Describing damage to stream modification projects in constrained settings

Cidney J. Jones, Peggy Ann Johnson

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Complex relationships between stream functions and processes make evaluation of stream modification projects difficult. Informed by vague objectives and minimal monitoring data, post-construction project evaluations can often be a subjective attribution of success or failure. This article provides a simple framework to rapidly describe the degree of damage in stream modification projects performed in constrained settings. Based on widely accepted evaluations of physical habitat quality and stream stability, the damage states framework describes a continuum of damage in multiple categories that relate natural stream functions to the often desired state of static equilibrium. Given that channel form is closely related to stream function, it follows that changes to the channel form result in changes in function. The damage states focus on damage to flow hydraulics, sediment transport and channel equilibrium, hydraulic, and geomorphic parameters that describe basic stream functioning and support higher level functions in the modified channel. The damage states can be used in decision making as a systematic method to determine the need for repair and design adjustments.

Original languageEnglish (US)
Pages (from-to)251-262
Number of pages12
JournalJournal of the American Water Resources Association
Volume51
Issue number1
DOIs
StatePublished - Feb 1 2015

Fingerprint

damage
hydraulics
habitat quality
project
repair
sediment transport
decision making
evaluation

All Science Journal Classification (ASJC) codes

  • Ecology
  • Water Science and Technology
  • Earth-Surface Processes

Cite this

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Describing damage to stream modification projects in constrained settings. / Jones, Cidney J.; Johnson, Peggy Ann.

In: Journal of the American Water Resources Association, Vol. 51, No. 1, 01.02.2015, p. 251-262.

Research output: Contribution to journalArticle

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