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Including a-priori assessment of actual evapotranspiration for green roof daily scale hydrological modelling
- In the last decades, there has been a widespread implementation of Green Infrastructures worldwide. Among these, green roofs appear to be particularly flexible sustainable drainage facilities. To predict their effectiveness for planning purposes, a tool is required that provides information as a function of local meteorological variables. Thus, a relatively simple daily scale, one-dimensional water balance approach has been proposed. The crucial evapotranspiration process, usually considered as a water balance dependent variable, is replaced here by empirical relationships providing an a-priori assessment of soil water losses through actual evapotranspiration. The modelling scheme, which under some simplification can be used without a calibration process, has been applied to experimental runoff data monitored at a green roof located near Bernkastel (Germany), between April 2005 and December 2006. Two different empirical relationships have been used to model actual evapotranspiration, considering a water availability limited and an energy limited scheme. Model errors quantification, ranging from 2% to 40% on the long-term scale and from 1% to 36% at the event scale, appear strongly related to the particularly considered relationship.
Author: | Mirka Mobilia, Antonia Longobardi, Joachim F. Sartor |
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URN: | urn:nbn:de:hbz:tr5-1198 |
DOI: | https://doi.org/10.3390/w9020072 |
Parent Title (English): | Water |
Publisher: | MDPI |
Document Type: | Article (specialist journals) |
Language: | English |
Date of OPUS upload: | 2022/09/05 |
Date of first Publication: | 2017/01/24 |
Publishing University: | Hochschule Trier |
Release Date: | 2022/09/05 |
Tag: | actual evapotranspiration; advection-aridity method; antecedent precipitation index method; green infrastructures; green roof; sustainable urban drainage |
GND Keyword: | Stadtentwässerung; Dachbegrünung; Evapotranspiration |
Volume: | 9 |
Issue: | 2 |
Page Number: | 13 |
First Page: | 1 |
Last Page: | 13 |
Departments: | FB Bauen + Leben |
Dewey Decimal Classification: | 6 Technik, Medizin, angewandte Wissenschaften / 69 Hausbau, Bauhandwerk |
Licence (German): | Creative Commons - CC BY - Namensnennung 4.0 International |