Japan's Beach Erosion: Reality and Future Measures (Advanced Series on Ocean Engineering)

CONTENTS......Page 8
Preface......Page 6
1. What is Beach Erosion?......Page 12
2.1. Classification of Causes of Beach Erosion......Page 18
2.2. Beach Erosion Due to Obstruction of Longshore Sand Transport......Page 24
2.2.1. Shibetsu Coast in Eastern Hokkaido......Page 25
2.2.2. Monbetsu Coast in Hidaka in Hokkaido......Page 30
2.2.3. Misawa Fishing Port in Aomori Prefecture......Page 34
2.2.4. Momosaki-hama Coast in Niigata Prefecture......Page 38
2.2.5. Shinkawa Fishing Port in Niigata Prefecture......Page 50
2.2.6. Fuji Coast in Shizuoka Prefecture......Page 65
2.2.7. Fukude Fishing Port in Shizuoka Prefecture......Page 72
2.2.8. Imazu-sakano Coast in Tokushima Prefecture......Page 75
2.2.9. Method of Addressing Issues......Page 79
REFERENCES (in Japanese)......Page 82
2.3.1. Teradomari and Nozumi Coasts in Niigata Prefecture......Page 84
2.3.2. Kashiwazaki Port and Arahama Coast in Niigata Prefecture......Page 92
2.3.3. Ohtsu Fishing Port in Ibaraki Prefecture......Page 104
2.3.4. Ajigaura Beach and Naka Coast in Ibaraki Prefecture......Page 111
2.3.5. Kemigawa Beach in Chiba Prefecture......Page 120
2.3.6. Tojo–Maebara Coast in Kamogawa City in Chiba Prefecture......Page 128
2.3.7. Shimobara Fishing Port in Tateyama City in Chiba Prefecture......Page 132
2.3.8. Asamogawa Coast in Kyoto Prefecture......Page 141
2.3.9. Tsutsuki Beach on Iki Island in Nagasaki Prefecture......Page 144
2.3.10. Shiratsuru Beach in Amakusa District in Kumamoto Prefecture......Page 151
2.3.11. Kashiwabara Coast in Kagoshima Prefecture......Page 162
2.3.12. Methods of Addressing Issues......Page 166
REFERENCES......Page 170
REFERENCES (in Japanese)......Page 171
2.4.1. Shizuoka and Shimizu Coasts in Shizuoka Prefecture......Page 173
2.4.2. Suruga Coast in Shizuoka Prefecture......Page 195
2.4.3. Tenryu River and Enshu-nada Coast in Shizuoka Prefecture......Page 202
2.4.4. Methods of Addressing Issues......Page 206
REFERENCES......Page 207
REFERENCES (in Japanese)......Page 208
2.5.1. Mouth of Sagami River in Kanagawa Prefecture......Page 209
2.5.2. Off Mouth of Niyodo River in Kochi Prefecture......Page 211
2.5.3. Off Sumiyoshi-hama Sand Spit in Oita Prefecture......Page 219
2.5.4. Methods of Addressing Issues......Page 224
REFERENCES......Page 225
2.6. Beach Erosion Triggered by Construction of Detached Breakwater as Countermeasure......Page 226
2.6.1. Ariake–Takahama Coast in Ibaraki Prefecture......Page 227
2.6.2. Ghotsu Coast in Shimane Prefecture......Page 241
2.6.3. Methods of Addressing Issues......Page 245
REFERENCES (in Japanese)......Page 246
2.7.1. Nakamura-hama Coast in Niigata Prefecture......Page 247
2.7.2. Node Coast in Chiba Prefecture......Page 260
2.7.3. Southern Kujukuri Coast in Chiba Prefecture......Page 273
2.7.4. Heisa-ura Coast in Chiba Prefecture......Page 280
2.7.5. Methods of Addressing Issues......Page 289
REFERENCES (in Japanese)......Page 293
2.8. Disappearance of Sandy Beach Triggered by Construction of Gently Sloping Revetment......Page 294
2.8.1. Isewan-seinan Coast in Mie Prefeture......Page 295
2.8.2. Kitanowaki Coast in Tokushima Prefecture......Page 302
2.8.3. Uchihama Coast on Miyako Island in Okinawa......Page 307
2.8.4. Methods of Addressing Issues......Page 312
REFERENCES (in Japanese)......Page 318
3.1. Characteristics of Practical Models......Page 320
3.2.1. Predictive Model......Page 322
3.2.2. Example......Page 323
3.3.1. Predictive Model......Page 326
3.3.2. Numerical Calculation Procedure......Page 328
3.3.3. Example......Page 329
3.4.1. Predictive Model......Page 338
3.4.2. Example......Page 340
3.5.1. Predictive Model......Page 342
3.5.2. Example......Page 347
3.6.1. Predictive Model......Page 353
3.6.2. Example......Page 358
3.7.1. Predictive Model......Page 363
3.7.2. Example......Page 365
3.8.1. Calculation Method......Page 374
3.8.2. Comparison of Results of Experiments and Numerical Simulations......Page 386
3.9.1. Predictive Model......Page 397
3.9.2. Examples......Page 404
REFERENCES......Page 412
4.1. Introduction......Page 416
4.2.1. Occurrence of Issues at Boundaries Between Shore Protection, Port, and Fishing Port Areas......Page 417
4.2.2. Relationship Between Dredging Operations and Beach Erosion......Page 419
4.2.3. Issues Arising from Conceptual Differences in Land Management by Coastal Act and Forest Law......Page 420
4.2.4. Issues Related to Method by Which Public Sectors Expend Their Budgets......Page 421
4.2.5. Work of Restoring Damaged Coast......Page 422
4.3. Technical Issues Related to Beach Erosion......Page 423
4.4. Concrete Measures......Page 424
REFERENCE......Page 427
Index......Page 428