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Estimating relative sunshine duration from commonly available meteorological variables for simulating biome distribution in the Carpathian Region 利用常用气象变量估算喀尔巴阡地区生物群落分布的相对日照时数
Q2 GEOGRAPHY Pub Date : 2022-03-27 DOI: 10.15201/hungeobull.71.1.1
Z. Szelepcsényi, H. Breuer, N. Fodor
Bright sunshine duration (BSD) data are required for simulating biomes using process-based vegetation models. However, monthly global paleoclimate datasets that can be used in paleo data–model comparisons do not necessarily contain BSD or radiation data. Considering the theoretical and practical aspects, the scheme of Yin, X. (1999) is here recommended to estimate monthly time series of relative BSD using only monthly climate and location data. As a case study for the Carpathian Region, the efficiency of both the original and a variant of that scheme is analysed in this paper. The alternative scheme has high applicability in paleoenvironmental studies. Comparison of the estimated and observed BSD data shows that from May to August, the value of relative root mean squared error in more than 90 percent of the study area does not exceed the threshold of 20 percent, indicating an excellent performance of the original estimation scheme. It is also found that though the magnitude of overestimation for the alternative algorithm is significant in the winter period, the proposed method performs similarly well in the growing season as the original. Furthermore, concerning modelling the distribution of biomes, simulation experiments are performed to assess the effects of modifying some configuration settings: (a) the generation of relative BSD data, and (b) the algorithm used to create quasi-daily weather data from the monthly values. Under both the recent humidity conditions of the study region and the spatial resolution of the climate dataset used, the results can be considered sufficiently robust, regardless of the configuration settings tested. Thus, using monthly temperature and precipitation climatologies, the spatial distribution of biomes can be properly simulated with the configuration settings proposed here.
使用基于过程的植被模型模拟生物群落需要明亮的日照持续时间(BSD)数据。然而,可用于古数据-模型比较的每月全球古气候数据集不一定包含BSD或辐射数据。从理论和实践两个方面考虑,本文推荐Yin,X.(1999)的方案仅使用月度气候和位置数据来估计相对BSD的月度时间序列。作为喀尔巴阡山地区的一个案例研究,本文分析了该方案的原始方案和变体的效率。该方案在古环境研究中具有较高的适用性。对估计和观测到的BSD数据的比较表明,从5月到8月,90%以上的研究区域的相对均方根误差值没有超过20%的阈值,表明原始估计方案具有良好的性能。研究还发现,尽管替代算法在冬季的高估幅度很大,但所提出的方法在生长季节的表现与原始算法相似。此外,关于生物群落分布的建模,进行了模拟实验,以评估修改一些配置设置的影响:(a)相对BSD数据的生成,以及(b)用于根据月值创建准每日天气数据的算法。在研究区域最近的湿度条件和所使用的气候数据集的空间分辨率下,无论测试的配置设置如何,结果都可以被认为是足够稳健的。因此,利用月温度和降水气候学,可以利用本文提出的配置设置来适当模拟生物群落的空间分布。
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引用次数: 1
Duančić, V.: Geography and Nationalist Visions of Interwar Yugoslavia DuančićV.:地理与内战时期南斯拉夫的民族主义视野
Q2 GEOGRAPHY Pub Date : 2022-03-27 DOI: 10.15201/hungeobull.71.1.8
Matteo Proto
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引用次数: 0
Border divergence or convergence in the context of integration: A case study of the Russian-Belarusian and Russian-Kazakhstan borderlands 一体化背景下的边界分化或趋同:以俄罗斯-白俄罗斯和俄罗斯-哈萨克斯坦边境地区为例
Q2 GEOGRAPHY Pub Date : 2022-03-27 DOI: 10.15201/hungeoobull.71.1.3
K. Morachevskaya, M. Karpenko, A. Sebentsov
A state level integration process should first and foremost have a positive impact on the border areas. The current Russian-Belarusian and Russian-Kazakhstan borders acquired the status of ‘state borders’ in 1991 as a result of the collapse of the Soviet Union. While Russia and Belarus immediately embarked on the path of integration in the 1990s, effectively cancelling border controls, Russia and Kazakhstan were forced to resolve border security issues by strengthening their border and establishing customs control processes. The launch of the Customs Union in 2010 partially removed the existing trade contradictions, and the creation of the Eurasian Economic Union (EAEU) in 2015 significantly strengthened interstate interactions. However, despite the declared integration, it could not compensate for the dividing role of the border which separates the diverging political, legal, and economic spaces of the three countries. The purpose of this study is to determine whether divergence or convergence occurs in the considered border regions, as seen through the prism of demographic, ethno-cultural and economic changes. We rely on the results of a multi-year field research in various regions of the Russian-Belarusian and Russian-Kazakhstan borderland (2014–2018), data from official statistics, and some conclusions based on the authors’ findings as part of their work on previous collective research projects. We found out that demographic processes became one of the reasons, as well as the main driver of divergence. The active depopulation evidently decreased the potential for cross-border cooperation (especially at the local level). The Russian-Belarusian borderland is still rather homogeneous in sociocultural sense, and the border between Russia and Kazakhstan is characterized by an increase in ethno-cultural divergence. The post-Soviet period of nation-building in Kazakhstan was a period of the revival of the national language and kazakhization of the public space. Our analysis demonstrates the crucial importance of path dependence in the economic cooperation on the whole and in the specialization of interregional interactions. We observed both autonomization and absence of cross-border cohesion in the economic sphere, and in many cases, we saw examples of competition.
州一级的一体化进程首先应该对边境地区产生积极影响。1991年,由于苏联解体,目前的俄罗斯-白俄罗斯和俄罗斯-哈萨克斯坦边界获得了“国家边界”的地位。虽然俄罗斯和白俄罗斯在20世纪90年代立即走上一体化道路,有效地取消了边境管制,但俄罗斯和哈萨克斯坦被迫通过加强边境和建立海关管制程序来解决边境安全问题。2010年关税同盟的成立部分消除了现有的贸易矛盾,2015年欧亚经济联盟的成立大大加强了国家间的互动。然而,尽管宣布了一体化,但这并不能弥补边界的分裂作用,因为边界将三国不同的政治、法律和经济空间分隔开来。本研究的目的是通过人口、民族文化和经济变化的棱镜来确定所考虑的边境地区是否发生了分歧或趋同。我们依赖于在俄罗斯-白俄罗斯和俄罗斯-哈萨克斯坦边境各个地区(2014-2018)进行的多年实地研究的结果、官方统计数据以及基于作者发现的一些结论,这些结论是他们之前集体研究项目的一部分。我们发现,人口统计过程成为分歧的原因之一,也是分歧的主要驱动因素。人口的积极减少显然降低了跨界合作(特别是在地方一级)的潜力。俄罗斯-白俄罗斯边境在社会文化意义上仍然相当同质,俄罗斯和哈萨克斯坦边境的特点是种族文化差异增加。哈萨克斯坦的后苏联国家建设时期是民族语言复兴和公共空间哈萨克化的时期。我们的分析表明,路径依赖在整体经济合作和区域间互动专业化中至关重要。我们观察到经济领域的自主化和缺乏跨境凝聚力,在许多情况下,我们看到了竞争的例子。
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引用次数: 2
Fuerst-Bjeliš, B. and Glamuzina, N.: The Historical Geography of Croatia: Territorial Change and Cultural Landscapes Fuerst Bjeliš,B.和Glamuzina,N.:克罗地亚历史地理:领土变化和文化景观
Q2 GEOGRAPHY Pub Date : 2021-12-13 DOI: 10.15201/hungeobull.70.4.9
A. Vadas, G. Demeter, Dénes Sokcsevits
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引用次数: 0
Kocsis, K., Kovács, Z., Nemerkényi, Zs., Gercsák, G., Kincses, Á. and Tóth, G. (eds.): National Atlas of Hungary Vol. 3: Society Kocsis, K., Kovács, Z., nemerksamnyi, Z.。, Gercsák, G., Kincses, Á。和Tóth, G.(编):匈牙利国家地图集第3卷:社会
Q2 GEOGRAPHY Pub Date : 2021-12-13 DOI: 10.15201/hungeobull.70.4.7
Peter C. Jordan
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引用次数: 0
Residential suburbanisation in the hinterland of Bratislava – a case study of municipalities in the Austrian border area 布拉迪斯拉发腹地的住宅郊区化——奥地利边境地区市政当局的案例研究
Q2 GEOGRAPHY Pub Date : 2021-12-13 DOI: 10.15201/hungeobull.70.4.2
Renáta Farkas, Michal Klobučník
This paper provides an overview of the process of residential suburbanisation in the hinterland of Bratislava. The study focuses on the municipalities around the Austrian border area. The main aim of the paper is to investigate the characteristics of cross-border suburbanisation, which is a significant spatial phenomenon in the municipalities of northern Burgenland and the south-eastern part of Lower Austria. The analysis has a spatio-temporal dimension, as it depicts the time-space characteristics of the phenomenon – both for a single time point, as well as for a time series from the approximate beginning of the onset of suburbanisation up to the present. While monitoring the growth of the number of Slovaks in the study area, we observed a gradual increase in all the selected municipalities of the Austrian border area, with the distance from Bratislava being a significant factor here. The analysis of migration in the surveyed municipalities showed predominantly positive migration efficiency – immigration was negated by emigration only to a small extent (compared to suburbanisation in the Slovak hinterland of Bratislava, which is, however, relatively high). The structural characteristics of Slovak immigrants, where the younger age group of 30 to 44 years followed by a child component up to 14 years predominated, attest to the ongoing process of suburbanisation. The research confirmed the advancing residential suburbanisation and expansion of the cross-border suburban hinterland of Bratislava.
本文概述了布拉迪斯拉发腹地的住宅郊区化进程。这项研究的重点是奥地利边境地区周围的城市。本文的主要目的是研究跨境郊区化的特征,这是布尔根兰州北部和下奥地利州东南部的一种重要空间现象。该分析具有时空维度,因为它描绘了这一现象的时空特征——无论是单个时间点,还是从郊区化开始到现在的时间序列。在监测研究地区斯洛伐克人数量的增长时,我们观察到奥地利边境地区所有选定的市镇都在逐渐增加,与布拉迪斯拉发的距离是一个重要因素。对受调查城市的移民分析显示,移民效率主要是正的——移民在很小程度上被移民抵消了(与斯洛伐克腹地布拉迪斯拉发的郊区化相比,后者相对较高)。斯洛伐克移民的结构特征证明了正在进行的郊区化进程,其中30至44岁的年轻群体占主导地位,随后是14岁以下的儿童。这项研究证实了布拉迪斯拉发跨境郊区腹地的住宅郊区化和扩张正在推进。
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引用次数: 2
The role of temperature and the NAO index in the changing snow-related variables in European regions in the period 1900-2010 1900-2010年欧洲地区气温和NAO指数在雪相关变量变化中的作用
Q2 GEOGRAPHY Pub Date : 2021-12-13 DOI: 10.15201/hungeobull.70.4.3
A. Kis, R. Pongrácz
Snow-related variables are analysed in the present paper in the period 1901‒2010 on the basis of the ERA-20C dataset. Relationships between different snow characteristics, temperature and the NAO index are investigated on monthly, yearly and decadal scales for eight regions within Europe representing different climatic types (i.e. oceanic, continental, polar) to analyse the differences and similarities between them depending on the climatic conditions. According to our results, the ratio of snow (i.e. snowfall compared to total precipitation) can reach 1 in winter in the colder, northern regions, whereas it is about 0.6 in the continental areas of Central Europe, even in the coldest months. During a strong positive phase of NAO more snow falls in the northern regions of Europe due to the large-scale circulation characteristics. When a negative NAO phase occurs, the temperature and snowfall anomalies are the opposite in northern Europe. The highest temperature values generally occurred after 2000, and the snowfall amount was smaller in the first decades of the 21st century compared to the previous decades. The relationship between temperature and snowfall is the strongest in autumn in the colder regions; in spring in the continental areas and in winter in the oceanic climate.
本文在ERA-20C数据集的基础上分析了1901年至2010年期间与雪相关的变量。在月、年和十年尺度上,对欧洲八个代表不同气候类型(即海洋、大陆、极地)的地区的不同雪特征、温度和NAO指数之间的关系进行了调查,以根据气候条件分析它们之间的差异和相似性。根据我们的研究结果,冬季,在寒冷的北部地区,降雪量(即降雪量与总降水量之比)可达1,而在中欧大陆地区,即使在最冷的月份,降雪量也约为0.6。在NAO的强正阶段,由于大规模环流特征,欧洲北部地区降雪更多。当出现负NAO阶段时,北欧的温度和降雪异常情况正好相反。最高温度值通常发生在2000年之后,与前几十年相比,21世纪前几十年的降雪量较小。温度和降雪量之间的关系在寒冷地区的秋季最强;春天在大陆地区,冬天在海洋气候。
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引用次数: 1
Natural reduction of Ukraine’s population: Regional dimensions of the national threat 乌克兰人口自然减少:国家威胁的区域层面
Q2 GEOGRAPHY Pub Date : 2021-12-13 DOI: 10.15201/hungeobull.70.4.1
Myroslav Dnistrianskyi, J. Molnár, I. Chaika
A significant decline in Ukraine’s population is mainly due to its natural decrease, which began in the 1970s and 1980s in the rural areas and had been determined by the objective trends in demographic transition, the inertia effect of the demographic losses in the past and the social policy of the political regime at that time. Likewise, the social and economic crisis of the 1990s deepened the depopulation processes. In the present research, correlation analysis demonstrated a relationship between the current dimensions of natural population decline and a number of socio-demographic factors (proportion of the rural population, mean age of the population, divorce rate and the mean age at first marriage). In recent years, the effects of the demographic crisis have been particularly acute in North-eastern and Central Ukraine, due to the deepening disproportions in the age and sex structures of the population. However, in the capital of Ukraine, Kyiv, and in some western regions, the natural decrease in population is less acute because of more balanced social and demographic indicators. Although religious and ethnic factors contribute to some extent to greater natural population growth, especially in the western and south-western regions, their impact on the processes of population reproduction in Ukraine is generally not significant. To sum up, in order to stop natural population decline in Ukraine, it is important to ensure more favourable conditions for demographic development in the economic, social, informational and cultural spheres of society. Furthermore, in areas of acute demographic crisis, it is important to raise the issue of rural reconstruction involving a variety of organisational and economic mechanisms.
乌克兰人口的大幅下降主要是由于其自然减少,这种减少始于20世纪70年代和80年代的农村地区,是由人口转型的客观趋势、过去人口损失的惯性效应和当时政治制度的社会政策决定的。同样,1990年代的社会和经济危机加深了人口减少的进程。在本研究中,相关性分析表明,当前人口自然下降的维度与一些社会人口因素(农村人口比例、人口平均年龄、离婚率和平均初婚年龄)之间存在关系。近年来,人口危机的影响在乌克兰东北部和中部尤为严重,原因是人口年龄和性别结构的不均衡现象日益严重。然而,在乌克兰首都基辅和一些西部地区,由于社会和人口指标更加平衡,人口的自然减少不那么严重。尽管宗教和种族因素在一定程度上促进了人口的自然增长,特别是在西部和西南地区,但它们对乌克兰人口再生产过程的影响通常并不显著。总之,为了阻止乌克兰人口的自然下降,重要的是确保在经济、社会、信息和文化社会领域为人口发展创造更有利的条件。此外,在人口危机严重的地区,重要的是提出涉及各种组织和经济机制的农村重建问题。
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引用次数: 0
Green infrastructure-based hydrological modelling, a comparison between different urban districts, through the case of Szeged, Hungary 基于绿色基础设施的水文建模,通过匈牙利塞格德的案例对不同城市地区进行比较
Q2 GEOGRAPHY Pub Date : 2021-12-13 DOI: 10.15201/hungeobull.70.4.5
Á. K. Csete, Á. Gulyás
Because of the climate uncertainties caused by climate change and the growing urban areas, today’s cities face new environmental challenges. The impervious artificial elements change the urban water cycle. Urban districts with inadequate water infrastructure and treatment can be a major source of environmental risks, like urban flash floods. Modern cities need to be prepared for the changing environment in a sustainable way, which can be realised with the help of green infrastructure. The primary role of the green infrastructure is mitigation, such as surface runoff reduction and retainment. The aim of our research is to examine urban district scale data about the role of green infrastructure in urban water management. Hydrological models can provide adequate data about the surface runoff, infiltration and the mitigating effect of vegetation (interception and evaporation). We compared two significantly different urban districts (downtown and housing estate area), based on land cover and vegetation data. The analysis of the districts of Szeged (Hungary) suggests that the vegetation can significantly contribute to the reduction of surface runoff. Differences between these urban districts can be quantified, thus, these data can serve as a basis for urban water management planning processes.
由于气候变化和不断增长的城市地区造成的气候不确定性,今天的城市面临着新的环境挑战。不透水的人造元素改变了城市水循环。供水基础设施和处理不足的城市地区可能是环境风险的主要来源,如城市山洪暴发。现代城市需要以可持续的方式为不断变化的环境做好准备,这可以在绿色基础设施的帮助下实现。绿色基础设施的主要作用是缓解,如减少地表径流和保持地表径流。我们研究的目的是检验城市区域范围内关于绿色基础设施在城市水资源管理中作用的数据。水文模型可以提供关于地表径流、渗透和植被缓解作用(拦截和蒸发)的充分数据。根据土地覆盖和植被数据,我们比较了两个明显不同的城区(市中心和住宅区)。对塞格德(匈牙利)地区的分析表明,植被可以显著减少地表径流。这些城市区域之间的差异可以量化,因此,这些数据可以作为城市水管理规划过程的基础。
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引用次数: 2
Bottlik, Zs., Berki, M. and Jobbitt, S. (eds.): Power and Identity in the Post-Soviet Realm: Geographies of Ethnicity and Nationality after 1991 Bottlik,Zs。,Berki,M.和Jobbitt,S.(编辑):后苏联时代的权力与身份:1991年后的民族地理
Q2 GEOGRAPHY Pub Date : 2021-12-13 DOI: 10.15201/hungeobull.70.4.8
G. White
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引用次数: 0
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Hungarian Geographical Bulletin
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