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Form analysis

Method indicator
Bottom-Up Hybrid Top-Down

Summary of key issues:

Issue Description
Description The use of power laws to describe the longitudinal variation in the width and depths of estuaries and creeks; and to generate a 3-D result that can be fitted to a wide variety of forms exhibited by creeks and estuaries.
Temporal applicability Can be applied to 10 – 100 years (medium term) with sea level rise.
Spatial applicability Whole estuary or individual channel.
Links with other tools Estuary Translation; can provide a useful representation for exploration of analytical and numerical tools.
Data sources
  • Estuary parameters, including position of longitudinal thalweg (total depth), width, hydraulic depth, tidal wave propagation;
  • Coastal protection / defences;
  • Description of surrounding catchment to provide setting.
Necessary software tools / skills Mathcad experience.
Typical analyses Exploring the magnitude of estuary transgression, and design of intertidal creek systems.
Limitations Only considers sediment balance and so may require some input from other type of model in order to make predictions.

Read the full PDF document for more information on this methodPDF version

Analysis and modelling

Last Modified on: 19 June 2011
Printed from the Estuary Guide on 18/07/2024 02:26:37