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Identification Methods Applied to Two Danish Lakes

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Uncertainty and Forecasting of Water Quality

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Abbreviations

\(\overline \psi\) :

model state variables

\({\overline \psi ^{\rm{o}}}\) :

observed state variables

t :

time

\(\bar r\) :

space coordinates

ā:

parameter set

\(\bar \theta\) :

normalized parameter set

\(\bar \eta\) :

(weighted) residuals

s :

cubic splines

\(\bar \bar J\) :

(weighted) sensitivity matrix (Jacobian)

λ:

Marquardt parameter

i :

state variables (i = 1, 2, …, n)

j :

sampling times (j = 1, 2, …, m i )

k :

estimatable parameters (k = 1, 2, …, p)

r :

iterations in parameter search (r = 0, 1, 2, …)

¯:

(single bar) vector quantity

\(\bar \bar\) :

(double bar) matrix

T :

transposition

0 :

(zero) initial guess, and

o :

observed value

References

  • Di Toro, D.M. and van Straten, G. (1979). Uncertainty in the Parameters and Predictions of Phytoplankton Models. WP-79-29. International Institute for Applied Systems Analysis, Laxenburg, Austria.

    Google Scholar 

  • Fletcher, R. and Powell, M.J.D. (1963). A rapidly convergent descent method for minimization. Computer Journal, 6:163–168.

    Google Scholar 

  • Greville, T.N.E. (1967). Spline functions, interpolation and numerical quadrature. In A. Ralston and H.S. Wilfs (Editors), Mathematical Methods for Digital Computers. Vol. II. Wiley, Chichester.

    Google Scholar 

  • Jørgensen, S.E., Mejer, H., and Friis, M. (1978). Examination of a lake model. Ecological Modelling, 4:253–278.

    Article  Google Scholar 

  • Kamp-Nielsen, L. (1978). Modelling the vertical gradients in sedimentary phosphorus fractions. Verhandlungen des internationalen Vereins für Limnologie, 20:720–727.

    Google Scholar 

  • Lassiter, R.R. (1975). Modeling Dynamics of Biological and Chemical Components of Aquatic Ecosystems. EPA-660/3-75-012. US Environmental Protection Agency, Corvallis, Oregon.

    Google Scholar 

  • Mejer, H. (1978). Interactions Between Sediment and Water. Proceedings of the Nordic Symposium on Sediments, 6th, Hurdal. ISBN-82-990528-0-7. University of Oslo, Blindern, Norway.

    Google Scholar 

  • Mejer, H., Jørgensen, S.E., and Jørgensen, L.A. (1980a). On parameter estimation in lake modeling. Proceedings of the Task Force Meeting on Lake Balaton Modeling. Veszprém. 27–30 August, 1979. Vol. I, pp. 195–204.

    Google Scholar 

  • Mejer, H., Jørgensen, S.E., and Kamp-Nielsen, L. (1980b). A sediment phosphorus model. Proceedings of the Task Force Meeting on Lake Balaton Modeling. Veszprém. 27–30 August, 1979. Vol. II, pp. 104–131.

    Google Scholar 

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© 1983 International Institute for Applied Systems Analysis, Laxenburg/Austria

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Mejer, H., Jørgensen, L. (1983). Identification Methods Applied to Two Danish Lakes. In: Beck, M.B., van Straten, G. (eds) Uncertainty and Forecasting of Water Quality. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-82054-0_7

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  • DOI: https://doi.org/10.1007/978-3-642-82054-0_7

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-82056-4

  • Online ISBN: 978-3-642-82054-0

  • eBook Packages: Springer Book Archive

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