Thematische Bibliographien / Beach barrier

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Auswahl der wissenschaftlichen Literatur zum Thema „Beach barrier“

Autor: Grafiati

Veröffentlicht am 6. Oktober 2023

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Zeitschriftenartikel zum Thema "Beach barrier"

Hesp, Patrick A., Sergio R. Dillenburg, Eduardo G. Barboza, Luiz J. Tomazelli, Ricardo N. Ayup-Zouain, Luciana S. Esteves, Nelson L. S. Gruber, Elirio E. Toldo-Jr., Luiz L. C. de A. Tabajara und Luiz C. P. Clerot. „Beach ridges, foredunes or transgressive dunefields? Definitions and an examination of the Torres to Tramandaí barrier system, Southern Brazil“. Anais da Academia Brasileira de Ciências 77, Nr. 3 (September 2005): 493–508. http://dx.doi.org/10.1590/s0001-37652005000300010.

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Many prograded barriers and some dunefields in theworld have been termed 'beach ridge' plains, but the actual genesis of the 'ridges' is often unknown. Use of the terms, berms, beach ridges and foredunes is also confusing in the literature because their definitions are highly variable and are commonly used interchangeably. Thus, the formation and definition of sand berms, beach ridges and foredunes is briefly reviewed. Beach ridges are re-defined as entirely wave formed deposits which are most commonly formed during high wave conditions and/or elevated water levels (e.g. storm surges). Foredunes are formed by aeolian sand deposition in vegetation on the backshore. Some dunefields in Brazil have been called beach ridge plains when they are, in fact, foredune plains, transgressive dunefields, or complex barriers (i.e. barriers comprising two types of dunes). The Holocene barrier extending from Torres to Tramandaí in southern Brazil has been regarded as a beach ridge plain. The landforms of this Holocene barrier comprise wide, relatively linear, widely spaced (400-600m), shore parallel ridges on the landward half, and more closely spaced (80-400m), lobate and crescentic, discrete ridges on the seaward half. Low, rolling dunefields, sand sheets, nebkha fields and deflation plains occur between the ridges. The barrier is re-interpreted as a prograded, transgressive dunefield barrier.

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Ions, Kristian, Harshinie Karunarathna, Dominic E. Reeve und Douglas Pender. „Gravel Barrier Beach Morphodynamic Response to Extreme Conditions“. Journal of Marine Science and Engineering 9, Nr. 2 (28.01.2021): 135. http://dx.doi.org/10.3390/jmse9020135.

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Gravel beaches and barriers form a valuable natural protection for many shorelines. The paper presents a numerical modelling study of gravel barrier beach response to storm wave conditions. The XBeach non-hydrostatic model was set up in 1D mode to investigate barrier volume change and overwash under a wide range of unimodal and bimodal storm conditions and barrier cross sections. The numerical model was validated against conditions at Hurst Castle Spit, UK. The validated model is used to simulate the response of a range of gravel barrier cross sections under a wide selection of statistically significant storm wave and water level scenarios thus simulating an ensemble of barrier volume change and overwash. This ensemble of results was used to develop a simple parametric model for estimating barrier volume change during a given storm and water level condition under unimodal storm conditions. Numerical simulations of barrier response to bimodal storm conditions, which are a common occurrence in many parts of the UK were also investigated. It was found that barrier volume change and overwash from bimodal storms will be higher than that from unimodal storms if the swell percentage in the bimodal spectrum is greater than 40%. The model is demonstrated as providing a useful tool for estimating barrier volume change, a commonly used measure used in gravel barrier beach management.

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Whitford, D. J., und E. B. Thornton. „LONGSHORE CURRENT FORCING AT A BARRED BEACH“. Coastal Engineering Proceedings 1, Nr. 21 (29.01.1988): 5. http://dx.doi.org/10.9753/icce.v21.5.

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The FRF site is located along a 100-km unbroken stretch of barrier island formation known as North Carolina's "Outer Banks." There are no littoral barriers to perturbate incoming wave trains along the entire reach of shoreline. The site has a tidal range of 0.5 to 2.0 m and regular offshore bathymetry.

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Nicholls, Robert J., Lauren Burt, Joel Smethurst und Charlotte Thompson. „IMPLICATIONS OF CONSOLIDATION ON BARRIER BEACH STABILITY“. Coastal Engineering Proceedings, Nr. 36 (30.12.2018): 67. http://dx.doi.org/10.9753/icce.v36.sediment.67.

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Barrier beaches often overlie backbarrier deposits composed of poorly consolidated sediments. Hence, they can consolidate significantly if loaded. A retreating barrier beach provides such a load. In the static situation of beach nourishment, the increased load of the raised beach volume will also cause increased consolidation. These can lower beach elevation promoting wave overtopping, overwashing and retreat. However, there is limited research concerning the role of consolidation on the stability of barrier beaches worldwide. This paper focuses on this issue using Hurst Spit on the UK south coast as a study site where consolidation is a known significant process (Nicholls, 1985; Burt et al., 2018). It is a storm beach composed of shingle (pebble and cobble) sediments and formerly retreated at 2 to 3 m/yr, Since the later 1990s it has been more stabilized by a major nourishment (Bradbury and Kidd, 1998), but continues to retreat slowly (Figure 1). A second nourishment phase is now being actively assessed following major damage in the large storm of 14 February 2014. In this context, the role of consolidation has been analyzed via new data collection, consolidation modelling and morphodynamic modelling. This paper presents these results and their implications.

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Clark, James S. „Dynamism in the Barrier‐Beach Vegetation of Great South Beach, New York“. Ecological Monographs 56, Nr. 2 (Juni 1986): 97–126. http://dx.doi.org/10.2307/1942504.

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McGovern, Theresa, und Paul Ross. „BARRIER BEACH COMMUNITY OPTS FOR VACUUM SEWERS“. Proceedings of the Water Environment Federation 2002, Nr. 14 (01.01.2002): 389–407. http://dx.doi.org/10.2175/193864702784247981.

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Hamilton, Thomas R. „A Transect Study of a Barrier Beach“. American Biology Teacher 50, Nr. 2 (01.02.1988): 107–9. http://dx.doi.org/10.2307/4448656.

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Dubois, Roger N. „Barrier-beach erosion and rising sea level“. Geology 18, Nr. 11 (1990): 1150. http://dx.doi.org/10.1130/0091-7613(1990)018<1150:bbears>2.3.co;2.

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Borah, Deva K., und Armando Balloffet. „Beach Evolution Caused by Littoral Drift Barrier“. Journal of Waterway, Port, Coastal, and Ocean Engineering 111, Nr. 4 (Januar 1985): 645–60. http://dx.doi.org/10.1061/(asce)0733-950x(1985)111:4(645).

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Feng, Jing, und Wei Wang. „The Use of Heavy Minerals in the Investigation of Barrier-Lagoon Coasts Development in Dapeng Peninsula, China“. Minerals 9, Nr. 6 (05.06.2019): 347. http://dx.doi.org/10.3390/min9060347.

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Typical barrier-lagoon systems are developed at Dongchong and Xichong on the southern coast of the Dapeng Peninsula of Guangdong, China. This paper studies the evolution of the barrier coasts of the peninsula, using the examples of the Dongchong and Xichong Bays. The Holocene stratigraphic records from borehole drilling on the coast of Dongchong and Xichong show that lagoon sediments are overlaid with beach deposits, indicating that the barriers migrated landward and climbed over the lagoon sediments when the shoreface retreated during the Holocene transgression, reaching the present positions after 7–8 ka BP. Heavy mineral analysis in this paper shows that: (1) the ancient beach sediments of the two bays have the same heavy mineral assemblages, which are different from those of modern beaches; (2) the present beaches of the two bays have different heavy mineral assemblages, even they are located less than 3000 m from each other on the same coast. This supports the hypothesis that the barriers originally came from the inner shelves during the Holocene transgression, but draws a new conclusion that the source of the beach sediments changed to inland rivers over the last thousand years because of a lack of sediment source from the sea floor.

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Dissertationen zum Thema "Beach barrier"

Laudier, Natalie A. „Wave overtopping of a barrier beach“. Thesis, Monterey, California : Naval Postgraduate School, 2009. http://edocs.nps.edu/npspubs/scholarly/theses/2009/Sep/09Sep%5FLaudier.pdf.

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Thesis (M.S. in Meteorology and Physical Oceanography)--Naval Postgraduate School, September 2009.
Thesis Advisor(s): MacMahan, Jamie. "September 2009." Description based on title screen as viewed on 5 November 2009. Author(s) subject terms: Overtopping, run-up, barrier, natural beach, Carmel River Beach Includes bibliographical references (p. 41-44). Also available in print.

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Foxgrover, Amy C. „Quantifying the Overwash Component of Barrier Island Morphodynamics: Onslow Beach, NC“. W&M ScholarWorks, 2009. https://scholarworks.wm.edu/etd/1539617888.

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A quantification of the role that barrier island overwash plays in the evolution of Onslow Beach, a barrier island located on Marine Corps Base Camp Lejeune, North Carolina, is presented. Ground-penetrating radar (GPR) and sediment vibracores provide an estimate of the relevant-sand prism above a silty/peat contact underlying the island. The average thickness from the surface, as determined from lidar, to this geologically-defined base, is less than 1 m and equates a total volume of approximately 1.8 ± 1.1 × 106 m3 over the 4.8 km stretch of Onslow Beach from 1 km north of the New River Inlet to Riseley Pier (~ 2 km2). Approximately 39% of the relevant-sand prism (680 ± 215 x 103 m3) is contained within the area of the island currently exhibiting signs of overwash events (i.e., the active overwash complex). Based upon the average cumulative thickness of distinct washover facies within 12 sediment cores (52 cm) and the surface area of the active overwash region, it is estimated that the volume sedimentologically distinct washover deposits equals 199 ± 88 × 103 m3 (approximately 29% of the active overwash complex or 11% of the entire relevant-sand prism). A time series of aerial imagery from 1938 to 2008 details the spatial and temporal trends in migration of both the wet/dry line (a shoreline proxy) and the vegetation line (indicating the landward extent of overwash). Long-term shoreline erosion rates in excess of 3 m/yr occurred over the southern portion of Onslow Beach while the northern portion experienced up to 1.7 m/yr of accretion within the same 80-year time span. Between 1938 and 2008, the vegetation line moved an average of 85 m landward over the length of the entire island and over 450 m in overwash sites at the southern end of the island where shoreline erosion rates are highest. A comparison with long-term shoreline change rates suggests that a simple linear relationship between spatial and temporal variability in shoreline behavior and volume of the relevant-sand prism does not exist. Trends based upon the past 80 years suggest that a positive correlation exists between storm frequency and overwash extent. Furthermore, the region experiencing the highest rates of shoreline erosion and the highest occurrence of overwash does not coincide with the area regularly subject to military training activities. These data suggest that natural forcings (sea level, wind and wave energy, geology, etc.) exert first-order control on the evolution of this barrier island. The ability to quantify and evaluate the relative importance of such forces is paramount to understanding how, and over what timescales, the nearshore environment responds to changes in external forcings (e.g., sea-level rise, storms, etc.) and, in turn, is fundamental to the development of reliable forecasts of shoreline trends and storm susceptibility models.

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Goldman, Ryan A. „Small Mammal Survey of John U. Lloyd Beach State Park, Dania Beach, Florida“. NSUWorks, 2013. http://nsuworks.nova.edu/occ_stuetd/166.

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Urban development and human encroachment on the natural habitats along the coastline of Florida combined with invasive exotic pressures have resulted in the fragmentation and degradation of habitat quality within Broward County. Native habitats have been significantly altered and fragmented to a fraction their previous size. With loss of habitat area and quality, isolation of breeding populations and anthropogenic pressures, it is important to determine species composition and habitat utilization in order to conserve the remaining biological diversity. It was the intent of this study to determine the small mammal species’ population structure and habitat utilization by season in the four sampled habitats. Previously undocumented species and/or extralimital populations were predicted prior to sampling. John U. Lloyd Beach State Park in Dania Beach, Florida is an understudied location for small mammals. This study surveyed four terrestrial habitats for small mammal species using live trapping and mark/recapture techniques. Data were collected monthly over the span of thirteen months to determine habitat use from maritime hammock, mangrove swamp, coastal dune and ruderal habitat types to determine species composition and mass of individual captures and recaptures. Trapping (3749 trap nights) produced twenty-four captures (including recaptures) in two of the four habitat types: maritime hammock and coastal strand. No animals were captured in the mangrove swamp or ruderal habitats, both of which were dominated by invasive Australian pine (Casuarina equisetifolia) monocultures. Post study, a large habitat restoration project restored the habitats impacted by invasive exotic flora. This survey serves as a baseline for small mammals in the park, documenting the pre-restoration habitat use and species composition. Future study to determine changes in species composition post-restoration is recommended.

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Rosenfeld, Kristen Marie Wentworth Thomas R. Suiter Dale William. „Ecology of Bird Island, North Carolina an uninhabited, undeveloped barrier island /“. Connect to this title online, 2004. http://www.lib.ncsu.edu/theses/available/etd-07122004-185722/.

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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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Hasbrouck, Emerson G. „The influence of tidal inlet migration and closure on barrier planform changes : Federal Beach, NC /“. Electronic version (PDF), 2007. http://dl.uncw.edu/etd/2007-3/r1/hasbroucke/emersonhasbrouck.pdf.

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Hancock, Thomas E. „Ecophysiology of barrier island beach plants responses in form and function to daily, seasonal and episodic stresses /“. Winston-Salem, NC : Wake Forest University, 2009. http://dspace.zsr.wfu.edu/jspui/handle/10339/44784.

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Junior, Daniel Rodrigues do Nascimento. „\"Morfologia e sedimentologia ao longo do sistema praia-duna frontal de Ilha Comprida, SP\"“. Universidade de São Paulo, 2006. http://www.teses.usp.br/teses/disponiveis/44/44140/tde-15032007-161706/.

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A Ilha Comprida, localizada no litoral sul do Estado de São Paulo, é uma ilha-barreira arenosa holocênica de 63 km de comprimento por até 5 km de largura, limitada a SW pela desembocadura de Cananéia, e a NE, pela desembocadura de Icapara. Seu sistema praia - duna frontal teve grande variação no tempo, como evidenciado por sucessivos truncamentos de cordões litorâneos. Em escala de tempo mais restrita, dentro dos últimos 200 anos, coberta pelo registro histórico e cartográfico e por fotografias aéreas, as mudanças morfológicas mais significativas concentram-se no extremo nordeste da ilha. Incluem a variação de largura na área hoje caracterizada pelo máximo estrangulamento da ilha, a formação de um pequeno campo de dunas transgressivo nesta mesma área, o surgimento em 1943 de uma projeção da linha de costa, atualmente em estágio avançado de erosão, e o aparecimento intermitente e sucessivo de embaiamentos lagunares no setor adjacente da ilha de Iguape. A abertura do canal artificial do Valo Grande, em 1852, atuou de modo direto ou indireto em pelo menos parte destas mudanças. O aumento de vazão, de retrabalhamento de sedimentos arenosos e portanto de aporte de carga de fundo, devido ao Valo Grande, induziu o surgimento de ilhas arenosas e a formação de ?manchas de areia? no fundo do canal lagunar, bem como a intensificação da dinâmica de meandramento da desembocadura de Icapara, implicando possível aceleração na migração desta desembocadura rumo NE e no próprio crescimento longitudinal da barreira. O sistema praia - duna frontal da Ilha Comprida apresenta também grande variação no espaço, evidenciada pela alternância ao longo de sua extensão de morfologias diferentes, o que pode ser atribuído à intercalação entre setores de caráter deposicional e erosivo. As extremidades da barreira caracterizam-se pela ocorrência marcante de pequenos campos de nebkhas sobre terraços baixos de dunas frontais (<0,5 m). A presença dessas feições pode ser relacionada à contínua progradação próximo às desembocaduras lagunares de Icapara e de Cananéia. A zona erosiva mais evidente encontra-se na extensão centro-sul da praia, como evidenciado pela ocorrência de cordões antigos truncados pela linha de costa atual, e pela redução em tamanho de dunas frontais ativas incipientes e estabelecidas, as quais aparecem por vezes com falésias vivas associadas. Na mesma região, a morfodinâmica muda de regime dissipativo para intermediário, com presença de cúspides de espraiamento e berma. Esta região, ademais, concentra a mais alta variabilidade e complexidade de morfologia de dunas (i.e. cordões de dunas incipientes e estabelecidas obliquamente amalgamadas), além de uma concentração maior de dunas do tipo rampa. No restante do sistema, predomina ampla face de praia de baixa declividade (média de 0,66o), com tendência para formas mais estáveis de dunas frontais (terraços e cordões). Medidas estatísticas de distribuição granulométrica (diâmetro médio, desvio-padrão e assimetria) obtidas através do método dos momentos de Pearson, permitiram inferir, pela regra de McLaren, duas células de deriva litorânea longitudinal principais. A célula nordeste, dirigida para NE, abrange aproximadamente 53 km, e a célula sudoeste toma em sentido oposto (SW) os restantes 10 km. As duas zonas de pólo deposicional de deriva são caracterizadas por amplos e baixos terraços de dunas frontais incipientes progradacionais. A zona de divergência entre as células de deriva coincide com a região de erosão costeira mais intensa. A distribuição em massa de minerais pesados é concordante com o transporte longitudinal verificado. Responde a isso a tendência de aumento de minerais de menor equivalente hidráulico (em geral, quimicamente mais instáveis) a despeito da redução de minerais de equivalente hidráulico mais alto (em geral, quimicamente mais estáveis) no rumo de transporte. A integração dos resultados obtidos por análise morfológica (fotointerpretação e estudo de feições de campo) e sedimentológica (granulometria e minerais pesados) permitiu estabelecer um modelo morfodinâmico para o sistema praia - duna frontal recente da Ilha Comprida. Neste modelo, a fase final de evolução da ilha é atribuída tanto à superação do obstáculo ao crescimento longitudinal exercido pelo morro de Icapara, quanto ao incremento de carga sedimentar na desembocadura de Icapara, induzido pela abertura do Valo Grande.
Ilha Comprida is a Holocene sandy barrier-island located on the south coast of São Paulo State, 63 km long and 2 to 5 km wide. Its transverse boundaries are Cananéia and Icapara inlets, at the SW and NE, respectively. The beach-foredune system of Ilha Comprida have experienced intense morphological variation in time, as showed by the successive truncations of littoral ridges. In a more restricted time-scale (at least 200 years) as covered by historical and cartographic records and aerial photographs, the most relevant changes have occurred on the northeast extremity of the island. These changes include: i) variation in width at the present most narrow region; ii) formation of a little transgressive dunefield (2 km2) in the same region; iii) initiation (in 1943) of a projection in the coastline, actually in advanced erosional state; iv) intermittent and successive appearing of lagoonal embayments at the neighboring sector of the Iguape island. The opening of the Valo Grande artificial channel, in 1852, acted either directly and indirectly on these changes. The increase of sedimentary bed-load supply induced the appearance of sand islands and submerged sand patches along the lagoonal channel. Beside this, the increasing meandering of Icapara inlet forced its rapid migration to the NE, and the longitudinal growing of the barrier. The beach-foredune system also shows great variability alongshore, observed on the morphologic alternance of depositional and erosional sectors. The tips of the barrier are characterized by the marked occurrence of small nebkha fields on foredune terraces (up to 0.5 m high). These aeolian morphological features can be related with a continuous progradation nearly Icapara and Cananéia inlets. The most-evidenced erosional zone stays at the mid-southwestern portion of the beach, as observed on the truncation of former beach and foredune ridges by the present coastline, and on the reduction in size of active incipient and established foredunes (that often appears with active cliffs). In the same region, the coastal morphodynamics changes from dissipative to intermediary beach, with presence of swash cusps and berm. Moreover, this site concentrates the highest variability and complexity of dune morphology (e.g. obliquely amalgamated incipient and established foredune ridges), beyond a increasing occurrence of ramp foredunes. In the remains of the beach-dune system, large shorefaces of low declivity (0.66o in mean), with tendency to more stable shapes of foredunes (terraces and ridges), are dominant. Statistical measures on the distribuition of granulometric frequencies (mean diameter, standard deviation, skewness), calculated through the Pearson?s moments method, indicate according to the McLaren rule two main longshore drift cells. The northeastern cell, oriented towards the NE, comprises about 53 km. The southwestern cell, comprising the remaining 10 km, is oriented towards the SW. The two depositional poles of longshore drift cells are characterized by wide and flat progradational, incipient foredune terraces. The divergence zone among these longshore cells drift coincides with the zone of the most intense coastal erosion. The mass distribution of heavy minerals is in agree with the deduced directions of longshore transport. This fact is confirmed by the tendency of increasing concentration of minerals with minor hydraulic equivalence (usually, more unstable minerals) in despite of reduction of minerals with high hydraulic equivalence (usually, more stable minerals) along the net longshore drift direction. The integration of data obtained by morphologic analysis (interpretation of aerial photographs and field features) and sedimentology (grain size, heavy minerals), allowed to postulate a morphodynamic model for the recent beach-foredune system of Ilha Comprida. According to this model, the late phase of barrier evolution is related both to the surpassing an obstacle to longitudinal growth (Icapara hill), and to the increasing sedimentary input at the Icapara inlet, favored by the opening of the Valo Grande channel.

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Rose, Kathryn. „Configuration of the Pleistocene Surface Beneath Cat Island, Mississippi and Implications for Barrier Island Formation and Evolution“. ScholarWorks@UNO, 2010. http://scholarworks.uno.edu/td/1259.

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The mechanism of Holocene barrier formation aids in determining island geomorphologic responses to modifying climatic processes of the surrounding environment. The geometry and composition of local antecedent topography plays a role in barrier formation by providing an elevated base, nucleus for sedimentation and local sediment supply. Investigation of barriers' subsurface geology provides insight into island formation and evolution. High-resolution shallow seismic data acquired in the island's nearshore zone and interior canals, correlated with existing drillcore data, reveal that Cat Island, MS is situated over an Oxygen Isotope Stage 3 Phase 3 paleochannel located between two topographic high-grounds of the Pleistocene surface. Beach ridge strandplain sets on Cat Island provide additional evidence supporting the island's formation over a relict depocenter. A new, 4-stage model for Cat Island development and evolution incorporating the influence of pre-existing topographic high-grounds and abundant local sediment supply provided by a backfilling fluvial channel is presented here.

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McGinnis, Benjamin Adam. „Late Holocene evolution of a retrograding barrier : Hutaff Island, North Carolina /“. Electronic version (PDF), 2004. http://dl.uncw.edu/etd/2004/mcginnisb/benjaminmcginnis.pdf.

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Bücher zum Thema "Beach barrier"

Massachusetts Barrier Beach Task Force., Hrsg. Guidelines for barrier beach management in Massachusetts: A report of the Massachusetts Barrier Beach Task Force. Boston, Mass: Massachusetts Coastal Zone Management, 1994.

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E, Reiss Thomas, und Geological Survey (U.S.), Hrsg. Louisiana Barrier-Island Erosion Study: Isles Dernieres beach profiles--August 1986 to September 1987. [Denver, Colo.?]: U.S. Dept. of the Interior, Geological Survey, 1988.

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Works), United States Office of the Assistant Secretary of the Army (Civil. Beach nourishment project: Communication from the Acting Assistant Secretary (Civil Works), the Department of the Army, transmitting a report on the storm damage reduction project for Long Beach Island, Nassau County, New York, pursuant to section 101(a)(21) of the Water Resources Development Act of 1996. Washington: U.S. G.P.O., 1997.

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United States. Office of the Assistant Secretary of the Army (Civil Works). Beach nourishment project: Communication from the Acting Assistant Secretary (Civil Works), the Department of the Army, transmitting a report on the storm damage reduction and shoreline protection project for Rehoboth Beach and Dewey Beach, Delaware, pursuant to section 101(b)(6) of the Water Resources Development Act of 1996. Washington: U.S. G.P.O., 1997.

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E, Reiss Thomas, und Geological Survey (U.S.), Hrsg. Louisiana Barrier-Island Erosion Study: Isles Dernieres beach profiles--September 1987 through September 1988. [Denver, Colo.?]: U.S. Dept. of the Interior, Geological Survey : [Books and Open-File Report Section, distributor, 1989.

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Riggs, Stanley R. Effect of storms on barrier island dynamics, core banks, Cape Lookout National Seashore, North Carolina, 1960-2001. Reston, Va: U.S. Geological Survey, 2007.

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Buchteile zum Thema "Beach barrier"

Leatherman, Stephen P., und Keqi Zhang. „Coastal Hazards and Barrier Beach Development“. In WorldMinds: Geographical Perspectives on 100 Problems, 455–60. Dordrecht: Springer Netherlands, 2004. http://dx.doi.org/10.1007/978-1-4020-2352-1_74.

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Etongo, Daniel, Vincent Amelie, Angelique Pouponneau und Walter Leal Filho. „Identifying and Overcoming Barriers to Climate Change Adaptation in the Seychelles“. In African Handbook of Climate Change Adaptation, 2675–92. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-45106-6_136.

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AbstractAs a Small Island Developing State (SIDS), Seychelles is quite vulnerable to the impacts of climate change, and adaptation is considered a national priority. Despite efforts to enhance its adaptive capacity, a number of barriers still hamper the adaptation process such as fragile institutions and inadequate governance to climate change, financial and human resource capacity constraints, and limited scientific knowledge and understanding of how climate change affects the country. A key barrier to climate change adaptation in the Seychelles is called “remote” or “legacy” barriers – linked to land use decisions made five decades ago during which wetlands were reclaimed for property development. Therefore, 80% of Seychelles’ critical infrastructures are located on the coastline and are exposed to floods, erosion, and sea level rise. Additionally, the pros and cons of hard and soft adaptation interventions in the Seychelles ranging from rock armoring, retaining wall, groynes to ecosystem-based adaptation actions such as timber piling, beach nourishment, dune management, rainwater harvesting, and mangrove and coral restoration are assessed with recommendations on the way forward. In other words, this chapter provides some examples of actions and strategies that may assist the island nations to improve on adaptation actions. An example that addresses partly the financial constrain is the Seychelles’ Conservation and Climate Adaptation Trust (SeyCCAT) that provide funding for medium- and large-scale project in the Seychelles since 2015.

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Major, David C., Graham Major-Ex, James Fitton und Martin Lehmann. „Tale of Two Barrier Islands: Climate Change Management Challenges and Opportunities in Miami Beach FL and Shishmaref AK“. In Handbook of Climate Change Management, 1–17. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-22759-3_232-1.

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Major, David C., Graham Major-Ex, James Fitton und Martin Lehmann. „Tale of Two Barrier Islands: Climate Change Management Challenges and Opportunities in Miami Beach FL and Shishmaref AK“. In Handbook of Climate Change Management, 3255–71. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-57281-5_232.

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Regnauld, Hervé, Riwalenn Ruault, Jean Noël Proust, Jean-Jacques Tiercelin und François Pustoc’h. „Evolution of a Coastal Beach/Barrier/Marsh System in Response to Sea Level Rise, Storm Events and Human Impacts: A Case Study of Trunvel Marsh, Western Brittany“. In Advances in Geographical and Environmental Sciences, 231–43. Tokyo: Springer Japan, 2016. http://dx.doi.org/10.1007/978-4-431-56000-5_14.

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Kawauchi, Hideyuki, Kaoru Goda, Miki Tongu, Takaya Yamada, Noriaki Aoi, Ichiro Morikura und Takashi Fuchiwaki. „Short Review on Sublingual Immunotherapy for Patients with Allergic Rhinitis: from Bench to Bedside“. In Recent Advances in Tonsils and Mucosal Barriers of the Upper Airways, 103–6. Basel: KARGER, 2011. http://dx.doi.org/10.1159/000324631.

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Yahyaoui, Zouhour, François Sabatier, Noamen Rebai und Saâdi Abdeljaouad. „A Topo-Bathymetric Survey of the Morphological Evolution of a Microtidal Barred Beach. Case Study: The Coastal Prism of Korba (Mediterranean Coast; Northeast of Tunisia)“. In Mapping and Spatial Analysis of Socio-economic and Environmental Indicators for Sustainable Development, 103–16. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-21166-0_10.

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„barrier beach“. In Dictionary Geotechnical Engineering/Wörterbuch GeoTechnik, 104. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-41714-6_20617.

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„341 barrier-beach [n]“. In Encyclopedic Dictionary of Landscape and Urban Planning, 58. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-540-76435-9_870.

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„Beach and barrier coasts“. In Coasts, 248–320. Cambridge University Press, 2002. http://dx.doi.org/10.1017/cbo9781316036518.007.

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Konferenzberichte zum Thema "Beach barrier"

Walton, Jr., Todd L. „Planform Considerations for Barrier Island Beach Fill Storm Protection“. In Solutions to Coastal Disasters Conference 2005. Reston, VA: American Society of Civil Engineers, 2005. http://dx.doi.org/10.1061/40774(176)42.

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Lira, Acza, Adrianne Veras und Fabíola Araújo. „Jogo Educacional Digital para Auxiliar no Ensino de Numerais em Libras e Lógica de Conversão dos Números“. In Computer on the Beach. Itajaí: Universidade do Vale do Itajaí, 2022. http://dx.doi.org/10.14210/cotb.v13.p220-227.

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In view of the importance of teaching computer concepts in basiceducation and a linguistic barrier between deaf and hearing people, this work presents the development of an educational game, cal-led Barco Binário, which helps in learning the logic of converting binary numbers in a playful way and associated with the intro-duction of numerals in Brazilian Sign Language for hearing. The evaluation of the tests applied to expert users indicated that 87,5%of the interviewees understood, partially or totally, the processof binary conversion and about 75% of the evaluators stated thatthey managed to relate the numbers with their respective signs inBrazilian Sign Language after using the game.

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Roberto Ortoncelli, André, Marlon Marcon und Franciele Beal. „An Automated Approach to Mitigate Transcription Errors in Braille Texts for the Portuguese Language“. In Computer on the Beach. São José: Universidade do Vale do Itajaí, 2021. http://dx.doi.org/10.14210/cotb.v12.p293-300.

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The quota system in Brazil made it possible to include blind studentsin higher education. Teachers’ lack of knowledge about the braillesystem can represent a barrier between them and students who useit for writing and reading. Computer-vision-based transcriptionsolutions represent mechanisms for reducing understanding restrictionson this system. However, such tools face nuisances inherentto image processing systems, e.g., illumination, noise, and scale,harming the result. This paper presents an automated approachto mitigate transcription errors in braille texts for the Portugueselanguage. We propose a selection function, combined with dictionaries,that provides the best correspondence of words based ontheir braille representation. We validated our proposal on a datasetof synthetic images by submitting them to different noise levelsand testing the proposal’s robustness. Experimental results confirmthe effectiveness of the solution compared to a standard approach.As a contribution of this paper, we expect to provide a method tosupport robust and adaptable solutions to real use conditions.

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Выхованец, Г., und G. Vyhovanec. „MORPHOLOGY AND DYNAMICS OF THE LIMANIC BARRIERS ALONG THE BLACK SEA COAST UNDER ACTIVE ANTROPOGENOUS IMPACT“. In Sea Coasts – Evolution ecology, economy. Academus Publishing, 2018. http://dx.doi.org/10.31519/conferencearticle_5b5ce38b172424.51413389.

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Typical coastal elements of limans and lagoons are barriers, that separate limanic aquatories from a Seas. On limanic shores structure of the Black Sea sand barriers represented three longitudinal landscape “zones”: sea beach (“frontal”), dune-aeolian and limanic (“back of the barrier”). They closely interactive between themselves under influence of lithodynamical exchanges of sediment. General tendency of the barriers dynamics is displacement to Land direction.

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Austin, Martin, Gerd Masselink, Ian Turner, Daniel Buscombe und Jon Williams. „GROUNDWATER SEEPAGE BETWEEN A GRAVEL BARRIER BEACH AND A FRESHWATER LAGOON“. In Proceedings of the 31st International Conference. World Scientific Publishing Company, 2009. http://dx.doi.org/10.1142/9789814277426_0380.

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O'Connell, James F. „Comprehensive Barrier Beach Management: Balancing Storm Restoration, Recreational Use, and Coastal Resource Protection Using Progressive Practices, Duxbury Beach, Massachusetts“. In Solutions to Coastal Disasters Congress 2008. Reston, VA: American Society of Civil Engineers, 2008. http://dx.doi.org/10.1061/40968(312)64.

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Blatus, Elena, und J. Bradford Hubeny. „LATE HOLOCENE BREACHES OF A MESOTIDAL WELDED BARRIER: PHILLIPS BEACH, SWAMPSCOTT, MA“. In 53rd Annual GSA Northeastern Section Meeting - 2018. Geological Society of America, 2018. http://dx.doi.org/10.1130/abs/2018ne-311003.

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McKenna, Thomas E. „FLOW PATHS FOR FLOODING ON THE BACK-BARRIER OF SLAUGHTER BEACH, DELAWARE“. In Joint 69th Annual Southeastern / 55th Annual Northeastern GSA Section Meeting - 2020. Geological Society of America, 2020. http://dx.doi.org/10.1130/abs/2020se-345289.

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BYRNES, MARK R., CHESTER HEDDERMAN, P. E. MICHAEL HASEN, HARRY ROBERTS, SYED KHALIL und STEVEN G. UNDERWOOD. „DIFFERENTIAL SEDIMENT CONSOLIDATION ASSOCIATED WITH BARRIER BEACH RESTORATION: CAMINADA HEADLAND, SOUTH LOUISIANA“. In Coastal Sediments 2015. WORLD SCIENTIFIC, 2015. http://dx.doi.org/10.1142/9789814689977_0192.

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Huang, Zhaoyu, Sean M. Morrison, Riley P. M. Mulligan und John W. Johnston. „NIPISSING BARRIER STRATIGRAPHY EXPOSED ALONG THE NOTTAWASAGA RIVER IN WASAGA BEACH, ONTARIO“. In Joint 52nd Northeastern Annual Section and 51st North-Central Annual GSA Section Meeting - 2017. Geological Society of America, 2017. http://dx.doi.org/10.1130/abs/2017ne-291341.

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Berichte der Organisationen zum Thema "Beach barrier"

Taylor, R. B., und D. Frobel. Barrier breaches and washover features, Martinique Beach, Nova Scotia. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1999. http://dx.doi.org/10.4095/211075.

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John Vanek, John Vanek. Habitat Use by the Eastern Hognose Snake on a Barrier Beach. Experiment, März 2013. http://dx.doi.org/10.18258/0293.

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Provencher, L., und J. M. Dubois. Interpretation guide of natural geographic features from ETM+ Landsat imagery and aerial photography: barrier beach and spit. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2005. http://dx.doi.org/10.4095/314943.

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Beck, Tanya, und Ping Wang. Morphodynamics of barrier-inlet systems in the context of regional sediment management, with case studies from West-Central Florida, USA. Engineer Research and Development Center (U.S.), September 2021. http://dx.doi.org/10.21079/11681/41984.

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The temporal and spatial scales controlling the morphodynamics of barrier-inlet systems are critical components of regional sediment management practice. This paper discusses regional sediment management methods employed at multiple barrier-inlet systems, with case studies from West-Central Florida. A decision-support tool is proposed for regional sediment management with discussion of its application to barrier-inlet systems. Connecting multiple barrier islands and inlets at appropriate spatio-temporal scales is critical in developing an appropriately scoped sediment management plan for a barrier-inlet system. Evaluating sediment bypassing capacity and overall inlet morphodynamics can better inform regional sand sharing along barrier-inlet coastlines; particularly where sediment resources are scarce and a close coupling between inlet dredging and beach placement is vital to long-term sustainable management. Continued sea-level rise and anthropogenic activities may intensify the need for investigating longer-term processes and expanding regional planning at a centennial timescale and are acknowledged as challenging tasks for RSM studies. Specifically, we suggested that a regionally focused, multi-inlet study was necessary for management plan of individual inlet for the west-central Florida case studies. Key recommendations based on the case studies are included.

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Pstuty, Norbert, Mark Duffy, Dennis Skidds, Tanya Silveira, Andrea Habeck, Katherine Ames und Glenn Liu. Northeast Coastal and Barrier Network Geomorphological Monitoring Protocol: Part I—Ocean Shoreline Position, Version 2. National Park Service, Juni 2022. http://dx.doi.org/10.36967/2293713.

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Following a review of Vital Signs – indicators of ecosystem health – in the coastal parks of the Northeast Coastal and Barrier Network (NCBN), knowledge of shoreline change was ranked as the top variable for monitoring. Shoreline change is a basic element in the management of any coastal system because it contributes to the understanding of the functioning of the natural resources and to the administration of the cultural resources within the parks. Collection of information on the vectors of change relies on the establishment of a rigorous system of protocols to monitor elements of the coastal geomorphology that are guided by three basic principles: 1) all of the elements in the protocols are to be based on scientific principles; 2) the products of the monitoring must relate to issues of importance to park management; and 3) the application of the protocols must be capable of implementation at the local level within the NCBN. Changes in ocean shoreline position are recognized as interacting with many other elements of the Ocean Beach-Dune Ecosystem and are thus both driving and responding to the variety of natural and cultural factors active at the coast at a variety of temporal and spatial scales. The direction and magnitude of shoreline change can be monitored through the application of a protocol that tracks the spatial position of the neap-tide, high tide swash line under well-defined conditions of temporal sampling. Spring and fall surveys conducted in accordance with standard operating procedures will generate consistent and comparable shoreline position data sets that can be incorporated within a data matrix and subsequently analyzed for temporal and spatial variations. The Ocean Shoreline Position Monitoring Protocol will be applied to six parks in the NCBN: Assateague Island National Seashore, Cape Cod National Seashore, Fire Island National Seashore, Gateway National Recreation Area, George Washington Birthplace National Monument, and Sagamore Hill National Historic Site. Monitoring will be accomplished with a Global Positioning System (GPS )/ Global Navigation Satellite System (GNSS) unit capable of sub-meter horizontal accuracy that is usually mounted on an off-road vehicle and driven along the swash line. Under the guidance of a set of Standard Operating Procedures (SOPs) (Psuty et al., 2022), the monitoring will generate comparable data sets. The protocol will produce shoreline change metrics following the methodology of the Digital Shoreline Analysis System developed by the United States Geological Survey. Annual Data Summaries and Trend Reports will present and analyze the collected data sets. All collected data will undergo rigorous quality-assurance and quality-control procedures and will be archived at the offices of the NCBN. All monitoring products will be made available via the National Park Service’s Integrated Resource Management Applications Portal.

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Ptsuty, Norbert, Andrea Habeck und Christopher Menke. Shoreline position and coastal topographical change monitoring at Gateway National Recreation Area: 2017–2022 and 2007–2022 trend report. National Park Service, August 2023. http://dx.doi.org/10.36967/2299536.

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This trend report summarizes the results of shoreline position and coastal topography monitoring conducted at Gateway National Recreation Area (GATE) in 2007 through 2022. The data collection and report were completed by Rutgers University for the National Park Service, Northeast Coastal and Barrier Network, Inventory and Monitoring Program. Gateway National Recreation Area (GATE) is made up of three units: Sandy Hook Unit, Jamaica Bay Unit (Breezy Point, Plumb Beach), and Staten Island Unit (Great Kills, Miller Field, Fort Wadsworth). Shoreline position change results include a spatial depiction and statistical analysis of annual changes and 5-year changes in shoreline position as well as a longer-term trend analysis incorporating the full shoreline analysis of 2007 through 2022, all following the model presented in Psuty et al. (2022a). Coastal topography datasets include profiles of survey data collected annually, annual change metrics, net change metrics, as well as an alongshore depiction of net change, following the model presented in Psuty et al. (2012). This 2007–2022 trend report is the third GATE trend report to incorporate both shoreline position and coastal topographical change data. Due to the variable exposure to incident waves influencing inputs of sediment to the alongshore transport system in the various units from updrift sources, there was no common direction of shoreline displacement or profile change throughout the GATE park units. Engineering structures along the beach and adjacent to inlets altered the shoreline position and coastal topography responses in much of GATE. Generally, the largest vectors of shoreline position change and changes in coastal topography were produced by natural impacts such as storms and by anthropogenic impacts such as dredging or beach nourishment at an updrift location. All of the park units in GATE displayed the impacts of an absence of a source of sediment to counter the erosional impacts of the coastal storms. All of the units had a net inland displacement of shoreline position over the survey period, with some short term recovery associated with local pulses of sediment transfer. Sites with ocean exposure were more heavily eroded (Sandy Hook Oceanside, Breezy Point Oceanside, and Great Kills Oceanside), than sheltered sites (Sandy Hook Bayside, Breezy Point Bayside, Great Kills Bayside, Plumb Beach, Miller Field, Fort Wadsworth). A comparison of the shoreline position and profile data from this survey period with those from the previous trend reports highlights the impacts of Hurricane Sandy and the variety of recovery episodes throughout GATE (Psuty et al. 2018). The trend lines for the sites are often divided into pre-Hurricane Sandy (2012) and post- Hurricane Sandy because of the magnitude of the changes to the shoreline position (1D) and coastal topography (2D) metrics. There was considerable resilience in the system to re-establish the dune-beach system, although not in its original location. The continuing negative sediment budget and the increasing rate of relative sea-level rise will result in episodic inland migration of the dune-beach system and will necessitate a concomitant review of the allocation of space for visitor use and recreation.

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Psuty, Norbert, Chritopher Menke, Andrea Habeck und Jordan Raphael. Shoreline position monitoring at Fire Island National Seashore: 2017–2022 and 2007–2022 trend report. National Park Service, Juni 2023. http://dx.doi.org/10.36967/2299483.

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The Shoreline Position Trend Report summarizes the results of data collected in 2017 through 2022 along the ocean-facing shoreline of Fire Island National Seashore in addition to data collected in 2007 through 2017. Data sets include a spatial depiction of annual shoreline position as well as statistical analysis describing annual and 5-year, and 15-year changes, all following the model presented in Psuty et al. (2022b). Generally, the largest vectors of shoreline position change were produced by natural events such as storms and by human-induced cultural events such as beach nourishment or dredging. The most mobile portion of shoreline was at Democrat Point. At this site, the shoreline downdrift of the jetty was extending westward and was cut back due to dredging. The other portion of the shoreline with the largest vectors of change was in the Otis Pike Fire Island High Dune Wilderness. The NPS lands and community lands had different rates of change, with higher rates of erosion along the western portion of Fire Island. Beach nourishment episodes at Smith Point County Park and within community lands tempered the rates of inland displacement. This is the third trend report for Fire Island National Seashore produced for the Northeast Coastal and Barrier Network in accordance with the protocol for shoreline position monitoring. The first trend report covered from 2007 through 2012 (Psuty et al. 2017), the second trend report covered 2012 through 2017 (Psuty et al. 2018). Generally, the most recent trend is similar to the earlier reporting periods, with storminess and anthropogenic influences affecting shoreline position.

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Linde, Tamara. Relational Database Analysis of Dated Prehistoric Shorelines to Establish Sand Partitioning in Late Holocene Barriers and Beach Plains of the Columbia River Littoral Cell, Washington and Oregon, USA. Portland State University Library, Januar 2000. http://dx.doi.org/10.15760/etd.1696.

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