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Journal articles on the topic 'Lighthouses'

Author: Grafiati

Published: 4 June 2021

Last updated: 30 July 2024

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1

SELVAKUMARAN, PUTHENESWARAN, MOHAMMAD AIZAT BASIR, and AHMAD FAIZAL AHMAD FUAD. "LIGHTHOUSE MAINTENANCE MANAGEMENT MOBILE APPS SYSTEM." Universiti Malaysia Terengganu Journal of Undergraduate Research 4, no. 1 (July 25, 2022): 25–38. http://dx.doi.org/10.46754/umtjur.v4i1.258.

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Lighthouse is a tower with a strong light which gives navigators a continuous signal. There are about six lighthouses under the responsibility of the Central Region Marine Department of Malaysia. These lighthouses experienced severe construction defects and internal defects. Predictive maintenance, therefore, is performed manually to preserve the lighthouses. Lighthouse Maintenance Management Mobile Apps System (LMMS) is an Android mobile application developed for the Assistant Engineer, Technician, Marine Officer and Division Head of the Central Region Marine Department of Malaysia, responsible for the maintenance of lighthouses. Currently, the Central Region’s Marine Department of Malaysia lacks a computerised maintenance management system for the lighthouses, especially to manage maintenance schedules, work orders and maintenance-related records. In addition, the technician still uses a manual guide for troubleshooting tools and spare parts. Thus, LMMS was developed to solve these problems as a fully functioning mobile application by designing and developing a system for lighthouse maintenance management according to user needs. The methodology used to develop this mobile application is agile. The LMMS provides complete features for scheduling maintenance, orders for maintenance work, records related to maintenance, a list of tools and spare parts, and management of lighthouse information. The result shows that LMMS contributes to ease of use by using the mobile platform, quick and simple modules, systematic storage of historical records, efficient workload distribution, rapid reporting, updated list of tools and spare parts, and providing the latest information on the lighthouses. Deploying LMMS helps the Central Region Marine Department of Malaysia manage and maintain the lighthouses more effectively.

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Moira, Polyxeni, Paraskevi Kakaroucha, and Dimitrios Mylonopoulos. "Lighthouse Tourism: Suggestions for an Innovative and Sustainable Use of the Greek Traditional Lighthouses." International Journal of Hospitality and Tourism Studies 2, no. 2 (December 2021): 135–42. http://dx.doi.org/10.31559/ijhts2021.2.2.4.

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The Hellenic Lighthouse Network (HLN) is one of the most extensive and organized systems worldwide. Some of its most remarkable and historic lighthouses and beacons have been characterized as “Monuments of Modern Cultural Heritage” and are available to the public for small-scale, non-profit cultural uses. An increasing number of activities have taken place at or near lighthouses for the past decade, but lighthouse enthusiasts are convinced that such events could be organized on a more frequent and regular basis. Lighthouses are delicate albeit multifaceted structures that attract people seeking sophisticated and solitary experiences beyond the mass tourism realm. Since the practical significance of lighthouses is declining due to advances in navigation technology, their cultural worthiness is rediscovered and utilized in many tourism development plans across the world. This paper aims at suggesting an innovative and sustainable framework for the tourist valorization of Greek traditional lighthouses that is respectful of their inherent tangible and intangible values. The historical background explaining the cultural heritage Greek lighthouses represent, as well as national legislation restrictions regarding their management, are discussed and taken into account.

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Kakaroucha, Paraskevi. "Revisiting Greek lighthouses: A new perspective in cultural tourism." TIMS. Acta 15, no. 1 (2021): 37–45. http://dx.doi.org/10.5937/timsact15-32685.

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Greece owns one of the most extensive and best organized coastal and open sea lighting systems across the world. Some of the most breathtaking and historic lighthouses and beacons of the Hellenic Lighthouse Network have been characterized as "Monuments of Modern Cultural Heritage" and are available to visitors under certain circumstances. Greek lighthouses are austere albeit multi symbolic structures that enchant people seeking refined and reclusive experiences beyond the mass tourism spectrum. This paper aims at succinctly presenting the history of Greek lighthouses and examining the perspective of their valorization in cultural tourism, taking into account their legal framework, ownership status and inherent worthiness. Lighthouses represent tangible and intangible cultural values, which deserve to be rediscovered and communicated in ways that ensure sustainability and protection for lighthouse buildings and surrounding areas.

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Gomółka, Mikołaj. "GEOMETRIC FORMS IN LANDSCAPE – LIGHTHOUSES." Space&FORM 2022, no. 49 (January 30, 2022): 135–56. http://dx.doi.org/10.21005/pif.2022.49.d-01.

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The subject of this study is the potential of lighthouses located in the West Pomeranian Voivodeship as a leitmotif for the EuroVelo 10 bicycle trail. The study examined from which places on the trail lighthouses can be seen, marked places where panoramic views of the sea open, and suggested activities that could help improve the exposure of lighthouses from the perspective of the trail. It was found that 6 of the 7 surveyed objects are already visible, in some form, from the trail. It was concluded that lighthouse objects are already or could become valuable landmarks for EuroVelo 10 route, but it should be considered how to maintain continuity of visual experience on the sections between lighthouses.

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Azevedo, Antonio. "Lighthouse tourism: is there a “dark” side?" International Journal of Tourism Cities 4, no. 1 (March 5, 2018): 54–67. http://dx.doi.org/10.1108/ijtc-03-2017-0019.

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Purpose The lighthouse tourism, which has been flourishing in several coastal areas and port cities with waterfront, provides the ideal scenario for escape experiences. The purpose of this paper is to discuss the implicit (dark tourism) meanings, symbolisms and emotions evoked by lighthouses, in particular those related with recreational storm chasing, “land’s ends” pilgrimage and gaze upon dystopic places. Design/methodology/approach Using a qualitative approach such as filmography’s content analysis (filtered by IMDb database), photo elicitation and engagement with lighthouses promotion websites, this study searched for evidences supporting the classification of lighthouse tourism as a “lighter” dark tourism product. Findings The qualitative information gathered from different sources provided support for a taxonomy of motives for engaging (dark) lighthouse experiences: risk recreation; isolation and loneliness; pilgrimage; shipwrecking; memorials; dystopia; and gaze for “ice palaces.” Research limitations/implications This conceptual paper suggests a taxonomy for a systematic classification of dark lighthouse experiences and suggested some research propositions for further research. Practical implications Public decision makers, maritime authorities and tourism operators may acknowledge the theoretical and practical contributions provided by this paper and develop innovative escape experiences. Social implications The lighthouse tourism is an innovative and creative way to promote the sustainable development of waterfronts of port cities, giving more “energy” to these coastal and often peripheral areas. Originality/value The paper fills a gap in the literature that so far never had deeply explored the relationship between the lighthouses’ meanings/experiences and dark tourism and introduces the innovative concept of (dark) lighthouse tourism.

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Jakšić Stojanović, Anđela, Neven Šerić, and Mate Perišić. "MARKETING MANAGEMENT OF THE LIGHTHOUSE HERITAGE IN THE FUNCTION OF STRENGTHENING THE NATIONAL IDENTITY ON THE GLOBAL TOURISM MARKET: STONE LIGHTS (CROATIA) AND THE ART OF THE LIGHTHOUSES (MONTENEGRO)." ЗБОРНИК РАДОВА ЕКОНОМСКОГ ФАКУЛТЕТА У ИСТОЧНОМ САРАЈЕВУ 8, no. 19 (February 10, 2020): 63. http://dx.doi.org/10.7251/zrefis1919083j.

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The paper presents marketing projects of managing lighthouses as cultural and historical heritage in Croatia and Montenegro. Regardless of the advances in technology and changes of the functioning of modern navigational aids, lighthouses as cultural-historical monuments can get other value through the touristic market. The Croatian Stone Lights project is a commercialization of lighthouse buildings as a good practice example of promoting the maritime identity of the country, promoting national tourism offer and positioning the national tourism brand in the global tourism market. The Montenegrin project The Art of the Lighthouses is an original concept of creating destination icons by implementing art installations on lighthouses, harbours and coastal lights, which were used in this project for a purpose other than their primary one – being part of the navigation safety system. The aim of the paper is to present the results of these projects and their impact on the national identity. There are few tourist destinations in the world that offer accommodation in lighthouses, and there are still fewer examples of using port and coastal lights as recognizable destination icons. The paper develops through three basic sections: the introduction of both projects, descriptive analysis of tourist valorisation of lighthouses (marketing management of lighthouses as a part of cultural heritage and creation of destination icons), and finally research findings (focus of tourism expert groups – how to connect Croatian and Montenegrin projects on the marketing platform). The research results of this paper aim at linking Croatian and Montenegrin marketing experiences for the possible future cooperation in the field of commercialization of cultural and historical resources for touristic valorisation.

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Gardiner, Kelly. "Love on the Rocks: Lighthouses in Literature as Gendered Geographies of Love." Feminist Encounters: A Journal of Critical Studies in Culture and Politics 7, no. 2 (September 1, 2023): 31. http://dx.doi.org/10.20897/femenc/13559.

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The lighthouse has long been a familiar setting for stories of love, conflict, and epiphany. That isolated tower on the clifftop brims with symbolic possibility and sometimes cliché, positioning it as a site of gendered love, with popular fiction titles embedding the trope of the contained world revolving, like the lit lamp, around the male authority. But the lighthouse also has an explicit historical situatedness. The nineteenth century British lighthouses, in particular, were seen as outposts of empire. They are immovable inscriptions of the outlines of islands, the edges of continents – the imprint of colonisation on country. And they are often seen as male domains. In the popular imagination, a lighthouse is much more than its function. Does recent historical fiction perpetuate or subvert what we think we know about lighthouses and the people who populated them? How does it portray the officially gendered roles and intense relationships of women characters? How might historical novels set in settler colonies recognise the specific meaning of the lighthouse as a marker of imperial authority? And how do we read the lighthouse and its place in the imagination as a geography of gender and love?

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Jensen, Charlotte Riis, and Marianne Preus. "Faglige fyrtårne." Forskning i Pædagogers Profession og Uddannelse 4, no. 2 (October 19, 2020): 14. http://dx.doi.org/10.7146/fppu.v4i2.122505.

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ResuméArtiklens ærinde er at undersøge hvordan fænomenet fagligt fyrtårn, der blev introduceret i forbindelse med den nationale kompetenceudvikling på dagtilbudsområdet i 2018, konstrueres blandt ledere, medarbejdere og fyrtårne, samt at identificere de udfordringer, muligheder og dilemmaer der knytter sig hertil. Artiklen bygger på interviews med faglige fyrtårne, ledere og kolleger. Analysen viser, at de faglige fyrtårne konstrueres på mangfoldige måder gennem de positioner de forhandler sig frem til og bliver givet i det pågældende samarbejde. Artiklens metodologiske afsæt er inspireret af socialkonstruktionistisk erkendelsesteori, hvor virkeligheden anskues som et socialt konstrueret fænomen. I artiklen bliver fænomenet faglige fyrtårne sat i perspektiv i forhold til forståelsen af en intern og ekstern professionsforståelse og artiklen afsluttes med at fremhæve fire fremtrædende analytiske positioner; faglige fyrtårne som lyskastere, eksperter, facilitatorer og forandringskraft. AbstractVocational lighthouses - a growing phenomenon in daycare institutionsThe purpose of this article is to examine the ways in which the phenomenon vocational lighthouse, introduced in reference to the national competence initiatives in daycare in 2018, is constructed among leaders, employees and vocational lighthouses and to identify challenges, possibilities, and dilemmas related to the position. The article is based on several interviews from vocational lighthouses, leaders and colleagues. The analysis shows that the vocational lighthouses are constructed in specific and multifarious ways, closely connected to the context and the negotiated positions in which they participate in the local collaboration. Methodologically the article is inspired by social constructionist theory, whereby reality is viewed as a socially constructed phenomenon. The article places the vocational lighthouses in an understanding of an internal and external profession, and in conclusion, the article highlights four salient positions: vocational lighthouses as light-casters, experts, facilitators and change enforcers.

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Dassanayake, Darshana T., Alessandro Antonini, Athanasios Pappas, Alison Raby, James Mark William Brownjohn, and Dina D’Ayala. "Influence of the Spatial Pressure Distribution of Breaking Wave Loading on the Dynamic Response of Wolf Rock Lighthouse." Journal of Marine Science and Engineering 9, no. 1 (January 6, 2021): 55. http://dx.doi.org/10.3390/jmse9010055.

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The survivability analysis of offshore rock lighthouses requires several assumptions of the pressure distribution due to the breaking wave loading (Raby et al. (2019), Antonini et al. (2019). Due to the peculiar bathymetries and topographies of rock pinnacles, there is no dedicated formula to properly quantify the loads induced by the breaking waves on offshore rock lighthouses. Wienke’s formula (Wienke and Oumeraci (2005) was used in this study to estimate the loads, even though it was not derived for breaking waves on offshore rock lighthouses, but rather for the breaking wave loading on offshore monopiles. However, a thorough sensitivity analysis of the effects of the assumed pressure distribution has never been performed. In this paper, by means of the Wolf Rock lighthouse distinct element model, we quantified the influence of the pressure distributions on the dynamic response of the lighthouse structure. Different pressure distributions were tested, while keeping the initial wave impact area and pressure integrated force unchanged, in order to quantify the effect of different pressure distribution patterns. The pressure distributions considered in this paper showed subtle differences in the overall dynamic structure responses; however, pressure distribution #3, based on published experimental data such as Tanimoto et al. (1986) and Zhou et al. (1991) gave the largest displacements. This scenario has a triangular pressure distribution with a peak at the centroid of the impact area, which then linearly decreases to zero at the top and bottom boundaries of the impact area. The azimuthal horizontal distribution was adopted from Wienke and Oumeraci’s work (2005). The main findings of this study will be of interest not only for the assessment of rock lighthouses but also for all the cylindrical structures built on rock pinnacles or rocky coastlines (with steep foreshore slopes) and exposed to harsh breaking wave loading.

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Denarié, Emmanuel, and Nicolas Fady. "Structural response of French offshore heritage lighthouses." Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 377, no. 2155 (August 19, 2019): 20190011. http://dx.doi.org/10.1098/rsta.2019.0011.

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Offshore lighthouses are a remarkable historical heritage often over 100 years old. The management of their ageing is a challenge and requires a thorough understanding of their structural response under wave loading. With this aim in view, the dynamic response of the ‘La Jument’ lighthouse in the French Iroise Sea was characterized in situ , with accelerometers, under the action of a breaking wave, during a winter storm in January 2018. Detailed exploitation of the measurement data complemented by photographic documentation of the same wave event helped determine eigenfrequencies and damping coefficients of the structure as well as the likely orientation of the wave and the position of its crest with respect to the lighthouse tower. The results of these analyses were put into perspective with those of literature and more specifically from three-dimensional finite element modelling of the structural response of the lighthouse under the action effects of breaking waves. This article is part of the theme issue ‘Environmental loading of heritage structures’.

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Amari, Karima, Amina Abdessemed Foufa, Mustapha Cheikh Zouaoui, and Giuseppina Uva. "Seismic Vulnerability of Masonry Lighthouses: A Study of the Bengut Lighthouse, Dellys, Boumerdès, Algeria." Buildings 10, no. 12 (December 18, 2020): 247. http://dx.doi.org/10.3390/buildings10120247.

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In Algeria, lighthouses are an essential element of the maritime landscape and constitute a substantial part of the local historical and cultural heritage, marked by a great variety of styles, architecture, geometrical forms, and materials. The study presented falls into the general context of pre- and post-seismic conservation of Algerian lighthouses, since all these stone masonry buildings are situated in areas characterized by a medium–high seismic hazard. In the paper, a relevant example has been analyzed: the Bengut Lighthouse, which has been classified as “National Heritage” by the Algerian Ministry of Culture and has been severely damaged by the Boumerdès that occurred on 21 May 2003. After an overview of historical lighthouses in Algeria and their morpho-typological classification, the case study of the lighthouse at Cap Bengut is presented, showing the results of a detailed survey of the geometric and constructive features and of the actual cracking and damage pattern. First, based on the critical analysis of this knowledge framework, a preliminary qualitative evaluation of the seismic vulnerability has been made, analyzing and classifying the set of local and global failure modes coherently with the observed structural pathologies and damages. Then, numerical modeling has been implemented in TreMuri computer code, performing a set of pushover analyses. This allowed the investigation of the criticalities in the response of the building to seismic actions, characterization of the dynamic behavior, and comparison with the actual observed damages, which are discussed, providing an interpretation of the global and local failure modes. Based on the results of the visual assessment and numerical analysis, guidelines for the retrofitting intervention have been proposed, by considering, on the one hand, the objective of effectively mitigating the elements of vulnerability pointed out by the results and, on the other, the main principles of conservation and restoration. The presented study and its results, in perspective, are intended to provide a basis for developing risk and vulnerability analysis of typological classes of historical lighthouses at a large scale.

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Domede, Nathalie, Luisa Pena, and Nicolas Fady. "Historical review of lighthouse design under wind load: the Ile Vierge lighthouse." Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 377, no. 2155 (August 19, 2019): 20190167. http://dx.doi.org/10.1098/rsta.2019.0167.

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The purpose of the study presented here is to describe the design method used by engineers in the nineteenth and early twentieth centuries to size lighthouse structures and to compare them with current European standards. The historical information presented here is derived from two sources in particular: the archives of the Ile Vierge lighthouse, which was built at the northern tip of Brittany between 1897 and 1902, and the scientific journals, books and courses available at that time. Firstly, the article describes the structure of the Ile Vierge lighthouse, which is the tallest stone lighthouse in Europe. The wind load acting on lighthouses and chimneys was formulated in France by L. Fresnel in 1825. Fresnel's work is compared to W. J. M. Rankine's theory used in the UK. The safety coefficients applied with respect to the stability of the towers in France and the UK in the nineteenth-century are compared. On the occasion of the construction of the Ile Vierge lighthouse, the masonry strength under wind loads led to a discussion among engineers of the French lighthouse authorities. They also worried about the risk of excessive oscillations of the towers, which could cause a dysfunction of the lamp. Thirdly, the standard wind action defined in Eurocode 1 is applied to the Ile Vierge lighthouse. Calculation results are given. A comparative analysis of the ancient and modern methods is presented. Overall, this historical research shows that the designers of lighthouses in the nineteenth-century had the same objectives as today: to build strong, durable structures in which deformations under loads are compatible with serviceability. This article is part of the theme issue ‘Environmental loading of heritage structures’.

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Filipot, J. F., P. Guimaraes, F. Leckler, J. Hortsmann, R. Carrasco, E. Leroy, N. Fady, et al. "La Jument lighthouse: a real-scale laboratory for the study of giant waves and their loading on marine structures." Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 377, no. 2155 (August 19, 2019): 20190008. http://dx.doi.org/10.1098/rsta.2019.0008.

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This paper presents results from an experiment designed to improve the understanding of the relationship between extreme breaking waves and their mechanical loading on heritage offshore lighthouses. The experiment, conducted at La Jument, an iconic French offshore lighthouse, featured several records of wave, current and structure accelerations acquired during severe storm conditions, with individual waves as high as 24 m. Data analysis focuses on a storm event marked by a strong peak in the horizontal accelerations measured inside La Jument. Thanks to stereo-video wave measurements synchronized to the acceleration record we were able to identify and describe the breaking wave responsible for this intense loading. Our observations suggest that this giant wave (19 m high) had a crest elevation high enough to directly hit the lighthouse tower, above the substructure. This paper reveals the potential for conducting ambitious field experiments from offshore lighthouses in order to collect valuable storm waves and wave loading observations. This offers a possible second service life for these heritage structures as in situ laboratories dedicated to the study of the coastal hydrodynamics and its interaction with marine structures. This article is part of the theme issue ‘Environmental loading of heritage structures’.

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Raby, A. C., A. Antonini, A. Pappas, D. T. Dassanayake, J. M. W. Brownjohn, and D. D'Ayala. "Wolf Rock lighthouse: past developments and future survivability under wave loading." Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 377, no. 2155 (August 19, 2019): 20190027. http://dx.doi.org/10.1098/rsta.2019.0027.

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Lighthouses situated on exposed rocky outcrops warn mariners of the dangers that lurk beneath the waves. They were first constructed when approaches to wave loading and structural response were relatively unsophisticated, essentially learning from previous failures. Here, we chart the evolution of lighthouses on the Wolf Rock, situated between Land's End and the Isles of Scilly in the UK. The first empirical approaches are described, followed by design aspects of the present tower, informed by innovations developed on other rocky outcrops. We focus on a particular development associated with the automation of lighthouses: the helideck platform. The design concept is described and the structure then scrutinized for future survivability, using the latest structural modelling techniques of the entire lighthouse and helideck. Model validation data were obtained through a complex logistical field operation and experimental modal analysis. Extreme wave loading for the model required the identification of the 250-year return period wave using a Bayesian method with informative prior distributions, for two different scenarios (2017 and 2067). The structural models predict responses of the helideck to wave loading which is characterized by differential displacements of 0.093 m (2017) and 0.115 m (2067) with associated high tension forces and plastic strain. This article is part of the theme issue ‘Environmental loading of heritage structures’.

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Stanivuk, Tatjana, Ivan Juričević, and Jelena Žanić Mikuličić. "Maritime Lighthouses in the Republic of Croatia – Safety of Navigation and/or Tourist Attraction." Transactions on Maritime Science 7, no. 1 (April 20, 2018): 33–40. http://dx.doi.org/10.7225/toms.v07.n01.003.

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The lighthouses are the most important navigation aids enabling safe navigation. Today, in the Republic of Croatia there are 46 maritime lighthouses in function. All the lighthouses are automated and controlled through the remote control system. In the Republic of Croatia, Plovput company is responsible for their maintenance. In recent years maritime lighthouses have increasingly been used for tourism. Still, their primary role has not been forgotten. The proof of this is the incorporation of the Automatic Identification System (AIS) in the lighthouses, raising the safety of navigation to a higher level. Interesting has been the market research in recent years, since there has been an increasing demand for lighthouses as tourist facilities. This is of great importance, as it provides additional financial resources for their maintenance. Unfortunately, the statistical data on renting and the availability of accommodation capacities indicates that there is space for improvement.

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Nureev, R. "At the Origins of Neo-institutionalism: Ronald Coase." Review of Business and Economics Studies 8, no. 4 (March 2, 2021): 6–18. http://dx.doi.org/10.26794/2308-944x-2020-8-4-6-18.

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The article contains the analysis of the views of the Nobel laureate in economics Ronald Coase (1910–2013) as the founder of neo-institutionalism. it provides a comparative description of the “old” and “new” institutionalism and shows the relationship and difference between neoclassicism and neo‑institutionalism. I analysed in detail the most famous articles of Coase and, first of all, “The Nature of the Firm” and “The Problem of Social Costs”. in these works, Coase showed that in the absence of transaction costs there is no economic novelty for the existence of a firm, in the second — that in the lack of transaction costs the legal system does not matter. With an exact specification of property rights, the market economy itself is able to cope with environmental pollution without resorting to government intervention, adjusting taxes and subsidies. The article shows the history of lighthouses in economic theory. Usually, the lighthouse is listed as a purely public good. Ronald Coase shows that even a public good — like lighthouses —was paid for by shipowners. The last part is devoted to essays on economics and economists.

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Gu, Wenbin, Zhenxiong Wang, Jianqing Liu, Jinglin Xu, Xin Liu, and Tao Cao. "Water-Depth-Based Prediction Formula for the Blasting Vibration Velocity of Lighthouse Caused by Underwater Drilling Blasting." Shock and Vibration 2017 (2017): 1–9. http://dx.doi.org/10.1155/2017/7340845.

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Lighthouses are the most important hydraulic structures that should be protected during underwater drilling blasting. Thus, the effect of blasting vibration on lighthouse should be studied. On the basis of the dimensional analysis, we deduced a revised formula for water depth based on Sodev’s empirical formula and established the linear fitting model. During the underwater reef project in the main channel of Shipu Harbor in the Ningbo–Zhoushan Port, the blasting vibration data of the lighthouse near the underwater blasting area were monitored. The undetermined coefficient, resolvable coefficient, and F value of the two formulas were then obtained. The comparison of the data obtained from the two formulas showed that they can effectively predict the blasting vibration on the lighthouse. The correction formula that considers water depth can obviously reduce prediction errors and accurately predict blasting vibration.

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Stilgoe, John R., and T. Lindsay Baker. "Lighthouses of Texas." Western Historical Quarterly 23, no. 4 (November 1992): 542. http://dx.doi.org/10.2307/970343.

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Lynch, Timothy G. "Book Review: Lighthouses." International Journal of Maritime History 19, no. 1 (June 2007): 383–84. http://dx.doi.org/10.1177/084387140701900142.

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Tully, R. Brent. "Light on Dark Matter." Publications of the Astronomical Society of Australia 21, no. 4 (2004): 408–11. http://dx.doi.org/10.1071/as04056.

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AbstractGalaxies are lighthouses that sit atop peaks in the density field. There is good observational evidence that these lighthouses do not provide a uniform description of the distribution of dark matter.

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TAYLOR, JAMES. "PRIVATE PROPERTY, PUBLIC INTEREST, AND THE ROLE OF THE STATE IN NINETEENTH-CENTURY BRITAIN: THE CASE OF THE LIGHTHOUSES." Historical Journal 44, no. 3 (September 2001): 749–71. http://dx.doi.org/10.1017/s0018246x01001832.

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Until 1836, many of England's lighthouses were privately owned. The owners levied tolls on all merchant shipping which made use of the lights, and in many cases grew rich from the proceeds. After 1815 these profits became increasingly contentious, and, under pressure from shipowners, merchants, and the radical MP Joseph Hume, the whig government abolished private ownership of lighthouses and made Trinity House the sole lighthouse authority for England. The choice of Trinity House as the central administration from a range of alternatives made a UK-wide authority impossible, however, due to the unwillingness of Irish and Scottish MPs to see their national boards replaced by an ‘inferior’ English one. The reform process sheds light on contemporary perceptions of the relationship between private property and public interest and suggests that alongside the process of post-war retrenchment, the state was acquiring a new role as guardian of the public interest, often positioning itself against certain forms of private property. Behind the ‘old corruption’ rhetoric which characterized the demand for reform lay the conviction that certain resources should be excluded from the realm of private property by the state, and that private profit made at the expense of the public interest was morally wrong.

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Byrne, Alex. "The history of lighthouses." Australian Library Journal 64, no. 3 (May 29, 2015): 209–16. http://dx.doi.org/10.1080/00049670.2015.1041214.

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Nikitina, A. P., and A. M. Gauck. "ORGANIZATION OF PILOT SERVICE IN FINLAND AT THE BEGINNING OF THE XIX CENTURY." Scientific Notes of V. I. Vernadsky Crimean Federal University. Juridical science 6 (72), no. 2 (2020): 51–59. http://dx.doi.org/10.37279/2413-1733-2020-6-2-51-59.

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The article States that the organization of pilots in Finland after its accession to the Russian Empire received a new legal basis, but taking into account the rich experience available. On may 17, 1812, the Imperial regulations «on the establishment of lighthouses and pilots in Finland»were signed. This document is also interesting because it does not fit into the traditional model for Russia – the creation of pilot societies at specific ports. The regulations of 1812 assumed a single pilot organization on the entire territory of the VKF and, at the same time, established the same rights and duties of pilots. It consists of 77 paragraphs, combined into five articles: «The duties of mariners regarding the use of the pilot»; «About the patch as total fees for the school pilots, and lighthouses, and special fees received by the pilot»; «How to charge a pilot money and the amount for the establishment of lighthouses and pilots, with an indication as to conduct of these control registers»; «About the duties of pilots»; «A subject of judicial place and proceedings in cases relating to lighthouses and pilots». This regulation was issued simultaneously with the regulations on official duties and savings in pilotage and on the construction of lighthouses and tanks in Finland, which ended the legal organization of pilots in this country during this period.

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Khosroshahi, Siamak Farajzadeh, Marinella Masina, Alessandro Antonini, Edward Ransley, James Mark William Brownjohn, Peter Dobson, and Dina D’Ayala. "A Multidisciplinary Computational Framework for Topology Optimisation of Offshore Helidecks." Journal of Marine Science and Engineering 10, no. 9 (August 24, 2022): 1180. http://dx.doi.org/10.3390/jmse10091180.

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Maintaining offshore steel structures is challenging and not environmentally friendly due to the frequent visits for inspection and repairs. Some offshore lighthouses are equipped with carbon steel helidecks fixed onto their lantern galleries in the 1970s to provide easy and safe access to maintenance staff and inspectors. Even though the helidecks supporting structures have maintained their integrity and are still functional in the offshore harsh environmental conditions, their inspection and maintenance remains a challenge due to the need of frequent visits which requires flying to the location of the lighthouse to bring the maintenance staff and equipment. We have developed a multidisciplinary computational framework to design new generation of aluminium helidecks for offshore lighthouses. We calculated the wind speed at the location of the Bishop Rock lighthouse based on the meteorological data, and the load distribution on the helideck due to such a wind condition, using computational fluid dynamic analysis. Then, we used the calculated wind load with other mechanical loads in the events of normal and emergency landings of a helicopter on this structure to find the best design configuration for this helideck. We generated a design space for different configurations of a beam structure and carried out, static, transient and buckling analysis to assess each case using finite element method. The selection criterion was set to find the structure with the minimum volume fraction and compliance while keeping the stress below the allowable stress. We found the structure with eight vertical and circumferential sections featuring two rows of diagonal bracing with one at the base and the other one at the third section from the base of the helideck was the optimum design for the considered loading in this work. This framework can be adopted for the design and optimisation of other offshore structures by other researchers and designers.

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Antonini, Alessandro, Alison Raby, Piermodesto Caputo, James Brownjohn, Athanasios Papas, and Dina D'Ayala. "SURVIVABILITY ASSESSMENT OF FASTNET LIGHTHOUSE." Coastal Engineering Proceedings, no. 36 (December 30, 2018): 46. http://dx.doi.org/10.9753/icce.v36.structures.46.

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Historic rock-mounted lighthouses play a vital role in the safe navigation around perilous reefs. However their longevity is threatened by the battering of waves. Virtual navigational aids such as GPS are fallible, and reliance on them can be disastrous. Mariners will therefore continue to need the physical visual aids of these strategic structures. After a site-specific extreme wave characterisation, the study evaluates the dynamic response of Fastnet Lighthouse under the action of different wave loadings through a validated FEM numerical model. The aim of the study is to provide a comprehensive survivability assessment methodology for this type of structures.

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Raby, Alison, Geoffrey N. Bullock, Davide Banfi, Yaqub Rafiq, and Federico Cali. "Wave loading on rock lighthouses." Proceedings of the Institution of Civil Engineers - Maritime Engineering 169, no. 1 (March 2016): 15–28. http://dx.doi.org/10.1680/jmaen.15.00002.

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MEINERTZHAGEN, Colonel R. "XXXIV.-Birds at Egyptian Lighthouses." Ibis 66, no. 4 (April 3, 2008): 643–44. http://dx.doi.org/10.1111/j.1474-919x.1924.tb05348.x.

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Marquis-Kyle, P. "Queensland’s Timber and Iron Lighthouses." Australian Journal of Multi-Disciplinary Engineering 8, no. 1 (January 2010): 89–96. http://dx.doi.org/10.1080/14488388.2010.11464828.

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Wheeler, Jonathan A., Antonin Borot, Sylvain Monchocé, Henri Vincenti, Aurélien Ricci, Arnaud Malvache, Rodrigo Lopez-Martens, and Fabien Quéré. "Attosecond lighthouses from plasma mirrors." Nature Photonics 6, no. 12 (November 25, 2012): 829–33. http://dx.doi.org/10.1038/nphoton.2012.284.

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Block, Walter, and William Barnett. "Coase and Bertrand on lighthouses." Public Choice 140, no. 1-2 (October 14, 2008): 1–13. http://dx.doi.org/10.1007/s11127-008-9375-x.

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Leba, Jr., Theodore. "STRUCTURAL ASPECTS OF LIGHTHOUSE DESIGN." Coastal Engineering Proceedings 1, no. 2 (January 1, 2000): 26. http://dx.doi.org/10.9753/icce.v2.26.

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The purpose of this paper is to provide an acquaintance with lighthouses, the types of structures which have been erected, the reasons for their shape and form, and the basis for design. It will be revealed as the treatise proceeds, that the technique of design of lighthouses has improved with the increase in knowledge of the forces that are acting and the behavior of materials while subjected to stresses and strains of these forces.

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Jones, Michael A., Rabab Abi-Hanna, and Kenneth Krott. "Activities for Students: Applying Secant Lines and Tangent Lines for the Optimal Placement of Range Lights." Mathematics Teacher 101, no. 9 (May 2008): 682–89. http://dx.doi.org/10.5951/mt.101.9.0682.

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Range lights are pairs of lighthouses on bays, rivers, and other waterways that guide boats safely along a linear path, called the range line. Because lighthouses are expensive to build, operate, and maintain, it is reasonable to minimize the number of lighthouses in use by ensuring that the range lines are as long as possible. The portion of a river that is deep enough for boat traffic is referred to as the river's channel. The channel is dredged often to ensure an appropriate depth for safe passage of boats. To keep a boat in a channel bounded by the curves y = f(x) and y = f(x) + h, the optimally long range lines are the secant or tangent lines to the two curves. For example, a boat traveling from left to right on the river shown in figure 1 should stay in the shaded channel.

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Kalyagin, Grigoriy. "The lighthouse after Coase: Alternative ways to provide goods and func-tions of state." Moscow University Economics Bulletin, no. 2 (April 30, 2021): 247–64. http://dx.doi.org/10.38050/013001052021211.

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This article attempts to answer the question of what determines the choice of the method to provide one or another public good. Why is one good given as a private one, another one as a club good, the third one as a purely public good, and the fourth one as a mix of different forms. In fact, this question includes the question of what the state should (and should not) do. The main part of the article presents a review of the discussion concerning the good, which played a special role in economic theory - the lighthouses. Although the classics of political economy of XIX - early XX centuries considered them as a striking example of pure public goods, the famous article by R. Coase [Coase, 1974] concludes that the services of lighthouses in England and Wales were not funded from general taxes, that is, they were not provided as public goods until the second third of XIX century. Further development of this discussion, which is still incomplete and relevant, leads to the understanding that lighthouse services are provided in different countries and/ or at different times as goods of various types. The same applies to almost any other goods. The concrete way of providing this good depends not only on the country and time, but also on how to estimate the specific offenses it provides. We conclude that there exist no private, public, etc. benefits by themselves, and a socially effective way of delivering benefits depends on the technologies and institutions available in the society.

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Raby, Alison, Geoffrey N. Bullock, Davide Banfi, Yaqub Rafiq, and Federico Cali. "Erratum: Wave loading on rock lighthouses." Proceedings of the Institution of Civil Engineers - Maritime Engineering 169, no. 3 (September 2016): 140. http://dx.doi.org/10.1680/jmaen.2016.169.3.140.

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Weeks, George, and John L. Wagner. "Michigan Lighthouses: An Aerial Photographic Perspective." Michigan Historical Review 20, no. 1 (1994): 140. http://dx.doi.org/10.2307/20173452.

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Dasser, Felix. "President’s Message Of Lighthouses and Rocks." ASA Bulletin 38, Issue 1 (April 1, 2020): 1–2. http://dx.doi.org/10.54648/asab2020001.

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Barnett, William, and Walter Block. "Coase and Van Zandt on Lighthouses." Public Finance Review 35, no. 6 (November 2007): 710–33. http://dx.doi.org/10.1177/1091142107302182.

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ROBERTS, OWAIN T. P. "Lighthouses of Walesï¿½Shipwrecks of Ceredigion." International Journal of Nautical Archaeology 39, no. 1 (March 2010): 231–32. http://dx.doi.org/10.1111/j.1095-9270.2009.00260_29.x.

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39

De Bièvre, Paul. "Definitions of metrological concepts are lighthouses." Accreditation and Quality Assurance 15, no. 12 (November 4, 2010): 657–58. http://dx.doi.org/10.1007/s00769-010-0726-1.

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Saunders, David R. "Dimming the Seas around Borneo: Contesting Island Sovereignty and Lighthouse Administration amidst the End of Empire, 1946–1948." TRaNS: Trans -Regional and -National Studies of Southeast Asia 7, no. 2 (April 15, 2019): 181–207. http://dx.doi.org/10.1017/trn.2019.5.

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AbstractThis article examines issues of island sovereignty and lighthouse administration in maritime Southeast Asia in the context of post-war decolonisation. It does so by demonstrating how lax and complacent colonial governance in British North Borneo led to the construction of a lighthouse on contested island territory. By the late 1940s these islands became the focal point of a regional dispute between the Philippines, North Borneo's colonial government, and the United Kingdom. While lighthouses were, in the colonial mind-set, deemed essential for illuminating the coasts and projecting order onto the seas, the Philippine government sought to renege on colonial-era obligations and wrest a new sense of post-colonial legitimacy.The legacy of the Turtle Island transfer was therefore significant in recalibrating imperial lighting in the Sulu Sea, as well as giving rise to a Philippine post-colonial authority that was characterised by an acknowledgement of indigenous Suluk maritime heritage. Similarly, it reflected an extension of previous instances of transnational disputes in the region, where the island shoal had been simultaneously claimed and administered by the United States, the United Kingdom and the historical Sulu Sultanate. While the lighthouse remained destroyed, and the seas dimmed, by mid-1948 the Turtle Islands had attained a new post-colonial and transnational status. Utilising a range of archival sources, memoirs and published material, this article sheds light on an under-examined period of Southeast Asian history.

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Sánchez-Beitia, Santiago, Daniel Luengas-carreño, and Maite Crespo de Antonio. "Procedure to Identify the Technological and Constructive Values in Historical Lighthouses: Application to the Lighthouses of Spain." Journal of Architectural Engineering 26, no. 3 (September 2020): 04020031. http://dx.doi.org/10.1061/(asce)ae.1943-5568.0000428.

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Nalder, Guinevere Vivianne. "The Scottish contribution to New Zealand's lighthouses." Proceedings of the Institution of Civil Engineers - Engineering History and Heritage 166, no. 2 (May 2013): 73–82. http://dx.doi.org/10.1680/ehah.12.00001.

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43

Fraser, R. J. "Hydrographic Note: Lake Superior Surveys and Lighthouses." GEOMATICA 67, no. 1 (March 2013): 55–57. http://dx.doi.org/10.5623/cig2013-007.

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44

Sandurska, O. "Implementation of innovative technologies into lighthouses construction." History of science and technology 7, no. 10 (March 30, 2017): 77–85. http://dx.doi.org/10.32703/2415-7422-2017-7-10-77-85.

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Brownjohn, James Mark William, Alison Raby, James Bassitt, Alessandro Antonini, Emma Hudson, and Peter Dobson. "Experimental modal analysis of British rock lighthouses." Marine Structures 62 (November 2018): 1–22. http://dx.doi.org/10.1016/j.marstruc.2018.07.001.

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46

Dunn, Richard. "Northern lights: the age of Scottish lighthouses." Journal for Maritime Research 13, no. 2 (November 2011): 174–75. http://dx.doi.org/10.1080/21533369.2011.622876.

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Agarwal, Shivangi, Yashwanth R. Sudhini, Onur K. Polat, Jochen Reiser, and Mehmet M. Altintas. "Renal cell markers: lighthouses for managing renal diseases." American Journal of Physiology-Renal Physiology 321, no. 6 (December 1, 2021): F715—F739. http://dx.doi.org/10.1152/ajprenal.00182.2021.

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Kidneys, one of the vital organs in our body, are responsible for maintaining whole body homeostasis. The complexity of renal function (e.g., filtration, reabsorption, fluid and electrolyte regulation, and urine production) demands diversity not only at the level of cell types but also in their overall distribution and structural framework within the kidney. To gain an in depth molecular-level understanding of the renal system, it is imperative to discern the components of kidney and the types of cells residing in each of the subregions. Recent developments in labeling, tracing, and imaging techniques have enabled us to mark, monitor, and identify these cells in vivo with high efficiency in a minimally invasive manner. In this review, we summarize different cell types, specific markers that are uniquely associated with those cell types, and their distribution in the kidney, which altogether make kidneys so special and different. Cellular sorting based on the presence of certain proteins on the cell surface allowed for the assignment of multiple markers for each cell type. However, different studies using different techniques have found contradictions in cell type-specific markers. Thus, the term “cell marker” might be imprecise and suboptimal, leading to uncertainty when interpreting the data. Therefore, we strongly believe that there is an unmet need to define the best cell markers for a cell type. Although the compendium of renal-selective marker proteins presented in this review is a resource that may be useful to researchers, we acknowledge that the list may not be necessarily exhaustive.

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Holmes, David R., Patricia Hodgson, and Mandeep Singh. "Guidelines, Lighthouses, and a Toe in the Water." Circulation 112, no. 18 (November 2005): 2754–55. http://dx.doi.org/10.1161/circulationaha.105.577825.

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49

Petkus, Matthew M., Melissa McLauchlin, Anil K. Vuppu, Lynnette Rios, Antonio A. Garcia, and Mark A. Hayes. "Detection of FITC-cortisol via Modulated Supraparticle Lighthouses." Analytical Chemistry 78, no. 5 (March 2006): 1405–11. http://dx.doi.org/10.1021/ac0512204.

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Flores, L. B., M. C. Dussi, M. Barrionuevo, and K. Zon. "Evaluation of fruit orchards as potential agroecological lighthouses." Acta Horticulturae, no. 1355 (December 2022): 335–44. http://dx.doi.org/10.17660/actahortic.2022.1355.42.

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