Image‐Based Modelling from Unmanned Aerial Vehicle (UAV) Photogrammetry: An Effective,Low‐Cost Tool for Archaeological Applications

The recording and 3D modelling of complex archaeological sites is usually associated with high capital and logistical costs, because the data acquisition must be performed by specialists using expensive surveying sensors (i.e., terrestrial laser scanners, robotic total stations and/or ground‐penetrating radar). This paper presents a novel, low‐cost, user‐friendly photogrammetric tool for generating high‐resolution and scaled 3D models of complex sites. The results obtained with unmanned aerial vehicle (UAV) photogrammetry of an archaeological site indicate that this approach is semi‐automatic, inexpensive and effective, and that it guarantees quality.     

3D Digital Documentation,Assessment, and Damage Quantifi cation of the Al-Deir Monument in the Ancient City of Petra,Jordan

Abstract

The rock-cut monuments in the ancient city of Petra in Jordan form an outstanding tangible heritage site. Unfortunately, this important part of the world's cultural heritage is gradually being diminished due to weathering and erosion problems. In this research, an approach combining in situ surveying and laboratory analysis is applied in order to provide sufficient and comprehensive data regarding the documentation and evaluation of the status of the Al-Deir monument in Petra. The purpose was not only to quantify the damage, but also to make a first step towards creating a 3D monitoring programme of the deterioration rate. The approach presents a correlation study between the environmental condition and the surface weathering damage, using 2D mapping of the weathering form and accurate 3D realistic modelling from laser scanning and digital photogrammetry. The 2D mapping provides detailed weathering damage information for the entire stone surface of the monument, whereas the 3D modelling provides information on the spatial distribution and texture of the damage. Additionally, the 3D digital model can provide reference data as an exact guide to the restoration needed. In order to support the visual presentation of 3D surface details, a hybrid approach combining data from laser scanning and digital imagery was developed.

Studies of stone texture and spatial distribution of soluble salts were carried out at the monument in order to explain the mechanism of the weathering problem. Relative humidity, temperature, and wind are the main factors in the salt damage process. In order to study the effect of these conditions in the salt crystallization process a series of fieldwork investigations and laboratory work were undertaken. The results show that visible zoning of weathering damage is correlated to different salt concentrations.     

‘Unity,stability, continuity’: heritage and the renovation of Franco’s dictatorship in Spain, 1957–1969

Spain between 1957 and 1969 – the period in the history of the dictatorial regime of General Francisco Franco known as desarrollista (development‐guided) – presents a peculiar case of a state‐driven heritage industry. The present article examines the desarrollista policy aimed at creating and coordinating heritage tourism, focusing on periodical publications, official speeches, films and promotional materials. It looks at late‐Francoist heritage as a vehicle for achieving, simultaneously, an ideological and an economic effect. Economically, heritage was conceived as a tool for diversifying and individualising Spain’s tourism product in the Mediterranean market, and above all, for confronting the uneven territorial and seasonal distribution of ‘sun and beach tourism’. At the same time, ideologically, the models and uses of heritage examined here served the regime’s interest in securing the country’s territorial unity, maintaining the high profile of the Catholic Church, and re‐legitimising the Civil War (1936–1939) which had brought Franco to power.     

Whose Heritage? Immigration and Place Narratives in Denmark

Questions of heritage, of ownership of discourses of past and present are important elements in present‐day struggles over identity and belonging, not least those related to immigration policy. None the less, the perspective of immigrant groups is often overlooked when decisions are taken concerning preservation of heritage sites. Since the late 1960s the area around Frederiksværk, Northern Zealand has become the home of large numbers of immigrants, notably from ex‐Yugoslavia, who were brought to Denmark to serve as rank and file in the then booming steel industry. In spite of their undeniable contribution to the development of the town, the cultural heritage of this relatively large immigrant population takes up very little space in the official branding of the town as a key site in the industrial history of Denmark. This article discusses the various place narratives in relation to immigrants in the case of Frederiksværk. We take as our point of departure the Danish notion of kulturmiljø (cultural milieu), which is more material than the notion of heritage. This discussion focuses on the ability of kulturmiljø to capture and incorporate the multiple and often contradictory cultural practices of different groups of actors and not the least to transgress the often rather static and confined view on local history, which often results from the heritage perspective. We analyze how different actors, notably the Yugoslavs, are represented in the narratives of the town, and how Yugoslav immigrants themselves perceive their position in Frederiksværk. Furthermore, we attempt to register some of the imprints made by immigrants on the material and cultural fabric, possibly useful to include in a kulturmiljø of Frederiksværk. The conclusion assesses the potentials and limitations of the kulturmiljø approach with regard to making visible the place narratives of immigrants.     

Heritage and gastronomy: The pursuits of the ‘new tourist’

Abstract

The main thrust of this text is to acknowledge the relationship between gastronomy and heritage as a key motivator for travel. Gastronomy, as a central part of culture, and its influence on other aspects of culture has received scant recognition from the academic world generated by tourism. Gastronomy, heritage and tourism are old friends; the relationship between them is mutually parasitic. Gastronomy's role as a cultural force in developing and sustaining heritage tourism is addressed, as is its increasing role as a catalyst in enhancing the quality of the tourist experience. Today's consumers’ search for an individual lifestyle is changing tourism and the ‘new tourist’ is using the holiday for acquiring insight into other cultures. Recent research and current market trends are examined to reveal the increasing significance of gastronomy to holiday choice. It is argued that gastronomy brings culture and cultures together. Place and setting enhance the food experience and arguably vice‐versa. Heritage and gastronomy combined make for an excellent marriage of tourist resources. The text argues that this combination is both used and viewed by the tourist. As such the tourist becomes engaged in cultural heritage to a deeper level.     

Commercial Archaeology and 3D Web Technologies

ABSTRACT

This contribution summarizes the multiple uses of 3D web technologies in commercial archaeology. Considering the breadth of this topic, we will describe each different branch of these technologies with the example of case studies based on work of the Italian company Arc-Team. Our overview begins with 3D visualization for scientific purposes, showing a project funded by the Autonomous Province of South Tyrol (Italy) in order to improve knowledge about WWI. Second, we analyze a similar project, funded by the Autonomous Province of Trentino (Italy), but with the aim to increase tourism at a high alpine WWI site. The third example is the development of another prototype for tourism: a 3D web-map for the cultural valorization of the historical border (1753) between the region Tyrol and the Most Serene Republic of Venice. In the forth case study, we discuss the implementation of 3D within web platforms for archaeological project management of RAPTOR (Ricerca Archivi e Pratiche per la Tutela Operativa Regionale), a webGIS developed to aid in preservation and conservation efforts of cultural heritage for the Italian Ministry of Cultural Heritage and Activities and Tourism (MiBACT). Fifth, we explore recent uses of 3D models for web-coworking during the process of excavation management, thanks to the developments of real-time 3D acquisition techniques based on SLAM algorithms and archeorobotic devices. Finally, 3D web-coworking is also analyzed illustrating some simple web tools that afford rapid feedback in data visualization, considering not only excavation field-work but also exploration projects. This overview, based on six different case studies, represents the four fields in which 3D web technologies are currently used in commercial archaeology: scientific communication; tourism improvement; preservation of cultural heritage; and real time field-work management. Some specific topics such as tourism improvement and field-work management are investigated in greater depth in order to allow us to analyze variables deriving from customer requests (e.g. restrictions regarding sensitive geolocation or preferences for specific web platforms) and from differences among data acquisition technologies based on various sensors.     

An Assessment of the Status and Condition of Archaeological Remains Preserved In Situ in the Medieval Town of Trondheim Based on Archeochemical Investigations Conducted During the Period 2007–2010

Abstract

In recent years systematic archeochemical investigations in the medieval town of Trondheim have provided the heritage management authorities with a rich and complex set of data concerning the status and condition of the cultural deposits in the anthropogenic material. The collected data raises important questions for the long-time management of in situ preservation for archaeological material in non-saturated zones. In this paper we present the standardized scientific methods used in these archeochemical investiga- tions. We examine the results from several sites in the town and discuss the challenges facing modern heritage management in its efforts to protect a complex body of archaeological material in the non-saturated zone. We show that sediments with a thickness of 1–2 m have low levels of moisture and organic matter, and most of the inorganic parameters analysed are found in oxidized form with low preservations. The 2–3 m thick anthropogenic sediments showed better preservation conditions.     

A COMPARISON OF METHODS FOR ESTABLISHING FATTY ACID CONCENTRATION GRADIENTS ACROSS POTSHERDS: A CASE STUDY USING LATE BRONZE AGE CANAANITE AMPHORAE*

Canaanite amphorae fragments in fabrics believed to be associated with the bulk transport of vegetable oils from the fourteenth‐century BC site of Amarna, Egypt, have been examined. A comparison is made between solvent extraction, saponification and the use of TMTFTH (m‐trifluoromethylphenyl)trimethylammomum hydroxide, used here for the combined extraction and derivatization of ceramic‐absorbed organic residues. Extracts were studied using gas chromatography and gas chromatography‐mass spectrometry. The extraction of fatty acids from small ceramic samples has established concentration gradients of absorbed organic matter from the inner to the outer surfaces of the sherds.     

The Problem of the Missing Harbour of Evagoras at Salamis,Cyprus: a review of the evidence and pointers to a solution

This article summarises the archaeological evidence for the existence of Evagoras' naval harbour at Salamis in North Cyprus, which ancient texts credit him with building c.410–400 BC. Based on a critical examination of previous surveys and his own on‐site observations, the author concludes there is indicative evidence of a constructed harbour c.800 m long, which was divided into two basins by a stone jetty, separated from the city by a stone wall and with some evidence of ship‐sheds at its north end. © 2012 The Author     

Protecting historic Hanoi in a context of heritage contestation

Abstract

Since the introduction of the doi moi (renovation) policies in 1986, economic liberalisation and modernisation have led to redevelopment pressures on the cultural heritage of Vietnam's cities. A lively debate has ensued, most notably in the capital. Hanoi, about what is worth keeping. The views of international and local developers are opposed to the ‘Vietnamese heritage only’ of the most narrowly nationalistic of politicians and planners. The complicated decision‐making environment is made more difficult by the presence of Western planning advisers who argue for the protection of the French and Russian layers in Hanoi's cultural landscape. This is part of a long history of heritage contestation and redefinition in Hanoi which largely reflects the succession of political regimes controlling the city. Consideration of key philosophical and practical issues is timely given the current intervention by the Australian Hanoi Planning and Development Control Project team which is helping shape the future of a variously‐defined ‘historic Hanoi’.     

Integrating Archaeological Heritage into Towns and Settlements

ABSTRACT

This article explores factors concerning the urban integration of archaeological heritage in towns and settlements. Archaeological heritage refers to visible, immovable archaeological remains (such as the remains of buildings or structures), sites, and areas (larger complexes). As part of the multidisciplinary process of archaeological heritage management, based on understanding the significance of a site and the goal of enhancing and preserving archaeological heritage in situ, urban integration and its determining factors have not been the subject of systematic research. The present study is derived from the application of deductive research based on theoretical assumptions validated by a qualitative survey. Research has identified 17 factors as the basis for the urban integration of archaeological heritage in towns and settlements. These factors represent a theoretical and practical contribution not only to urban planning but also to archaeological heritage management.     

In Situ Preservation and Monitoring of the James Matthews Shipwreck Site

Abstract

Over the past few decades, the archaeological community has been moving away from the more traditional methods of excavation and recovery of underwater cultural heritage towards a less intrusive management approach, essentially involving the preservation of sites in situ. This trend has been politically galvanized in Article 2, point 5 of the Convention on the Protection of the Underwater Cultural Heritage (), which states that ‘The preservation in-situ of underwater cultural heritage shall be considered as the ?rst option before allowing or engaging in any activities directed at this heritage’. Over the years, a number of different remediation strategies have been utilized in order to protect underwater cultural heritage sites in situ, and most of the techniques or combinations thereof involve reburial of sites. Reburial may be an appropriate means of stabilizing and decreasing the deterioration rate of a site, however, there needs to be a holistic approach to the study of the environment, before and after reburial, to gain a full understanding of the changes that are occurring on the site and determine the effectiveness of the technique.

In early 2000, the James Matthews, a copper-sheathed, wooden-hulled vessel wrecked in 1841 south of Fremantle, Western Australia, was identi?ed as being under considerable threat from increased site exposure due to a combination of natural near-shore sedimentary processes and industrial activity in the immediate area. An extensive on-site conservation survey was carried out to establish the state of preservation of the wreck and provide information regarding the physico-chemical and biological nature of the environment prior to the implementation of any mitigation strategy. In 2003 it was con?rmed that further exposure of the site was occurring and devising a management plan was of paramount importance.

Since this time a number of different reburial techniques have been trialled on the site and these include sand bags of differing material composition, polymeric shade cloth, arti?cial sea grass mats made from polyvinyl chloride bunting, and the use of interlocking medium density polyethylene ‘crash barrier’ units in a cofferdam arrangement to con?ne deposited sand. The geological, physico-chemical, and microbiological changes in the burial environments have been monitored over this time. Furthermore, the broader scale, near-shore sedimentary processes affecting the site are being assessed in order to establish the reasons behind the continuing sediment loss. In situ preservation of the iron ?ttings by cathodic protection has also been included in these ?eld trials. In this paper the results from these experiments will be summarized. This information will be used to ?nalize the design of the full-scale in situ preservation strategy for the site and assist in establishing a post-reburial monitoring programme that will measure the success of the adopted remediation technique.     

多时相三维激光扫描技术在考古发掘过程中的应用——以江苏孔塘遗址为例

三维激光扫描技术凭借快速、准确、无需接触文物表面等优势,已被越来越多地应用于文物保护和考古发掘工作中。江苏句容孔塘遗址在发掘过程中运用三维激光扫描技术不断跟进扫描,全面真实记录发掘过程中的各类遗迹的空间数据。在顾及遗存特征的前提下,对多时相墓葬点云数据进行了空间匹配、分割和缺失数据拟合等后期处理,重建遗址三维场景,直观展示多期遗存的时空关系,为后期考古研究推理提供了数据支持。     

The Belgammel Ram,a Hellenistic‐Roman Bronze Proembolion Found off the Coast of Libya: test analysis of function,date and metallurgy,with a digital reference archive

The Belgammel Ram was found off the coast of Libya in 1964, and examined during 2008–9. The following techniques were used: surface non‐contact digitizing using a laser scanner, reflectance transformation imaging using polynomial texture mapping and hemi‐spherical harmonics, digital photogrammetry with dense surface modelling, structured light optical scanning, and X‐ray fluorescence analysis. For internal structure the ram was examined by X‐radiography and 3‐D X‐ray tomography. Metallurgical composition was studied by micro‐drilling and subjecting the samples to scanning electron microscope X‐ray micro‐analysis, micro X‐ray fluorescence and X‐ray backscatter. The lead isotope composition was analysed. The alloy has average percentage composition Cu = 86.9, Sn = 6.3, Pb = 6.6, and Zn = < 0.10. The Belgammel Ram is probably a Hellenistic‐Roman proembolion from a small military vessel or tesseraria. The archived data are at the Faculty of Engineering and Environment, Engineering Sciences, Material Data Centre, University of Southampton ( muvis@soton.ac.uk ).     

The Odyssey Case: press,public opinion and future policy

The Odyssey Case refers to the dispute between Odyssey Marine Exploration Inc. (OME) and the Kingdom of Spain in the US courts to determine the ownership of more than 500,000 coins, as well as other artefacts, that OME recovered from a wreck‐site it had code‐named Black Swan. However, the process was much more than a dispute over the coins. It reflected many of the components involved in the protection of underwater archaeological heritage, especially when economic and political interests are at stake. Written from the perspective of an archaeologist working for the regional authority responsible for developing archaeological policy, this paper tries to assess the case's impact on future policy development.     

Conservation of the sacred at Angkor Wat: further reflections on living heritage

Abstract

This article reflects on and complements the paper 'Conservation of a “living heritage site”: a contradiction in terms? A case study of Angkor World Heritage Site', published by Keiko Miura Conservation and Management of Archaeological Sites, 7(1), (2005) 3–18. It develops further the notion of conserving sacred heritage in the light of a case study of Angkor Wat within the World Heritage site. Heritage management is always a balance between preserving different values – historic, aesthetic, use, spiritual, etc. Each of these categories of value has its own set of needs which are often not fully compatible with one another. Heritage management originally stemmed from the desire to protect the aesthetic and historic values of tangible heritage. Yet an over-emphasis on preserving these values alone is not tenable in a 'living heritage site'. At Angkor Wat it causes spiritual degradation and secularization. Highlighting instances in which this phenomenon has been apparent, this article suggests a way forward.     

HMS Falmouth: addressing the significance of a light cruiser lost in the First World War off the coast of Yorkshire

HMS Falmouth is the only known wreck of a Town Class light cruiser, which were ‘arguably the best cruisers of the First World War’ (Lyon, 1977c: 49). This article reports on a project to better understand the significance of the wreck and to raise public awareness of the heritage of the First World War at sea. Although the wreck is heavily degraded it is still of considerable importance, raising methodological questions about the role of multibeam survey and 3D visualization, access to archival material, and the characteristics of archaeology as applied to 20th‐century warships.     

Sumatra as seen by a Botanist

I would like to point out that the flora of Sumatra is in many respects as spectacular as Rafflesia and the giant Amorphophallus make one suspect (Meijer, unpublished). People should learn to attach the same scientific and aesthetic value to the loss of this flora as to the disappearance of rhinos, tigers, and tapirs. The only fruitful approach to save the tropical rain‐forests of Sumatra is absolute protection of the whole Bukit Barisan Range as a vital water catchment area of this island, to establish buffer zones in the foothills of this reserve, to establish enough reserves in the coastal plain regions and the peat swamps, the mangrove swamps, limestone hills, and Tiga Puluh Mountains to save representative areas. A massive botanical/ecological survey of the whole island is needed for a rational conservation plan. In this, access to centres of higher learning, participation of local universities, and the establishment of a series of local educational and research centres should play a major role. It has been discovered now in Central America (Costa Rice and Panama) that the only feasible way to preserve tropical rain‐forests is through a network of research stations and related scientific tourism.

Also in Sumatra with its local centres of diverse cultures, nature conservation can go hand‐in‐hand with cultural preservation and stimulation of local pride in people's natural heritage.     

Predicting National and Regional Recessions Using Probit Modeling and Interest-Rate Spreads

Abstract This study extends the work of Estrella and Mishkin (1996 , 1998 ) to show that interest‐rate spreads and probit modeling can be used to predict recessions in many states as well as the nation. State recessions are defined as two or more consecutive quarters of declining real gross state product. The yield spread, SPREAD, is defined as the difference between the 10‐year Treasury bond rate and the three‐month Treasury bill rate. The national results are similar to those obtained by Estrella and Mishkin. Probit models are estimated for all 50 states using SPREAD and unemployment insurance claims, UI, as alternative explanatory variables. For 34 of the 50 states, SPREAD is significant at the 0.01 level as a predictor of state recessions. Much weaker results are obtained using UI. Simulations for the 1979–2001 period are used to compute loss functions for the national and state models at probability screens of 30, 40, 50, and 60 percent. The results demonstrate that probit models based on SPREAD can be useful in improving business and policy decisions in many states.