Modeling and Prediction of Long-Distance Traffic Flows Through the Example of Road Transport in the Czech Republic

The construction of large-scale long-distance roads brings an irreversible impact on the landscape and therefore its careful and precise planning is very important. For this planning we use data on the intensity of traffic flows on existing roads and statistical tools for the modeling of planned traffic flows. The main objective of this paper is the modeling of the existing intensity of traffic flows on highways and expressways in the Czech Republic by determination of the optimal distance-decay function. On the basis of the resulting model and the resulting distance-decay function, it is possible to predict the intensity of traffic in the event of the completion and commissioning of new sections of highways and expressways. The subsequent analysis will allow us to make a qualified prediction of traffic intensity in the event of the completion of the R35 expressway, or after the completion of the R35 and R43 expressways. Besides the intensity on the above-mentioned roads themselves, the paper also predicts the expected reduction in traffic intensity on the busiest highway in the Czech Republic, that is, on the D1 highway between Prague and Brno.     

外资流动的动力学研究——以广东省为例

资本流动受推力、引力和阻力作用,在空间上先向中心城市和交通干线集聚,然后沿城市体系和交通干线作"蛙跳"式、点线式推进,最后向乡村面状扩散。资本流动对流入地区产生正负两方面的影响。投资环境建设和引资工作应针对不同阶段资本流动的特点和驱动因素,采取相应的政策,调控外资流动,减少负面影响,使利用结构合理化。     

环南海区域跨境航空网络空间结构演化

本研究收集2000、2010、2018年环南海区域各国家/地区间国际机场的跨境客运、货运航线和航班数目,探究近20年该区域跨境航空客运和货运网络的整体结构与空间格局演化特征,并综合客运和货运网络分析枢纽机场体系演化。研究发现：①该区域跨境航空网络的整体结构具有覆盖范围扩大、“小世界”效应明显和“无标度”特征显著的特点,但客、货运网络的演化存在差异。②该区域跨境航空客运网络具有明显的轴—辐组织结构特征,并呈现“多核心化”的演化趋势,而货运网络中以香港、新加坡为枢纽的轴—辐组织结构与局部性的“点—点”航空货运联系并存,尚未形成全局性的轴—辐组织结构。③该区域的区域客、货运枢纽机场发展呈现综合化、专业化趋势,香港（HKG）和新加坡（SIN）长期以来保持优势地位。     

China's Air Passenger Transport: An Analysis of Recent Trends

Two China-based transportation geographers examine trends and developments revealed by the release of the most recent official data on traffic and airport capacity within mainland China's domestic air passenger transport system. The focus of the study is the uneven spatial distribution of airports and airport service hinterlands, as well as the hierarchical nature of passenger flows centered within the axis Beijing-Shanghai-Guangzhou (Hong Kong, Macau, and Taiwan are not included in the analysis). Among the questions investigated are the efficiency/balance within the system, as well as the extent to which the distribution of airports and air passenger flow volumes reflect basic patterns of economic and urban development within the country, and conform with a hub-and-spoke model. Journal of Economic Literature, Classification Numbers: L50, L93, O18, R40. 5 figures, 5 tables, 30 references.     

Medieval Italian pilgrims to Santiago de Compostela: New literary evidence

This paper offers literary evidence of the interest in the cult of St James on the part of late medieval Italian pilgrims. While extant written itineraries are few, occasional literary references demonstrate this interest without furnishing precise details of the route to Santiago de Compostela. Compostela holds a special place in chivalric literature: the legendary wars against Muslims in Spain and the status of the warrior Roland as a popular saint derive much of their impetus from the piety centred on Santiago. One episode of the widely-circulated chivalric romance Guerrino il Meschino by the Florentine Andrea da Barberino displays its genre's concern with the Spanish shrine and details and route from Rome to Compostela. Andrea, known for his verisimilar style, incorporates a virtuoso display of contemporary geographical knowledge which gives his fiction the texture of a chronicle. The author's inclusion of towns not found in the chivalric literary corpus argue for his reliance on maps or the testimonies of returned pilgrims. Places named tally with those in actual pilgrim accounts. The passage in Guerrino furnishes evidence of Italian pilgrimages to Santiago in the early fifteenth century, a period for which no historical accounts remain.     

芜湖市居民出行心理行为研究

本文运用行为地理学原理,对芜湖城市居民出行行为进行了两次实际调查,在对调查资料初步分析整理基础上,研究了芜湖市居民出行过程中心理行为的各种表现及其影响因素,提出了解决城市客运交通问题的思路和对策,为加强城市交通规划、建设和管理提供参考依据。     

The Distribution of Population and Related Indicators in Long-Term Planning of Passenger Traffic

A methodology in described to forecast the “passenger intensity” of population centers and economic regions or subregions, expressed as the ratio of passenger departures to total population. Intra-regional passenger intensity in found to be closely related to income levels and to availability of a transport net. A greater complexity of factors dictates the passenger-forming role of economic regions in inter-regional traffic.     

上海城市生态的近代转型——以晚清上海道路为中心

道路是城市生态空间的一部分,兼具自然和人文空间的生态功能。近代上海开埠后,新型道路的修筑引发了城市公共空间生态环境的转变。本文通过选取近代上海道路交通发展的一个阶段,力图展现在上海近现代城市道路的出现与发展过程中,与城市道路相关的人文生态环境的变化,以及因这种变化导致的近代市民城市文明的形成,进而达到揭示城市道路与城市社会生态之间关系的目的。     

晚明时期我国历史旅游客流空间集聚与扩散研究

本文以《四库全书》、《四库全书存目丛书》、《四库全书存目丛书补编》、《四库禁毁书丛刊》及《四库未收书辑刊》中记载的晚明文人游记为基础,借助SPSS12.0软件,对晚明时期我国历史旅游客流的集聚和扩散现象进行研究,通过因子分析发现当时我国已初步形成四大旅游集聚场和三大旅游扩散场,并进一步利用因子得分进行聚类分析,以此为依据划分旅游目的地和客源地等级结构。     

A Method For Calculating The Requirements For Mobile Public Services Under Various Geographical Conditions

A formula is developed for computing the requirements for mobile service units, such as traveling stores, repair shops, and clubs, in various types of rural settlement patterns. The formula takes into account the character of the service rendered, the number and density of the places to be served, the state of the roads, climatic conditions, and other factors. Mobile-unit requirements are found to increase with a decline in the average population, in places to be served, and in density of places. The requirements are highest in remote range-grazing lands in the southern Soviet Union.     

The morphogenesis of state highway networks in the United States

Despite the dominance of automobiles in the 20th century transport patterns of the U.S., the modern highway network actually emerged as a result of popular social and economic goals in the late 19th and early 20th centuries. These goals were based on improving rural mobility and living conditions, and were completely unrelated to automobile traffic. The desire to improve rural roads stimulated the creation of highway networks at new spatial scales, with consistent patterns among most states. These networks were later greatly expanded in size and adapted to carry motorized traffic between major cities, with the result that their patterns have been substantially altered from their original form.     

An Introduction to the Network Weight Matrix

This study introduces the network weight matrix as a replacement for the spatial weight matrix to measure the spatial dependence between links of a network. This matrix stems from the concepts of betweenness centrality and vulnerability in network science. The elements of the matrix are a function not simply of proximity, but of network topology, network structure, and demand configuration. The network weight matrix has distinctive characteristics, which are capable of reflecting spatial dependence between traffic links: (1) elements are allowed to have negative and positive values capturing the competitive and complementary nature of links, (2) diagonal elements are not fixed to zero, which takes the self‐dependence of a link upon itself into consideration, and (3) elements not only reflect the spatial dependence based on the network structure, but they acknowledge the demand configuration as well. We verify the network weight matrix by modeling traffic flows in a 3 × 3 grid test network with 9 nodes and 24 directed links connecting 72 origin‐destination (OD) pairs. Models encompassing the network weight matrix outperform both models without spatial components and models with the spatial weight matrix. The network weight matrix represents a more accurate and defensible spatial dependency between traffic links, and offers the potential to augment traffic flow prediction.     

Geochemical Methods for Sourcing Lava Paving Stones from the Roman Roads of Central Italy

This paper documents the results of in situ analysis of 306 lava paving stones and 74 possible source rocks using pXRF. Data were collected from sites both in the city of Rome—on major roads beyond the city (including the Viae Flaminia, Cassia, Clodia, Praenestina and Appia)—and in the city of Ostia. Comparison of the pXRF data with lava compositional data from the geological literature allows broad identification of possible sources. The results point to quite distinctive patterns of exploitation for the city of Rome and Ostia, utilizing the Alban Hills lava flows, and the roads of the middle Tiber Valley, drawing on lava flows associated with the Vico and Sabatini volcanoes. The results show the potential of pXRF to produce data to elucidate the exploitation of lava flows for paving the Roman roads.     

MAPPING OF THE POPULATION POTENTIAL

The development of the population potential model and its use both in the Soviet Union and abroad are reviewed. A formula proposed by O. D. Duncan, incorporating the so-called inner potential (equivalent to the actual population) in the formula for the population potential of a region or place is found to yield exaggerated high values for population centers. Interpolation of potentials on the basis of such peak values leads to considerable distortion of reality, as does the use of transport distance instead of straightline distance between interacting places. The author develops new formulas for the construction of population potential maps in an effort to refine the technique and extend its applicability to large-scale mapping.     

OF BOUNDARIES,PLACES, AND SITUATIONS

Thomas F. Gieryn's Truth-Spots: How Places Make Us Believe presents eight case studies to support his historical-sociological thesis that “Places … have agency and exert a force of their own on the direction and pace of knowledge and belief” (18). Gieryn adds a new angle to a century-old discourse on the social construction of truth: the emplacement of credibility in narrated material locations. Throughout his career, Gieryn has contributed extensively to the spatial and placeful analysis of knowledge and social power: from advancing the concept of discursive “boundary-work” in the 1980s, to a refined method of “cultural cartography” in the 1990s, and in the twenty-first century, toward investigations of places: defined as meaning-enriched material locations. He has now advanced “truth-spots” as a type of place that credibilizes truth-claims. This essay reviews the key concepts in the career of this historical sociologist of scientific knowledge, through a mapping of Gieryn's own trajectory within the arc of a long pragmatist tradition in US social science. I shall use Gieryn's own case studies to test two key claims in his account of how place operates in the social-cultural construction of belief: (1) The model of “place” that Gieryn proposed in 2000, and has used consistently ever since (termed here a “Gieryn-place”), and (2) Gieryn's claim that features of “truth-spots” exhibit an observably independent (“agentic”) effect on the credibility of claims made there. I argue that both Gieryn-places and truth-spots suffer from incomplete specification of the ways in which people attach meanings to locations; of the boundaries of places; and of the sites of conscious encounter with places. They suffer also from his own boundary-work to exclude imaginary, cultural, and virtual spaces from his conception of place. This essay argues that a credible account of how place operates in/as history will require a focus on situation and situatedness, drawing on the pragmatist tradition of the Thomas Theorem. The concept of situation completes the circuit between meaning-production and the attachment of meaning to places and opens a gate for historical investigation, across the boundary between imagined, virtual, and conceptual spaces, and lived, material embodied places.     

THE GRAVITY MODEL AND HIERARCHICAL SPATIAL SYSTEMS: THEORETICAL AND EMPIRICAL OBSERVATIONS

The gravity model in its basic forms postulates that the volume of interaction between two places will be positively related to the populations (masses) of the two places and inversely related to their distance apart. Although it is not strictly speaking a hierarchical model, it is often used to explain flows among places that constitute a hierarchical spatial system. This paper is specifically concerned with the effect of hierarchical spatial structure on the performance of the gravity model. Accordingly, I will examine first the effect of hierarchical structure on the volume of interaction between places and second the degree to which the gravity model incorporates these hierarchical effects. Third, suggestions will be made for the improvement of the gravity model's performance by an explicit incorporation of a hierarchical element. The performance of the gravity model will be examined for both one-way and two-way flows between places.     

SOCIAL-GEOGRAPHIC PROBLEMS IN THE REGULATION OF SETTLEMENT SYSTEMS IN A DEVELOPED SOCIALIST SOCIETY

An analysis of the impact of social development on forms of settlement and of the reverse impact of settlement forms on social processes. The author challenges the view that spatial forms have no bearing on social processes. The point is made by tabulating types of social contacts at various spatial levels and for different forms of settlement, from household to large urban agglomeration. The significance of information flows at different spatial levels is discussed. Large cities are found to have potential for the development of material and spiritual benefits that are lacking in smaller places. But since an integrated economy also requires smaller forms of settlement, ways must be found to provide a minimum set of material and cultural services at the lower level as well. Recommendations for raising the level of living in smaller Soviet populated places are offered.     

解析信息社会流动空间的概念、属性与特征

伴随着20世纪90年代以来的数字技术革命,围绕信息而产生的概念被广泛纳入到了城市与区域空间研究框架中。流动空间是全球化进程中在信息技术的推动下产生的一种新的空间形式。信息技术、经济和空间的共同作用改变了传统的时间、空间和距离的概念,产生了全新的流动空间场。为了在城市与区域规划中更好地理解与应用流动空间这一概念,在把握国内外相关研究的基础上,我们总结出流动空间的概念,认为其具有实体空间与虚拟空间的二元属性,提出流动空间具有流动性、共享性、高时效性、空间弹性和高级网络性五大特征。在信息时代,对于流动空间的概念、属性与特征的研究强调了流动空间作为区别地方空间的一种新空间形式的内涵,突显出信息技术改变我们居住、生活空间的同时,将使我们主动地迎接空间转变的挑战。     

山西省传统村落空间分布格局及影响因素研究

以山西省156 个"传统村落"为研究对象,Arc GIS10.2 为支撑平台,使用谷歌地球（Googol Earth）和百度地图确定坐标、高程等基本地理信息,运用空间分析方法,从宏观角度综合分析山西的传统村落在空间上的分布格局及其影响因素。山西传统村落分布有以下特点：整体为凝聚型,部分区域为分散型;地区分布不均衡,集中分布于晋中、晋东南地区,其他地区较少;沿河流、道路呈带状分布,且在这两方面上存在空间指向的一致性。从地形、海拔、坡向、河流等自然要素和人口、中心城镇、社会经济等人文要素方面探索影响传统村落空间分布的因素及其发生作用的方式,对山西传统村落的保护与开发进行有益思考。     

明代广西交通建设述略

广西地处祖国南疆,属后发展地区。明代广西地方官吏和广西人民采取疏通河道、修建大路、建造桥梁、建设水驿等措施,大力发展水陆交通,使广西形成了辐射四方、水陆交叉的交通网络。交通网络的形成对广西政治、经济、化起着很大的促进作用,对维护祖国统一也有积极意义。