Hydraulics

Channel Analysis — Manning uniform flow & section hydraulics

Open-channel hydraulics with Manning's equation: trapezoidal, rectangular, circular, and custom sections with normal/critical depth and rating curves.

What is Channel Analysis?

Open-channel hydraulics with Manning's equation: trapezoidal, rectangular, circular, and custom sections with normal/critical depth and rating curves.

When would you use this?

  • When you need defensible, documented hydrology or hydraulics inside a browser workflow.
  • When spreadsheets and desktop GIS are slowing down QA and client deliverables.

How Delta Hydro Studio handles it

  • Manning's: covered in the Delta Hydro Studio workspace for this tool.
  • Sections: covered in the Delta Hydro Studio workspace for this tool.
  • Rating curve: covered in the Delta Hydro Studio workspace for this tool.

How to use it

  1. 1

    Open the tool inside Delta Hydro Studio and create or select a project.

  2. 2

    Follow the guided inputs — maps, tables, and defaults reduce manual data entry.

  3. 3

    Run the calculation and review plots, diagnostics, and intermediate checks.

  4. 4

    Export Word, Excel, or GIS outputs for your report appendices.

Methodology & references

Full equations, assumptions, and literature references appear inside the in-app methodology panels for this tool, aligned with South African guidance (SANRAL TRH, SANCOLD, DWS technical manuals) and international references (USDA NRCS, FHWA HDS) where applicable.

Outputs & exports

Export professional Word and Excel report packs, tabulated results, and GIS-friendly layers depending on the tool. Screenshots in marketing materials are refreshed as the UI evolves — the studio always reflects the latest layout.

Ready to run Channel Analysis?

Free tier available — no credit card required to explore.

FAQ

Do I need a desktop GIS install to use Channel Analysis? +
No. Delta Hydro Studio runs in the browser — upload inputs, run calculations, and export professional outputs without local GIS installs for most workflows.
Is there a free tier? +
You can start free on the Stream plan with credits to explore tools. Several hydraulic and delineation tools remain accessible without a paid subscription.
Where are my data and calculations stored? +
Projects live in your Delta Hydro Studio workspace. Export Word, Excel, and GIS formats when you need offline archives or submittals.

Related tools

Ship compliant studies faster

Create your workspace on the Stream plan, then open Channel Analysis when you are ready to run production calculations.