Rainfall Dynamics of Terengganu Malaysia and its Recent Trends Analysis Using the Mann-Kendall Test.

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date 2014-11-04 15:13:31
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spelling 10815 https://intelek.unisza.edu.my/intelek/pages/view.php?ref=10815 https://intelek.unisza.edu.my/intelek/pages/search.php?search=!collection407072 Restricted Document Article Journal application/pdf 10 1.6 Adobe Acrobat Pro DC 20 Paper Capture Plug-in Cisco 2014-11-04 15:13:31 4949-01-FH02-ESERI-16-04959.pdf UniSZA Private Access Rainfall Dynamics of Terengganu Malaysia and its Recent Trends Analysis Using the Mann-Kendall Test. Journal of Advances in Biotechnology This study investigated the pattern and trends of the daily rainfall data in Terengganu Malaysia based on seasonal rainfall indices. The statistics of rainfall indices were calculated in terms of their means for seven stations in Terengganu Malaysia for the period 2000 to 2012. The findings indicate that the trend in the study area has no significant changes in stations (1, 4 and 6) while station (2, 3, 5 and 7) shows significant changes and southwest monsoon had the greatest impact on the whole stations, particularly in characterizing the rainfall pattern of the area. During this season, the study area could be considered as the wettest region since all rainfall indices tested are higher than in other neighboring state of the Peninsula. Otherwise, the northwest of the area is denoted as the driest part of the state during the northeast monsoon period. The northwest of the state is less influenced by the northeast monsoon because of the existence of the Titiwangsa Range, which blocks some part of the region from receiving heavy rainfall. On the other hand, it is found that the areas with lowlands are strongly characterized by the northeast monsoonal flow.The results of the Mann-Kendall test, shows that, trends of the total amount of rainfall during the southwest monsoon decrease at some of the stations. The rainfall intensity increases in contrast, increasing trends in the total amount of rainfall were observed at three stations during the northeast monsoon, which give rise to the increasing trend of rainfall intensity. The results for the combined stations in both seasons indicate that there are no significant changes in trends during the extreme events for the Terengganu Malaysia. However, a smaller number of significant trends were found for extreme intensity. 4 2 372-381
spellingShingle Rainfall Dynamics of Terengganu Malaysia and its Recent Trends Analysis Using the Mann-Kendall Test.
summary This study investigated the pattern and trends of the daily rainfall data in Terengganu Malaysia based on seasonal rainfall indices. The statistics of rainfall indices were calculated in terms of their means for seven stations in Terengganu Malaysia for the period 2000 to 2012. The findings indicate that the trend in the study area has no significant changes in stations (1, 4 and 6) while station (2, 3, 5 and 7) shows significant changes and southwest monsoon had the greatest impact on the whole stations, particularly in characterizing the rainfall pattern of the area. During this season, the study area could be considered as the wettest region since all rainfall indices tested are higher than in other neighboring state of the Peninsula. Otherwise, the northwest of the area is denoted as the driest part of the state during the northeast monsoon period. The northwest of the state is less influenced by the northeast monsoon because of the existence of the Titiwangsa Range, which blocks some part of the region from receiving heavy rainfall. On the other hand, it is found that the areas with lowlands are strongly characterized by the northeast monsoonal flow.The results of the Mann-Kendall test, shows that, trends of the total amount of rainfall during the southwest monsoon decrease at some of the stations. The rainfall intensity increases in contrast, increasing trends in the total amount of rainfall were observed at three stations during the northeast monsoon, which give rise to the increasing trend of rainfall intensity. The results for the combined stations in both seasons indicate that there are no significant changes in trends during the extreme events for the Terengganu Malaysia. However, a smaller number of significant trends were found for extreme intensity.
title Rainfall Dynamics of Terengganu Malaysia and its Recent Trends Analysis Using the Mann-Kendall Test.
title_full Rainfall Dynamics of Terengganu Malaysia and its Recent Trends Analysis Using the Mann-Kendall Test.
title_fullStr Rainfall Dynamics of Terengganu Malaysia and its Recent Trends Analysis Using the Mann-Kendall Test.
title_full_unstemmed Rainfall Dynamics of Terengganu Malaysia and its Recent Trends Analysis Using the Mann-Kendall Test.
title_short Rainfall Dynamics of Terengganu Malaysia and its Recent Trends Analysis Using the Mann-Kendall Test.
title_sort rainfall dynamics of terengganu malaysia and its recent trends analysis using the mann-kendall test.