Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/77732
Title: Rainfall analysis in consideration of climate change
Authors: Goh, Janelle Pei Fen
Keywords: DRNTU::Engineering::Civil engineering::Water resources
Issue Date: 2019
Abstract: In recent decades, Singapore has experienced an increase in extreme rainfall events. Researches attribute part of this increase to climate change. Hence, this report studies the impact of climate change on the future rainfall pattern in Singapore. With current rainfall pattern, future rainfall patterns for Singapore were obtained through a weather downscaling simulator, LARS-WG, and updated Intensity-Duration-Frequency (IDF) curves were developed through Gumbel’s Extreme Distribution. Through analysis of the rainfall patterns over three different time periods; 2021 – 2040, 2041 – 2060, 2061 – 2080, it was conclusive that the mean rainfall will increase over the century, with minimal changes to the climate pattern in Singapore. It is expected that the end century, 2061 – 2080, would have higher rainfall as compared to that of earlier century, 2021 – 2040. Despite the increase in mean rainfall, the frequency of rainfall will remain relatively constant. Looking at future extreme rainfall events, hourly rainfall intensity is projected to increase between 5.88% to 13.78% between the period 2021 to 2080.
URI: http://hdl.handle.net/10356/77732
Rights: Nanyang Technological University
Fulltext Permission: restricted
Fulltext Availability: With Fulltext
Appears in Collections:CEE Student Reports (FYP/IA/PA/PI)

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