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Infragravity Runup Methods: 1D or 2D? /

Henderson, Cassandra Starr,

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Infragravity Runup Methods: 1D or 2D? /

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Infragravity Runup Methods: 1D or 2D? // Cassandra Starr Henderson.
作者:	Henderson, Cassandra Starr,
面頁冊數:	1 electronic resource (109 pages)
附註:	Source: Dissertations Abstracts International, Volume: 86-04, Section: B.
Contained By:	Dissertations Abstracts International86-04B.
標題:	Physical oceanography. -
電子資源:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=31489450
ISBN:	9798384493709

Infragravity Runup Methods: 1D or 2D? /
Henderson, Cassandra Starr,

Infragravity Runup Methods: 1D or 2D? /Cassandra Starr Henderson. - 1 electronic resource (109 pages)

Source: Dissertations Abstracts International, Volume: 86-04, Section: B.

Infragravity (IG) waves are long period ocean waves (nominally 25 to 250 seconds) generated by nonlinear, long period variations in the momentum flux of incident sea swell (nominally 4 to 25 sec) wave groups in shallow water. IG waves are ubiquitous on the shoreline, can dominate the runup during storms, and contribute to wave driven flooding. Predicting IG waves with numerical wave models or empirically are a current research topic in Nearshore Physical Oceanography.In chapter 1, we initialize the the nonhydrostatic numerical wave model SWASH with measurements in 6m depth and compare model predictions to LiDAR observations of wave runup and overtopping in Imperial Beach, CA. SWASH (1D) skillfully predicts wave by wave runup and overtopping.In chapter 2, we challenge the 1D assumption inherent in chapter 1 by examining the impacts of infragravity edge waves propagating alongshore (in 2D) as well as cross-shore, using observations over 2 months at Torrey Pines. Edge waves can be up to 25% of the runup variance, and are most significant (sometimes¿ 80%) for alongshore velocities. SWASH 1D lacks 2D edge waves, but partially compensates by overpredicting non-edge (e.g. leaky ) IG waves. Edge waves contribute to errors in 1D methodologies.In the appendix, SWASH 2D is used to simulate infragravity edge waves, and demonstrate a need for further development of modeling methodologies.

English

ISBN: 9798384493709Subjects--Topical Terms:

3168433
Physical oceanography.
Subjects--Index Terms:

Edge waves

Infragravity Runup Methods: 1D or 2D? /
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100 1 $a Henderson, Cassandra Starr, $e author. $3 3816932
245 1 0 $a Infragravity Runup Methods: 1D or 2D? / $c Cassandra Starr Henderson.
264 1 $a Ann Arbor : $b ProQuest Dissertations & Theses, $c 2024
300 $a 1 electronic resource (109 pages)
336 $a text $b txt $2 rdacontent
337 $a computer $b c $2 rdamedia
338 $a online resource $b cr $2 rdacarrier
500 $a Source: Dissertations Abstracts International, Volume: 86-04, Section: B.
500 $a Advisors: Merrifield, Mark A. Committee members: Cornuelle, Bruce D.; Fiedler, Julia W.; Guza, Robert T.; Pawlak, Geno.
502 $b Ph.D. $c University of California, San Diego $d 2024.
520 $a Infragravity (IG) waves are long period ocean waves (nominally 25 to 250 seconds) generated by nonlinear, long period variations in the momentum flux of incident sea swell (nominally 4 to 25 sec) wave groups in shallow water. IG waves are ubiquitous on the shoreline, can dominate the runup during storms, and contribute to wave driven flooding. Predicting IG waves with numerical wave models or empirically are a current research topic in Nearshore Physical Oceanography.In chapter 1, we initialize the the nonhydrostatic numerical wave model SWASH with measurements in 6m depth and compare model predictions to LiDAR observations of wave runup and overtopping in Imperial Beach, CA. SWASH (1D) skillfully predicts wave by wave runup and overtopping.In chapter 2, we challenge the 1D assumption inherent in chapter 1 by examining the impacts of infragravity edge waves propagating alongshore (in 2D) as well as cross-shore, using observations over 2 months at Torrey Pines. Edge waves can be up to 25% of the runup variance, and are most significant (sometimes¿ 80%) for alongshore velocities. SWASH 1D lacks 2D edge waves, but partially compensates by overpredicting non-edge (e.g. leaky ) IG waves. Edge waves contribute to errors in 1D methodologies.In the appendix, SWASH 2D is used to simulate infragravity edge waves, and demonstrate a need for further development of modeling methodologies.
546 $a English
590 $a School code: 0033
650 4 $a Physical oceanography. $3 3168433
650 4 $a Ocean engineering. $3 660731
653 $a Edge waves
653 $a Infragravity waves
653 $a Nearshore
653 $a Numerical wave modeling
653 $a Ocean waves
690 $a 0415
690 $a 0547
710 2 $a University of California, San Diego. $b Scripps Institution of Oceanography. $e degree granting institution. $3 3814514
720 1 $a Merrifield, Mark A. $e degree supervisor.
773 0 $t Dissertations Abstracts International $g 86-04B.
790 $a 0033
791 $a Ph.D.
792 $a 2024
856 4 0 $u https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=31489450