Gotowe bibliografie tematyczne / Beach nourishment

Gotowa bibliografia na temat „Beach nourishment”

Autor: Grafiati
Data publikacji: 4 czerwca 2021
Data aktualizacji: 24 lutego 2023

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Artykuły w czasopismach na temat "Beach nourishment"

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Gijsman, Rik, Jan Visscher i Torsten Schlurmann. "A METHOD TO SYSTEMATICALLY CLASSIFY DESIGN CHARACTERISTICS OF SAND NOURISHMENTS". Coastal Engineering Proceedings, nr 36 (30.12.2018): 95. http://dx.doi.org/10.9753/icce.v36.papers.95.

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The decades of collected monitoring data of coastal profiles in combination with the decades of experience with sand nourishments in the Wadden Sea, forms an invaluable basis to study the inter-site efficiency of sand nourishment design. However, a systematic data-driven study of this type needs to be applicable for the inter-site varying (i) nourishment design strategies, (ii) coastal monitoring data sets and (iii) natural morphodynamics of the shorelines, respectively. This study introduces a four-step method able to systematically classify the influence of individual nourishment design parameters on the nourishment lifetime (i.e. the period of influence on the natural dynamics of a coastal profile). With the non-linear and adaptive principle component analysis (PCA) method, nourishment lifetimes of beach- and shoreface nourishments are extracted from data sets that describe different natural morphodynamics. Based on an application of the method to a limited number of nourishments placed in two coastal areas in the Netherlands (Ameland) and Germany (Sylt), increasing nourishment concentration, alongshore nourishment length and absolute nourishment peak elevation seem to increase the lifetime of beach- and shoreface nourishments. Nourishment lifetimes at profile more downstream seem to decrease for beach nourishments, but increase for shoreface nourishments. The method supports inclusion of additional coastal profiles and parameters related to the nourishment design, natural morphodynamics of the coastal profile and hydrodynamic forcing, to quantify nourishment design influences on nourishment lifetimes at different locations.
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Muñoz-Perez, Juan J., Shari L. Gallop i Luis J. Moreno. "A Comparison of Beach Nourishment Methodology and Performance at Two Fringing Reef Beaches in Waikiki (Hawaii, USA) and Cadiz (SW Spain)". Journal of Marine Science and Engineering 8, nr 4 (9.04.2020): 266. http://dx.doi.org/10.3390/jmse8040266.

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Fringing reefs have significant impacts on beach dynamics, yet there is little research on how they should be considered in beach nourishment design, monitoring, and conservation works. Thus, the behavior and characteristics of nourishment projects at two reef protected beaches, Royal Hawaiian Beach (RHB) in Hawaii, USA, and Victoria Beach (VB) in Cadiz, Spain, are compared to provide transferable information for future nourishment projects and monitoring in fringing reef environments. The nourishment cost at RHB was nine times higher than VB. This is partly due to lower total volume and a more complex placement and spreading method at RHB, despite the much closer borrow site at RHB. There was a significant difference in post-nourishment monitoring frequency and assessment of accuracy. RHB elevation was monitored quarterly for 2.7 years at 30 m-spaced profiles, compared to 5 years of biannual surveys of 50 m-spacing at VB. An additional problem related to the presence of reefs at both RHB and VB was estimating the beach volume increase after nourishment, due to variable definitions of the ‘beach’ area and high alongshore variability in reef topography. At sites where non-native sediment is used, it is imperative to understand how wave and current energy changes due to reefs will influence nourishment longevity. Thus, differences in erosion and accretion mechanisms at both beaches have been detected, though are still little understood. Moreover, discrepancies in sediment porosity between the two sites (which should be surveyed in future nourishments) have been found, probably due to differences in the nourishment sand transportation and distribution methods. In summary, more dialogue is needed to explicitly consider the influence of fringing reefs on coastal processes and beach nourishment projects.
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Braz Teixeira, Sebastião. "Reducing sea cliffs hazards in pocket beaches through beach nourishment on the Barlavento Coast (Algarve, Portugal)". Revista de Gestão Costeira Integrada 21, nr 4 (grudzień 2021): 215–26. http://dx.doi.org/10.5894/rgci-n378.

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Tourism based on “sun and beach” is the main economic activity in the Algarve region. A considerable part of the beaches of the Barlavento coast corresponds to embedded sand accumulated along the irregular lacework-like coastline of rocky cliffs cut into Miocene calcarenites. The pattern of touristic occupation in the Algarve and the geodynamics of the rocky sea cliffs, characterized by discontinuous and intermittent occurrence of slope mass movements, result in a high level of risk to beach users along pocket beaches. In order to mitigate the risk associated with the cliff geodynamics, artificial beach nourishment was performed in Castelo and Coelha pocket beaches on the Barlavento Coast, in 2014, increasing the beach area by 3.5 times. The effects of the beach nourishment on the occupation patterns of those beaches along the 2006-2016 decade, before and after the beach nourishment, are herein presented and discussed. Occupancy data were obtained covering different seasons along the year, by counting the number of beach users, regardless of age, using periodic and systematic photographs taken at strategic points that provide full coverage of the beach areas. Before the beach nourishments the area of dry sand outside high and moderate hazard zones, measured at half-tide under average summer wave conditions was 500 m2 at Coelha beach and 800 m2 at Castelo beach. After beach nourishment the same area increased to 6700 m2 at Coelha beach and 7100 m2 at Castelo beach. Results show that, following the beach fill, beach occupation by recreational users naturally shifted seaward, moving out from the cliff hazard areas. After the intervention, the occupation of high and moderate hazard areas reduced significantly, from 37 % to 11 % in Castelo beach and from 59 % to 27 % in Coelha beach. Keywords: beach nourishment; hazard; rocky cliffs; Algarve; Portugal.
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Giardino, Alessio, Eleni Diamantidou, Stuart Pearson, Giorgio Santinelli i Kees Den Heijer. "A Regional Application of Bayesian Modeling for Coastal Erosion and Sand Nourishment Management". Water 11, nr 1 (1.01.2019): 61. http://dx.doi.org/10.3390/w11010061.

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This paper presents an application of the Bayesian belief network for coastal erosion management at the regional scale. A “Bayesian ERosion Management Network” (BERM-N) is developed and trained based on yearly cross-shore profile data available along the Holland coast. Profiles collected for over 50 years and at 604 locations were combined with information on different sand nourishment types (i.e., beach, dune, and shoreface) and volumes implemented during the analyzed time period. The network was used to assess the effectiveness of nourishments in mitigating coastal erosion. The effectiveness of nourishments was verified using two coastal state indicators, namely the momentary coastline position and the dune foot position. The network shows how the current nourishment policy is effective in mitigating the past erosive trends. While the effect of beach nourishment was immediately visible after implementation, the effect of shoreface nourishment reached its maximum only 5–10 years after implementation of the nourishments. The network can also be used as a predictive tool to estimate the required nourishment volume in order to achieve a predefined coastal erosion management objective. The network is interactive and flexible and can be trained with any data type derived from measurements as well as numerical models.
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Li, Yuan, Chi Zhang, Yu Cai, Mingxiao Xie, Hongshuai Qi i Yigang Wang. "Wave Dissipation and Sediment Transport Patterns during Shoreface Nourishment towards Equilibrium". Journal of Marine Science and Engineering 9, nr 5 (17.05.2021): 535. http://dx.doi.org/10.3390/jmse9050535.

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Implementing shoreface nourishment is an effective method to protect sandy beaches. A better understanding of the equilibrium mechanism of shoreface nourishments is necessary for coastal engineering designs and constructions. Two experiments on the beach profile equilibrium of the shoreface nourishment are carried out under mild wave conditions on the reflective and intermediate beach. It is observed that the shoreface nourishment increases local wave height and strengthens wave nonlinearity by its shallow water depth. The most intense wave breaking dissipation has been found on the crest of the shoreface nourishment, and the distribution of wave energy dissipation rate is more uniform on the quasi-equilibrium profile than that on the initial profile. A process-based numerical model is used to reproduce bed profile evolution successfully. On that basis, it is found that onshore bedload transport is the primary cause for the onshore migration of the shoreface nourishment. The magnitude of bedload transport decreases during the evolution of the shoreface nourishment towards equilibrium. The most intense sediment transport rate occurs over the shoreface nourishment or in front of the shoreline, depending on the ’lee effect’ of the nourishment. Furthermore, the effects of incident wave height, wave period, and sea-level rise on the equilibrium profile of the shoreface nourishment under mild wave conditions are analyzed.
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Liu, Gen, Hongshuai Qi, Feng Cai, Jun Zhu, Gang Lei, Jianhui Liu, Shaohua Zhao i Chao Cao. "Morphodynamic Evolution of Post-Nourishment Beach Scarps in Low-Energy and Micro-Tidal Environment". Journal of Marine Science and Engineering 9, nr 3 (9.03.2021): 303. http://dx.doi.org/10.3390/jmse9030303.

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Beach scarps are commonly associated with nourishment. Large and persistent beach scarps not only affect the performance of beach nourishment, but also are safety hazards to tourists. In this study, the morphological evolution of beach scarps was examined at a nourished beach in a low-energy and micro-tidal environment. Topographic surveys of nine beach profiles were carried out every 3–6 months after nourishment, lasting for nearly 4.5 years, combined with observed and simulated hydrodynamic data. The results showed that beach scarps were extensively developed after nourishment and migrated landward gradually. The formation of beach scarps was attributed to the higher designed berm, while the migration was possibly initiated by the subsequent higher total water level connected with the irregular tides. However, scarps were completely removed by the first post-nourishment severe storm and had been long absent ever since although two other energetic storms approached. This was different from the result of previous studies, which could be attributed to the much gentler upper beach slope. These results highlighted that the first post-nourishment storm played a key role in the evolution of beach scarps at low-energy and micro-tidal nourished beaches. This study also proposed two methods of determining berm elevation in beach nourishment according to China’s experiences, which would be helpful for other countries’ beach nourishment projects.
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Kroon, Anna, Matthieu de Schipper, Sierd de Vries i Stefan Aarninkhof. "Subaqueous and Subaerial Beach Changes after Implementation of a Mega Nourishment in Front of a Sea Dike". Journal of Marine Science and Engineering 10, nr 8 (20.08.2022): 1152. http://dx.doi.org/10.3390/jmse10081152.

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Sandy nourishments can provide additional sediment to the coastal system to maintain its recreational or safety function under rising sea levels. These nourishments can be implemented at sandy beach systems, but can also be used to reinforce gray coastal infrastructure (e.g., dams, dikes, seawalls). The Hondsbossche Dunes project is a combined shoreface, beach, and dune nourishment of 35 million m3 sand. The nourishment was built to replace the flood protection function of an old sea-dike while creating additional space for nature and recreation. This paper presents the evolution of this newly created sandy beach system in the first 5 years after implementation based on bathymetric and topographic surveys, acquired every three to six months. A significant coastline curvature is created by the nourishment leading to erosion in the central 7 km bordered by zones with accretion. However, over the five-year period, net volume losses from the project area were less than 5% of the initial nourished sand volume. The man-made cross-shore beach profile rapidly mimics the characteristics of adjacent beaches. The slope of the surfzone is adjusted within two winters to a similar slope. The initially wide beaches (i.e., up to 225 m) are reduced to about 100 m-wide. Simultaneously, the dune volume has increased and the dune foot migrated seaward at the entire nourished site, regardless of whether the subaqueous profile gained or lost sediment. Our results show that the Hondsbossche Dunes nourishment, built with a natural slope and wide beach, created a positive sediment balance in the dune for a prolonged period after placement. As such, natural forces in the years after implementation provided a significant contribution to the growth in dune volume and related safety against flooding.
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Mendes, Diogo, Joaquim Pais-Barbosa, Paulo Baptista, Paulo A. Silva, Cristina Bernardes i Celso Pinto. "Beach Response to a Shoreface Nourishment (Aveiro, Portugal)". Journal of Marine Science and Engineering 9, nr 10 (13.10.2021): 1112. http://dx.doi.org/10.3390/jmse9101112.

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In Aveiro (NW coast of Portugal), a coastal monitoring programme was carried out in sequence of a shoreface nourishment intervention (over than 2 M m3) performed in 2020. In this programme, almost one year of biweekly subaerial topographies and quarterly bathymetric surveys have been collected along a 10 km coastal stretch between June 2020 and June 2021. In this study, topographic and bathymetric surveys were analysed to assess the expectation that if the shoreface nourishment is located in sufficiently shallow water depths, its landward movement will feed adjacent beaches and, consequently, increase the subaerial beach volume. Results show that the subaerial beach volume is well correlated with the 1.05 m (above MSL) isoline displacement through time. While the seaward limit of the shoreface nourishment moved landwards about 200 m, the shoreline proxy (isoline of 1.05 m) displayed a maximum seaward displacement of 60 m. The displacement of the shoreline proxy was highly variable in space, along the 10 km coastal stretch, and also in time, during storm events. During such events, both landward and seawards displacement of the shoreline proxy took place, depending on the spatial position. Moreover, while beaches close to the initial shoreface nourishment intervention displayed faster accretion patterns than those located farther away, the well-defined onshore movement of the shoreface nourishment did not result in a considerable beach volume increase. The achieved results were also compared against case studies of shoreface nourishments with similar volumes performed worldwide.
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Mendes, Diogo, Joaquim Pais-Barbosa, Paulo Baptista, Paulo A. Silva, Cristina Bernardes i Celso Pinto. "Beach Response to a Shoreface Nourishment (Aveiro, Portugal)". Journal of Marine Science and Engineering 9, nr 10 (13.10.2021): 1112. http://dx.doi.org/10.3390/jmse9101112.

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In Aveiro (NW coast of Portugal), a coastal monitoring programme was carried out in sequence of a shoreface nourishment intervention (over than 2 M m3) performed in 2020. In this programme, almost one year of biweekly subaerial topographies and quarterly bathymetric surveys have been collected along a 10 km coastal stretch between June 2020 and June 2021. In this study, topographic and bathymetric surveys were analysed to assess the expectation that if the shoreface nourishment is located in sufficiently shallow water depths, its landward movement will feed adjacent beaches and, consequently, increase the subaerial beach volume. Results show that the subaerial beach volume is well correlated with the 1.05 m (above MSL) isoline displacement through time. While the seaward limit of the shoreface nourishment moved landwards about 200 m, the shoreline proxy (isoline of 1.05 m) displayed a maximum seaward displacement of 60 m. The displacement of the shoreline proxy was highly variable in space, along the 10 km coastal stretch, and also in time, during storm events. During such events, both landward and seawards displacement of the shoreline proxy took place, depending on the spatial position. Moreover, while beaches close to the initial shoreface nourishment intervention displayed faster accretion patterns than those located farther away, the well-defined onshore movement of the shoreface nourishment did not result in a considerable beach volume increase. The achieved results were also compared against case studies of shoreface nourishments with similar volumes performed worldwide.
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Wang, Hsing-Yu, Hui-Ming Fang i Yun-Chih Chiang. "Yanliao Beach Nourishment Methods". IOP Conference Series: Earth and Environmental Science 171 (lipiec 2018): 012029. http://dx.doi.org/10.1088/1755-1315/171/1/012029.

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Rozprawy doktorskie na temat "Beach nourishment"

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Montgomery, Marilyn Christina. "Beach nourishment at Pensacola Beach, Florida assessment of public perception /". [Pensacola, Fla.] : University of West Florida, 2007. http://purl.fcla.edu/fcla/etd/WFE0000011.

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Blott, Simon James. "Morphological and sedimentological changes on artificially nourished beaches, Lincolnshire, U.K". Thesis, Royal Holloway, University of London, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.396149.

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Pietro, Lisa S. "Developing terrestrial-LIDAR-based digital elevation models for monitoring beach nourishment performance". Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file, 89 p, 2007. http://proquest.umi.com/pqdweb?did=1400424071&sid=10&Fmt=2&clientId=8331&RQT=309&VName=PQD.

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Gallaher, Aubree A. "The effects of beach nourishment on sea turtle nesting densities in Florida". [Gainesville, Fla.] : University of Florida, 2009. http://purl.fcla.edu/fcla/etd/UFE0041087.

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Carey, Erin S. "The effects of beach renourishment on benthic microalgae /". Electronic version (PDF), 2005. http://dl.uncw.edu/etd/2005/careye/erincarey.pdf.

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Raybould, Michael, i n/a. "Attitudes and Information Effects in Contingent Valuation of Natural Resources". Griffith University. Australian School of Environmental Studies, 2006. http://www4.gu.edu.au:8080/adt-root/public/adt-QGU20061009.150949.

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This thesis investigated the effects of photographic and text information on respondents' attitudes and willingness-to-pay for a proposed beach protection scheme in the erosion prone Gold Coast region on the east coast of Australia. The research developed two alternative expectancy-value attitude-behaviour models to test residents' attitudes toward relevant targets and behavioural intention, expressed through stated willingness-to-pay, and compared the proposed models with one established attitude-behaviour model. The thesis set out to investigate three central research questions; one question relating to the effects of information on attitudes and willingness-to-pay, and two questions relating to the relationships between attitudes and willingness-to-pay. It was hypothesised that photographs that depicted severe erosion damage would result in more positive attitudes toward, and greater willingness-to-pay for, beach protection than photographs that showed only mild levels of erosion damage. Positive relationships were hypothesised between variables representing attitudes toward beach erosion, attitude toward beach protection, attitude toward paying for beach protection, and willingness-to-pay. Finally, it was hypothesised that the relationships between attitudes and willingness-to-pay could be adequately explained by the proposed attitude-behaviour models. The thesis describes how seven information treatments and eight attitude measurement scales were developed and tested in a pilot experiment before use in a survey of homeowners in the region of interest. Analysis of variance showed that, while respondent's attitude toward beach protection was affected by the information treatments, their willingness-to-pay for the proposed program was insensitive to information. There were no significant effects that could be attributed exclusively to text descriptions of the good but there were significant effects that could be attributed to photographic information treatments. However, none of the effects on attitudes resulted in significant effects on the behavioural intention expressed in stated willingness-to-pay. Analysis of respondents with low previous knowledge of the proposed good revealed more extensive information effects on attitudes, but still not on willingness-to-pay, and this suggests that high levels of previous knowledge in a large proportion of the sample had a moderating effect on attitude change caused by the information treatments. Regression analysis showed that seven of the eight attitude and behaviour variables in the proposed attitude-behaviour model were significant predictors of willingness-to-pay. In the final phase of the analysis, goodness-of-fit indices, estimated using Structural Equation Modelling, indicated a good fit between the data and the attitude-behaviour models tested. Standardised coefficients on the model indicated that perceived behavioural control, expected utility of outcomes, and subjective norms all had strong direct relationships with stated willingness-to-pay, and strong indirect relationships on willingness-to-pay via attitudes toward payment. These results are consistent with the relationships proposed in attitude-behaviour models and the moderating effects of these variables explain why significant information treatment effects were observed on attitude to beach protection but not on willingness-to-pay. This research showed that respondent's willingness-to-pay in a contingent valuation experiment is quite insensitive to photographic treatments when previous knowledge is high and that costly and time consuming testing procedures, recommended by authorities, may not be necessary under these conditions. It also demonstrated that measures of attitude, consistent with an attitude-behaviour model, can be collected easily in a contingent valuation study and can contribute to understanding of participant responses and to identification of protest responses.
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Saint, John Alyssa L. "Characteristics of a Chronically, Rapidly Eroding Beach: Long Key, Pinellas County, Florida". [Tampa, Fla.] : University of South Florida, 2004. http://purl.fcla.edu/fcla/etd/SFE0000562.

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Raybould, Michael. "Attitudes and Information Effects in Contingent Valuation of Natural Resources". Thesis, Griffith University, 2006. http://hdl.handle.net/10072/367928.

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This thesis investigated the effects of photographic and text information on respondents' attitudes and willingness-to-pay for a proposed beach protection scheme in the erosion prone Gold Coast region on the east coast of Australia. The research developed two alternative expectancy-value attitude-behaviour models to test residents' attitudes toward relevant targets and behavioural intention, expressed through stated willingness-to-pay, and compared the proposed models with one established attitude-behaviour model. The thesis set out to investigate three central research questions; one question relating to the effects of information on attitudes and willingness-to-pay, and two questions relating to the relationships between attitudes and willingness-to-pay. It was hypothesised that photographs that depicted severe erosion damage would result in more positive attitudes toward, and greater willingness-to-pay for, beach protection than photographs that showed only mild levels of erosion damage. Positive relationships were hypothesised between variables representing attitudes toward beach erosion, attitude toward beach protection, attitude toward paying for beach protection, and willingness-to-pay. Finally, it was hypothesised that the relationships between attitudes and willingness-to-pay could be adequately explained by the proposed attitude-behaviour models. The thesis describes how seven information treatments and eight attitude measurement scales were developed and tested in a pilot experiment before use in a survey of homeowners in the region of interest. Analysis of variance showed that, while respondent's attitude toward beach protection was affected by the information treatments, their willingness-to-pay for the proposed program was insensitive to information. There were no significant effects that could be attributed exclusively to text descriptions of the good but there were significant effects that could be attributed to photographic information treatments. However, none of the effects on attitudes resulted in significant effects on the behavioural intention expressed in stated willingness-to-pay. Analysis of respondents with low previous knowledge of the proposed good revealed more extensive information effects on attitudes, but still not on willingness-to-pay, and this suggests that high levels of previous knowledge in a large proportion of the sample had a moderating effect on attitude change caused by the information treatments. Regression analysis showed that seven of the eight attitude and behaviour variables in the proposed attitude-behaviour model were significant predictors of willingness-to-pay. In the final phase of the analysis, goodness-of-fit indices, estimated using Structural Equation Modelling, indicated a good fit between the data and the attitude-behaviour models tested. Standardised coefficients on the model indicated that perceived behavioural control, expected utility of outcomes, and subjective norms all had strong direct relationships with stated willingness-to-pay, and strong indirect relationships on willingness-to-pay via attitudes toward payment. These results are consistent with the relationships proposed in attitude-behaviour models and the moderating effects of these variables explain why significant information treatment effects were observed on attitude to beach protection but not on willingness-to-pay. This research showed that respondent's willingness-to-pay in a contingent valuation experiment is quite insensitive to photographic treatments when previous knowledge is high and that costly and time consuming testing procedures, recommended by authorities, may not be necessary under these conditions. It also demonstrated that measures of attitude, consistent with an attitude-behaviour model, can be collected easily in a contingent valuation study and can contribute to understanding of participant responses and to identification of protest responses.
Thesis (PhD Doctorate)
Doctor of Philosophy (PhD)
Australian School of Environmental Studies
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Leonard, Ozan Corey R. "Evaluating the Effects of Beach Nourishment on Loggerhead Sea Turtle (Caretta caretta) Nesting In Pinellas County, Florida". Scholar Commons, 2011. http://scholarcommons.usf.edu/etd/3204.

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The health of Florida's beaches are vital to the survival of loggerhead sea turtles (Caretta caretta), as nearly half of the world's loggerheads nest on the states beaches. Many of the beaches utilized by the turtles have undergone nourishment projects in hopes of combating erosion of the shoreline, protecting beachfront property, and creating more suitable beaches for tourism. Although it is argued that beach nourishment benefits sea turtles by providing more nesting habitat, the effects of the Pinellas County nourishment projects on loggerhead nesting are unknown. Beach nourishment can alter the compaction, moisture content, and temperature of the sand, all of which are variables that can affect nest site selection and the proper development of eggs. This research has four objectives: (1) to create a GIS dataset using historic loggerhead sea turtle data collected at the individual nest level along the West coast of Florida, (2) to examine the densities of loggerhead nests, the densities of false crawls (i.e. unsuccessful nesting attempts), and the nest-to-false crawl ratio on natural and nourished beaches for the 2006-2010 nesting seasons; (3) to determine the effects of beach nourishment projects on the hatchling success rates and emergence success rates; and (4) to determine areas preferred or avoided by turtles for nesting. The study found that nesting and false crawl densities significantly differed between natural and nourished beaches during three of the five nesting seasons. Nesting densities increased directly following nourishment and false crawl densities were higher in nourishment areas during every nesting season. False crawl densities were higher than statistically expected on nourished beaches and lower than expected on natural beaches. No significant differences were found between hatchling and emergence success rates between natural and nourished beaches. However, when the rates were analyzed by nesting season, the average hatching and emergence success rates were always lower on nourished beaches than on natural beaches. A hotspot analysis on nests and false crawls revealed that turtles preferred natural beaches that border nourished areas for nesting while false crawls were more evenly distributed through the study area. Although this study documents the negative effects of beach nourishment on loggerhead sea turtle nesting, nourishment projects are likely to continue because of their benefits to human populations. Further examining of the impacts that humans have on nesting and developing loggerheads will ultimately aid policy formation as we continue to manage and protect the future of the species.
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Brutsché, Katherine Emily. "Evolution and Equilibration of Artificial Morphologic Perturbations in the Form of Nearshore Berm Nourishments Along the Florida Gulf Coast". Scholar Commons, 2014. https://scholarcommons.usf.edu/etd/5192.

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Inlets and channels are dredged often to maintain navigation safety. It is beneficial to reintroduce the dredged material back into the littoral system, in the form of beach or nearshore nourishments. Nourishment in the nearshore is becoming an increasingly utilized method, particularly for dredged material that contains more fine sediment than the native beach. This research examines the morphologic evolution of two different nearshore nourishments. A nearshore berm was constructed at Fort Myers Beach, Florida using mixed-sized sediment dredged from a nearby channel. The nearshore berm was placed in water depths between 1.2 and 2.4 m with the berm crest just below MLLW in the shape of a bar. The nearshore berm migrated onshore while the system was approaching a dynamic equilibrium. Near the end of the fourth year, the beach profiles had returned to the equilibrium shape characteristic of the study area. Gaps in the berm allowed water circulation and should be considered as a design parameter. The fine sediment fractions in the original placed material was selectively transported and deposited offshore, while the coarser component moved onshore. The dry beach maintained the same sediment properties throughout the study period and was not influenced by the fine sediment in the initial construction of the berm. Another nearshore nourishment was placed along eastern Perdido Key, Florida in 2011-2012 using maintenance dredged material from nearby Pensacola Pass. Different from the Fort Myers Beach berm, the material was placed within the swash-zone, with a maximum elevation of +0.91 m NAVD88 (or 0.62 m above MHHW). The low constructed berm elevation allowed natural overwash processes to occur frequently, which resulted in net onshore sediment transport and growth of the active beach berm. Sediment volume gain west of the project area due to longshore spreading of the nourishment occurred mostly in the trough between the shoreline and the bar, rather than on the dry beach. The swash-zone berm evolved back to the natural equilibrium profile shape maintained in the study area within 8 months. The performance of the swash-zone nourishment was compared to two previous beach nourishments at the same location in 1985 and 1989-1991, with higher berm elevations, at +3 m and +1.2 m NAVD88, respectively. The 1.2-km 1985 nourishment performed the poorest with a shoreline retreat rate of 40 m/year. The 7.3-km 1989-1991 nourishment performed the best with a retreat rate of 11 m/year. This suggests that high berm elevations do not necessarily lead to better nourishment performance. Longshore extent of a nourishment may play an essential role. The distant passage of two tropical storms (Tropical Storm Debby and Hurricane Isaac) generated high waves for the study areas. The two berm nourishments responded differently to the storm. Response was also compared to a beach nourishment in Sand Key. The bar-shaped Fort Myers Beach berm was split into two smaller bars, while a storm berm developed for the swash-zone nourishment at Perdido Key. In both cases, the energetic storm conditions accelerated the evolution of the berm profiles toward equilibrium. As compared to the measured nearshore waves by this study, CMS-Wave accurately propagated the WIS Hindcast waves. SBEACH accurately captured the maximum water elevation, consistent with measured upper limit of morphology change. The model correctly predicted beach and nearshore erosion during the storms. The growth of the storm berm at the Perdido Key swash-zone nourishment was predicted reasonably well by the SBEACH model. However, the magnitudes of the storm-induced erosion and the locations of the offshore bar were not accurately predicted consistently.
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Książki na temat "Beach nourishment"

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National Research Council (U.S.). Marine Board. Committee on Beach Nourishment and Protection., red. Beach nourishment and protection. Washington, D.C: National Academy Press, 1995.

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Beach nourishment: Theory and practice. River Edge, NJ: World Scientific, 2002.

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National Conference on Beach Preservation Technology (6th 1993 Saint Petersburg, Fla.). The state of the art of beach nourishment: Proceedings of the 6th Annual National Conference on Beach Preservation Technology, St. Petersburg Hilton & Towers, St. Petersburg, Florida, February 10-12, 1993. Tallahassee, Fla. (864 E. Park Ave., Tallahassee 32301): Florida Shore & Beach Preservation Association, 1993.

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National, Beach Preservation Technology Conference (9th 1996 Saint Petersburg Fla ). The future of beach nourishment: Proceedings of the 9th National Conference on Beach Preservation Technology, St. Petersburg Hilton Hotel, St. Petersburg, Florida, January 24-26, 1996. Tallahassee, Fla: [Florida Shore & Beach Preservation Association, 1996.

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United States. Minerals Management Service, red. The ocean's sand, a natural resource. [Washington, D.C.]: Minerals Management Service, U.S. Dept. of the Interior, 2002.

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National, Beach Preservation Technology Conference (15th 2002 Biloxi Miss ). Proceedings, 15th annual National Conference on Beach Preservation Technology, Beau Rivage Hotel, Biloxi, Mississippi, January 23-25, 2002. Tallahassee, Fla: Florida Shore & Beach Preservation Association, 2002.

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National Conference on Beach Preservation Technology (12th 1999 Saint Petersburg, Fla.). The Florida model, the nation's first comprehensive statewide beach management program: Proceedings of the 12th Annual National Conference on Beach Preservation Technology, St. Petersburg Hilton Hotel, St. Petersburg, Florida, January 27-29, 1999. Tallahassee, Fla: Florida Shore & Beach Preservation Association, 1999.

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National Conference on Beach Preservation Technology (9th 1996 Saint Petersburg, Fla.). The future of beach nourishment: Proceedings of the 9th National Conference on Beach Preservation Technology, St. Petersburg Hilton Hotel, St. Petersburg, Florida, January 24-26, 1996. Tallahassee, Fla: [Florida Shore & Beach Preservation Association, 1996.

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1960-, Nairn Robert Bruce, United States. Army. Corps of Engineers., U.S. Army Engineer Waterways Experiment Station. i Coastal and Hydraulics Laboratory (U.S. Army Engineer Waterways Experiment Station), red. Effectiveness of beach nourishment on cohesive shores, St. Joseph, Lake Michigan. Vicksburg, Miss: U.S. Army Engineer Waterways Experiment Station, 1997.

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Nairn, Robert Bruce. Effectiveness of beach nourishment on cohesive shores, St. Joseph, Lake Michigan. Vicksburg, Miss: U.S. Army Engineer Waterways Experiment Station, 1997.

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Części książek na temat "Beach nourishment"

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Dean, Robert G., i Thomas J. Campbell. "Beach Nourishment". W Springer Handbook of Ocean Engineering, 635–52. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-16649-0_29.

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Finkl, Charles W., i H. Jesse Walker. "Beach Nourishment". W Encyclopedia of Earth Sciences Series, 259–75. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-319-93806-6_35.

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Finkl, C. W., i H. J. Walker. "Beach Nourishment". W Engineered Coasts, 1–22. Dordrecht: Springer Netherlands, 2002. http://dx.doi.org/10.1007/978-94-017-0099-3_1.

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Finkl, Charles W., i H. Jesse Walker. "Beach Nourishment". W Encyclopedia of Earth Sciences Series, 1–17. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-48657-4_35-2.

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Hayes, Miles O., Eric Bird, Brian Greenwood, Karl F. Nordstrom, Robin Davidson-Arnott, Per Bruun, Edward J. Anthony i in. "Beach Nourishment". W Encyclopedia of Coastal Science, 147–61. Dordrecht: Springer Netherlands, 2005. http://dx.doi.org/10.1007/1-4020-3880-1_35.

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Finkl, Charles W. "Beach Nourishment (Replenishment)". W Encyclopedia of Natural Hazards, 42. Dordrecht: Springer Netherlands, 2013. http://dx.doi.org/10.1007/978-1-4020-4399-4_23.

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Walker, H. J., i C. W. Finkl. "Beach Nourishment: Case Studies". W Engineered Coasts, 23–59. Dordrecht: Springer Netherlands, 2002. http://dx.doi.org/10.1007/978-94-017-0099-3_2.

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Dean, Robert G. "Beach Nourishment: A Short Course". W Coastal Systems and Continental Margins, 349–94. Dordrecht: Springer Netherlands, 2003. http://dx.doi.org/10.1007/978-94-010-0135-9_25.

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Coburn, Andrew S. "Beach Nourishment in the United States". W Pitfalls of Shoreline Stabilization, 105–19. Dordrecht: Springer Netherlands, 2012. http://dx.doi.org/10.1007/978-94-007-4123-2_7.

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Pan, Shunqi. "Beach nourishment modelling: Impact of coastal structures". W Coasts, marine structures and breakwaters: Adapting to change, 2: 25–35. London: Thomas Telford Ltd, 2010. http://dx.doi.org/10.1680/cmsb.41318.0003.

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Streszczenia konferencji na temat "Beach nourishment"

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Housley, John G. "Justification for Beach Nourishment". W 25th International Conference on Coastal Engineering. New York, NY: American Society of Civil Engineers, 1997. http://dx.doi.org/10.1061/9780784402429.225.

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Dette, Hans H., i Arved J. Raudkivi. "Beach Nourishment and Dune Protection". W 24th International Conference on Coastal Engineering. New York, NY: American Society of Civil Engineers, 1995. http://dx.doi.org/10.1061/9780784400890.140.

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Pilarczyk, K. W., J. van Overeem i W. T. Bakker. "Design of Beach Nourishment Scheme". W 20th International Conference on Coastal Engineering. New York, NY: American Society of Civil Engineers, 1987. http://dx.doi.org/10.1061/9780872626003.107.

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Verhagen, Henk Jan. "Method for Artificial Beach Nourishment". W 23rd International Conference on Coastal Engineering. New York, NY: American Society of Civil Engineers, 1993. http://dx.doi.org/10.1061/9780872629332.189.

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Edge, Billy L., Oscar Cruz-Castro i Orville T. Magoon. "RECYCLED GLASS FOR BEACH NOURISHMENT". W Proceedings of the 28th International Conference. World Scientific Publishing Company, 2003. http://dx.doi.org/10.1142/9789812791306_0303.

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DAN, SEBASTIAN, GWENDY VOS, ANNE-LISE MONTREUIL, TOON VERWAEST i DAPHNÉ THOON. "BEACH VERSUS SHOREFACE NOURISHMENT EXPERIMENT". W International Conference on Coastal Sediments 2019. WORLD SCIENTIFIC, 2019. http://dx.doi.org/10.1142/9789811204487_0027.

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BAYRAM, ATILLA, ANDY SCHOFIELD, WILLIAM WOOD i FURONG ZHEN. "REDONDO BEACH SAND NOURISHMENT PROJECT". W The Proceedings of the Coastal Sediments 2011. World Scientific Publishing Company, 2011. http://dx.doi.org/10.1142/9789814355537_0011.

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Laustrup, Christian, i Holger Toxvig Madsen. "Design of Breakwaters and Beach Nourishment". W 24th International Conference on Coastal Engineering. New York, NY: American Society of Civil Engineers, 1995. http://dx.doi.org/10.1061/9780784400890.099.

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Dean, Robert G. "Realistic Economic Benefits from Beach Nourishment". W 21st International Conference on Coastal Engineering. New York, NY: American Society of Civil Engineers, 1989. http://dx.doi.org/10.1061/9780872626874.117.

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Cohen, Kimberly A. "Beach Nourishment Planning Using Internet Mapping". W First International Symposium on Carbonate Sand Beaches. Reston, VA: American Society of Civil Engineers, 2002. http://dx.doi.org/10.1061/40640(305)20.

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Raporty organizacyjne na temat "Beach nourishment"

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Grosskopf, William G., i Nicholas C. Kraus. Guidelines for Surveying Beach Nourishment Projects. Fort Belvoir, VA: Defense Technical Information Center, listopad 1993. http://dx.doi.org/10.21236/ada591271.

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Behnke, Daniel, William Grosskopf i Randall Wise. Design Aspects of Corps Beach Nourishment Projects. Fort Belvoir, VA: Defense Technical Information Center, wrzesień 1995. http://dx.doi.org/10.21236/ad1003839.

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Reine, Kevin. A literature review of beach nourishment impacts on marine turtles. Engineer Research and Development Center (U.S.), marzec 2022. http://dx.doi.org/10.21079/11681/43829.

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This Technical Report was developed by the U. S. Army Engineer Research and Development Center-Environmental Laboratory (ERDC-EL), to summarize the known impacts to nesting sea turtles along the Atlantic and Gulf Coasts resulting from beach nourishment. The U.S. Army Corps of Engineers (USACE) is responsible for maintaining the nation’s infrastructure to include ports and harbors through dredging of Federal navigation channels as well as shoreline stabilization. Shoreline stabilization through beach nourishment activities can provide opportunities for reductions in storm surge, flood control, and provide opportunities for residential growth, recreational activities, and coastal habitat restoration (Guilfoyle et al. 2019). Beach nourishment is an effective method for protection and enhancement of coastal development projects but may have detrimental impacts on marine life (e.g., nesting sea turtles and shorebirds). The objective of this Technical Report is to examine all elements of the beach nourishment process to include, active beach construction, entrainment of marine turtles in hopper dredges, beach protection and hard structures, beach profile features, compaction and shear resistance, artificial lighting, marine turtle nest relocation, and nesting habitat factors. Recommendations for mitigating and minimizing these impacts are provided.
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Anders, Fred J., i Mark Hansen. Beach and Borrow Site Sediment Investigation for a Beach Nourishment at Ocean City, Maryland. Fort Belvoir, VA: Defense Technical Information Center, maj 1990. http://dx.doi.org/10.21236/ada222251.

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Nairn, Robert B., Peter Zuzek i Andrew Morang. Effectiveness of Beach Nourishment on Cohesive Shores, St. Joseph, Lake Michigan. Fort Belvoir, VA: Defense Technical Information Center, lipiec 1997. http://dx.doi.org/10.21236/ada329286.

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Coor, Jennifer, i Jase Ousley. Historical analysis of the change in percent fines during beach nourishment. Coastal and Hydraulics Laboratory (U.S.), czerwiec 2019. http://dx.doi.org/10.21079/11681/32912.

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Beck, Tanya M., i Kelly Legault. Optimization of Ebb Shoal Mining and Beach Nourishment at St. Johns County, St. Augustine Inlet, Florida, Report 3. Fort Belvoir, VA: Defense Technical Information Center, sierpień 2012. http://dx.doi.org/10.21236/ada571753.

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Berkowitz, Jacob F., Christine M. VanZomeren, Jaybus J. Price i Anthony M. Priestas. Incorporating Color Change Propensity into Dredged Material Management to Increase Beneficial Use Opportunities. Engineer Research and Development Center (U.S.), grudzień 2020. http://dx.doi.org/10.21079/11681/39261.

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Dredged materials provide a number of beneficial use opportunities, including beach nourishment, habitat creation and restoration, and other activities. In situ sediment color is important for determining aesthetic and habitat suitability, for beach nourishment, and for other projects. However, dredged materials must meet locally established color compatibility requirements (for example, material cannot be too dark). Often, potential sediment sources are close to meeting specified color thresholds, and previous observations suggest that sediments lighten over time. In response to these observations, this study quantified sediment color change potential in a dredged m aterial management context. Results indicate that dredged material sediment color responded to changes in secondary color components, sediment mixing, and photolytic bleaching improving the sediment color for beneficial use application. Findings allowed for development of a conceptual color change capacity framework and supported development of tools for resource managers to incorporate color change dynamic into planning and operations activities.The following report provides a framework for determining the color change capacity of dredged materials using (1) a comprehensive laboratory approach and (2) a semiquantitative index based on source material and placement location conditions. These tools allow practitioners to incorporate dredged-material color change into resource management decisions, thus increasing beneficial use opportunities.
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Ding, Yan, Sung-Chan Kim, Rusty L. Permenter, Richard B. Styles i Jeffery A. Gebert. Simulations of Shoreline Changes along the Delaware Coast. Engineer Research and Development Center (U.S.), styczeń 2021. http://dx.doi.org/10.21079/11681/39559.

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This technical report presents two applications of the GenCade model to simulate long-term shoreline evolution along the Delaware Coast driven by waves, inlet sediment transport, and longshore sediment transport. The simulations also include coastal protection practices such as periodic beach fills, post-storm nourishment, and sand bypassing. Two site-specific GenCade models were developed: one is for the coasts adjacent to the Indian River Inlet (IRI) and another is for Fenwick Island. In the first model, the sediment exchanges among the shoals and bars of the inlet were simulated by the Inlet Reservoir Model (IRM) in the GenCade. An inlet sediment transfer factor (γ) was derived from the IRM to quantify the capability of inlet sediment bypassing, measured by a rate of longshore sediments transferred across an inlet from the updrift side to the downdrift side. The second model for the Fenwick Island coast was validated by simulating an 11-y ear-long shoreline evolution driven by longshore sediment transport and periodic beach fills. Validation of the two models was achieved through evaluating statistical errors of simulations. The effects of the sand bypassing operation across the IRI and the beach fills in Fenwick Island were examined by comparing simulation results with and without those protection practices. Results of the study will benefit planning and management of coastal sediments at the sites.
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Welp, Timothy. Screening dredged material to meet placement requirements. Engineer Research and Development Center (U.S.), sierpień 2022. http://dx.doi.org/10.21079/11681/45262.

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Certain types of dredging projects require screening of the dredged material (DM) to achieve the project’s DM placement requirement(s). Screening in the context of this report will be defined as the separation of an oversized fraction of the DM from the remaining fraction to meet project-specific placement compliance criteria (or criterion). Examples of DM placement requirements include aspects such as removing Munitions and Explosives of Concern (MEC) to address safety concerns and extracting over-sized material for beneficial use of DM (e.g., gravel and debris from sand to meet beach nourishment placement standards). Welp et al. (2008) provide detailed guidance for personnel involved in dredging projects with sediment containing MEC. The purpose of this document is to not only update the previous MEC-centric guidance with newly developed or identified technology but to also expand upon screening aspects to provide guidance for personnel involved in dredging projects that require removal of an oversized fraction for screening purposes other than just MEC removal.
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