Evaluation of the hydraulic characteristics and flow pattern in a constructed wetland by means of tracer studies. Part 2

T. Machate, H. Behrens, D. Klotz, H. Noll, K. W. Schramm, A. Kettrup

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Investigations of the flow distribution within a planted unit of a constructed wetland plant confirmed the expected vertical flow. During the first time after injection the tracer (bromide) mainly distributes in the flooded region (10 cm above the substratum surface) and afterwards was translocated downwards. However no uniform superficial distribution was observed. Approx. 65% of the withdrawn tracer soaked downwards in the region near to the system inlet indicating an inhomogenous load of the planted area.

Original languageEnglish
Pages (from-to)642-647
Number of pages6
JournalFresenius Environmental Bulletin
Volume7
Issue number11-12
StatePublished - 1998
Externally publishedYes

Keywords

  • Constructed wetlands
  • Flow distribution
  • Residence time
  • Tracer

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