abbay Basin, Ethiopia Using Gumbel’s and SCS Methods Respectively},
  journal = {Journal of Water Resources and Ocean Science},
  volume = {12},
  number = {2},
  pages = {23-30},
  doi = {10.11648/j.wros.20231202.11},
  url = {https://doi.org/10.11648/j.wros.20231202.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.wros.20231202.11},
  abstract = {Peak runoff determination is one of the most important studies for the design of hydraulic structures which is used for different purposes like irrigation, water supplies, hydropower, and bridge structure. The amount of runoff produced and rainfall received determine the development of water resources in any region. The purpose of hydrologic design is to estimate the maximum, average, or minimum flood that the structure is expected to handle. Hydrological analysis has been conducted based on 33 years of maximum daily rainfall data. An important step in the analysis of rainfall occurrence is to choose an appropriate distribution to represent the depth of rainfall to study rainfall. Nekemte meteorological station was used for maximum rainfall estimation by gumbles distribution method of 50 & 100 years return period which is 132 & 142mm; while for generation of peak runoff by using soil conservation service (SCS) method which is 238 & 263m3/s respectively for Basaka sub-watershed. Conversely, the SCS method is recommended to estimate the ordinate required for the development of peak runoff hydrograph in the river sub-watershed because it utilized additional morphometric parameters such as watershed slope and the curve number (CN) which is a function of the properties of the soil and vegetation cover of the watershed. Basaka sub-watershed delineation analysis was done by GIS 10.8 and it covers a drainage area of about 58km2.
},
 year = {2023}
}

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TY  - JOUR
T1  - Hydrological Analysis and Peak Runoff Determination in Basaka River Sub-Watershed, Abbay Basin, Ethiopia Using Gumbel’s and SCS Methods Respectively
AU  - Gemechu Mosisa
AU  - Kuma Abebe
AU  - Yadesa Wakena
Y1  - 2023/11/11
PY  - 2023
N1  - https://doi.org/10.11648/j.wros.20231202.11
DO  - 10.11648/j.wros.20231202.11
T2  - Journal of Water Resources and Ocean Science
JF  - Journal of Water Resources and Ocean Science
JO  - Journal of Water Resources and Ocean Science
SP  - 23
EP  - 30
PB  - Science Publishing Group
SN  - 2328-7993
UR  - https://doi.org/10.11648/j.wros.20231202.11
AB  - Peak runoff determination is one of the most important studies for the design of hydraulic structures which is used for different purposes like irrigation, water supplies, hydropower, and bridge structure. The amount of runoff produced and rainfall received determine the development of water resources in any region. The purpose of hydrologic design is to estimate the maximum, average, or minimum flood that the structure is expected to handle. Hydrological analysis has been conducted based on 33 years of maximum daily rainfall data. An important step in the analysis of rainfall occurrence is to choose an appropriate distribution to represent the depth of rainfall to study rainfall. Nekemte meteorological station was used for maximum rainfall estimation by gumbles distribution method of 50 & 100 years return period which is 132 & 142mm; while for generation of peak runoff by using soil conservation service (SCS) method which is 238 & 263m3/s respectively for Basaka sub-watershed. Conversely, the SCS method is recommended to estimate the ordinate required for the development of peak runoff hydrograph in the river sub-watershed because it utilized additional morphometric parameters such as watershed slope and the curve number (CN) which is a function of the properties of the soil and vegetation cover of the watershed. Basaka sub-watershed delineation analysis was done by GIS 10.8 and it covers a drainage area of about 58km2.

VL  - 12
IS  - 2
ER  -

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Author Information

Gemechu Mosisa

Department of Hydraulic and Water Resource Engineering, College of Engineering and Technology, Wallaga University, Nekemte, Ethiopia

Contact Email
Kuma Abebe

Department of Hydraulic and Water Resource Engineering, College of Engineering and Technology, Wallaga University, Nekemte, Ethiopia

Contact Email
Yadesa Wakena

Department of Hydraulic and Water Resource Engineering, College of Engineering and Technology, Wallaga University, Nekemte, Ethiopia

Contact Email

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APA Style

Mosisa, G., Abebe, K., Wakena, Y. (2023). Hydrological Analysis and Peak Runoff Determination in Basaka River Sub-Watershed, Abbay Basin, Ethiopia Using Gumbel’s and SCS Methods Respectively. Journal of Water Resources and Ocean Science, 12(2), 23-30. https://doi.org/10.11648/j.wros.20231202.11

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ACS Style

Mosisa, G.; Abebe, K.; Wakena, Y. Hydrological Analysis and Peak Runoff Determination in Basaka River Sub-Watershed, Abbay Basin, Ethiopia Using Gumbel’s and SCS Methods Respectively. J. Water Resour. Ocean Sci. 2023, 12(2), 23-30. doi: 10.11648/j.wros.20231202.11

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AMA Style

Mosisa G, Abebe K, Wakena Y. Hydrological Analysis and Peak Runoff Determination in Basaka River Sub-Watershed, Abbay Basin, Ethiopia Using Gumbel’s and SCS Methods Respectively. J Water Resour Ocean Sci. 2023;12(2):23-30. doi: 10.11648/j.wros.20231202.11

Copy | Download

@article{10.11648/j.wros.20231202.11,
  author = {Gemechu Mosisa and Kuma Abebe and Yadesa Wakena},
  title = {Hydrological Analysis and Peak Runoff Determination in Basaka River Sub-Watershed, Abbay Basin, Ethiopia Using Gumbel’s and SCS Methods Respectively},
  journal = {Journal of Water Resources and Ocean Science},
  volume = {12},
  number = {2},
  pages = {23-30},
  doi = {10.11648/j.wros.20231202.11},
  url = {https://doi.org/10.11648/j.wros.20231202.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.wros.20231202.11},
  abstract = {Peak runoff determination is one of the most important studies for the design of hydraulic structures which is used for different purposes like irrigation, water supplies, hydropower, and bridge structure. The amount of runoff produced and rainfall received determine the development of water resources in any region. The purpose of hydrologic design is to estimate the maximum, average, or minimum flood that the structure is expected to handle. Hydrological analysis has been conducted based on 33 years of maximum daily rainfall data. An important step in the analysis of rainfall occurrence is to choose an appropriate distribution to represent the depth of rainfall to study rainfall. Nekemte meteorological station was used for maximum rainfall estimation by gumbles distribution method of 50 & 100 years return period which is 132 & 142mm; while for generation of peak runoff by using soil conservation service (SCS) method which is 238 & 263m3/s respectively for Basaka sub-watershed. Conversely, the SCS method is recommended to estimate the ordinate required for the development of peak runoff hydrograph in the river sub-watershed because it utilized additional morphometric parameters such as watershed slope and the curve number (CN) which is a function of the properties of the soil and vegetation cover of the watershed. Basaka sub-watershed delineation analysis was done by GIS 10.8 and it covers a drainage area of about 58km2.
},
 year = {2023}
}

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TY  - JOUR
T1  - Hydrological Analysis and Peak Runoff Determination in Basaka River Sub-Watershed, Abbay Basin, Ethiopia Using Gumbel’s and SCS Methods Respectively
AU  - Gemechu Mosisa
AU  - Kuma Abebe
AU  - Yadesa Wakena
Y1  - 2023/11/11
PY  - 2023
N1  - https://doi.org/10.11648/j.wros.20231202.11
DO  - 10.11648/j.wros.20231202.11
T2  - Journal of Water Resources and Ocean Science
JF  - Journal of Water Resources and Ocean Science
JO  - Journal of Water Resources and Ocean Science
SP  - 23
EP  - 30
PB  - Science Publishing Group
SN  - 2328-7993
UR  - https://doi.org/10.11648/j.wros.20231202.11
AB  - Peak runoff determination is one of the most important studies for the design of hydraulic structures which is used for different purposes like irrigation, water supplies, hydropower, and bridge structure. The amount of runoff produced and rainfall received determine the development of water resources in any region. The purpose of hydrologic design is to estimate the maximum, average, or minimum flood that the structure is expected to handle. Hydrological analysis has been conducted based on 33 years of maximum daily rainfall data. An important step in the analysis of rainfall occurrence is to choose an appropriate distribution to represent the depth of rainfall to study rainfall. Nekemte meteorological station was used for maximum rainfall estimation by gumbles distribution method of 50 & 100 years return period which is 132 & 142mm; while for generation of peak runoff by using soil conservation service (SCS) method which is 238 & 263m3/s respectively for Basaka sub-watershed. Conversely, the SCS method is recommended to estimate the ordinate required for the development of peak runoff hydrograph in the river sub-watershed because it utilized additional morphometric parameters such as watershed slope and the curve number (CN) which is a function of the properties of the soil and vegetation cover of the watershed. Basaka sub-watershed delineation analysis was done by GIS 10.8 and it covers a drainage area of about 58km2.

VL  - 12
IS  - 2
ER  -

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