Suspended sediment transport in flash floods of the semiarid northern Negev, Israel

Yulia Alexandrov, Jonathan B. Laronne, Ian Reid

Research output: Contribution to journalArticlepeer-review

30 Scopus citations


Our aim is to provide insight into various suspended sediment transport phenomena of upland ephemeral streams in a semiarid environment. Information about suspended sediment concentration is derived with the help of a programmable pump sampler and the continuous record of a turbidity sensor. Suspended sediment concentrations are high; the mean during six years of measurements was 34 000 mg l-1 and regression of suspended sediment concentration on water discharge takes the form SSC = 104.41 Q0.42 During individual flash floods, the suspended sediment-water discharge relation may be hysteretic (clockwise or counterclockwise) and/or monotonic. In spite of complicated intra-event behaviour, there is a good, deterministic (R2 > 0.9) relation between total suspended sediment yield and flood volume.

Original languageEnglish
Pages (from-to)346-352
Number of pages7
JournalIAHS-AISH Publication
Issue number278
StatePublished - 15 May 2003


  • Flash flood
  • Hysteretic response
  • Suspended sediment yield

ASJC Scopus subject areas

  • Water Science and Technology
  • Oceanography


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