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dc.contributor.authorJackisch, Dominiken_US
dc.contributor.authorYeo, Bi Xuanen_US
dc.contributor.authorSwitzer, Adam D.en_US
dc.contributor.authorHe, Shaonengen_US
dc.contributor.authorCantarero, Danica Linda M.en_US
dc.contributor.authorSiringan, Fernando P.en_US
dc.contributor.authorGoodkin, Nathalie Fairbanken_US
dc.identifier.citationJackisch, D., Yeo, B. X., Switzer, A. D., He, S., Cantarero, D. L. M., Siringan, F. P. & Goodkin, N. F. (2022). Precipitation stable isotopic signatures of tropical cyclones in Metropolitan Manila, Philippines, show significant negative isotopic excursions. Natural Hazards and Earth System Sciences, 22(1), 213-226.
dc.description.abstractTropical cyclones have devastating impacts on the environment, economies, and societies and may intensify in the coming decades due to climate change. Stable water isotopes serve as tracers of the hydrological cycle, as isotope fractionation processes leave distinct precipitation isotopic signatures. Here we present a record of daily precipitation isotope measurements from March 2014 to October 2015 for Metropolitan Manila, a first-of-a-kind dataset for the Philippines and Southeast Asia. We show that precipitation isotopic variation at our study site is closely related to tropical cyclones. The most negative shift in δ18O values (-13.84ĝ€¯‰) leading to a clear isotopic signal was caused by Typhoon Rammasun, which directly hit Metropolitan Manila. The average δ18O value of precipitation associated with tropical cyclones is -10.24ĝ€¯‰, whereas the mean isotopic value for rainfall associated with non-cyclone events is -5.29ĝ€¯‰. Further, the closer the storm track is to the sampling site, the more negative the isotopic values are, indicating that in situ isotope measurements can provide a direct linkage between isotopes and typhoon activities in the Philippines.en_US
dc.description.sponsorshipMinistry of Education (MOE)en_US
dc.description.sponsorshipNational Research Foundation (NRF)en_US
dc.relation.ispartofNatural Hazards and Earth System Sciencesen_US
dc.rights© 2022 Author(s). Published by Copernicus Publications on behalf of the European Geosciences Union. This work is distributed under the Creative Commons Attribution 4.0 License.en_US
dc.titlePrecipitation stable isotopic signatures of tropical cyclones in Metropolitan Manila, Philippines, show significant negative isotopic excursionsen_US
dc.typeJournal Articleen
dc.contributor.schoolAsian School of the Environmenten_US
dc.contributor.researchEarth Observatory of Singaporeen_US
dc.description.versionPublished versionen_US
dc.subject.keywordsIn Situ Measurementen_US
dc.description.acknowledgementThis research was supported by the Earth Observatory of Singapore (EOS) via its funding from the National Research Foundation Singapore and the Ministry of Education of Singapore under the Research Centres of Excellence initiative.en_US
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