Breaker Depth Index given Set-down at Breaker Point at Still-Water Shoreline Solution

STEP 0: Pre-Calculation Summary
Formula Used
Breaker Depth Index = sqrt(8/3*((Water Depth at Breaking/(Setup at the Still-Water Shore Line-Set Down at the Breaker Point))-1))
γb = sqrt(8/3*((db/(ηs-ηb))-1))
This formula uses 1 Functions, 4 Variables
Functions Used
sqrt - A square root function is a function that takes a non-negative number as an input and returns the square root of the given input number., sqrt(Number)
Variables Used
Breaker Depth Index - Breaker Depth Index is the ratio of the wave height at breaking, to the water depth, at the breakpoint.
Water Depth at Breaking - (Measured in Meter) - Water Depth at Breaking is the depth of water where ocean surface waves start to break as they approach the shore which depends on the wave climate and is therefore highly variable.
Setup at the Still-Water Shore Line - (Measured in Meter) - Setup at the Still-Water Shore Line is the increase in mean water level due to the presence of breaking waves.
Set Down at the Breaker Point - (Measured in Meter) - Set Down at the Breaker Point where wave setdown is a wave-induced decrease of the mean water level before the waves break.
STEP 1: Convert Input(s) to Base Unit
Water Depth at Breaking: 55 Meter --> 55 Meter No Conversion Required
Setup at the Still-Water Shore Line: 53 Meter --> 53 Meter No Conversion Required
Set Down at the Breaker Point: 0.23 Meter --> 0.23 Meter No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
γb = sqrt(8/3*((db/(ηsb))-1)) --> sqrt(8/3*((55/(53-0.23))-1))
Evaluating ... ...
γb = 0.335693746144917
STEP 3: Convert Result to Output's Unit
0.335693746144917 --> No Conversion Required
FINAL ANSWER
0.335693746144917 0.335694 <-- Breaker Depth Index
(Calculation completed in 00.004 seconds)

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Coorg Institute of Technology (CIT), Coorg
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Wave Setup Calculators

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Breaker Depth Index given Set-down at Breaker Point at Still-Water Shoreline Formula

​LaTeX ​Go
Breaker Depth Index = sqrt(8/3*((Water Depth at Breaking/(Setup at the Still-Water Shore Line-Set Down at the Breaker Point))-1))
γb = sqrt(8/3*((db/(ηs-ηb))-1))

What is Wave Runup & Wave Setup and Setdown?

Wave runup is the maximum vertical extent of wave uprush on a beach or structure above the still water level (SWL). It is the sum of wave set-up and swash uprush (see Swash Zone Dynamics) and must be added to the water level reached as a result of tides and wind set-up.
The wave setup is the increase in mean water level due to the presence of breaking waves. Similarly, wave set down is a wave-induced decrease of the mean water level before the waves break.
The wave setdown is a wave-induced decrease of the mean water level before the waves break (during the shoaling process). For short, the whole phenomenon is often denoted as wave setup, including both increase and decrease of mean elevation.

Define Breaking Wave & cause of Regular Waves.

In fluid dynamics, a breaking wave or breaker is a wave whose amplitude reaches a critical level at which some process can suddenly start to occur causing large amounts of wave energy to be transformed into turbulent kinetic energy.
Waves are most commonly caused by wind. Wind-driven waves, or surface waves, are created by the friction between wind and surface water. As the wind blows across the surface of the ocean or a lake, the continual disturbance creates a wave crest. The gravitational pull of the Sun and Moon on the Earth causes waves.

How to Calculate Breaker Depth Index given Set-down at Breaker Point at Still-Water Shoreline?

Breaker Depth Index given Set-down at Breaker Point at Still-Water Shoreline calculator uses Breaker Depth Index = sqrt(8/3*((Water Depth at Breaking/(Setup at the Still-Water Shore Line-Set Down at the Breaker Point))-1)) to calculate the Breaker Depth Index, The Breaker Depth Index given Set-down at Breaker Point at Still-Water Shoreline formula is defined as the ratio of wave height and still water depth at the shoreface location where waves start breaking. Breaker Depth Index is denoted by γb symbol.

How to calculate Breaker Depth Index given Set-down at Breaker Point at Still-Water Shoreline using this online calculator? To use this online calculator for Breaker Depth Index given Set-down at Breaker Point at Still-Water Shoreline, enter Water Depth at Breaking (db), Setup at the Still-Water Shore Line s) & Set Down at the Breaker Point b) and hit the calculate button. Here is how the Breaker Depth Index given Set-down at Breaker Point at Still-Water Shoreline calculation can be explained with given input values -> 0.62361 = sqrt(8/3*((55/(53-0.23))-1)).

FAQ

What is Breaker Depth Index given Set-down at Breaker Point at Still-Water Shoreline?
The Breaker Depth Index given Set-down at Breaker Point at Still-Water Shoreline formula is defined as the ratio of wave height and still water depth at the shoreface location where waves start breaking and is represented as γb = sqrt(8/3*((db/(ηsb))-1)) or Breaker Depth Index = sqrt(8/3*((Water Depth at Breaking/(Setup at the Still-Water Shore Line-Set Down at the Breaker Point))-1)). Water Depth at Breaking is the depth of water where ocean surface waves start to break as they approach the shore which depends on the wave climate and is therefore highly variable, Setup at the Still-Water Shore Line is the increase in mean water level due to the presence of breaking waves & Set Down at the Breaker Point where wave setdown is a wave-induced decrease of the mean water level before the waves break.
How to calculate Breaker Depth Index given Set-down at Breaker Point at Still-Water Shoreline?
The Breaker Depth Index given Set-down at Breaker Point at Still-Water Shoreline formula is defined as the ratio of wave height and still water depth at the shoreface location where waves start breaking is calculated using Breaker Depth Index = sqrt(8/3*((Water Depth at Breaking/(Setup at the Still-Water Shore Line-Set Down at the Breaker Point))-1)). To calculate Breaker Depth Index given Set-down at Breaker Point at Still-Water Shoreline, you need Water Depth at Breaking (db), Setup at the Still-Water Shore Line s) & Set Down at the Breaker Point b). With our tool, you need to enter the respective value for Water Depth at Breaking, Setup at the Still-Water Shore Line & Set Down at the Breaker Point and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
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