@inproceedings{LeutnantUhl2019, author = {Leutnant, Dominik and Uhl, Mathias}, title = {In-situ Monitoring großer dezentraler Behandlungsanlagen f{\"u}r Niederschlagsabfl{\"u}sse}, series = {12. Rostocker Abwassertagung - Emissionsminderung von Punktquellen im l{\"a}ndlichen Raum / Jens Tr{\"a}nckner (Hrsg.)}, booktitle = {12. Rostocker Abwassertagung - Emissionsminderung von Punktquellen im l{\"a}ndlichen Raum / Jens Tr{\"a}nckner (Hrsg.)}, isbn = {978-3-86009-488-4}, pages = {79 -- 85}, year = {2019}, abstract = {Der Behandlung von Niederschlagsabfl{\"u}ssen aus Trennsystemen kommt zur Zielerreichung eines wirksamen Gew{\"a}sserschutzes eine wesentliche Rolle zu. Konventionelle, zentrale Anlagen behandeln den Abfluss vor der Einleitung in das Gew{\"a}sser. Zunehmend an Bedeutung gewonnen haben dezentrale Anlagen, die den Abfluss am Entstehungsort behandeln. Unterschiedlich belastete Oberfl{\"a}chenabfl{\"u}sse k{\"o}nnen somit den wasserrechtlichen Anforderungen entsprechend gezielt behandelt werden. Voraussetzung zur Anwendung ist der Nachweis der vergleichbaren Reinigungsleistung zu zentralen Anlagen. In-situ G{\"u}temessungen der Zu- und Ablauffrachten einer Behandlungsanlage erm{\"o}glichen eine datenbasierte Bewertung der Anlagenwirksamkeit.}, language = {de} } @article{LeutnantMuschallaUhl2018, author = {Leutnant, Dominik and Muschalla, Dirk and Uhl, Mathias}, title = {Statistical Distribution of TSS Event Loads from Small Urban Environments}, series = {Water}, journal = {Water}, doi = {10.3390/w10060769}, pages = {769 -- 10}, year = {2018}, abstract = {Results from a long-term stormwater quality monitoring program were used to derive total suspended solids (TSS) event load distributions at four small urban environments (flat roof, parking lot, residential catchment, high traffic street). Theoretical distribution functions were fitted to the empirical distribution functions obtained. Parameters of the theoretical distribution functions were optimized with respect to a likelihood function to get both optimized parameters and standard errors. Kolmogorov-Smirnov and Anderson-Darling test statistics were applied to assess the goodness-of-fit between empirical and theoretical distribution. The lognormal distribution function was found to be most expressive to approximate empirical TSS event load distributions at all sites. However, the goodness-of-fit of the statistical model strongly depends on the number of events available. Based on the results of a Monte-Carlo-based resampling strategy, around 40 events should be considered.}, language = {en} } @article{LeutnantMuschallaUhl2018, author = {Leutnant, Dominik and Muschalla, Dirk and Uhl, Mathias}, title = {Distribution-Based Calibration of a Stormwater Quality Model}, series = {Water}, volume = {2018}, journal = {Water}, doi = {10.3390/w10081027}, pages = {1027 -- 10}, year = {2018}, abstract = {Stormwater quality models are usually calibrated using observed pollutographs. As current models still rely on simplified model concepts for pollutant accumulation and wash-off, calibration results for continuous pollutant concentrations are highly uncertain. In this paper, we introduce an innovative calibration approach based on total suspended solids (TSS) event load distribution. The approach is applied on stormwater quality models for a flat roof and a parking lot for which reliable distributions are available. Exponential functions are employed for both TSS buildup and wash-off. Model parameters are calibrated by means of an evolutionary algorithm to minimize the distance between a parameterized lognormal distribution function and the cumulated distribution of simulated TSS event loads. Since TSS event load characteristics are probabilistically considered, the approach especially respects the stochasticity of TSS buildup and wash-off and, therefore, improves conventional stormwater quality calibration concepts. The results show that both experimental models were calibrated with high goodness-of-fit (Kolmogorov-Smirnov test statistic: 0.05). However, it is shown that events with high TSS event loads (>0.8 percentile) are generally underestimated. While this leads to a relative deviation of -28\% of total TSS loads for the parking lot, the error is compensated for the flat roof (+5\%). Calibrated model parameters generally tend to generate wash-off proportional to runoff, which is indicated by mass-volume curves. The approach itself is, in general, applicable and creates a new opportunity to calibrate stormwater quality models especially when calibration data is limited.}, language = {en} } @inproceedings{LeutnantKleckersHaberkampetal.2018, author = {Leutnant, Dominik and Kleckers, Jonas and Haberkamp, Jens and Uhl, Mathias}, title = {In-situ-Monitoring der Reinigungsleistung großer dezentraler Niederschlagswasserbehandlungsanlagen}, series = {Regenwasser in urbanen R{\"a}umen - aqua urbanica trifft RegenwasserTage 2018}, booktitle = {Regenwasser in urbanen R{\"a}umen - aqua urbanica trifft RegenwasserTage 2018}, editor = {Schmitt, Theo G.}, publisher = {Technische Universit{\"a}t Kaiserslautern}, address = {Kaiserslautern}, organization = {Institut Wasser Infrastruktur Ressourcen}, isbn = {978-3-95974-086-9}, issn = {2570-1460}, pages = {191 -- 201}, year = {2018}, abstract = {Große dezentrale Niederschlagswasserbehandlungsanlagen werden mittels kontinuierlicher G{\"u}temesstechnik hinsichtlich ihrer Frachtwirkungsgrade an Standorten mit hohem Stoffaufkommen untersucht. Die Bilanzierung der Zulauf- und Ablauffrachten basiert auf dem Zusammenhang zwischen den abfiltrierbaren Stoffen (AFS) und der Tr{\"u}bung. Erste Ergebnisse der Installation der Messtechnik, des Datenmanagements und Frachtwirkungsgrade werden vorgestellt.}, language = {de} } @inproceedings{LeutnantKleckersHaberkampetal.2019, author = {Leutnant, Dominik and Kleckers, Jonas and Haberkamp, Jens and Uhl, Mathias}, title = {Assessing the Performance of Decentralised Stormwater Management Measures by means of Continuous Turbidity Measurement}, series = {Novatech 2019 - 10th international conference on Urban Water - Strategies and solutions for sustainable management}, booktitle = {Novatech 2019 - 10th international conference on Urban Water - Strategies and solutions for sustainable management}, pages = {130 -- 133}, year = {2019}, abstract = {The in-situ performance of large decentralised stormwater treatment systems is investigated by means of continuous turbidity measurements. Turbidity measurements are used as a surrogate to continuously estimate Total Suspended Solid (TSS) concentrations. TSS event loads are calculated at the inlet and outlet of two stormwater treatment systems, which both are installed at the outlet of catchments with high pollution potential. The event-specific performance is defined as ratio between TSS loads of inflow and outflow. Based on measurement data obtained, the overall TSS load retention efficiency is about 32 \%.}, language = {en} } @article{LeutnantDoeringUhl2019, author = {Leutnant, Dominik and D{\"o}ring, Anneke and Uhl, Mathias}, title = {swmmr - an R package to interface SWMM}, series = {Urban Water Journal}, volume = {16/2019}, journal = {Urban Water Journal}, number = {1}, doi = {10.1080/1573062X.2019.1611889}, pages = {68 -- 76}, year = {2019}, abstract = {The stormwater management model SWMM of the US EPA is widely used to analyse, design or optimise urban drainage systems. To perform advanced analysis and visualisations of model data this technical note introduces the R package swmmr. It contains functions to read and write SWMM files, initiate simulations from the R console and to convert SWMM model files to and from GIS data. Additionally, model data can be transformed to produce high quality visualisations. In accordance with SWMM's open source policy the package can be obtained through github.com or the Comprehensive R Archive Network (CRAN).}, language = {en} } @techreport{HoernschemeyerZamzowSeisetal.2023, author = {H{\"o}rnschemeyer, Birgitta and Zamzow, Malte and Seis, Wolfgang and Matzinger, Andreas and Maßmann, Stefanie and Plogmeier, Christoph and Arendt, Rosalie and Lewe, Mareike and Teichner, Pascal and Giesen, Alexander and Soumagn{\´e}, Sarah and Bach, Vanessa and Finkbeiner, Matthias and Uhl, Mathias}, title = {Leitfaden RessourcenPlan - Teil 2.1: Ressourcenmanagement Niederschlagswasser. Ergebnisse des Projekts R2Q RessourcenPlan im Quartier}, doi = {10.25974/fhms-15753}, url = {http://nbn-resolving.de/urn:nbn:de:hbz:836-opus-157531}, year = {2023}, language = {de} } @techreport{HoernschemeyerSoefkerRienietsNiestenetal.2023, author = {H{\"o}rnschemeyer, Birgitta and S{\"o}fker-Rieniets, Anne and Niesten, Jan and Arendt, Rosalie and Kleckers, Jonas and Stretz, Celestin and Klemm, Christian and Budde, Janik and Wagner, R{\"u}diger and Vonhoegen, Laura and Reicher, Christa and Grimsehl-Schmitz, Winona and Wirbals, Daniel and Stieglitz-Broll, Eva-Maria and Agatz, Kerstin and Bach, Vanessa and Finkbeiner, Matthias and Lewe, Mareike and Henrichs, Malte and Haberkamp, Jens and Walter, Gotthard and Flamme, Sabine and Vennemann, Peter and Zamzow, Malte and Seis, Wolfgang and Matzinger, Andreas and Sonnenberg, Hauke and Rouault, Pascale and Maßmann, Stefanie and Fuchs, Lothar and Plogmeier, Christoph and Steinkamp, Arne and Şereflioğlu, Şenay and M{\"u}ller, Claus and Spital, Matthias and Uhl, Mathias}, title = {Leitfaden RessourcenPlan - Teil 1: Konzeption RessourcenPlan. Ergebnisse des Projekts R2Q RessourcenPlan im Quartier}, publisher = {FH M{\"u}nster}, address = {M{\"u}nster}, organization = {IWARU Institut f{\"u}r Infrastruktur·Wasser·Ressourcen·Umwelt}, doi = {10.25974/fhms-15746}, url = {http://nbn-resolving.de/urn:nbn:de:hbz:836-opus-157463}, year = {2023}, language = {de} } @article{HoernschemeyerSoefkerRienietsNiestenetal.2022, author = {H{\"o}rnschemeyer, Birgitta and S{\"o}fker-Rieniets, Anne and Niesten, Jan and Arendt, Rosalie and Kleckers, Jonas and Klemm, Christian and Stretz, Celestin Julian and Reicher, Christa and Grimsehl-Schmitz, Winona and Wirbals, Daniel and Bach, Vanessa and Finkbeiner, Matthias and Haberkamp, Jens and Budde, Janik and Vennemann, Peter and Walter, Gotthard and Flamme, Sabine and Uhl, Mathias}, title = {The ResourcePlan — An Instrument for Resource-Efficient Development of Urban Neighborhoods}, series = {Sustainability}, volume = {14}, journal = {Sustainability}, number = {3}, publisher = {MDPI}, doi = {10.25974/fhms-14854}, url = {http://nbn-resolving.de/urn:nbn:de:hbz:836-opus-148545}, year = {2022}, abstract = {In Germany, the current sectoral urban planning often leads to inefficient use of resources, partly because municipalities lack integrated planning instruments and argumentation strength toward politics, investors, or citizens. The paper develops the ResourcePlan as (i) legal and (ii) a planning instrument to support the efficient use of resources in urban neighborhoods. The integrative, multi-methodological approach addresses the use of natural resources in the building and infrastructural sectors of (i) water (storm- and wastewater) management, (ii) construction and maintenance of buildings and infrastructure, (iii) urban energy system planning, and (iv) land-use planning. First, the development as legal instrument is carried out, providing (i) premises for integrating resource protection at all legal levels and (ii) options for implementing the ResourcePlan within German municipal structures. Second, the evaluation framework for resource efficiency of the urban neighborhoods is set up for usage as a planning instrument. The framework provides a two-stage process that runs through the phases of setting up and implementing the ResourcePlan. (Eco)system services are evaluated as well as life cycle assessment and economic aspects. As a legal instrument, the ResourcePlan integrates resource protection into municipal planning and decision-making processes. The multi-methodological evaluation framework helps to assess inter-disciplinary resource efficiency, supports the spatial identification of synergies and conflicting goals, and contributes to transparent, resource-optimized planning decisions.}, language = {de} } @inproceedings{HoernschemeyerHenrichsUhl2019, author = {H{\"o}rnschemeyer, Birgitta and Henrichs, Malte and Uhl, Mathias}, title = {Ein SWMM-Baustein f{\"u}r die Berechnung der Evapotranspiration von urbaner Vegetation}, series = {Tagungsband Aqua Urbanica 2019}, booktitle = {Tagungsband Aqua Urbanica 2019}, editor = {Burkhardt, Michael and Graf, C.}, organization = {HSR Hochschule f{\"u}r Technik, Rapperswil, Schweiz}, doi = {10.5281/zenodo.3384207}, pages = {133 -- 140}, year = {2019}, abstract = {Im Rahmen einer nachhaltigen Stadtentwicklung wird der Vegetation die Funktion der Beschattung und Verdunstung zugesprochen. Der Stadthydrologie fehlte hierf{\"u}r bislang ein geeignetes Simulationsmodell. Der entwickelte Modellbaustein SWMM-UrbanEVA erlaubt die standortgerechte Simulation der Verdunstung von Vegetation im urbanen Raum. F{\"u}r Freifl{\"a}chen erfolgt die Prozessmodellierung des Energie- und Wasserhaushaltes des Systems Boden-Pflanze-Atmosph{\"a}re. Mit meteorologischen und vegetationskundlichen Kenndaten wird eine raum-zeitlich differenzierte Berechnung erm{\"o}glicht.}, language = {de} }