Deepwater Wave Height For Total Transport Calculator

Formula Used:

\[ Deepwater\ Wave\ Height = \sqrt{Total\ Littoral\ Transport\ in\ cubic\ meter\ per\ year/(1.65 \times 10^6)} \]

Deepwater Wave Height:

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1. What is Deepwater Wave Height?

Deepwater Wave Height is the vertical distance between the crest (highest point) and the trough (lowest point) of a wave in deep water. It's a crucial parameter in coastal engineering and sediment transport studies.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ H_d = \sqrt{S'/(1.65 \times 10^6)} \]

Where:

\( H_d \) — Deepwater Wave Height (m)
\( S' \) — Total Littoral Transport (m³/year)
1.65 × 10⁶ — Empirical constant

Explanation: This formula calculates the deepwater wave height based on the total littoral transport, which is the sum of the absolute values of transport of non-cohesive sediments in the littoral zone along shoreline mainly due to breaking waves.

3. Importance of Wave Height Calculation

Details: Accurate wave height estimation is crucial for coastal engineering projects, shoreline management, sediment transport studies, and predicting coastal erosion patterns.

4. Using the Calculator

Tips: Enter the total littoral transport value in cubic meters per year. The value must be a positive number greater than zero.

5. Frequently Asked Questions (FAQ)

Q1: What is littoral transport?
A: Littoral transport refers to the movement of sediments (sand, gravel) along the shoreline caused by wave action and currents.

Q2: Why is the constant 1.65 × 10⁶ used?
A: This is an empirical constant derived from field observations and studies of sediment transport relationships with wave energy.

Q3: What are typical values for littoral transport?
A: Littoral transport rates vary widely depending on location, ranging from a few thousand to several million cubic meters per year.

Q4: How accurate is this calculation?
A: This provides an estimate based on empirical relationships. For precise engineering applications, additional factors and site-specific measurements should be considered.

Q5: Can this formula be used for all coastal areas?
A: While generally applicable, local conditions such as sediment characteristics, wave climate, and coastal morphology may affect the accuracy of the results.