Detailed Trend Analysis of Extreme Climate Indices in the Upper Geum River Basin

To investigate the recent effects of climate change in the upper Geum River basin in South Korea, a detailed trend analysis of 17 extreme climate indices based on 33 years (1988–2020) of daily precipitation, and daily (minimum and maximum) temperature data has been analyzed in this study. Out of the...

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Autores principales:	Micah Lourdes Felix, Young-kyu Kim, Mikyoung Choi, Joo-Cheol Kim, Xuan Khanh Do, Thu Hien Nguyen, Kwansue Jung
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	extreme climate index Yongdam dam trend analysis Mann–Kendall ETCCDI Hydraulic engineering TC1-978 Water supply for domestic and industrial purposes TD201-500
Acceso en línea:	https://doaj.org/article/2dbc550df7f14104ac349770b9033725
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spelling	oai:doaj.org-article:2dbc550df7f14104ac349770b90337252021-11-25T19:15:00ZDetailed Trend Analysis of Extreme Climate Indices in the Upper Geum River Basin10.3390/w132231712073-4441https://doaj.org/article/2dbc550df7f14104ac349770b90337252021-11-01T00:00:00Zhttps://www.mdpi.com/2073-4441/13/22/3171https://doaj.org/toc/2073-4441To investigate the recent effects of climate change in the upper Geum River basin in South Korea, a detailed trend analysis of 17 extreme climate indices based on 33 years (1988–2020) of daily precipitation, and daily (minimum and maximum) temperature data has been analyzed in this study. Out of the 17 extreme climate indices, nine (eight) indices were based on temperature (precipitation) data. Trend analysis based on detailed temporal scales (annual, seasonal, monthly) were performed through the Mann–Kendall trend test and the Theil–Sen slope method. Furthermore, the Mann–Whitney–Pettit test was also applied in this study, to detect abrupt changes in the extreme climate indices. Based on the results of this study, the climate conditions at the upper Geum River basin for the past three decades can be summarized as follows: general increase in temperature intensity, decrease in cold duration, increased heat duration, increased precipitation intensity, and increased consecutive wet and dry durations. Furthermore, a prolonged summer season (shorter spring, and autumn periods) and precipitation shifts, were detected based on trend analysis results of seasonal, and monthly time scales. The results presented in this study can provide supplementary data for improving watershed management strategies in the upper Geum River basin.Micah Lourdes FelixYoung-kyu KimMikyoung ChoiJoo-Cheol KimXuan Khanh DoThu Hien NguyenKwansue JungMDPI AGarticleextreme climate indexYongdam damtrend analysisMann–KendallETCCDIHydraulic engineeringTC1-978Water supply for domestic and industrial purposesTD201-500ENWater, Vol 13, Iss 3171, p 3171 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	extreme climate index Yongdam dam trend analysis Mann–Kendall ETCCDI Hydraulic engineering TC1-978 Water supply for domestic and industrial purposes TD201-500
spellingShingle	extreme climate index Yongdam dam trend analysis Mann–Kendall ETCCDI Hydraulic engineering TC1-978 Water supply for domestic and industrial purposes TD201-500 Micah Lourdes Felix Young-kyu Kim Mikyoung Choi Joo-Cheol Kim Xuan Khanh Do Thu Hien Nguyen Kwansue Jung Detailed Trend Analysis of Extreme Climate Indices in the Upper Geum River Basin
description	To investigate the recent effects of climate change in the upper Geum River basin in South Korea, a detailed trend analysis of 17 extreme climate indices based on 33 years (1988–2020) of daily precipitation, and daily (minimum and maximum) temperature data has been analyzed in this study. Out of the 17 extreme climate indices, nine (eight) indices were based on temperature (precipitation) data. Trend analysis based on detailed temporal scales (annual, seasonal, monthly) were performed through the Mann–Kendall trend test and the Theil–Sen slope method. Furthermore, the Mann–Whitney–Pettit test was also applied in this study, to detect abrupt changes in the extreme climate indices. Based on the results of this study, the climate conditions at the upper Geum River basin for the past three decades can be summarized as follows: general increase in temperature intensity, decrease in cold duration, increased heat duration, increased precipitation intensity, and increased consecutive wet and dry durations. Furthermore, a prolonged summer season (shorter spring, and autumn periods) and precipitation shifts, were detected based on trend analysis results of seasonal, and monthly time scales. The results presented in this study can provide supplementary data for improving watershed management strategies in the upper Geum River basin.
format	article
author	Micah Lourdes Felix Young-kyu Kim Mikyoung Choi Joo-Cheol Kim Xuan Khanh Do Thu Hien Nguyen Kwansue Jung
author_facet	Micah Lourdes Felix Young-kyu Kim Mikyoung Choi Joo-Cheol Kim Xuan Khanh Do Thu Hien Nguyen Kwansue Jung
author_sort	Micah Lourdes Felix
title	Detailed Trend Analysis of Extreme Climate Indices in the Upper Geum River Basin
title_short	Detailed Trend Analysis of Extreme Climate Indices in the Upper Geum River Basin
title_full	Detailed Trend Analysis of Extreme Climate Indices in the Upper Geum River Basin
title_fullStr	Detailed Trend Analysis of Extreme Climate Indices in the Upper Geum River Basin
title_full_unstemmed	Detailed Trend Analysis of Extreme Climate Indices in the Upper Geum River Basin
title_sort	detailed trend analysis of extreme climate indices in the upper geum river basin
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/2dbc550df7f14104ac349770b9033725
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Detailed Trend Analysis of Extreme Climate Indices in the Upper Geum River Basin

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