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Add spectra modulation figure
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milancurcic committed Apr 30, 2024
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40 changes: 37 additions & 3 deletions slides/title.md
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Expand Up @@ -9,20 +9,43 @@ _Department of Ocean Science, University of Miami_

_Frost Insitute for Data Science & Computing, University of Miami_

_WISE 2024, Cargèse, France_
_COMPASS Seminar Series, Rosenstiel School_

_May 1, 2024_
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<section>

## Problem statement

* Short waves are modulated by ambient longer waves.
* Short ocean waves are modulated by ambient longer waves.
* Well studied but not fully understood; many processes going on.
* Modulation is important for at least:
- Remote sensing (e.g. *EM return from Bragg waves carry information about long waves*)
- Numerical wave prediction (e.g. *can different wave bands be treated independently in wind input functions?*)
- _In situ_ measurements (e.g. *a fixed wave staff measures modulated waves.*)
- _in situ_ measurements (e.g. *a fixed wave staff measures modulated waves.*)
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<section>

## Importance for remote sensing

TODO
</section>

<section>

## Importance for numerical wave prediction

* Numerical wave models solve the wave action balance equation.
* This equation includes empirical source and sink functions.
* Wave forecast models provide:
- Critical information for marine operations and coastal communities
- Surface boundary conditions for atmosphere and ocean circulation models
* State-of-the-art wave dissipation functions (e.g. Romero, 2019) parameterize
this modulation effect through the cumulative mean square slope (MSS).
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Expand All @@ -34,6 +57,17 @@ _WISE 2024, Cargèse, France_
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<section>

## Importance for the interpretation of _in situ_ wave measurements

* Fixed sensor measures the modulated wave, not the intrinsic one.
* Measured short-wave energy ($k = 10\ rad/m$) will be "smeared" in wavenumber space in presence of longer waves.

<img class="stretch" src="assets/fig_modulation_effect_on_shortwave_spectra.png">
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<section>

## One possible look at hydrodynamic modulation
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