NDLI: Application of the Morris algorithm for sensitivity analysis of the REALM model for the Goulburn irrigation system

Content Provider	Springer Nature Link
Author	Braddock, R. D. Schreider, S. Yu.
Copyright Year	2006
Abstract	The REALM modelling shell is widely used in Australia as a water allocation modelling tool. It has been used to develop the Goulburn System Model (GSM) of the Goulburn, Broken, Loddon and Campaspe Rivers in northeastern Victoria. REALM represents the river and irrigation system as a network of storages and carriers. The model has been optimised to best represent the water harvesting and allocation for use by water management authorities. The model is analysed to assess the sensitivity of a subset of the model outputs, to a subset of the system parameters. The New Morris algorithm uses sampling paths generated in the space of the parameters, to generate points at which the model is run (to generate the model outputs). These model runs are then used to estimate the first and second-order effects of the parameters on the outputs. The results illustrate the mild linkage of the Goulburn and Broken systems, and the Broken system also shows differences between minimum and average outflows. The Goulburn is more sensitive to some of the numerical convergence parameters used in the allocation software, while the Broken is less sensitive to these factors. The numerical convergence factors also lead to important second-order effects.
Starting Page	297
Ending Page	313
Page Count	17
File Format	PDF
ISSN	14202026
Journal	Environmental Modeling & Assessment
Volume Number	11
Issue Number	4
e-ISSN	15732967
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	2006-07-21
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	sensitivity analysis water allocation model REALM Applications of Mathematics Mathematical Modeling and Industrial Mathematics Environment
Content Type	Text
Resource Type	Article
Subject	Environmental Science

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