Next Article in Journal
Sensitivity Analysis to Investigate the Reliability of the Grid-Based Rainfall-Runoff Model
Next Article in Special Issue
Evaluation of Design Flow Rate of Water Supply Systems with Low Flow Showering Appliances
Previous Article in Journal
Variations of Fluvial Sediment Transport after Large Earthquakes: Field Study in Taiwan Catchments
Previous Article in Special Issue
A Comprehensive Review of Low Impact Development Models for Research, Conceptual, Preliminary and Detailed Design Applications
Open AccessArticle

Sensitivity of Model-Based Water Balance to Low Impact Development Parameters

Institute of Urban Water Management and Landscape Water Engineering, Graz University of Technology, Stremayrgasse 10/I, 8010 Graz, Austria
*
Author to whom correspondence should be addressed.
Water 2018, 10(12), 1838; https://doi.org/10.3390/w10121838
Received: 24 October 2018 / Revised: 5 December 2018 / Accepted: 10 December 2018 / Published: 12 December 2018
(This article belongs to the Special Issue Water Sensitive Urban Design)
Low impact development (LID) strategies aim to mitigate the adverse impacts of urbanization, like the increase of runoff and the decrease of evapotranspiration. Hydrological simulation is a reasonable option to evaluate the LID performance with respect to the complete water balance. The sensitivity of water balance components to LID parameters is important for the modeling and planning process of LIDs. This contribution presents the results of a global sensitivity analysis of model-based water balance components (runoff volume, evapotranspiration, groundwater recharge/storage change) using the US Environmental Protection Agency Storm Water Management Model to the parameters (e.g., soil thickness, porosity) of a green roof, an infiltration trench, and a bio-retention cell. All results are based on long-term simulations. The water balance and sensitivity analyses are evaluated for the long-term as well as single storm events. The identification of non-influential and most influential LID parameters for the water balance components is the main outcome of this work. Additionally, the influence of the storm event characteristics precipitation depth and antecedent dry period on the sensitivity of water balance components to LID parameters is shown. View Full-Text
Keywords: global sensitivity analysis; low impact development; stormwater management global sensitivity analysis; low impact development; stormwater management
Show Figures

Figure 1

MDPI and ACS Style

Leimgruber, J.; Krebs, G.; Camhy, D.; Muschalla, D. Sensitivity of Model-Based Water Balance to Low Impact Development Parameters. Water 2018, 10, 1838.

Show more citation formats Show less citations formats
Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.

Article Access Map

1
Water, EISSN 2073-4441, Published by MDPI AG
Back to TopTop