In this research, the Standard Precipitation Index (SPI) is used to represent the dry condition in Peninsular Malaysia. To do this, data of monthly rainfall from 75 stations in Peninsular Malaysia is used to obtain the SPI values at scale one. From the SPI values, two drought characteristics that are commonly used to represent the dry condition in an area that is the duration and severity of a drought period are identified and their respective values calculated for every station. Spatial mappings are then used to identify areas which are more likely to be affected by longer and more severe drought condition from the results. As the two drought characteristics may be correlated with each other, the joint distribution of severity and duration of dry condition is considered. Bivariate copula model is used and five copula models were tested, namely, the Gumbel-Hougard, Clayton, Frank, Joe and Galambos copulas. The copula model, which best represents the relationship between severity and duration, is determined using Akaike information criterion. The results showed that the Joe and Clayton copulas are well-fitted by close to 60% of the stations under study. Based on the results on the most appropriate copula-based joint distribution for each station, some bivariate probabilistic properties of droughts can then be calculated, which will be continued in future research.
Skip Nav Destination
Article navigation
19 June 2014
PROCEEDINGS OF THE 3RD INTERNATIONAL CONFERENCE ON MATHEMATICAL SCIENCES
17–19 December 2013
Kuala Lumpur, Malaysia
Research Article|
June 19 2014
A preliminary study on drought events in Peninsular Malaysia
Wan Zawiah Wan Zin;
Wan Zawiah Wan Zin
School of Mathematical Sciences, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor,
Malaysia
Search for other works by this author on:
Siti Aishah Nahrawi;
Siti Aishah Nahrawi
School of Mathematical Sciences, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor,
Malaysia
Search for other works by this author on:
Abdul Aziz Jemain;
Abdul Aziz Jemain
School of Mathematical Sciences, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor,
Malaysia
Search for other works by this author on:
Marina Zahari
Marina Zahari
School of Mathematical Sciences, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor,
Malaysia
Search for other works by this author on:
AIP Conf. Proc. 1602, 1217–1225 (2014)
Citation
Wan Zawiah Wan Zin, Siti Aishah Nahrawi, Abdul Aziz Jemain, Marina Zahari; A preliminary study on drought events in Peninsular Malaysia. AIP Conf. Proc. 19 June 2014; 1602 (1): 1217–1225. https://doi.org/10.1063/1.4882639
Download citation file:
Pay-Per-View Access
$40.00
Sign In
You could not be signed in. Please check your credentials and make sure you have an active account and try again.
Citing articles via
Inkjet- and flextrail-printing of silicon polymer-based inks for local passivating contacts
Zohreh Kiaee, Andreas Lösel, et al.
Effect of coupling agent type on the self-cleaning and anti-reflective behaviour of advance nanocoating for PV panels application
Taha Tareq Mohammed, Hadia Kadhim Judran, et al.
Design of a 100 MW solar power plant on wetland in Bangladesh
Apu Kowsar, Sumon Chandra Debnath, et al.
Related Content
Modelling of extreme rainfall using copula
AIP Conf. Proc. (October 2020)
Bivariate copula in fitting rainfall data
AIP Conference Proceedings (July 2014)
Classifying wet and dry events using reconnaissance drought index: A rainfall duration-severity analysis based on copula model
AIP Conf. Proc. (August 2024)
Bivariate copula in Johor rainfall data
AIP Conference Proceedings (June 2016)
Bivariate copulas functions for flood frequency analysis
AIP Conference Proceedings (June 2016)