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Spatial and Temporal Variations of Stable Isotopes in Precipitation in the Mountainous Region, North Hesse

dc.date.accessioned2023-01-18T14:50:10Z
dc.date.available2023-01-18T14:50:10Z
dc.date.issued2022-12-01
dc.identifierdoi:10.17170/kobra-202301187398
dc.identifier.urihttp://hdl.handle.net/123456789/14372
dc.description.sponsorshipGefördert durch den Publikationsfonds der Universität Kassel
dc.language.isoeng
dc.rightsNamensnennung 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectOxygeneng
dc.subjectHydrogeneng
dc.subjectDeuterium excesseng
dc.subjectAmount effectger
dc.subjectTemperature effecteng
dc.subjectAltitude effecteng
dc.subjectKasselger
dc.subjectGermanyeng
dc.subject.ddc540
dc.subject.ddc570
dc.titleSpatial and Temporal Variations of Stable Isotopes in Precipitation in the Mountainous Region, North Hesseeng
dc.typeAufsatz
dcterms.abstractPatterns of stable isotopes of water (¹⁸O and ²H) in precipitation have been used as tracers for analyzing environmental processes which can be changed by factors such as the topography or meteorological variables. In this study, we investigated the isotopic data in precipitation for one year in the low mountain range of North Hesse, Germany, and analyzed mainly for altitude, rainfall amount, and air temperature effects on a regional scale. The results indicate that the isotopic composition expressed an altitude effect with a gradient of −0.14‰/100 m for δ¹⁸O, −0.28‰/100 m for δ²H and 0.83‰/100 m for Deuterium excess. Patterns of enrichment during warmer months and depletion during colder months were detected. Seasonal correlations were not consistent because the altitude effect was superimposed by other processes such as amount and temperature effects, vapor origins, orographic rainout processes, moisture recycling, and sub-cloud secondary evaporation. Precipitation was mostly affected by secondary evaporation and mixing processes during the summer while depleted moisture-bearing fronts and condensation were more responsible for isotope depletion during winter. In autumn and spring, the amount effect was more prominent in combination with moisture recycling, and large-scale convective processes. The altitude effect was also detected in surface water. The investigated elevation transect with multiple stations provided unique insights into hydrological and climatic processes of North Hesse on a regional scale. The spatial heterogeneity and mixing of different processes suggest that multiple rainfall stations are required when rainfall isotopes serve as forcing data for hydrological applications such as transit time assessments in complex terrains.eng
dcterms.accessRightsopen access
dcterms.creatorMahindawansha, Amani
dcterms.creatorJost, Marius
dcterms.creatorGassmann, Matthias
dc.relation.doidoi:10.3390/w14233910
dc.subject.swdDeutschlandger
dc.subject.swdKasselger
dc.subject.swdDeuteriumger
dc.subject.swdSauerstoffger
dc.subject.swdWasserstoffisotopger
dc.subject.swdNordhessenger
dc.subject.swdGebirgeger
dc.type.versionpublishedVersion
dcterms.source.identifiereissn:2073-4441
dcterms.source.issueIssue 23
dcterms.source.journalWatereng
dcterms.source.volumeVolume 14
kup.iskupfalse
dcterms.source.articlenumber3910


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