Staff View: Climate elasticity of annual runoff: observation in fifteen forested catchments on a latitudinal gradient in east Asia

Climate elasticity of annual runoff: observation in fifteen forested catchments on a latitudinal gradient in east Asia

In order to overview the impact of climate change on runoff from forested catchments over Asian countries, we collected water balance data from fifteen long-term catchment monitoring stations (total monitoring period 1975–2018, not continuous), spanning from Sabah, Malaysia (our southernmost site),...

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Main Authors:	Nobuaki Tanaka, Lai, Yen-Jen, Sangjun Im, Maznah Mahali, Venus Tuankrua, Koichiro Kuraji, Fera Cleophas, Chatchai Tantasirin, Mie Gomyo, Tseng, Chun-Wei, Katsushige Shiraki, Norifumi Hotta, Yuko Asano, Hiroki Inoue, Anand Nainar
Format:	Article
Language:	English English
Published:	MDPI 2023
Subjects:	GB447 Climatic geomorphology QH1-(199.5) General Including nature conservation, geographical distribution
Online Access:	https://eprints.ums.edu.my/id/eprint/42210/1/ABSTRACT.pdf https://eprints.ums.edu.my/id/eprint/42210/2/FULL%20TEXT.pdf https://eprints.ums.edu.my/id/eprint/42210/ https://doi.org/10.3390/atmos14040629
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spelling	my.ums.eprints.422102024-12-10T06:59:04Z https://eprints.ums.edu.my/id/eprint/42210/ Climate elasticity of annual runoff: observation in fifteen forested catchments on a latitudinal gradient in east Asia Nobuaki Tanaka Lai, Yen-Jen Sangjun Im Maznah Mahali Venus Tuankrua Koichiro Kuraji Fera Cleophas Chatchai Tantasirin Mie Gomyo Tseng, Chun-Wei Katsushige Shiraki Norifumi Hotta Yuko Asano Hiroki Inoue Anand Nainar GB447 Climatic geomorphology QH1-(199.5) General Including nature conservation, geographical distribution In order to overview the impact of climate change on runoff from forested catchments over Asian countries, we collected water balance data from fifteen long-term catchment monitoring stations (total monitoring period 1975–2018, not continuous), spanning from Sabah, Malaysia (our southernmost site), to Hokkaido, Japan (our northernmost site). We then employed an elasticity analysis to the dataset to examine how the annual runoff from each catchment responded to inter-annual fluctuations in annual rainfall and annual mean air temperature. As a result, we found that (1) the annual runoff was sensitive to annual rainfall for all the catchments examined. In addition, (2) the annual runoff from seven of the fifteen catchments was sensitive to inter-annual changes in the mean air temperature, which was likely due to changes in forest evapotranspiration. Three catchments, however, exhibited an increased runoff in a hot year. Finally, (3) the annual rainfall from the previous year (carry-over soil moisture) was important in explaining the variation in annual runoff in two tropical montane forest catchments. This study may serve as one of the pilot studies toward a comprehensive understanding of the climate elasticity of runoff in countries over Asia, because the examined catchments are unevenly and sparsely distributed over the area. MDPI 2023 Article NonPeerReviewed text en https://eprints.ums.edu.my/id/eprint/42210/1/ABSTRACT.pdf text en https://eprints.ums.edu.my/id/eprint/42210/2/FULL%20TEXT.pdf Nobuaki Tanaka and Lai, Yen-Jen and Sangjun Im and Maznah Mahali and Venus Tuankrua and Koichiro Kuraji and Fera Cleophas and Chatchai Tantasirin and Mie Gomyo and Tseng, Chun-Wei and Katsushige Shiraki and Norifumi Hotta and Yuko Asano and Hiroki Inoue and Anand Nainar (2023) Climate elasticity of annual runoff: observation in fifteen forested catchments on a latitudinal gradient in east Asia. Atmosphere, 14. pp. 1-13. https://doi.org/10.3390/atmos14040629
institution	Universiti Malaysia Sabah
building	UMS Library
collection	Institutional Repository
continent	Asia
country	Malaysia
content_provider	Universiti Malaysia Sabah
content_source	UMS Institutional Repository
url_provider	http://eprints.ums.edu.my/
language	English English
topic	GB447 Climatic geomorphology QH1-(199.5) General Including nature conservation, geographical distribution
spellingShingle	GB447 Climatic geomorphology QH1-(199.5) General Including nature conservation, geographical distribution Nobuaki Tanaka Lai, Yen-Jen Sangjun Im Maznah Mahali Venus Tuankrua Koichiro Kuraji Fera Cleophas Chatchai Tantasirin Mie Gomyo Tseng, Chun-Wei Katsushige Shiraki Norifumi Hotta Yuko Asano Hiroki Inoue Anand Nainar Climate elasticity of annual runoff: observation in fifteen forested catchments on a latitudinal gradient in east Asia
description	In order to overview the impact of climate change on runoff from forested catchments over Asian countries, we collected water balance data from fifteen long-term catchment monitoring stations (total monitoring period 1975–2018, not continuous), spanning from Sabah, Malaysia (our southernmost site), to Hokkaido, Japan (our northernmost site). We then employed an elasticity analysis to the dataset to examine how the annual runoff from each catchment responded to inter-annual fluctuations in annual rainfall and annual mean air temperature. As a result, we found that (1) the annual runoff was sensitive to annual rainfall for all the catchments examined. In addition, (2) the annual runoff from seven of the fifteen catchments was sensitive to inter-annual changes in the mean air temperature, which was likely due to changes in forest evapotranspiration. Three catchments, however, exhibited an increased runoff in a hot year. Finally, (3) the annual rainfall from the previous year (carry-over soil moisture) was important in explaining the variation in annual runoff in two tropical montane forest catchments. This study may serve as one of the pilot studies toward a comprehensive understanding of the climate elasticity of runoff in countries over Asia, because the examined catchments are unevenly and sparsely distributed over the area.
format	Article
author	Nobuaki Tanaka Lai, Yen-Jen Sangjun Im Maznah Mahali Venus Tuankrua Koichiro Kuraji Fera Cleophas Chatchai Tantasirin Mie Gomyo Tseng, Chun-Wei Katsushige Shiraki Norifumi Hotta Yuko Asano Hiroki Inoue Anand Nainar
author_facet	Nobuaki Tanaka Lai, Yen-Jen Sangjun Im Maznah Mahali Venus Tuankrua Koichiro Kuraji Fera Cleophas Chatchai Tantasirin Mie Gomyo Tseng, Chun-Wei Katsushige Shiraki Norifumi Hotta Yuko Asano Hiroki Inoue Anand Nainar
author_sort	Nobuaki Tanaka
title	Climate elasticity of annual runoff: observation in fifteen forested catchments on a latitudinal gradient in east Asia
title_short	Climate elasticity of annual runoff: observation in fifteen forested catchments on a latitudinal gradient in east Asia
title_full	Climate elasticity of annual runoff: observation in fifteen forested catchments on a latitudinal gradient in east Asia
title_fullStr	Climate elasticity of annual runoff: observation in fifteen forested catchments on a latitudinal gradient in east Asia
title_full_unstemmed	Climate elasticity of annual runoff: observation in fifteen forested catchments on a latitudinal gradient in east Asia
title_sort	climate elasticity of annual runoff: observation in fifteen forested catchments on a latitudinal gradient in east asia
publisher	MDPI
publishDate	2023
url	https://eprints.ums.edu.my/id/eprint/42210/1/ABSTRACT.pdf https://eprints.ums.edu.my/id/eprint/42210/2/FULL%20TEXT.pdf https://eprints.ums.edu.my/id/eprint/42210/ https://doi.org/10.3390/atmos14040629
_version_	1818835190408019968
score	13.222552

Climate elasticity of annual runoff: observation in fifteen forested catchments on a latitudinal gradient in east Asia

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