Shore protection
Permanent URI for this collectionhttps://hdl.handle.net/1969.3/28734
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Item Natural Hazard Response and Planning in Tropical Queensland(University of Colorado Institute of Behavioral Science, 1978-07) Oliver, JohnThis paper analyzes the problems of natural hazard response and planning in tropical Queensland, Australia. It examines whether concepts and findings developed by natural hazard studies, particularly in the USA, are applicable to other hazard prone areas, in this case that of tropical Queensland. Comparative studies require, first of all, the examination of the nature and behavior of the natural hazard. Attention is directed to the particular complex of hazard conditions which result from tropical cyclones, so that it can be assessed whether any distinctive features characterize their behavior in the Queensland area. A survey of the relevant circumstances of the economy and society is then undertaken. From this it is possible to examine the particular effects upon the coastal communities that may arise in the Queensland area from the occurrence of tropical cyclones. These preliminary surveys lead to the main analysis of hazard response and of the forms of adjustment that are available in the circumstances discussed in the first part of the paper. It becomes apparent that a number of final assessments must await further investigations in depth. In the case of tropical Queensland, as elsewhere, the importance of additional natural hazard research is evident. Nevertheless the paper can contribute to the comparative understanding of the significance of the tropical cyclone hazard.Item Galveston's Bulwark Against the Sea(U.S. Army Corps of Engineers, 1981-10) U.S. Army Corps of EngineersItem Coastal Zone Management(1990-04) Gilbert, J.; Vellinga, P.Item King Harbor, Redondo Beach, California, Breakwater Stability Study: Hydraulic Model Investigation Final Report(U.S. Army Corps of Engineers, 1990-06) Smith, Ernest R.; Dubose, Willie G.; Carver, Robert D.A hydraulic model investigation of proposed breakwater modifications to King Harbor, Redondo Beach, California, was conducted at a geometrically undistorted scale of 1:35, model to prototype. Five breakwater cross sections were each subjected to 15 design wave and water-level conditions. Plans I through 3 consisted of variations of armor unit size on the rehabilitation sections. A transition layer of small stones was included in Plans 4 and 5 to reduce wave transmission. Data collected were displaced stones, qualitative overtopping observations, and wave transmission. Plan 5 gave the best combination of stability and reduction of wave transmission.Item Redondo Beach King Harbor, California, Design for Wave Protection: Coastal Model Investigation Final Report(U.S. Army Corps of Engineers, 1991-04) Bottin, Robert R.; Mize, Marvin G.A 1:75-scale, three-dimensional hydraulic model was used to investigate the design of proposed breakwater modifications at Redondo Beach King Harbor, California, with respect to wave conditions in the harbor. The model reproduced approximately 8,800 ft of the California shoreline and included the existing harbor and offshore bathymetry in the Pacific Ocean to a depth of -60 ft. Improvement plans consisted of raising the crest elevation of portions on the north breakwater both with and without installing a transition layer of smail stone, and extending the length ard crest elevation of the south breakwater. An 80-ft-long unidirectional, spectral wave generator, and an Automated Data Acquisition and Control System were utilized in model operation. It was concluded from test results that: a. Existing conditions are characterized by very rough and turbulent wave conditions with wave heights up to 8 ft along the moles for 50-year conditions. b. Of the original improvement plans tested with the seaward wing of the north breakwater raised to an elevation of +20 ft (Plans I through 7), Plan 6 provided the greatest wave protection within the harbor. Wave heights along the moles exceeded the criteria, however, by 1.0 ft for 50-year conditions. c. Of the improvement plans tested with portions of the north breakwater raised to elevations of +24 and +20 ft (Plans 8 through 10), Plan 9 provided the greatest wave protection within the harbor. Wave heights exceeded the criteria along the moles by 0.7 ft for 50-year wave conditions. d. Of the improvement plans tested with the seaward wing of the north breakwater sealed with small stone and raised to an elevation of +20 ft (Plans 10 through 14), Plan 12 provided the greatest degree of wave protection to the harbor. For 50-year wave conditions, wave heights met the established waveheight criteria along the moles within the harbor. e. Of all the improvement plans tested (Plans I through 14), Ilan 14 was considered optimal considering wave protection and construction costs. f. Comprehensive wave-height tests conducted for Plan 14 indicated that the established wave-height criteria in the harbor would be met or only slightly exceeded for waves up to a 100-year recurrence from 240 and 260 deg. Waves in excess of 10 ft in height from 220 deg, however, in some cases, will significantly exceed the criteria particularly at Mole D and the entrance to Basin 3.Item Rubble-mound Breakwater Wave-Attenuation and Stability Tests, Olcott Harbor, New York: Coastal Model Investigation Final Report(U.S. Army Corps of Engineers, 1991-07) Carver, Robert D.A 1:20-scale experimental model investigation was conducted to investigate the wave transmission response of a breakwater proposed for Olcott Harbor, New York A check of the structure's stability showed the proposed section to be conservatively stable. Therefore, an alternate plan also was investigated in an attempt to reduce construction costs for the breakwater. Based on model tests results, it ,as concluded that: a. Both plans tested are stable designs for the maximum wave heights that can be expected to occur (6- to 10-sec waves at still-water levels of +4.3 and +5.1 ft. low-water datum). b. Maximum transmitted wave heights were 0.9 and 1.5 ft. for Plans 1 and IA, respectively.Item Annual Update of the Corps of Engineers Beach Projects in Florida(1991-09-12) Salt, Terrence C.Item Harnessing the Sea to Overcome Soil Erosion(1991-11-19) Hydracor International, Inc.Item OCEN 400 Design Project, Fall 1992: Galveston Breakwater(1992) OCEN 400 studentsThe report presented herein is an effort by the Fall 1992, Basic Coastal Engineering Class to complete a design project pertinent to the subject matter of the course. This project centers around a practical breakwater design to be implemented in front of the Galveston, Texas Seawall. The purpose of the breakwater design is to retain sand placed by the City of Galveston's Beach Renourishment Plan.Item Coastal Engineering and Oceanography Study for the Beach Nourishment Project Galveston, Texas(1992-12-03) Dr. Y. H. Wang, P. E.Item Modification and Layout of the Galveston Island Groin Field for Retaining Sand on Beach(1993-07) Wang, Dr. Y.H.In the past hundred years or so, numerous groin fields have been constructed along the world’s coastline. Many of these have little or no existing beach in the groin field. This paper suggests a method for retaining sand in the groin field by moderately modifying the existing groin system. The application of this method is illustrated for the case of the Galveston groin field.Item Engineering Design Guidance for Detached Breakwaters as Shoreline Stabilization Structures(US Army Corps of Engineers, 1993-12) Chasten, Monica A.; Rosati, Julie D.; McCormick, John W.; Randall, Robert E.Item Guidelines for Barrier Beach Management in Massachusetts(Massachusetts Coastal Zone Management Office, 1994-02) Clarke, John J.Item Rehabilitation of the South Jetty, Ocean City, Maryland(U.S. Army Corps of Engineers, 1994-03) Bass, Gregory P.; Fulford, Edward T.; Underwood, Steven G.; Parson, Larry E.Item Storm Impact Assessment for Beaches at Panama City, Florida(U.S. Army Corps of Engineers, 1994-09) Farrar, Paul D.; Borgman, Leon E.; Glover, Lanny B.; Reinhard, Robin D.; Pope, Joan; Swain, Abhimanyu; Ebersole, Bruce A.Item Beach Management Plan For Maui(Sea Grant Hawaii, 1997-12) University of Hawaii Sea Grant Extension Service; County of Maui Planning DepartmentItem Furthering Coastal Stewardship in Small Islands: Country Report - Seychelles(UNESCO, 1998) De Comarmond, AlainItem Reducing the Impacts of Coastal Hazards(National Oceanic and Atmospheric Administration (NOAA), 1998) Ward, Sandy; Main, CatherineItem Representation of Nonerodible (Hard) Bottoms(U.S. Army Corps of Engineers, 1998-08) Larson, Magnus; Kraus, Nicholas C.Item Shoreline Management In Chesapeake Bay(Virginia Institute of Marine Science College of William and Mary, 1999) Hardaway, C. S., Jr.; Byrne, R. J.