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Extreme Typhoon Rainfall of Taiwan.

Henny, Alexa.

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Extreme Typhoon Rainfall of Taiwan.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Extreme Typhoon Rainfall of Taiwan./
作者:	Henny, Alexa.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2019,
面頁冊數:	117 p.
附註:	Source: Masters Abstracts International, Volume: 80-11.
Contained By:	Masters Abstracts International80-11.
標題:	Atmospheric sciences. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=13878602
ISBN:	9781392147207

Extreme Typhoon Rainfall of Taiwan.
Henny, Alexa.

Extreme Typhoon Rainfall of Taiwan. - Ann Arbor : ProQuest Dissertations & Theses, 2019 - 117 p.

Source: Masters Abstracts International, Volume: 80-11.

Thesis (M.S.)--State University of New York at Albany, 2019.

This item must not be sold to any third party vendors.

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.Comparing TCCIP rainfall data to typhoon track data taken from the International Best Track Archive for Climate Stewardship (IBTrACS) allows us to separate ER into TC-related and non-TC-related components. 50-90+% of ER is associated with TCs. While non-TC-related ER has increased dramatically, the TC-related ER increase is substantially larger, due to its larger starting value. We then define nine TC track types: N, C, S, North, South, Reverse South, Rain, Curved, and Yilan types. Out of the first six - the location-based track types - N and C types produce the largest share of the ER per storm, and South-type TCs are by far the most frequent. N-type TCs have become slower-moving, while C-type TCs have become more frequent. Together, these two categories - comprising TCs making landfall on the central and northern east coast - are responsible for the majority of the increasing TC-associated ER trend. However, Curved-type TCs have become more frequent, indicating an increase in storms with erratic motion near the island. This trend may be linked to changes in the steering flow, and accounts for a large percentage of the TC-associated ER trend in its own right.

ISBN: 9781392147207Subjects--Topical Terms:

3168354
Atmospheric sciences.
Subjects--Index Terms:

Rainfall

Extreme Typhoon Rainfall of Taiwan.
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500 $a Source: Masters Abstracts International, Volume: 80-11.
500 $a Publisher info.: Dissertation/Thesis.
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502 $a Thesis (M.S.)--State University of New York at Albany, 2019.
506 $a This item must not be sold to any third party vendors.
520 $a 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.Comparing TCCIP rainfall data to typhoon track data taken from the International Best Track Archive for Climate Stewardship (IBTrACS) allows us to separate ER into TC-related and non-TC-related components. 50-90+% of ER is associated with TCs. While non-TC-related ER has increased dramatically, the TC-related ER increase is substantially larger, due to its larger starting value. We then define nine TC track types: N, C, S, North, South, Reverse South, Rain, Curved, and Yilan types. Out of the first six - the location-based track types - N and C types produce the largest share of the ER per storm, and South-type TCs are by far the most frequent. N-type TCs have become slower-moving, while C-type TCs have become more frequent. Together, these two categories - comprising TCs making landfall on the central and northern east coast - are responsible for the majority of the increasing TC-associated ER trend. However, Curved-type TCs have become more frequent, indicating an increase in storms with erratic motion near the island. This trend may be linked to changes in the steering flow, and accounts for a large percentage of the TC-associated ER trend in its own right.
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