Water dynamics at the urban soil-atmosphere interface—rainwater storage in paved surfaces and its dependence on rain event characteristics

dc.contributor.authorNehls, Thomas
dc.contributor.authorPeters, Andre
dc.contributor.authorKraus, Fabian
dc.contributor.authorRim, Yong Nam
dc.date.accessioned2021-03-05T08:54:51Z
dc.date.available2021-03-05T08:54:51Z
dc.date.issued2020-08-28
dc.description.abstractPurpose: The surface store governs the rainwater partition, e.g., water storage and evaporation on paved surfaces, especially for low-intensity and low-sum rain events, which account for the greatest part of the total rainfall in a temperate climate city like Berlin, Germany. The surface store S is a fixed value, dependent on surface relief and pore system characteristics. Contrary, in this study, the surface storage was assumed to depend also on the rain intensity, thus being variable from event to event. Materials and methods: The surface store filling dynamics for dense (DP), porous (PP), and highly infiltrative (IP) paving materials were studied in a rainfall simulator. Irrigation intensities p ranged from 0.016 to 0.1 mm min −1 which represent the 25 to 88% quantiles of the rain event distribution in Berlin, Germany (1961 to 1990). Results and discussion: Three surface stores can be separated: storage until initial runoff, S f , at maximum filling, S m , and for steady-state runoff, S eq —all of them can be regarded as effective stores depending on the aim of its use. The equilibrium store varies from 0.2 to 3 mm for DP, PP, and IP for the investigated rainfall intensities. Conclusions: For all pavers, the surface store depends on rainfall intensity, which was shown experimentally and confirmed by numerical simulation of the infiltration. We introduce a simple and robust method to describe S f , S m = f ( p ) for different pavers. Pavers can evaporate a multiple of their surface store per day, depending on the rainfall distribution, which implicates the need for high temporal resolutions in urban hydrology modeling. Pavers can evaporate a multiple of their surface store per day, depending on the rainfall distribution. That implicates the need for high temporal resolutions in urban hydrology modeling.en
dc.description.sponsorshipTU Berlin, Open-Access-Mittel – 2020en
dc.description.sponsorshipDFG, 197674476, FOR 1736: Stadtklima und Hitzestress in Städten der Mittelbreiten in Anbetracht des Klimawandels (UCaHS)en
dc.description.sponsorshipBMBF, 033W103G, RESZ - Verbundvorhaben: BlueGreenStreets - Multifunktionale Straßenraumgestaltung urbaner Quartiere, Teilvorhaben 7: Evapotranspirationsleistungen von Stadtbäumen und Fassadengrün und Stoffstrommanagementen
dc.identifier.eissn1614-7480
dc.identifier.issn1439-0108
dc.identifier.urihttps://depositonce.tu-berlin.de/handle/11303/12742
dc.identifier.urihttp://dx.doi.org/10.14279/depositonce-11542
dc.language.isoen
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subject.ddc577 Ökologieen
dc.subject.otherevaporationen
dc.subject.otherpaved soilsen
dc.subject.otherpaving materialen
dc.subject.otherprecipitation intensityen
dc.subject.othersurface storeen
dc.subject.otherwater storageen
dc.titleWater dynamics at the urban soil-atmosphere interface—rainwater storage in paved surfaces and its dependence on rain event characteristicsen
dc.typeArticleen
dc.type.versionpublishedVersionen
dcterms.bibliographicCitation.doi10.1007/s11368-020-02762-5en
dcterms.bibliographicCitation.journaltitleJournal of Soils and Sedimentsen
dcterms.bibliographicCitation.originalpublishernameSpringerNatureen
dcterms.bibliographicCitation.originalpublisherplaceLondon [u.a.]en
tub.accessrights.dnbfreeen
tub.affiliationFak. 6 Planen Bauen Umwelt::Inst. Ökologie::FG Ökohydrologie & Landschaftsbewertungde
tub.affiliation.facultyFak. 6 Planen Bauen Umweltde
tub.affiliation.groupFG Ökohydrologie & Landschaftsbewertungde
tub.affiliation.instituteInst. Ökologiede
tub.publisher.universityorinstitutionTechnische Universität Berlinen

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