• Introduction
    • About this manual
    • How to use this manual
  • 1 Overview
    • 1.1 Context
    • 1.2 Features
    • 1.3 Configurations
    • 1.4 Science
    • 1.5 Versioning
    • 1.6 Support
      • 1.6.1 Tutorial models
      • 1.6.2 Demonstration Models
  • 2 Architecture
    • 2.1 Context
    • 2.2 Intention
    • 2.3 Core architecture
      • 2.3.1 Execution coordination
  • 3 Process descriptions
    • 3.1 Geolocation
    • 3.2 Pollutant export
      • 3.2.1 Constant
      • 3.2.2 Timeseries
      • 3.2.3 Material based export
    • 3.3 Interventions
      • 3.3.1 Mass removal
    • 3.4 Non-hydrologic surface loads
  • 4 Simulation construction
    • 4.1 Context
    • 4.2 Usage intent
    • 4.3 Initialisation
    • 4.4 General arrangement
      • 4.4.1 Folder structure
      • 4.4.2 Intended workflow
    • 4.5 TUFLOW CATCH control file
      • 4.5.1 Global commands
      • 4.5.2 Catchment hydraulic model (TUFLOW HPC) commands
      • 4.5.3 Catchment pollutant export model
      • 4.5.4 Receiving model (TUFLOW FV) commands
    • 4.6 Construction summary
      • 4.6.1 Supported configurations
      • 4.6.2 Other configurations
  • 5 Simulation execution
    • 5.1 Context
    • 5.2 Execution
  • 6 Outputs
    • 6.1 Context
    • 6.2 Core supported configurations
      • 6.2.1 Hydrology
      • 6.2.2 Pollutant export
      • 6.2.3 Integrated
    • 6.3 Check files
    • 6.4 Other outputs
  • Appendix
  • A Commands
    • Command syntax
    • Argument syntax
    • Commands
  • B Parameters
  • C Files and data fields
    • C.1 Surface water concentrations
    • C.2 Groundwater concentrations
    • C.3 Dry mass
    • C.4 Net mass
    • C.5 Instantaneous volumetric flux entering a groundwater layer
    • C.6 Time integrated volumetric flux entering a groundwater layer
    • C.7 Instantaneous mass flux entering a groundwater layer
    • C.8 Time integrated mass flux entering a groundwater layer
    • C.9 Other outputs
      • C.9.1 Mass balance
      • C.9.2 Receiving polygon
      • C.9.3 TUFLOW FV boundaries
  • D Demonstration model
    • D.1 Context
    • D.2 Domain
    • D.3 Numerical models
      • D.3.1 TUFLOW HPC
      • D.3.2 Pollutant export
      • D.3.3 TUFLOW FV
    • D.4 Simulation suite
    • D.5 Downloads
      • D.5.1 Binaries
      • D.5.2 Simulation files
    • D.6 Execution
    • D.7 Results interrogation
      • D.7.1 Example json file creation
      • D.7.2 Example results
    • D.8 Mass balance - Base Case
      • D.8.1 Concept
      • D.8.2 Configuration
      • D.8.3 Method
      • D.8.4 Results
    • D.9 Mass balance - Interventions
      • D.9.1 Concept
      • D.9.2 Configuration
      • D.9.3 Method
      • D.9.4 Results
    • D.10 Mass balance - Groundwater
      • D.10.1 Concept
      • D.10.2 Configuration
      • D.10.3 Method
      • D.10.4 Results
  • E Application under version control
    • E.1 Context
    • E.2 Use case
    • E.3 Possible workflow #1
    • E.4 Possible workflow #2

TUFLOW CATCH User Manual Release Candidate 2025.2

TUFLOW CATCH User Manual Release Candidate 2025.2

RELEASE CANDIDATE

This is an interim manual that accompanies the TUFLOW CATCH 2025.2.0-rc.1. The information contained within this interim version may vary from the subsequent final version.

Updated on 21 Jul 2025