Monsoon Season Case Study

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Climate change and the dynamics of monsoon seasons?
The impact of monsoon seasons : The pattern of South Asian monsoons and other sub seasons are investigated to understand their effect and impact on rainfall distribution and vulnerability during the southeast monsoon season. In some areas the topography affects the intensity of rainfall. These shifting phenomenon of other monsoon season in the region are impacting on the variability of rainfall and the onset of monsoons in Southeast Asia and is predicted to delay for 15 days the onset of the monsoon in the future. The variability of monsoon rainfall in the SEA region is observed to be decadal and the frequency and intensity of intermittent flooding of some areas during the monsoon season
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Flood is the most devastating natural disaster experienced in Malaysia. Throughout Malaysia, including Sabah and Sarawak, there is total of 189 river basins (89 of the river basins are in peninsula Malaysia, 78 in Sabah and 22 in Sarawak), with the main channels flowing directly to the South China Sea and 85 of them are prone to become recurrent flooding. The estimated area vulnerable to flood disaster is approximately 29,800 km2 or 9% of the total Malaysia area, and is affecting almost 4.82 million people which is around 22% of the total population of the country. In general, Malaysia could be considered as a free zone from climate related disaster. However, mild climate related disasters are quite frequent to happen lately. These refer to the occurrence of floods and droughts that caused significant socio-economic impacts to the nation while the occurrence of landslides due to excessive rainfall and strong winds happened at the hilly and the latter, at the coastal areas caused minimal damage. In agriculture, one of the matters that affected continuously is flood. Sometimes water levels can rise slowly and unnoticed. Other time, flooded can be rapid, sudden and unexpected. The floods incidence happened in the southern states of Malaysia, involving Negeri Sembilan, Melaka, Johor and Pahang. Johor was the worst affected. It was reported that the warming effect in Siberia lead to a heavy rainfall in Southern Malaysia, compliments with poor drainage systems, thus
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