Modelling Catchment Rainfall Using Sum of Correlated Gamma Variables

One of the major difficulties in simulating rainfall is the need to accurately represent rainfall accumulations. An accurate simulation of monthly rainfall should also provide an accurate simulation of yearly rainfall by summing the monthly totals. A major problem in this regard is that rainfall dis...

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Main Authors:	Roslinazairimah, Zakaria, Howlett, P. G., Piantadosi, J., Boland, J. W., Nor Hafizah, Moslim
Format:	Article
Language:	English English
Published:	Penerbit Universiti Teknologi Malaysia 2013
Subjects:	Q Science (General)
Online Access:	http://umpir.ump.edu.my/id/eprint/6284/ http://umpir.ump.edu.my/id/eprint/6284/ http://umpir.ump.edu.my/id/eprint/6284/ http://umpir.ump.edu.my/id/eprint/6284/1/Modelling_Catchment_Rainfall_Using_Sum_of_Correlated_Gamma_Variables.pdf http://umpir.ump.edu.my/id/eprint/6284/4/Modelling%20Catchment%20Rainfall%20Using%20Sum%20of%20Correlated%20Gamma%20Variables.pdf

id	ump-6284
recordtype	eprints
spelling	ump-62842018-06-28T08:27:58Z http://umpir.ump.edu.my/id/eprint/6284/ Modelling Catchment Rainfall Using Sum of Correlated Gamma Variables Roslinazairimah, Zakaria Howlett, P. G. Piantadosi, J. Boland, J. W. Nor Hafizah, Moslim Q Science (General) One of the major difficulties in simulating rainfall is the need to accurately represent rainfall accumulations. An accurate simulation of monthly rainfall should also provide an accurate simulation of yearly rainfall by summing the monthly totals. A major problem in this regard is that rainfall distributions for successive months may not be independent. Thus the rainfall accumulation problem must be represented as the summation of dependent random variables. This study is aimed to show if the statistical parameters for several stations within a particular catchment is known, then a weighted sum is used to determine a rainfall model for the entire local catchment. A spatial analysis for the sum of rainfall volumes from four selected meteorological stations within the same region using the monthly rainfall data is conducted. The sum of n correlated gamma variables is used to model the sum of monthly rainfall totals from four stations when there is significant correlation between the stations. Penerbit Universiti Teknologi Malaysia 2013 Article PeerReviewed application/pdf en http://umpir.ump.edu.my/id/eprint/6284/1/Modelling_Catchment_Rainfall_Using_Sum_of_Correlated_Gamma_Variables.pdf application/pdf en http://umpir.ump.edu.my/id/eprint/6284/4/Modelling%20Catchment%20Rainfall%20Using%20Sum%20of%20Correlated%20Gamma%20Variables.pdf Roslinazairimah, Zakaria and Howlett, P. G. and Piantadosi, J. and Boland, J. W. and Nor Hafizah, Moslim (2013) Modelling Catchment Rainfall Using Sum of Correlated Gamma Variables. Jurnal Teknologi (Sciences and Engineering), 63 (2). pp. 85-88. ISSN 0127-9696 (print); 2180-3722 (online) http://dx.doi.org/10.11113/jt.v63.1918 DOI: 10.11113/jt.v63.1918
repository_type	Digital Repository
institution_category	Local University
institution	Universiti Malaysia Pahang
building	UMP Institutional Repository
collection	Online Access
language	English English
topic	Q Science (General)
spellingShingle	Q Science (General) Roslinazairimah, Zakaria Howlett, P. G. Piantadosi, J. Boland, J. W. Nor Hafizah, Moslim Modelling Catchment Rainfall Using Sum of Correlated Gamma Variables
description	One of the major difficulties in simulating rainfall is the need to accurately represent rainfall accumulations. An accurate simulation of monthly rainfall should also provide an accurate simulation of yearly rainfall by summing the monthly totals. A major problem in this regard is that rainfall distributions for successive months may not be independent. Thus the rainfall accumulation problem must be represented as the summation of dependent random variables. This study is aimed to show if the statistical parameters for several stations within a particular catchment is known, then a weighted sum is used to determine a rainfall model for the entire local catchment. A spatial analysis for the sum of rainfall volumes from four selected meteorological stations within the same region using the monthly rainfall data is conducted. The sum of n correlated gamma variables is used to model the sum of monthly rainfall totals from four stations when there is significant correlation between the stations.
format	Article
author	Roslinazairimah, Zakaria Howlett, P. G. Piantadosi, J. Boland, J. W. Nor Hafizah, Moslim
author_facet	Roslinazairimah, Zakaria Howlett, P. G. Piantadosi, J. Boland, J. W. Nor Hafizah, Moslim
author_sort	Roslinazairimah, Zakaria
title	Modelling Catchment Rainfall Using Sum of Correlated Gamma Variables
title_short	Modelling Catchment Rainfall Using Sum of Correlated Gamma Variables
title_full	Modelling Catchment Rainfall Using Sum of Correlated Gamma Variables
title_fullStr	Modelling Catchment Rainfall Using Sum of Correlated Gamma Variables
title_full_unstemmed	Modelling Catchment Rainfall Using Sum of Correlated Gamma Variables
title_sort	modelling catchment rainfall using sum of correlated gamma variables
publisher	Penerbit Universiti Teknologi Malaysia
publishDate	2013
url	http://umpir.ump.edu.my/id/eprint/6284/ http://umpir.ump.edu.my/id/eprint/6284/ http://umpir.ump.edu.my/id/eprint/6284/ http://umpir.ump.edu.my/id/eprint/6284/1/Modelling_Catchment_Rainfall_Using_Sum_of_Correlated_Gamma_Variables.pdf http://umpir.ump.edu.my/id/eprint/6284/4/Modelling%20Catchment%20Rainfall%20Using%20Sum%20of%20Correlated%20Gamma%20Variables.pdf
first_indexed	2023-09-18T22:01:55Z
last_indexed	2023-09-18T22:01:55Z
_version_	1777414454759129088

Modelling Catchment Rainfall Using Sum of Correlated Gamma Variables

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