NDLI: Review of the current methods used to assess the values of coefficients, sensitivity, and adequacy of simulation models of aquatic ecosystems

Content Provider	Springer Nature Link
Author	Podgornyi, K. A. Leov, A. V.
Copyright Year	2015
Abstract	The major principles, current methods, and approaches to solving optimization problems in assessing parameters for simulation models of aquatic ecosystems and their sensitivity to changes in the values of model parameters are considered. Analysis of the practical application of different methods to model calibration shows that no method of global optimization for complex hydrological models and models of aquatic ecosystems can guarantee obtaining a unique and best solution. Some results are shown, which have been obtained in solving the problem of the choice of parameters for the biohydrochemical block of a simulation model of Neva Bay (NB), the Gulf of Finland. The process of solving the optimization problem is formalized in the form of a two-stage direct-search algorithm: a random search algorithm (global search in the entire parameter space), followed by a local search by a modified Nelder-Mead simplex method.
Starting Page	477
Ending Page	499
Page Count	23
File Format	PDF
ISSN	00978078
Journal	Water Resources
Volume Number	42
Issue Number	4
e-ISSN	1608344X
Language	English
Publisher	Pleiades Publishing
Publisher Date	2015-07-14
Publisher Place	Moscow
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	ecosystem biogenic elements mathematical modeling ecological simulation model hydrological model local and global optimization model calibration and verification Hydrogeology Hydrology/Water Resources Waste Water Technology Water Pollution Control Water Management Aquatic Pollution
Content Type	Text
Resource Type	Article
Subject	Water Science and Technology

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