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Coastal processes

H. K. Chang2010.2/23-6/22

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Contents

tides; (3weeks) homework#1 tidal analysis (report)

Sediment transport theory (two weeks);Shoreline evolution: (3weeks) homework#2 report of reading papersCoastal process (3weeks) genesis modelLearning via problem solving homework#3 (project report)

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Problem-solving learning

Active learning and construction of knowledge;

Cooperation and teamwork in leaning;

Learning via problem solving

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Topics

Investigation of shoreline revolution near Taichung harbor

Evaluation of headland control for Kaoshiung-Sitsiwuan shoreline

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Objective

shoreline revolution + headland control To know bathymetrical surveying and 2-D (3-D) plot

To analyze bathymetrical variation

To investigate shoreline revolution

To evaluate coastal protection

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Problem description

shoreline revolution

Beach accretion due to extension of breakwater after 20002

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Shoreline prediction by GENESIS model

自民國 91年至民國 95年，沿岸輸沙量 自民國 91年至民國 95年，沿岸輸沙量197000 198000 199000 200000 201000 202000 203000 204000 205000 206000

2687000

2688000

2689000

2690000

2691000

2692000

2693000

in itia l sh o re lin e (2 0 0 2 )ta rg e t sh o re lin e (2 0 0 6 )co m p u ted sh o re lin e (2 0 0 6 )

197000 198000 199000 200000 201000 202000 203000 204000 205000 2060002687000

2688000

2689000

2690000

2691000

2692000

2693000

in itia l sh o re lin e (2 0 0 2 )ta rg e t sh o re lin e (2 0 0 6 )co m p u ted sh o re lin e (2 0 0 6 )

year/m10220Q 34 year/m10150Q 34

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Academic learning beach evolution

To review bathymetrical survey and to know the format of obtained dataTo propose some methods indicating bathymetrical variationTo learn the Matlab and Genesis softwareTo know EOF (empirical eigen-function)

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Results beach evolution

To plot 2-D contours and beach profileTo compute bathymetrical variationTo determine resulting factors to bathymetrical variation To show shoreline evolution by genesis model To show the first two modes of EOF

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Problem description headland control

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Problem description headland control

Before construction

After construction

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Academic learning

headland control

To propose some methods indicating bathymetrical variationTo learn the headland controlTo learn the MSC modelTo learn the method of evaluating the headland control

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Results

headland control

To plot 2-D contours and beach profile

To compute bathymetrical variation

To determine some factors of evaluating headland control

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Execution of problem- solving

Team ： one leader and some members

Cooperation and teamwork in leaning

Final report :writing techniques

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Evaluation

Class presence and performance: (20%)

Home work (20%)

Presentation and Report : (60%)

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Teaching and Group meeting

Teaching: (2/23-5/25)

Group meeting : (5/25-6/15)

Presentation (report): (6/22)