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Letteratura scientifica selezionata sul tema "Beaches"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 30 luglio 2024

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Articoli di riviste sul tema "Beaches"

Rudan, Elena, e Marinela Krstinić Nižić. "The Role of Beaches in the Tourism Offering". Pomorstvo 32, n. 2 (20 dicembre 2018): 219–27. http://dx.doi.org/10.31217/p.32.2.7.

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To position the tourism offering of the Municipality of Lovran, it must be adjusted to the modern needs of tourists. In this, a key role belongs to designing, implementing and sustaining an experience system as part of the destination’s integrated tourism product. Lovran as a tourist destination can become distinctive only to the extent to which it can provide services and facilities capable of satisfying the travel needs and motivations of tourists. When designing an experience system, the destination is generally in the focus of interest. This paper, however, takes a closer look at the thematization of beaches that are a part of Lovran’s tourism offering. Previous tourism development in Lovran has first and foremost been centred on the summer months when the sun, sea and beaches are the primary motivation for tourist arrivals. Lovran as a tourist destination, together with its beaches, provides opportunities that have yet to be fully valorised with regard to implementing the experience system in beaches. In this respect, the paper aims to highlight the need for beach thematization. Beach thematization is carried out in accordance with the vision of the destination to ensure the optimal distribution of bathers and to satisfy their preferences. A new classification of beaches is made according to the Bathing Area Registration and Evaluation (BARE) system, which is adjusted to the needs of the market. The BARE system categorises beaches based on their accessibility and coastal scenery. The purpose of the paper is to analyse beaches in Lovran and, in accordance with a beach’s potential, to propose a theme (eco beach, romantic beach, beach for families with children, etc.) for each one, based on the Regional Program for the Adaptation and Management of Seaside Beaches in Primorje-Gorski Kotar County. The authors conclude that beaches have a primary importance for most tourists as well as residents, making it essential to respect their physical, social and ecological carrying capacities.

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Silveira, Lucas F., Antonio H. da F. Klein e Moysés G. Tessler. "Headland-bay beach planform stability of Santa Catarina State and of the Northern Coast of São Paulo State". Brazilian Journal of Oceanography 58, n. 2 (giugno 2010): 101–22. http://dx.doi.org/10.1590/s1679-87592010000200003.

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This paper presents the results of the planform stability classification for the headland-bay beaches of the State of Santa Catarina and of the Northern Coast of São Paulo, based on the application of the Parabolic Bay-Shape Equation (PBSE) to aerial images of the beaches, using the software MEPBAY®. For this purpose, georeferenced mosaics of the QuickBird2® satellite imagery (for the State of Santa Catarina) and vertical aerial photographs (for the northern coast of São Paulo State) were used. Headland-bay beach planform stability can be classified as: (1) in static equilibrium, (2) in dynamic equilibrium, (3) unstable or (4) in a state of natural beach reshaping. Static equilibrium beaches are the most frequent along the coast of the State of Santa Catarina and the Northern Shore of São Paulo, notably along the most rugged sectors of the coast and those with experiencing lower fluvial discharge. By comparison, dynamic equilibrium beaches occur primarily on the less rugged sectors of the coast and along regions with higher fluvial discharge. Beaches in a state of natural beach reshaping have only been found in SC, associated with stabilized estuarine inlets or port breakwaters. However, it is not possible to classify any of these beaches as unstable because only one set of images was used. No clear relation was observed between a beach's planform stability and other classification factors, such as morphodynamics or orientation.

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Barrella, Walter, e Leandro Machado Viana. "Role of the community in the granting of blue flag certification at Tombo beach (Guarujá, Brazil)". Journal of Aquaculture & Marine Biology 12, n. 3 (2023): 267–72. http://dx.doi.org/10.15406/jamb.2023.12.00383.

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In 2009, Tombo Beach in Guarujá (Brazil) received Blue Flag Certification, an ecological seal granted to beaches that meet environmental conservation requirements. Tombo Beach’s certification was the third in the program’s history in Brazil. Started in 1987, the Blue Flag Program is one of the most critical ecological seals created for the sustainable development of beaches and marinas that adopt careful water quality treatment, environmental education and information, environmental management, security, and other services. Thus, the objective of this study was to evaluate the knowledge of the requirements above by visitors to Tombo Beach to determine their participation in maintaining certification. To this end, structured questionnaires were used in interviews carried out in April in Tombo Beach, resulting in 300 interviews. Analysis of the data obtained through interviews (n=300) indicated restricted knowledge on the part of attendees regarding the requirements set out in the Blue Flag Program, demonstrating critical deficiencies, especially about environmental education programs. Furthermore, we sought to discuss the benefits of certification in increasing the attraction of visitors to disseminate the culture of accreditation on Brazilian beaches.

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Yao, Zhen, Jie Chen, Changbo Jiang, Hai Liang, Zhiyuan Wu, Bin Deng, Yuannan Long e Chen Bian. "Experimental Analysis of the Changes in Coral Sand Beach Profiles under Regular Wave Conditions". Journal of Marine Science and Engineering 12, n. 2 (5 febbraio 2024): 287. http://dx.doi.org/10.3390/jmse12020287.

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This study utilized 50 laboratory experiments to document the evolution of coral beaches under varying regular wave conditions, including five distinct wave periods and ten wave heights. Both the type of equilibrium beach and the shape of sand bars were used to represent beach evolution. The evolution of coral sand beaches was then compared to quartz sand beaches. The experimental results show that the predicted (modeled) equilibrium profile of a quartz sand beach was not applicable to coral sand beaches. Compared to sand bars on quartz sand beaches, the distance from bar crests to the beach berm in coral sand beaches was greater, whereas the erosional depth of sand troughs was deeper. However, the grain size distribution of sand associated with the coral sand beach under wave action was consistent with Celikoglu’s law. Both an equilibrium beach profile classification model and a sand bar shape prediction model for coral sand beaches were developed based on the experimental data.

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Osanyintuyi, Abiola John, Yong-Hong Wang, Yiheng Huang, Saddam Aliyu e Nor Aieni Haji Mokhtar. "The different erosion fate of the headland-embayed beaches on the muddy and sandy coasts of China". Marine and Environment 12, n. 1 (28 settembre 2023): 9503. http://dx.doi.org/10.18686/me.v12i1.9503.

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<p>China’s beaches exhibit different geomorphic characteristics depending on location. Due to increasing contemporary climate change, induced storm activities and human activities, beaches along the Chinese coast have been exposed to the risk of erosion. This article examines the different shoreline evolution processes from 1973 to 2021 as well as the erosion vulnerability of 9 headland-embayed beaches (of which 5 beaches, each at Baishawan, Dasha, Dongdan, Nanshajiao, and Mushao are on the muddy coast in Southern China and 4 beaches, namely, Bathing Beach 1, 2, 3 and Shilaoren Beach are on the sandy coast in Northern China) based on the inherent geomorphic characteristics and nearshore hydroclimatic factors of the beaches. In the analysis, there were 3 stages. During the first stage, erosion dominated both the muddy and sandy coasts as a result of intense storm conditions. During the second stage, the beaches had earlier recovered as a function of natural processes, however, storm activities later eroded the beaches. During the third stage, most of the beaches accreted as a result of coastal engineering interventions and beach nourishment project. The shoreline analysis results indicate that beaches on the muddy and sandy coasts have been eroding in the long term. During the first erosion stage, erosion is more severe on the muddy coast than on the sandy coast in the short term. On the sandy coast, the beaches recorded severe erosion from 1973 to 1998. Of the 9 beaches, the most eroded location was at Dasha on the muddy coast (LRR: –5.315 m/y; EPR: –5.671 m/y; NSM: –141.94 m) between 1974 and 1998. In summary, beaches on muddy coasts are more vulnerable to erosion than those on sandy coasts. On the muddy coast, there has been a shortage in the supply of sediment from the Yangtze River-derived sediment to the coast. The primary source of sand material for the studied beaches on the muddy coast has been the regular storm condition that changes the sand-mud transition line on the coast. For the sandy beaches, the primary factor responsible for the vulnerability and beach modification includes a shortage in the natural supply of beach material and storm activities, however, recent beach nourishment and coastal protection procedures are gradually stabilizing the beaches. Ultimately, the outcome of this research is suitable for beach management procedures on the Chinese coast.</p>

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Santos, Joaquim N. S., Rafaela de S. Gomes, Ruan Managna Vasconcellos, Débora de Souza Silva e Francisco Gerson Araújo. "Effects of morphodynamics and across-shore physical gradients on benthic macroinfauna on two sandy beaches in south-eastern Brazil". Journal of the Marine Biological Association of the United Kingdom 94, n. 4 (31 gennaio 2014): 671–80. http://dx.doi.org/10.1017/s0025315414000010.

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We examined the benthic macroinfauna at three strata during two seasons (winter and summer) on two sandy beaches (dissipative and reflective) in south-eastern Brazil. The hypothesis raised is that effects of morphodynamics and zonation determine the structure of macroinfauna, with dissipative beaches having comparatively higher species richness and density than the reflective beaches. Flamengo beach (dissipative) had higher species richness but lower density compared to Grumari beach (reflective). A high dissimilarity in assemblage structure (91.75%) was detected between the two beaches. Zonation in the occurrence of macroinfauna was detected for the two beaches in the two examined seasons. At Grumari beach, Emerita brasiliensis occurred mainly in stratum 1 (intertidal swept zone) while Saccocirus sp. occurred in stratum 2 (infralittoral at 0.5 m depth), whereas at Flamengo beach E. brasiliensis and Enoploides sp. had the highest density in stratum 1 (intertidal swept zone) whereas Scolelepis goodbodyi and Donax uncinata dominated in stratum 3 (infralittoral at 1.0 m depth). Scolelepis goodbodyi, Dispio uncinata, Enoploides sp., Nematoda and Trileptium sp. were associated with higher a Dean parameter and content of organic matter at Flamengo beach. In contrast, Hastula sp., Donax sp., Pisionidens indica, Hemipodus californiensis, Saccocirus sp. and Phyllodocidae were associated with the higher wave period and grain size of Grumari beach. The hypothesis that macroinfauna structure differs between the beaches and strata was confirmed, with the dissipative beaches having comparatively higher richness but lower density than the reflective beaches.

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Uebelhoer, Lea, William Koon, Mitchell D. Harley, Jasmin C. Lawes e Robert W. Brander. "Characteristics and beach safety knowledge of beachgoers on unpatrolled surf beaches in Australia". Natural Hazards and Earth System Sciences 22, n. 3 (17 marzo 2022): 909–26. http://dx.doi.org/10.5194/nhess-22-909-2022.

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Abstract. The majority of drowning deaths on Australian beaches occur significant distances away from lifeguard services. This study uses results of 459 surveys of beachgoers at five beaches unpatrolled by lifeguards in New South Wales, Australia, to improve understanding of who visits these beaches and why, and to identify risk factors associated with their beach safety knowledge and behaviour. Many unpatrolled beach users were infrequent beachgoers (64.9 %) with poor rip current hazard identification skills, who did not observe safety signage that was present, and yet intended to enter the water to swim (85.6 %) despite being aware that no lifeguards were present. The survey found that the main reasons why beachgoers visited unpatrolled beaches were because they were conveniently close to their holiday accommodation, or they represented a quieter location away from crowds. Future beach safety interventions in Australia need to extend beyond the standard “swim between the flags” message in recognition that many Australian beaches will remain unpatrolled, yet still frequented, for the foreseeable future. Future beach safety interventions for unpatrolled beaches should be tailored towards the varied demographic groups of beach users.

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HAUPTMAN, LEANNE, JYOTHIRMAYI PALAPARTHI e TIFFANY ROBERTS BRIGGS. "BEACH MORPHOLOGY AND SEDIMENTOLOGY IN NORTHERN PALM BEACH COUNTY, FLORIDA, USA: A BRIEF UPDATE". William Morris Davis - Revista de Geomorfologia 3, n. 2 (26 dicembre 2022): 1–15. http://dx.doi.org/10.48025/issn2675-6900.v3n2.2022.155.

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Coastal erosion of sandy beaches is a global problem that threatens ecosystems and coastal communities. Beach nourishment is one of the commonly implemented mitigation strategies, using beach compatible sediment from various borrow sources that is placed on beaches and back in the littoral system. However, the geotechnical properties of sediment from different borrow sources can vary. Sediment characteristics influence post-nourishment equilibration, beach slope, substrate temperatures for incubating sea turtles, and morphologic response to storms. Although many regulatory agencies have policies requiring that the borrow source sediment closely matches, or is compatible with, the native beach sediment, placement of sediment from various borrow sources could result in sediment properties that deviate from the native material over time due to selective transport processes. This study is a brief update on the results of Brown and Briggs (2020) on the sediment properties and beach morphology of nourished and non-nourished beaches in northern Palm Beach County, FL, USA. Nourished beaches using various borrow sources were similar in sedimentology and slope to non-nourished beaches. Foreshore slopes on local beaches were most similar to predicted slopes for protected beaches, likely due to reduced fetch from the Bahamian archipelago. The proximity to hard structures appears to have an important influence on foreshore slopes and sediment properties and requires further analysis.

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Wang, Alexander, Xiao Hua Wang e Gang Yang. "The Effects of Wind-Driven Storm Events on Partly Sheltered Estuarine Beaches in Batemans Bay, New South Wales, Australia". Journal of Marine Science and Engineering 9, n. 3 (12 marzo 2021): 314. http://dx.doi.org/10.3390/jmse9030314.

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Extreme wind-driven storm events have the potential to erode beach systems. Along the East Coast of Australia, storm events have been responsible for beach erosion in many coast-facing, open beaches. This paper investigates the potential impacts of wind-driven storms on partly sheltered estuarine beaches—a niche found within Batemans Bay, New South Wales (NSW), along the East Coast. It combines beach geomorphological data with meteorological and oceanographic data to evaluate the impacts of large storm events on three partly sheltered estuarine embayed beaches (Cullendulla Beach, Corrigans Beach, and Maloney’s Beach). The results show that while embayed beaches are protected from some storm events, storm impacts may vary with the season due to wind speed and direction changes, the presence of nearby rivers or creeks, and anthropogenic modifications such as dredging and coastline alterations. This study may contribute to the understanding of the erosive impacts of storms and help improve management strategies used to prevent recession, particularly on embayed beaches.

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Dharma, I. Gusti Bagus Sila, e Soni Senjaya Efendi. "Study of the Evolution of Sanur Beach Nourishment Project for Beach Enhancement". Applied Mechanics and Materials 776 (luglio 2015): 145–50. http://dx.doi.org/10.4028/www.scientific.net/amm.776.145.

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Beach nourishment, or also commonly known as beach fill, is a technique widely used in coastal engineering to rehabilitate eroded beaches or create new beaches and widen existing beaches. However, once an instance of beach filling has occurred, it needs to be repeated on a regular basis because the new beach would be more prone to abrasion than natural beaches. This paper describes the of beach change based on numerical modeling in the study of the evolution of a beach nourishment project. The measured beach profile, wave height and sediment in Sanur beach, Bali are used for the numerical analysis based on the existing studies are applied in the analysis of the beach. The simulation results show that there are three segment of the coastal area in between the groin need to be overcome.

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Tesi sul tema "Beaches"

Quinn, Paul Anthony. "Breaking waves on beaches". Thesis, University of Edinburgh, 1995. http://hdl.handle.net/1842/12822.

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A comprehensive experimental study has been carried out to measure the velocity field of waves breaking on two types of beach. The measurement technique of Particle Image Velocimetry (PIV) has been used throughout to measure the full-field, instantaneous velocity distributions. This technique is described in some detail with particular attention paid to the errors inherent when using PIV in this application. The first type of beach studied has a mild slope, typical of sandy beaches. PIV measurements have been carried out on 1:30 and 1:100 plane sloping beaches with monochromatic waves. The measured internal kinematics are compared to those predicted by the Boussinesq and Serre wave models, with some good agreement. However, there are some significant differences in the near-surface region of the wave crest which tend to increase as the waves propagate up the beach. In addition to these theoretical comparisons, the Integral Properties of the waves on the 1:30 slope are calculated from the PIV measurements. The second type of beach examined is typical of a shingle beach. In addition to being steeper than the previous case, these beaches are also profiled, representing the shape of the beach formed under storm conditions. Two profiles have been modelled and three different monochromatic waves have been measured on each. The wave breaking processes are described and velocity measurements from each wave on both beaches are shown. Furthermore, a near-bed velocity comparison between the three waves at various positions along each beach has also been carried out in order to explain any potential on-shore and off-shore sediment motion.

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Acuna, Adrian Pedrozo. "Concerning swash on steep beaches". Thesis, University of Plymouth, 2005. http://hdl.handle.net/10026.1/1672.

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This investigation focuses on the prediction of sediment transport and beach evolution in coarse-grained beaches. This includes observed morphological changes on both gravel and mixed beaches from experimental investigations at the Large Wave Flume (GWK) in Hanover. Germany. The recorded measurements show that the majority of morphology change took place adjacent to the zone of wave-breaking, close to the shoreline in both cases. Based on these observations, the discussions are carried out with psirticular regard to the observed tendency for onshore transport axid profile steepening in the swash zone. The aim is to identify the cross-shore hydrodynamics and sediment transport mechanisms involved, to advance understanding of this type of beach and to improve our qucintitative capabilities for predicting shoreline and morphological changes in this zone. With this in mind, this thesis includes a discussion of the physical processes related to swash hydrodynamics and sediment transport. It also introduces the description of the mathematical framework used to study wave hydrodynamics in the swash zone. Emphasis is given to the Boussinesq equations which have been found to be a suitable approach. For these equations an evaluation of the two available shoreline boundary conditions is carried out and it is shown that the moving shoreline accurately reproduces the velocity field in the swash zone. The profile evolution investigation is carried out evaluating the transport rates from a bed-load sediment transport formulation coupled with velocities calculated from a set of Boussinesq equations (Lynett et al 2002). Then the equation for conservation of sediment is solved to estimate the morphological changes as proposed by (Rakha et al 1997). It is shown that such an approach is useful to investigate the processes that control this evolution. A discussion on the influence of bottom friction on the predicted profiles is presented. Numerical results in both beaches show that the use of a higher friction factor f during uprush improves the simulations of morphological changes. However, the variation of friction by itself was not able to reproduce the measured profiles. A plausible reason to explain this is that further mechanisms other than friction play an important role in the overall response of coarsegrained beaches. For both beaches it is established that, if the efficiency factor (C) in the sediment transport equation and bottom friction are kept the same in the uprush and backwash, accurate representation of profile evolution is not possible. Indeed, the features of the predicted profiles are reversed. When the C parsimeter is set larger during the uprush than during the backwash, the predicted profiles are closer to the observations. Differences between the predicted profiles from setting non-identical C-values and friction factors for the swash phase, are believed to be linked to both the infiltration effects on the flow above the beachface, the bore collapse picking up sediment from the bed, and the accelerated flow in the uprush. The discussion is made with reference to main physical processes acting over the beachface for both the mixed and gravel beach.

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Trim, Louise. "Physical modelling of shingle beaches". Thesis, University of Brighton, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.399044.

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Heinze, Heather W. "Anthropogenic Influences and Meteorological Effects: How They are Changing the Sand Beaches in Southern Maine". Fogler Library, University of Maine, 2001. http://www.library.umaine.edu/theses/pdf/HeinzeHW2001.pdf.

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Coutts-Smith, Aaron J. "The significance of mega-rips along an embayed coast". Phd thesis, School of Geosciences, 2004. http://hdl.handle.net/2123/6082.

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Finlayson, David P. "The geomorphology of Puget Sound beaches /". Thesis, Connect to this title online; UW restricted, 2006. http://hdl.handle.net/1773/11035.

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Brown, Jenna A. "Cross-shore exchange on natural beaches". Thesis, Monterey, California: Naval Postgraduate School, 2014. http://hdl.handle.net/10945/43882.

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Approved for public release; distribution is unlimited
The cross-shore exchange of material is examined on beaches of varying morphology and hydrodynamics. On a dissipative, rip-channeled beach in Monterey, California, field measurements of the rip current vertical structure reveal depth-uniform flows inside the surf zone, and surface-dominated flows with rotation over depth outside the surf zone. Aperiodic, very low frequency pulsations in the near-surface velocity were found to control the mean rip current flow. Observations of Lagrangian surface drifters released on the inner shelf resulted in a new theory of material transport on a rip-channeled beach, where rip current pulses episodically expel material offshore through rip channels, and momentum-driven surfzone circulations pull the material back onshore over shoals to satisfy a mass balance, with no material being completely removed from the nearshore system. Advection and diffusion processes on a steep, reflective beach at Carmel River State Beach, California, are also investigated using measurements of the temporal and spatial evolution of dye released in the surf zone. A net offshore transport did exist, and the mixing and transport processes inside and outside the surf zone were independent. Overall, this work provides new insights into the fate of material transported between the surf zone and inner shelf on natural beaches.

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Brown, Susan Jayne 1967. "Longshore currents on seawall-protected beaches". Thesis, Massachusetts Institute of Technology, 1996. http://hdl.handle.net/1721.1/39079.

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Stefanova, Stela K. "Measuring the recreational value of changes in beach access, beach width, and vehicle access in the Mid-Atlantic region application of random utility models /". Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file, 192 p, 2009. http://proquest.umi.com/pqdweb?did=1892027481&sid=6&Fmt=2&clientId=8331&RQT=309&VName=PQD.

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Gardner, Nathan. "Formation and Age of Raised Marine Beaches, Northern Scott Coast, Antarctica". Fogler Library, University of Maine, 2002. http://www.library.umaine.edu/theses/pdf/GardnerN2002.pdf.

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Libri sul tema "Beaches"

Dart, Iris Rainer. Beaches. London: Penguin, 1993.

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Macken, JoAnn Early. Beaches. Pleasantville, NY: Gareth Stevens Pub., 2008.

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Berne, Emma Carlson. Beaches. New York: PowerKids Press, 2008.

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Dart, Iris Rainer. Beaches. New York: Perennial, 2004.

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Dart, Iris Rainer. Beaches. New York: HarperCollins, 2007.

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Dart, IrisRainer. Beaches. London: Joseph, 1985.

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Dart, Iris Rainer. Beaches. Toronto: Bantam Books, 1985.

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Midler, Bette, Mary Agnes Donoghue e Garry Marshall. Beaches. Burbank, Calif: Touchstone Home Video, 2005.

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Lenček, Lena. Beaches. San Francisco: Chronicle Books, 2000.

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Héquette, A. Beaches at risk (BAR). Berlin: Gebrüder Borntraeger, 2008.

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Capitoli di libri sul tema "Beaches"

Ruessink, Gerben, e Roshanka Ranasinghe. "Beaches". In Coastal Environments and Global Change, 149–77. Chichester, UK: John Wiley & Sons, Ltd, 2015. http://dx.doi.org/10.1002/9781119117261.ch7.

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Simpson, Daniel. "Beaches". In The Royal Navy in Indigenous Australia, 1795–1855, 117–39. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-60097-6_5.

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Sherman, Douglas J. "Dissipative Beaches". In Encyclopedia of Earth Sciences Series, 724–25. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-319-93806-6_123.

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Simpson, David P., Jon Williams e Younes Nouri. "Gravel Beaches". In Encyclopedia of Earth Sciences Series, 917–22. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-319-93806-6_159.

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Leatherman, Stephen P. "Rating Beaches". In Encyclopedia of Earth Sciences Series, 1395–401. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-319-93806-6_253.

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Sherman, Douglas J. "Reflective Beaches". In Encyclopedia of Earth Sciences Series, 1409–11. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-319-93806-6_256.

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Nordstrom, Karl F., e Nancy L. Jackson. "Bay Beaches". In Encyclopedia of Earth Sciences Series, 206–9. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-319-93806-6_29.

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Botero, Camilo M., Juan A. Cabrera e Seweryn Zielinski. "Tourist Beaches". In Encyclopedia of Earth Sciences Series, 1790–96. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-319-93806-6_401.

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McKenna, John. "Boulder Beaches". In Encyclopedia of Earth Sciences Series, 346–49. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-319-93806-6_56.

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Short, Andrew D. "Carbonate Beaches". In Encyclopedia of Earth Sciences Series, 355–61. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-319-93806-6_60.

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Atti di convegni sul tema "Beaches"

Tajima, Yoshiyuki, Akio Kuroyanagi e Ryo Sugahara. "Study About Maintenance and Management on an Artificial Beach in Okinawa-Honto". In ASME 2018 37th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/omae2018-78282.

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At the main island of Okinawa, land preparation developed to the sea side and many seacoasts were lost. The development of the artificial beach had progressed for suppling the lost coasts, and many artificial beaches were developed after “Emerald beach” was developed as the first artificial beach in Japan, 1975. In the suburbs, artificial beaches of beachpark type had developed in the place developed by reclaimed, and it is used by people. In this study, We verify the condition of the beach maintenance, the beach shape, the installation facility, the utility form and the management method for artificial beaches in the main island of Okinawa, and arrange the way of the seacoast use in the main island of Japan.

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Gibbs, Ann E., Bruce M. Richmond e Charles H. Fletcher. "Beach Profile Variation on Hawaiian Carbonate Beaches". In First International Symposium on Carbonate Sand Beaches. Reston, VA: American Society of Civil Engineers, 2002. http://dx.doi.org/10.1061/40640(305)8.

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Cabezas-Rabadán, Carlos, Jaime Almonacid-Caballer, Josep E. Pardo-Pascual e Jesús Soriano-González. "VARIABILIDAD DE LA LÍNEA DE COSTA A PARTIR DE IMÁGENES DE SATÉLITE Y SU RELACIÓN CON LA TEXTURA DEL SEDIMENTO". In 1st Congress in Geomatics Engineering. Valencia: Universitat Politècnica València, 2017. http://dx.doi.org/10.4995/cigeo2017.2017.6628.

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Beaches are natural environments of great interest for our society. They go through remarkable changes run by key factors that are interconnected according to the literature. A better understanding of these parameters, such as sediment texture and shoreline variability, would be of a great interest for coastal monitoring and planning. Shorelines of all Landsat 8 (OLI) images available over the course of one year have been obtained for determining the variability that has occurred in different Valencian beaches. Likewise, the relation between shoreline variability and sediment texture has been evaluated, showing that beaches with higher variability over the year have smaller sediment texture, which is also related with gentle slopes, and vice versa. The methodology allows obtaining the shoreline variability, a key parameter of beach morphodynamics, in a semiautomatic way. The variability allows developing a gross estimate of beach texture.http://dx.doi.org/10.4995/CIGeo2017.2017.6628

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Leontyev, Igor, Igor Leontyev, Tatiana Akivis e Tatiana Akivis. "AN ARTIFICIAL BEACH AS A MEANS FOR SEA COAST PROTECTION FROM STORM SURGES (BY THE EXAMPLE OF THE EASTERN GULF OF FINLAND)". In Managing risks to coastal regions and communities in a changing world. Academus Publishing, 2017. http://dx.doi.org/10.31519/conferencearticle_5b1b9403144712.89174137.

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A model of an artificial beach is suggested for protection of coasts under erosion due to intense storm surges. It is shown that the coarser beach sand results in decrease of the beach width and growth of nourishment volume. At the same time relative material loss due to long-shore sediment transport diminishes too. The model has been applied to three sections of the coasts of Kurortny district of S.-Petersburg (eastern part of the Gulf of Finland). It recommends medium sand for the beaches construction. Modeling of extreme storms effect shows only minor deformations for designed beach profiles. For the beaches more than 1 km long even in 30-50 years more than a half of the initial beach volume conserves without additional nourishment.

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Jones, R. J., e N. W. H. Allsop. "Rock Armoured Beach Control Structures on Steep Beaches". In 24th International Conference on Coastal Engineering. New York, NY: American Society of Civil Engineers, 1995. http://dx.doi.org/10.1061/9780784400890.085.

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Miyazaki, Wataru, Takeo Kondo, Kazukiyo Yamamoto e Takahiro Koga. "Research on Methods of Preventing Children From Getting Lost at Beaches". In ASME 2008 27th International Conference on Offshore Mechanics and Arctic Engineering. ASMEDC, 2008. http://dx.doi.org/10.1115/omae2008-57303.

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At Oarai Sun Beach, one of the most popular bathing beaches in Japan, more than 500 children get lost every year. However, the only method employed at bathing beaches in Japan, including Oarai Sun Beach, to prevent children from getting lost is supervision of children by their guardians. Thus, a method that can be followed by beach management personnel is required. This study reports the results of a survey and analysis conducted with regard to developing a method of preventing children from getting lost and a method of quickly finding lost children as well as clarifies the reasons for children getting lost. It was found that in many cases, children get lost because they are distracted and lose sight of their guardians in specific areas, e.g., near the water and on the sandy shore, as well as in crowded areas.

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Sibirtsova, Elena, e Elena Sibirtsova. "STORM ICE OIL WIND WAVE WATCH SYSTEM (SIOWS): WEB GIS APPLICATION FOR MONITORING THE ARCTIC THE BLACK SEA AND MICROPLASTICS: SEVASTOPOL BEACHES MONITORING". In Managing risks to coastal regions and communities in a changing world. Academus Publishing, 2017. http://dx.doi.org/10.31519/conferencearticle_5b1b946fe3dc54.76748344.

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Within the framework of the monthly monitoring the study of qualitative and quantitative composition and distribution of micro- and small macroplastic on sandy and pebbly beaches of Sevastopol is initiated. Microplastics and small macroplastic abundance was estimated from surveys on two of the most popular Sevastopol sandy beaches of the Crimea Black Sea Coast (Omega beach and Uchkuyevka beach). The samples were collected during March - April 2016 from the top 5 cm of the numerous square areas (1×1 m) placed on 20 m long transects perpendicularly 100-meter lines along the shore line. Three type of stainless steel sieves were used: mesh sizes 5 mm, 1 mm and 0,3 mm. In the laboratory, the collected sediments were introduced into a glass tank with a high concentration solution of sodium chloride (NaCl) 140 g l-1, the floating plastic particles recovered, sorted and categorized by type, usage and erosion level. The mean microplastics densities on Omega and Uchkuyevka Beach were 4,2 ± 0,95 and 2,6 ± 0,95 items m-2, accordingly. Most of micropastics items were rigid fragments (60%), polystyrene (25%) and polyethylene (15%). Number of macroplastic particles (size of 5-100 mm) by 1 m-2 ranged from 2.35 to 57, the mean abundance on Omega and Uchkuyevka beaches were 10,1 ± 0,95 and 7,3 ± 0,95, accordingly.

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Vousdoukas, M., A. F. Velegrakis, Th Karambas, G. Valais e S. Zarkogiannis. "Morphodynamics of Beachrock Infected Beaches: Vatera Beach, Northeastern Mediterranean". In Fifth International Conference on Coastal Dynamics. Reston, VA: American Society of Civil Engineers, 2006. http://dx.doi.org/10.1061/40855(214)48.

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Rapporti di organizzazioni sul tema "Beaches"

U.S. Army Engineer Waterways Exp Station. Irregular Wave Runup on Beaches. Fort Belvoir, VA: Defense Technical Information Center, marzo 1995. http://dx.doi.org/10.21236/ad1003838.

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Walton, Jr, e Todd L. Wave Reflection from Natural Beaches. Fort Belvoir, VA: Defense Technical Information Center, agosto 1991. http://dx.doi.org/10.21236/ada240730.

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Ward, Larry, Kaitlyn McPherran, Zachary McAvoy e Maxlimer Vallee-Anziani. New Hampshire Beaches: Sediment Characterization. University of New Hampshire Libraries, 2016. http://dx.doi.org/10.34051/p/2021.29.

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Finlayson, David. The Geomorphology of Puget Sound Beaches. Fort Belvoir, VA: Defense Technical Information Center, ottobre 2006. http://dx.doi.org/10.21236/ada477548.

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Inman, Douglas L., e Peter N. Adams. Bedforms and Closure Depth on Equilibrium Beaches. Fort Belvoir, VA: Defense Technical Information Center, dicembre 2005. http://dx.doi.org/10.21236/ada441320.

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Hastjarjo, Sri, e Rutiana D. Wahyunengseh. From littered Bali beaches to sustainable tourism. A cura di Ria Ernunsari, Tasha Wibawa e Charis Palmer. Monash University, settembre 2022. http://dx.doi.org/10.54377/75ab-cb5b.

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Hart, Kate, Jodi Lejeune, Rebecca Beavers, Sam Whitin, Christopher Overcash, Monique LaFrance Bartley e Suzie Boltz. National Park Service beach nourishment guidance (second edition). National Park Service, maggio 2023. http://dx.doi.org/10.36967/2299256.

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Sandy coastal areas (including coastal dunes, beaches, and submerged intertidal and nearshore areas) are naturally dynamic ecosystems. These areas experience accretion, erosion, dune and island migration, overwash, and other processes as sediments are transported by the wind, waves, tides, and currents. If these natural physical processes are disrupted, the beach ecosystem may transform, become unstable, or disappear completely over time. Human development of coastal areas, sea level rise, and increasing frequency and intensity of coastal storms are examples of coastal change that interfere with sediment transport and therefore threaten the stability of coastal ecosystems. Beach nourishment is a nature-based engineering strategy that artificially delivers sand (a size of sediment) to a coastal ecosystem to lessen the disruption of sediment supply. Generally, beach nourishment is intended to mitigate erosion, protect infrastructure and buildings, and/or to restore habitat. The National Park Service (NPS) has produced an updated guidance manual that provides a consistent approach to beach nourishment based on sound coastal science and engineering. The goal of this updated guidance is to provide information on this method to protect and preserve the beaches and associated resources of the National Park System.

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Pradhan, Rudra Prasad, e Kalyani Yeola. How India's beaches can unlock a nuclear-powered future. A cura di Chandan Nandy e Chris Bartlett. Monash University, aprile 2024. http://dx.doi.org/10.54377/93d7-2303.

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Jensen, Rylee, Ellisif Cline e Kelsey Griffin. Coastal observations of seabird mortality in Katmai National Park, Alaska: 2012?2021. National Park Service, 2023. http://dx.doi.org/10.36967/2298713.

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In 2012, Katmai National Park & Preserve joined the stranded seabird survey efforts spearheaded by the University of Washington?s Coastal Observation and Seabird Survey Team (COASST). COASST is a citizen science network started in 1999 with the goal of establishing a baseline dataset of seabird mortality to identify unusual die-offs. During the winter of 2015 and spring of 2016, the Gulf of Alaska experienced a large die-off of common murres (Uria aalge; COMU) due to a severe marine heatwave in the North Pacific. Katmai National Park & Preserve (KATM) staff contributed to the identification and documentation of seabird carcasses washed ashore from this die-off; in 2016 alone, 90 murres (likely COMU; only counting new birds) were documented along a 1 km stretch of Swikshak beach. KATM staff have conducted a total of 105 COASST surveys documenting 203 seabird carcasses on four 1 km section of beaches in KATM and Bristol Bay: Swikshak, Hallo, North Hallo, and Naknek. During the peak of the die-off in 2016, Swikshak beach contained an average of 20.6 carcasses per survey. During a typical year (using 2014 as an example), the average was 0.33 carcasses, highlighting the severe impact that die-off events like this have on seabird colonies. These events have occurred throughout Alaska annually since 2015 (USFWS 2021) and have affected some of our beaches every year, particularly Naknek Beach in 2019.

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Meisburger, Edward P. Oolites as a Natural Tracer in Beaches of Southeastern Florida. Fort Belvoir, VA: Defense Technical Information Center, luglio 1989. http://dx.doi.org/10.21236/ada211323.

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