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Study on the importance of green buildings focussing on stormwater management using a water balance calculation model

  • Maintaining balance in the hydrological cycle is crucial for nature, but extreme weather events such as droughts and heavy downpours can disrupt it. Unfortunately, the frequency of such events has increased in recent years and is expected to continue in the future (IPCC, 2021). Urban areas are particularly vulnerable to this condition, due to its sealed surfaces and limited green spaces resulting from anthropogenic activities. Decentralized stormwater management strategies are realised to be better in mitigating the effects of such events, and this research aims to explore the importance of green buildings in managing stormwater in the selected catchment areas. Two properties have been chosen for the study: an elementary school in Schauenstein and Hof University of Applied Science. The study examines in detail the general characteristics of the chosen areas, their historical climatic data, and the KOSTRA DATA (refer 3.7). The research analyses the selected buildings and their surrounding properties, the various components of theirMaintaining balance in the hydrological cycle is crucial for nature, but extreme weather events such as droughts and heavy downpours can disrupt it. Unfortunately, the frequency of such events has increased in recent years and is expected to continue in the future (IPCC, 2021). Urban areas are particularly vulnerable to this condition, due to its sealed surfaces and limited green spaces resulting from anthropogenic activities. Decentralized stormwater management strategies are realised to be better in mitigating the effects of such events, and this research aims to explore the importance of green buildings in managing stormwater in the selected catchment areas. Two properties have been chosen for the study: an elementary school in Schauenstein and Hof University of Applied Science. The study examines in detail the general characteristics of the chosen areas, their historical climatic data, and the KOSTRA DATA (refer 3.7). The research analyses the selected buildings and their surrounding properties, the various components of their water balance involved, the methods to calculate them, its advantages, limitations, and requirements were also compared. Based on the study, an excel-based calculation model has been developed focusing on the stormwater management aspect, to find out the major components involved in the water balance of the green building and its surrounding properties that can control surface runoff from the property. The developed calculation model works on the major aspects of water accumulation and consumption of selected green buildings and its surroundings. The tool can be used to predict runoff from the properties during different storm events, based on which the volume of a stormwater collection tank can be calculated, which can store runoff from the catchment area and can be used during droughts for irrigation purposes, thereby reducing the pressure on drainage flow and water treatment plants. The study also tries to identify the effects of water balance parameters like rainfall, evapotranspiration and storage on runoff from a property. The model also checks the tank's condition for future storm events with a 3, 5,10 and 100-year return period, using KOSTRA DATA 2020. Both the study areas are assumed to have green roofs, and the runoff results from the roofs occupied by them are validated using detention modeller software developed by green roof diagnostics.show moreshow less

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Metadaten
Author:Jasmin Rose Mundackal
URN:urn:nbn:de:bvb:1051-opus4-1797
DOI:https://doi.org/10.57944/1051-179
Advisor:Günter Müller-Czygan
Document Type:Master's Thesis
Language:English
Date of Publication (online):2024/04/12
Date of first Publication:2024/04/12
Publishing Institution:Hochschule für Angewandte Wissenschaften Hof
Granting Institution:University of Applied Sciences of Hof
Date of final exam:2023/06/07
Release Date:2024/04/12
Tag:Green buildings; evapotranspiration; purple roof; stormwater management; water balance model
Page Number:72
Institutes:Institut für Wasser- und Energiemanagement (iwe)
Licence (German):License LogoCreative Commons - CC BY - Namensnennung 4.0 International
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