Modelling the time-dependent nature of the rainfall-runoff relationship using on-line identification

P. A. Troch, F. P. De Troch, J. Van Hyfte

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

This paper focusses on the problem of real-time calibration of the time-variant rainfall-runoff relationship. Two different approaches to adaptive modelling of dynamic systems, i.e. firstly the introduction of a "forgetting' factor and secondly the use of an additive Q matrix into the recursive algorithms for the linear parmameter estimation problem, are compared. It is found that, from an operational standpoint, the use of an additive Q matrix leads to better forecasting performance. The choice of the additional design parameters however is not trivial and in this paper it is based on a simulation study using several storm events for subcatchments of the river Meuse, Belgium. -Authors

Original languageEnglish (US)
Pages (from-to)519-530
Number of pages12
JournalUnknown Journal
StatePublished - Jan 1 1991
Externally publishedYes

ASJC Scopus subject areas

  • Environmental Science(all)
  • Earth and Planetary Sciences(all)

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