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E. B. 《考古杂志》2013,170(1):59-61
Scholarly opinion on the character and timing of the end of Roman Britain remains deeply divided. The evidence presented by those favouring a ‘long chronology’ is seriously flawed. ‘Continuity’ or ‘survival’ of Roman Britain is claimed because early medieval activity is attested on some former Roman sites and some early medieval artefacts are of Roman type. But Roman Britain was part of a ‘world system’ with a distinctive and rich archaeological assemblage, and once terms are properly defined and material analysed quantitatively, the argument for fifth-century continuity collapses. The archaeological evidence shows that after a long process of decline beginning in the third century, Roman Britain had ended by c. A.D. 400.  相似文献   

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This paper analyzes the spatial potential of detached additional dwelling units (ADUs) in Windsor, Ontario. A new GIS model, which integrates various geoprocessing commands in ArcGIS 10.8.1, is developed to calculate whether the minimum allowable size of a detached ADU can fit within the total buildable area of a residential property, based on the setbacks, the lot coverage requirements, and other factors (such as parking and flood plain areas). The model uses publicly sourced data that were obtained from the City of Windsor's Open Data Portal. More specifically, individual residential parcels and associated building footprints along with street centerlines are used as inputs to the model. The outputs are then categorized into three types (suitable, potentially suitable, and not suitable) to demonstrate where detached ADUs can be built in compliance with the local zoning bylaws, on both an individual lot basis and at an aggregate level. The conducted analysis reveals the potential of existing residential neighbourhoods in a mid-size city, and has many implications for homeowners, policymakers, and researchers with respect to increasing housing supply within current Canadian municipalities.  相似文献   

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This study is an analysis of the impact of the opening or closure of a new urban casino on crime and disorder, and house sales and prices in its neighbourhood. The two sets of time-series data were the calls to the police about three types of offences and the house sales through the Multiple Listing Service in two neighbourhoods near the casinos in Windsor, Ontario, Canada. Temporally, the weekly numbers of offences and the mean monthly house prices were oscillating almost randomly around their respective declining or stationary long-term averages with no impulse from when a casino either opened or closed. Geographically, only two types of offences increased in number nearer to a casino site, but their respective distance decays neither moderated nor steepened after a casino had closed or opened. Even so, the conclusion is premature that the open or closed casinos have had benign effects on offences and house sales in the neighbourhoods.  相似文献   

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以历史档案记载与口述历史调查等资料相结合来研究考察日军细菌战造成的1942年湖南常德石公桥、镇德桥鼠疫灾难,可以更真确地了解这场灾难的历史面貌:这场灾难使石公桥和镇德桥两地3000余居民中死亡200余人,死亡率约6%;国民政府防疫部门对疫情的反应较迟缓,但进行了积极的补救;历史档案记录这场灾难的疫源可能有误,应是七三一部队飞机在当地投撒细菌所致.  相似文献   

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刘佳 《攀登》2010,29(4):148-150
随着西部大开发、国家挟持藏区发展政策的进一步落实,档案事业在促进民族地区经济和社会文化发展中的作用也日益凸显。如何提高档案人员素质,充分运用现代信息管理技术为民族地区档案事业发展服务就显得尤为重要,文章分析了当前民族地区档案管理人员的素质现状,并就如何进一步提升档案人员素质提出建议。  相似文献   

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Changes in the prices of homes and the reasons for those changes may be more accurately predicted from repeat sales of the same homes after controlling for their changed attributes and differences in time between their sales and resales. This paper analyzes 346 of 583 sold houses in the Glengarry neighbourhood in Windsor, Ontario, that were sold more than once between 1981 and mid‐2017, and a corresponding 414 of 737 sold houses in the city's Wellington‐Crawford neighbourhood, sold more than once between 1986 and mid‐2017. After comparing types of resold homes with once‐sold ones, a repeat sales model predicts a first period of increasing annual percentage changes in resale prices compared to sale prices during the 1980s, followed by a second period of stagnation and possible decreases until 2011, and then increases during a third period after that. In addition, changes in resold homes’ attributes of the dwelling unit and neighbourhood are a second type of neighbourhood change in two inner‐city neighbourhoods during the past 30 or more years.  相似文献   

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1998年春夏之际,山西省博物馆清理库房时,发现了一本清末山西学子留学日本士官学校的日记本,除封面和封底不存外,基本完好。日记内容记述了主人在1908年留学日本士官学校期间生活、学习和交友的情况,是我们了解和考证这段历史史实不可多得的宝贵资料,就日记本本身来说,它也是一件不可多得的近现代物。  相似文献   

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<正>锤头鲨,顾名思义,这种鲨鱼有着像锤子一样的脑袋,准确地说来,它们的脑袋长得如同一把榔头,而眼睛就长在头的左右两侧,距离非常远,看上去颇有几分怪异,不过也正是因为这样,锤头鲨才有了更为广阔的视野。锤头鲨的寿命通常有30~40岁。一般来说,锤头鲨的体长在4米左右,体重230公斤上下,生活在热带及温带海域。在今天,锤头鲨已经成为濒危动物,在加拉帕戈斯,你能够见到这些"水中巨头"的身影,其实还有赖于当地政府的保护,厄瓜多尔政府已经在加拉帕戈斯群岛的海洋保护区内为濒临灭绝的锤头鲨设立了禁猎区,让这些"水中巨头"可以有一片生存的净土。  相似文献   

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<正>西班牙,这个号称"出产阳光和海滩"的国家,是个享誉全球的旅游大国。截至2018年7月4日第42届世界遗产大会闭幕,西班牙共计拥有47项世界遗产,名列世界第3位。西班牙丰富的旅游资源,深厚的文化底蕴,以及热情的舞蹈,就像一个強大的磁场,吸引着世界游客频繁往来。建在云端的龙达小镇吃过早饭,我们从塞维利亚出发,前往西班牙安达卢西亚的龙达小镇参观。龙达小镇有3000多年的悠久历史。早在罗马帝国时代,一批旅人风尘仆仆地爬上这座750公尺的悬崖峭壁,发现这里地势险要,风景秀丽,河流丰沛,于是安营扎寨,建造出第一座房子。这白  相似文献   

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