Date of Award

1-1-2019

Language

English

Document Type

Master's Thesis

Degree Name

Master of Science (MS)

College/School/Department

Department of Atmospheric and Environmental Sciences

Content Description

1 online resource (v, 111 pages) : color illustrations, color maps.

Dissertation/Thesis Chair

Christopher D Thorncroft

Keywords

Rainfall, Seasons, Taiwan, Typhoon, Rainstorms, Rainfall intensity duration frequencies, Typhoons

Subject Categories

Atmospheric Sciences

Abstract

Taiwan has experienced large increases in extreme rainfall (ER, defined as top 1% by daily total) over the past 60 years. Using 1 km gridded daily rainfall data provided by the Taiwan Climate Change Projection and Adaptation Information Platform (TCCIP), we analyze Taiwan’s rainfall means and trends seasonally and as a function of intensity. ER accounts for about 17% of rainfall in Taiwan, but across much of the island, the 1960-2015 ER trend exceeds the non-extreme rainfall (NR) trend. Most ER occurs during the months of May – October, when warm, southwesterly monsoon flow and frequent typhoons lead to high rainfall totals in southern and eastern regions. In each season, with the possible exception of Mei-Yu Season, ER has increased over most of the island.

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