Corps Shoaling Analysis Tool (CSAT)

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Corps Shoaling Analysis Tool

The CSAT calculates channel shoaling volumes using historical channel surveys and uses the shoaling rates to predict future dredging volumes. Shoaling rate grids can be used to identify hot spots or areas of increased sedimentation. The volume tables that quantify the amount of sediment needing to be dredged at depth and time increments also support decision making that will maximize the use of dredging funds and minimize disruption to vessel traffic through the navigation channels.

CSAT 1.0.x was run using a Matlab executable file and requires survey upload through eHydro for the channel. CSAT 2.0.x migrated from Matlab to using Python instead. CSAT is being developed jointly by CIRP and the Asset Management (AM) program.

CSAT 2.2

Updated 05 Aug 2020

System Requirements

  1. Remove existing Anaconda/Python2 or previous programs
  2. Install Anaconda/Python3 (3.7 or greater)
  • CorpsNet (USACE) users MUST request via ACE-IT app portal - ACEIT App Portal page
  • Other users can obtain the installation distribution here - Anaconda website
    • Add Anaconda to PATH environment variable when prompted.

Model files

  • Get the python code here - CSAT 2.2 Distribution (zip)
  • Follow the instructions found in the included Word documents:
    • "CSAT_py_directions_CORPS.docx" -- for Corps Employees using an ACEIT network connection.
    • "CSAT_py_directions.nonCORPS.docx" -- for all other users.
  • Example input/output files are available for download from here -
    • When prompted for a password for the share, enter "CSAT" (without quotes).
CSAT 1.0.2 archive

System Requirements

1. CorpsNet (USACE) users MUST Install Matlab Runtime 2017a from the app portal - ACEIT App Portal page
2. Other users skip this step and proceed to Model files

Model files


Other Documentation

  • Fact Sheet can be downloaded from here
  • Web mapping application to view the CSAT generated shoaling rate grid for the USACE coastal channels can be accessed from here
  • User Guide is in progress

POC: (ERDC) Michael Hartman,
POC: (ERDC) Lauren Dunkin,

US Army Engineer Research and Development Center (ERDC)
Coastal and Hydraulics Lab (CHL)