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2019 | OriginalPaper | Buchkapitel

Model Based Estimation of a Natural Water Balance as Reference for Planning in Urban Areas

verfasst von : Malte Henrichs, Andreas Steinbrich, Hannes Leistert, Isabel Scherer, Tobias Schuetz, Mathias Uhl, Markus Weiler

Erschienen in: New Trends in Urban Drainage Modelling

Verlag: Springer International Publishing

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Abstract

The water balance of urban areas differs considerably from the landscape water balance. Increased surface runoff, reduced groundwater recharge and evaporation change the hydrological regime, the morphology and ecology of water bodies close to the cities, the groundwater in the urban area and the urban climate. Today’s urban drainage systems are designed to prevent, reduce, drain, seep away, evaporate or discharge precipitation into nearby surface waters with considerable delays. In doing so, it follows the principles of the German Water Resources Act (WHG) and the objectives of the relevant technical regulations DWA-A 102 to keep changes in the natural water balance by settlement activities as low as ecologically, technically and economically acceptable. A reference for the “natural” water balance has to be defined as a planning objective in order to quantify the hydrological changes in settlements. As a suitable reference, we propose to use the water balance of the landscape of the associated ecoregion with today’s cultural land use without urban developments. This approach is more suitable to define local conditions than the water balance of the enclosed catchment. The presented calculation approach to define reference values of the water balance, uses soil and geological properties, precipitation and climate data and can be implemented and applied uniformly throughout Germany. The water balances in this study are simulated with the water balance model RoGeR. In this study, the developed approach is applied for five locations in Germany.
Literatur
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Zurück zum Zitat Henrichs, M., Langner, J., Uhl, M.: Development of a simplified urban water balance model (WABILA). Water Sci. Technol. 73(8), 1785–1795 (2016) CrossRef Henrichs, M., Langner, J., Uhl, M.: Development of a simplified urban water balance model (WABILA). Water Sci. Technol. 73(8), 1785–1795 (2016) CrossRef
Zurück zum Zitat Scherer, I., Henrichs, M., Uhl, M., Schuetz, T., Weiler, M., Hackenbroch, K., König, F., Freytag, T.: Planungsinstrumente und Bewirtschaftungskonzepte für den Wasserhaushalt in Siedlungen. Korrespondenz Wasserwirtschaft 4(17), 221–228 (2017). (in German) Scherer, I., Henrichs, M., Uhl, M., Schuetz, T., Weiler, M., Hackenbroch, K., König, F., Freytag, T.: Planungsinstrumente und Bewirtschaftungskonzepte für den Wasserhaushalt in Siedlungen. Korrespondenz Wasserwirtschaft 4(17), 221–228 (2017). (in German)
Zurück zum Zitat Steinbrich, A., Leistert, H., Weiler, M.: Model-based quantification of runoff generation processes at high spatial and temporal resolution. Environ. Earth Sci. 75(1423), 1–16 (2016) Steinbrich, A., Leistert, H., Weiler, M.: Model-based quantification of runoff generation processes at high spatial and temporal resolution. Environ. Earth Sci. 75(1423), 1–16 (2016)
Zurück zum Zitat Steinbrich, A., Henrichs, M., Leistert, H., Scherer, I., Schuetz, T., Uhl, M., Weiler, M.: Estimation of a natural water balance as reference for planning in urban areas. Hydrologie und Wasserbewirtschaftung (2018). (submitted, in German) Steinbrich, A., Henrichs, M., Leistert, H., Scherer, I., Schuetz, T., Uhl, M., Weiler, M.: Estimation of a natural water balance as reference for planning in urban areas. Hydrologie und Wasserbewirtschaftung (2018). (submitted, in German)
Metadaten
Titel
Model Based Estimation of a Natural Water Balance as Reference for Planning in Urban Areas
verfasst von
Malte Henrichs
Andreas Steinbrich
Hannes Leistert
Isabel Scherer
Tobias Schuetz
Mathias Uhl
Markus Weiler
Copyright-Jahr
2019
DOI
https://doi.org/10.1007/978-3-319-99867-1_164