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Water Resources Management

Erschienen in:

01.03.2014

Runoff Reduction Capabilities and Irrigation Requirements of Green Roofs

verfasst von: Yiping Guo, Shouhong Zhang, Shuguang Liu

Erschienen in: Water Resources Management | Ausgabe 5/2014

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Abstract

In this study, the hydrologic and hydraulic processes occurring in green roofs are analyzed and the similarities and differences in the rainfall-runoff transformation between green roofs and regular catchments are identified. Analytical equations, which can be used to evaluate the long-term average runoff reduction rates, fractions of time when irrigation is needed, and irrigation water requirements of both extensive and intensive green roofs with or without storage layers, are derived by modifying or extending the analytical probabilistic model which was previously developed to model probabilistically the rainfall-runoff processes occurring on regular catchments. The accuracy of these analytical equations is verified by comparing with continuous simulation results. Also demonstrated in this paper are the performances of green roofs with widely different hydrologic designs under arid and humid climate conditions.

Vorheriger Artikel Optimization of River Water Quality Surveys by Multivariate Analysis of Physicochemical, Bacteriological and Ecotoxicological Data

Nächster Artikel Implementation of Artificial Neural Networks in Modeling the Water-Air Temperature Relationship of the River Drava

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Titel: Runoff Reduction Capabilities and Irrigation Requirements of Green Roofs
verfasst von: Yiping Guo
Shouhong Zhang
Shuguang Liu
Publikationsdatum: 01.03.2014
Verlag: Springer Netherlands
Erschienen in: Water Resources Management / Ausgabe 5/2014
Print ISSN: 0920-4741
Elektronische ISSN: 1573-1650
DOI: https://doi.org/10.1007/s11269-014-0555-9

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