Technology and the construction of oceanic space: Bathymetry and the Arctic continental shelf dispute

How did the Arctic seabed become a political space despite its almost complete inaccessibility to humans? While we can explain the causes of this in geopolitical and economic terms, theorizing the process is more difficult. This article argues that spatial constructions of the Arctic seabed emerge from the interaction among human actors, technologies, and the material environment. This interaction generates representations which are then fed into the overall process of spatializing the seabed. By highlighting the role of technology, this paper offers a way of relating human agency and materiality in the construction of oceanic space. The case study of bathymetry in the ongoing disputes over the Arctic continental shelf illustrates how technological and scientific advancements are embedded into global politics and themselves cause evolutions in the spatial construction of the seabed.     

Technology,chronology and the role of crucible steel as inferred from iron objects of the ancient site at Junnar,India

Ordinary iron objects from an ancient habitation site at Junnar in India, dating to the 2nd BC to AD 2nd century, were examined for their microstructure, chemical composition and age. The objects were mostly made of high carbon steel with a homogeneous microstructure consisting of fine spherical particles of carbide in the ferrite background, free of non-metallic inclusions. Their carbon concentration ranged from 0.7% to over 1.6% with one exception at 0.2%. Some of them contained trace amounts of silicon, manganese and sulfur while one object retained cavities due to volume contraction during solidification reactions. These features indicate that the objects examined constitute an early example of Indian steel making in crucibles. Evidence was found that basic techniques needed for the success of crucible steel technology were mostly available at Junnar at the time. The radiocarbon measurement on carbon samples extracted from one of the iron objects placed its date between 176 BC and AD 20, in agreement with the radiocarbon dates of three charcoal samples from the same site. The forgoing results support that crucible steel was produced in India at a much earlier date than previously supposed, to serve as a material for specific needs arising in daily life.     

Socio‐cultural currents affecting heritage site consideration: The impact of human values on people's attitudes and behaviour

Abstract

Many heritage site directors think of market research in simple ‘who, what, when, where’ terms; who came to their site, what did they see, when did they come, and where did they come from? Some also have employed qualitative techniques to probe ‘why’, asking groups of visitors to tell moderators why they were attracted, or not, by some specific exhibit, site or display. Research can offer a far deeper understanding than this basic marketing information. After a brief introduction focusing on the impact of demographics in the next few years, and recent trends in visits to British attractions, the analysis of key attitudinal statements regarding the psychological impact of heritage and technology is examined to see which socio‐cultural trends affect attitudes to these concepts.     

Hindu cosmology and the orinetation and segregation of social groups in villages in Northwestern India

This paper presents a cultural analysis of the directional orientation and segregation of castes in villages in a part of the northwestern plains of India. It interprets the built environment in terms of Hindu cosmology. Recent literature in cultural geography interprets the landscape "as text" or through symbols. The symbolic approach has greater relevance for traditional societies where clear schemata are discernible in built environments. This paper attempts a critical appraisal of Hindu cosmology as a schema for interpreting built environments in Indian villages.
Challenging the widely held view that Indian villages lack order, the paper demonstrates that there is a religiously ordained order in the landscape. The order is manifested in the form of orientation of several features of landscape, especially the caste mohallãs (wards) to the cardinal directions. Orientation of caste mohallãs to the 'sacred' directions in a settlement follows a system evolved by Indian civilization to harmonize the fractured social order with the segmented cosmic order. The paper also demonstrates that segregation is an inherent characteristic of orientation.
As a background for regional diversities, empirical evidence reveals that in the study region Hindu cosmology is impressed on villages, though often in a modified form. Villagers believe that the social space known as khenúã slopes down from west to east, while the southern sector is the 'lowest' segment of the village. Dominant castes characteristically reserve for themselves the best western site of the village and low castes are placed in lower social spaces, with scheduled castes being generally placed in the south.     

On the provenance and manufacture of red-slipped fine ware from ancient Cassope (NW Greece): evidence by X-ray analytical methods

Energy-dispersive X-ray fluorescence spectroscopy was used to characterize red-slipped pottery (2nd–1st century BC) from ancient Cassope, north-western Greece. The compositional data were statistically treated by principal component analysis and chemical groups were established, representing locally produced and imported items. Mineralogical investigation by X-ray diffraction indicated firing temperatures in the range from 850 to 1000 °C for most of the sherds, while one group consisted of over-fired items, possibly in excess of 1050 °C. The morphology and elemental composition of the ceramic bodies and surface slips were examined through scanning electron microscopy coupled with energy-dispersive X-ray spectroscopy. The analyses revealed that different pottery groups exhibit surface slips of different nature, in terms of thickness, degree of vitrification and elemental composition. Overall, the diversity in technological characteristics of the examined sherds is indicative of the socio-economic conditions prevailing in Cassopaea during the late Hellenistic period.     

Small prey hunting technology and zooarchaeological measures of taxonomic diversity and abundance: Ethnoarchaeological evidence from Central African forest foragers

Archaeological analyses of faunal assemblages often rely on rationale derived from the prey choice model to explain temporal and spatial changes in taxonomic measures of diversity and/or abundances. In this paper, we present analyses of ethnoarchaeological observations and bone assemblages created by Central African Bofi and Aka forest foragers which show that different small prey hunting technologies target specific suites of prey and that hunters vary their technological choice depending on their foraging goals. Analysis of ethnoarchaeological bone assemblages produced by the Bofi and Aka shows that variability in target prey can create spatially distinct, but contemporaneous, faunal assemblages with different diversity values and abundance indices. These data reveal important variation in how individuals within a contemporary human population rank prey and challenge current assumptions about the meaning of diversity and abundances measures in archaeological contexts. We argue that the use of diversity and abundance indices can obscure important intrasite variability in prehistoric foraging effort and suggest strategies that might enhance current techniques.     

我国历史文化遗产保护科技成果推广转化现状及对策研究

从我国历史文化遗产保护科学技术研究和科技成果推广转化现状出发,分析了在历史文化遗产保护领域中科技成果推广转化存在缺少政策法规的建立、组织系统不健全等问题,对进一步作好历史文化遗产保护科技成果推广转化提出了运行机制和激励机制的建议。     

海岱地区新石器时代玉料来源及琢玉工艺初探

关于海岱地区新石器时代的玉器,此前已有学者从不同角度作过研究.但对于玉料来源及琢玉工艺从未做过专题分析.本文根据考古学以及矿物学的最新研究进展,从考古学文化的分区、文化因素分析、制作工艺等角度进行了尝试分析.     

信息通讯技术（ICT）与城市地理研究综述

信息通讯技术（ICT）已成为现代城市发展的重要推动力,对城市居民空间行为产生了深刻影响。本文在对国内外相关文献梳理的基础上,从城镇化、城镇体系、城市活动空间、虚拟空间与实体空间、智慧城市等方面对ICT与城市地理领域的关联性研究进行了综述。研究发现,ICT通过促进产业结构高级化协同城镇化发展,通过改变流动性、邻近性改变城镇体系与城市空间结构。同时基于虚拟空间—实体空间,构建信息通讯技术背景下城市空间与居民空间行为作用机制。在新型城镇化背景下,基于微观尺度聚焦居民个人空间行为的研究亟待开展,空间正义、社会公平、区域发展均衡等议题亟待关注,融合信息通讯技术的城市空间理论亟待发展。     

Effect of heat treatment on siliceous rocks used in prehistoric lithic technology

Stone tool manufacture by many prehistoric and recent societies was characterized by deliberate heating of fine grained siliceous rocks to improve their flaking properties. Extensive mechanical testing of heated and unheated cryptocrystalline and macrocrystalline quartz lithologies has shown that thermal treatment causes a consistent marked reduction in fracture toughness. This mechanical property can be used as an objective measurement of the flaking qualities of stone materials, and a reliable criterion for the recognition of intentionally heated artefacts in the archaeological record. X-ray diffraction studies and scanning electron microscopy have demonstrated that the change in fracture toughness with heating is the result of recrystallization. The poorly ordered, strongly interlocking cryptocrystalline fabric of the unheated samples becomes more equigranular and better crystallized with thermal treatment. As a consequence, fractures propagate more readily in heated samples, accounting for their better flaking properties.