Ocean current transport section calculator

Calculate net volume transport and net transport with your own figures.

Your numbers

Use the units shown. Results update as you change valid inputs.

Use net volume transport and net transport to compare changes to your inputs. The method and limits below explain the scope.

Examples

Examples

Try the starting example

Section-normal velocities (m/s)
0.2,0.3,-0.1
Corresponding cell cross-sectional areas (m²)
1000,2000,1000
Net volume transport (m³/s)
700
Net transport (Sverdrup)
0.0007
Gross absolute transport (m³/s)
900

Try another scenario

Section-normal velocities (m/s)
[0.4, 0.6, -0.2]
Corresponding cell cross-sectional areas (m²)
[1000, 2000, 1000]
Net volume transport (m³/s)
1400
Net transport (Sverdrup)
0.0014
Gross absolute transport (m³/s)
1800
Calculation method

Calculation method

Net volume transport (m³/s)

Sum signed normal velocity×cell area.

Net transport (Sverdrup)

m³/s divided by1e6.

Gross absolute transport (m³/s)

Sum absolute cell transports; opposing flows do not cancel.

Symbols and units
a
Section-normal velocities (m/s)
b
Corresponding cell cross-sectional areas (m²)

Use the units shown. A list keeps the order in which you enter its values. The symbol ^ means “raised to the power of”.

Assumptions & limits

Assumptions & limits

  • Section velocities, cell areas. Returns Integrated volume transport. All coefficients and observations are user supplied; results describe only the stated mathematical model. Quantities are deterministic calculations from supplied observations and assumptions; no external data is fetched. Supported limits: Finite inputs only; numeric fields bounded as labelled. Lists and JSON records are limited to 256 entries unless a stricter tool bound is stated. No automatic design approval, legal conclusion, treatment recommendation or safety certification. Section-normal velocities (m/s): minimum None, maximum 1000000000000.0. Corresponding cell cross-sectional areas (m²): minimum 0, maximum 1000000000000.0.
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