Probable Maximum Precipitation comparison using hershfield's statistical method and hydro-meteorological method for Sungai Perak Hydroelectric Scheme
One of the potential risks attributed to the occurrence of dam overtopping and dam wall failure due to the inadequacy of the spillway capacities is the loss of life and property damages in the downstream area. The current practices in most countries in minimizing these risks are by analyzing the ext...
Saved in:
| Main Authors: | , , , , |
|---|---|
| Other Authors: | |
| Format: | Article |
| Published: |
Science Publishing Corporation Inc
2023
|
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1833410517457174528 |
|---|---|
| author | Razali J. Sidek L.M. Rashid M.A. Hussein A. Marufuzzaman M. |
| author2 | 42862303000 |
| author_facet | 42862303000 Razali J. Sidek L.M. Rashid M.A. Hussein A. Marufuzzaman M. |
| author_sort | Razali J. |
| building | UNITEN Library |
| collection | Institutional Repository |
| content_provider | Universiti Tenaga Nasional |
| content_source | UNITEN Institutional Repository |
| continent | Asia |
| country | Malaysia |
| description | One of the potential risks attributed to the occurrence of dam overtopping and dam wall failure due to the inadequacy of the spillway capacities is the loss of life and property damages in the downstream area. The current practices in most countries in minimizing these risks are by analyzing the extreme precipitation that leads to extreme flood. Extreme precipitation is best known as Probable Maximum Precipitation (PMP) and this estimation is useful in determining Probable Maximum Flood (PMF) in reviewing the spillway adequacy of dam structures. This paper presented PMP estimations using two approaches; physical method (Hydro-meteorological Method) and statistical approach (Hershfield's Method) at the Sungai Perak Hydroelectric Scheme that consists of four cascading dams namely Temengor dam, Bersia dam, Kenering dam and Chenderoh dam. The highest PMP estimates from these two methods will be chosen as the rainfall input to establish PMF hydrographs. Estimations using Hydro-meteorological generalized map produces 40-50% higher estimates compared to Hersfield's method with the PMP values of 550mm (1hours), 600mm (3hours), 800mm (6hours), 820mm (12hours), 1300mm (24hour) and 1600mm (72 hours). Accepting the Hydro-meteorological Method to determine PMF values for this hydroelectric scheme may be the best course since the estimations of the extreme precipitations using this method are the highest. � 2018 Authors. |
| format | Article |
| id | my.uniten.dspace-24107 |
| institution | Universiti Tenaga Nasional |
| publishDate | 2023 |
| publisher | Science Publishing Corporation Inc |
| record_format | dspace |
| spelling | my.uniten.dspace-241072023-05-29T14:55:32Z Probable Maximum Precipitation comparison using hershfield's statistical method and hydro-meteorological method for Sungai Perak Hydroelectric Scheme Razali J. Sidek L.M. Rashid M.A. Hussein A. Marufuzzaman M. 42862303000 35070506500 55812328000 57205235199 57205234835 One of the potential risks attributed to the occurrence of dam overtopping and dam wall failure due to the inadequacy of the spillway capacities is the loss of life and property damages in the downstream area. The current practices in most countries in minimizing these risks are by analyzing the extreme precipitation that leads to extreme flood. Extreme precipitation is best known as Probable Maximum Precipitation (PMP) and this estimation is useful in determining Probable Maximum Flood (PMF) in reviewing the spillway adequacy of dam structures. This paper presented PMP estimations using two approaches; physical method (Hydro-meteorological Method) and statistical approach (Hershfield's Method) at the Sungai Perak Hydroelectric Scheme that consists of four cascading dams namely Temengor dam, Bersia dam, Kenering dam and Chenderoh dam. The highest PMP estimates from these two methods will be chosen as the rainfall input to establish PMF hydrographs. Estimations using Hydro-meteorological generalized map produces 40-50% higher estimates compared to Hersfield's method with the PMP values of 550mm (1hours), 600mm (3hours), 800mm (6hours), 820mm (12hours), 1300mm (24hour) and 1600mm (72 hours). Accepting the Hydro-meteorological Method to determine PMF values for this hydroelectric scheme may be the best course since the estimations of the extreme precipitations using this method are the highest. � 2018 Authors. Final 2023-05-29T06:55:32Z 2023-05-29T06:55:32Z 2018 Article 10.14419/ijet.v7i4.35.22922 2-s2.0-85059226535 https://www.scopus.com/inward/record.uri?eid=2-s2.0-85059226535&doi=10.14419%2fijet.v7i4.35.22922&partnerID=40&md5=37afbf33ce46dd36fc400336f2c68a03 https://irepository.uniten.edu.my/handle/123456789/24107 7 4 603 608 Science Publishing Corporation Inc Scopus |
| spellingShingle | Razali J. Sidek L.M. Rashid M.A. Hussein A. Marufuzzaman M. Probable Maximum Precipitation comparison using hershfield's statistical method and hydro-meteorological method for Sungai Perak Hydroelectric Scheme |
| title | Probable Maximum Precipitation comparison using hershfield's statistical method and hydro-meteorological method for Sungai Perak Hydroelectric Scheme |
| title_full | Probable Maximum Precipitation comparison using hershfield's statistical method and hydro-meteorological method for Sungai Perak Hydroelectric Scheme |
| title_fullStr | Probable Maximum Precipitation comparison using hershfield's statistical method and hydro-meteorological method for Sungai Perak Hydroelectric Scheme |
| title_full_unstemmed | Probable Maximum Precipitation comparison using hershfield's statistical method and hydro-meteorological method for Sungai Perak Hydroelectric Scheme |
| title_short | Probable Maximum Precipitation comparison using hershfield's statistical method and hydro-meteorological method for Sungai Perak Hydroelectric Scheme |
| title_sort | probable maximum precipitation comparison using hershfield's statistical method and hydro-meteorological method for sungai perak hydroelectric scheme |
| url_provider | http://dspace.uniten.edu.my/ |