Hydrograph recession analysis using wavelet transforms

Joko Sujono, Shiomi Shikasho, Kazuaki Hiramatsu

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

A technique for determining hydrograph recession characteristics is presented based on the wavelet transforms analysis. Like a signal, a flood hydrograph can be decomposed into a number of wavelet components. By using the wavelet component values in the form of wavelet maps, the recession characteristics such as a recession constant and a cut-off frequency are easily determined. The technique is demonstrated on three catchments ranging from small to large catchment areas at eastern New South Wales, Australia. The proposed method gives promising results and minimizes a number of problems associated with hydrograph recession analysis.

Original languageEnglish
Pages (from-to)557-564
Number of pages8
JournalJournal of the Faculty of Agriculture, Kyushu University
Volume45
Issue number2
Publication statusPublished - Feb 1 2001

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Agronomy and Crop Science

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