Analysis Of Spatial Characteristics Research Articles

유휴·방치 부동산의 공간분포 및 특성 분석: 익산시를 사례로

유휴·방치 부동산의 공간분포 및 특성 분석: 익산시를 사례로

Spatial and sectoral characteristics of China’s international and interregional virtual water flows – based on multi-regional input–output model

ABSTRACTThis paper provides a systematic analysis of spatial and sectoral characteristics and changes in virtual water flows associated with China’s interregional and international trade based on the China interregional input–output tables of 2002 and 2007. The results show significant improvement in water use efficiency between 2002 and 2007. However, the general spatial patterns and sectoral components of virtual water flows have more or less remained during the period. Almost all Chinese provinces are net exporters of virtual water in international trade. In interregional trade, the dominant direction of virtual water flow is from peripheral provinces to eastern coastal provinces. The agricultural sector plays an important role in shaping this direction and has significant impacts on water uses in exporting provinces, some of which are water scarce. The results of this study clarify some confusions concerning mismatches between regional water endowments and virtual water trade within China and with other countries.

시각적 기법에 의한 DMC/UlatraCamXp/ADS80 디지털 항공영상의 공간해상도 특성 분석

시각적 기법에 의한 DMC/UlatraCamXp/ADS80 디지털 항공영상의 공간해상도 특성 분석

Classifying Urban Climate Zones Based upon Statistical Analysis of Urban Spatial Characteristics

This research was supported by a grant (15AUDP-B102406-01) from Architecture & Urban Development Research Program (AUDP) funded by Ministry of Land, Infrastructure and Transport of Korean government.

新疆玛纳斯流域非农业种植地盐碱性空间变异特征

新疆玛纳斯流域非农业种植地盐碱性空间变异特征

China’s regional social vulnerability to geological disasters: evaluation and spatial characteristics analysis

The assessment of social vulnerability is a requirement for understanding the risk of natural hazards. This paper calculates the social vulnerability index of geological disasters in China with the super-efficiency DEA (data envelopment analysis) model, carries out global and local autocorrelation tests for social vulnerability to geological disasters in each province in China and identifies the characteristics of its spatial distribution pattern. The results show the following. (1) China’s social vulnerability to geological disasters is relatively high and has obvious differences. It represents the pattern of a significant increase by degrees in social vulnerability to geological disasters from east to west and a significantly negative correlation relationship between the vulnerability level and the economic level. (2) Based on the comparative analysis of the mean values of the indexes and the social vulnerability index of geological disasters, it is found that the social vulnerability index of geological disasters in China is directly related to the regional exposure degree and reaction and recovery ability, among which the reaction and recovery ability has great effects on the social vulnerability index. (3) Most of the regions in China are in a high–high clustering area or a low–low clustering area; that is to say, the regions with similar social vulnerability to geological disasters represent the pattern of clustering.

Local anisotropy of muon flux – The basis of the method of muon diagnostics of extra-terrestrial space

A new method for the analysis of spatial and angular characteristics of the cosmic ray muon flux registered in the hodoscopic mode using a single setup – the muon hodoscope – is presented. Various parameters of the muon flux anisotropy and methods of calculation of these parameters are discussed. It is shown that the horizontal projection of the muon flux relative anisotropy vector which characterizes lateral (horizontal) displacement of the muon flux angular distribution is the sensitive parameter to a variety of nonstationary processes in the heliosphere. The experimental data on the variation of the muon flux anisotropy during the passage of various irregularities in the solar wind and interplanetary magnetic field in the Earth’s vicinity are presented.

Mountain inhabitants’ perspectives on climate change, and its impacts and adaptation based on temporal and spatial characteristics analysis: a case study of Mt. Yulong Snow, Southeastern Tibetan Plateau

Based on the results of questionnaires issued to 202 local residents in the Mount Yulong Snow region, southeastern Tibetan Plateau, this study analyzes mountain residents’ perspectives on climate change and its impacts, their strategies to adapt to climate change impacts, including their willingness or otherwise to become ecological migrants, and some of the factors that influence their perceptions. Overall, local perception of climate change and its impacts corresponds to the patterns of observed climate change revealed by climate records. The intensity of climate change perception shows a highly significant correlation with residents’ age and villages’ elevation gradient. Most respondents did not believe that climate change affected crop growing and their yields, but the number of crop insect pests was thought to be increasing slightly and the crop growth period to be extending. Nearly all respondents believed that climate change seriously affects the mountain tourism economy, and their way of life and spiritual world. Persistent drought in recent years has forced mountain dwellers to adjust industrial structure, save water in the agricultural economy, participate in mountain tourism and work outside the home in order to adapt to climate change impacts and supplement their meager farm incomes. Additionally, residents expect to receive government compensation and relief to mitigate natural disaster damage.

Analysis of Water Quality Spatial Characteristics for Depleted Downstream of Agricultural Reservoir

The purpose of this study was to analyze the water quality spatial characteristics for depleted downstreams of agricultural reservoir. The Bonghyun and Hai reservoirs, located in Hai-myeon, which is in the city of Gosung in the Gyeongnam Province, were selected for stream and watershed study. The stream flow monitoring was conducted eight times from March October, 2013. The stream flow was measured in eight stations downstream from the two reservoirs. Stream depletion was found in most of the reservoirs downstream for the non-irrigation periods, and even in the irrigation periods when there were a lot of antecedent precipitation. The correlation analysis for water quality spatial data indicated that the correlation between Bonghyun downstreams were highest for the reservoirs. Continuous monitoring of rural streams located downstream from reservoirs are required to quantify the status of stream flow depletion, as well as to determine the amount of environmental flow.

Arrangement Characteristics of Temporary Relief Facilities: A Case Study of the Sewol Ferry Disaster Using Space Syntax Modeling

ABSTRACTThe purpose of this study was to provide a quantitative assessment of the spatial placement characteristics of temporary disaster relief facilities that were built after the Sewol ferry disaster. Among space syntax analysis indicators, we selected control value, global real relation asymmetry (RRA), local RRA, and intelligibility to use in this study. We also assessed each relief facility's accessibility by facility type and use of spatial openness. As a result of our analysis of 193 relief facilities that were classified into 9 facility types, we discovered that the types requiring control over who could access them due to their facility characteristics had RRA values confirming that such facilities used space appropriately. Furthermore, most of the facility types, including the types needing openness or awareness, showed results that were appropriate for each assessment indicator. Our study is the first to examine relief facilities, whose placements are often temporary and expedient in response to large-scale disasters, with the lens of spatial characteristics analysis. The assessment methodology used in this study can be generalized, applied regardless of region, and used as a placement plan for future temporary relief facilities.

Desorption corona beam ionisation (DCBI) mass spectrometry for in-situ analysis of adsorbed phenol in cigarette acetate fiber filter

The study of spatial distribution characteristics of the adsorbed compounds for absorbent materials has significant importance in understanding the behaviors of aerosols while they migrating in the absorbent materials. Herein, for the first time, desorption corona beam ionization–mass spectrometry (DCBI–MS) has proposed for direct in-situ analysis of adsorbed aerosol for absorbent materials. DCBI is a novel atmospheric pressure chemical ionization (APCI)-related technique developed by our group in recent years. It can facilitate accurately localizing sampling by forming a visible thin corona beam and avoid the risk of sample contamination and matrix interference compared with other similar techniques. The advantages of DCBI–MS allow rapid screening of the spatial distribution characteristics of the adsorbed compounds for absorbent materials. The distribution characteristic of phenol in cigarette filter tip filled with cellulose acetate fiber was studied as a model case for demonstrating the feasibility of the developed method. As a comparison, conventional HPLC was also used for the study of the distribution characteristic of phenol. The results revealed DCBI–MS had highly improved assay simplicity in spatial distribution characteristic analysis of phenol for the acetate fiber tip, therefore, exhibiting a great potential for convenient, rapid and cost-efficient analysis of the spatial distribution characteristic investigation of adsorbed compounds for adsorbent materials.

Research on Space Reconstruction of East Obo Block

The research is based on East Obo block, East River District, Baotou. According to analysis of the spatial characteristics, determine the reconstruction objectives, positioning and principles. Finally, the research identify the reconstruction model, that will provide a reference for space reconstruction in the similar block.

Determination of virtual water content of rice and spatial characteristics analysis in China

Abstract. China is a water-stressed country, and agriculture consumes the bulk of its water resources. Assessing the virtual water content (VWC) of crops is one important way to develop efficient water management measures to alleviate water resource conflicts among different sectors. In this research, the VWC of rice, a major crop in China, is taken as the research object. China covers a vast land area, and the VWC of rice varies widely between different regions. The VWC of rice in China is assessed and the spatial characteristics are also analysed. The total VWC is the total volume of freshwater both consumed and affected by pollution during the crop production process, including both direct and indirect water use. Prior calculation frameworks of the VWC of crops did not contain all of the virtual water content of crops. In addition to the calculation of green, blue and grey water – the direct water in VWC – the indirect water use of rice was also calculated, using an input–output model. The percentages of direct green, blue, grey and indirect water in the total VWC of rice in China were found to be 43.8, 28.2, 27.6, and 0.4%. The total VWC of rice generally showed a roughly three-tiered distribution, and decreased from southeast to northwest. The higher values of direct green water usage were mainly concentrated in Southeast and Southwest China, while the values were relatively low in Northwest China and Inner Mongolia. The higher direct blue water values were mainly concentrated in the eastern and southern coastal regions and Northwest China, and low values were mainly concentrated in Southwest China. Grey water values were relatively high in Shanxi and Guangxi provinces and low in Northeast and Northwest China. The regions with high values for indirect water were randomly distributed but the regions with low values were mainly concentrated in Northwest and Southwest China. For the regions with relatively high total VWC the high values of blue water made the largest contribution, although for the country as a whole the direct green water is the most important contributor.

Analysis of spatial distribution characteristics of dissolved organic matter in typical greenhouse soil of northern China using three dimensional fluorescence spectra technique and parallel factor analysis model.

The aim of the present work is to study the soil DOM characteristics in the vegetable greenhouse with a long-term of cultivation. Results showed that the soil DOM mainly consisted of three components, fulvic acid-like (C1), humic acid-like (C2) and protein-like (C3), with C1 as the majority one. The distribution of DOM in space was also studied. In vertical direction, C1 and C2 decreased significantly with the increase in soil depth, while C3 component decreased after increased. The humification coefficient decreased fast from 0-20 to 30-40 cm, and then increased from 30-40 to 40-50 cm. In the horizontal direction, the level of C2 component varied greatly in space, while that of C1 component changed little, and that of C3 component fell in between the above two. The change in the humification degree of each soil layer significantly varied spatially. Humification process of soil organic matter mainly occurred in the surface soil layer. In addition, the humification degree in space also changed significantly. The new ideas of this study are: (1) Analyze the composition and spatial heterogeneity of soil DOM in the vegetable greenhouse; (2) Use three dimensional fluorescence spectra technology and parallel factor analysis model successfully to quantify the components of soil DOM, which provides a new method for the soil DOM analysis.

Neural correlates of inferring speaker sincerity from white lies: An event-related potential source localization study

During social interactions, listeners weigh the importance of linguistic and extra-linguistic speech cues (prosody) to infer the true intentions of the speaker in reference to what is actually said. In this study, we investigated what brain processes allow listeners to detect when a spoken compliment is meant to be sincere (true compliment) or not (“white lie”). Electroencephalograms of 29 participants were recorded while they listened to Question–Response pairs, where the response was expressed in either a sincere or insincere tone (e.g., “So, what did you think of my presentation?”/“I found it really interesting.”). Participants judged whether the response was sincere or not. Behavioral results showed that prosody could be effectively used to discern the intended sincerity of compliments. Analysis of temporal and spatial characteristics of event-related potentials (P200, N400, P600) uncovered significant effects of prosody on P600 amplitudes, which were greater in response to sincere versus insincere compliments. Using low resolution brain electromagnetic tomography (LORETA), we determined that the anatomical sources of this activity were likely located in the (left) insula, consistent with previous reports of insular activity in the perception of lies and concealments. These data extend knowledge of the neurocognitive mechanisms that permit context-appropriate inferences about speaker feelings and intentions during interpersonal communication.

Spatial structure characteristic analysis of corn stover during alkali and biological co-pretreatment using XRD.

Dynamic variation in the spatial structure of corn stover during alkali and biological co-pretreatment was investigated by X-ray diffraction. The result for crystallinity and microcrystalline size of cellulose showed periodic changes during the pretreatment process. The dominant destruction periods of crystalline areas were mainly located at 3-5d and 7-17d, and prevailing destroyed amorphous areas mainly occurred at 0-2d and 5-7d. On day 7, the relative crystallinity and microcrystalline size reached 52.81% and 8.56 nm, respectively, which were the maximum and minimum values during the whole co-pretreatment. The results indicated that spatial structure change was not uniform with pretreatment time, and this was contributed to explore the vital time point of destruction during the alkali-biological pretreatment.

Aerosol Optical Depth investigated with satellite remote sensing observations in China

In this study, Aerosol Optical Depth (AOD) at 550nm from the MODIS sensor on board the Terra/Aqua satellites were compared with sun photometer (CE-318) measurements from 11 AERONET stations in China. The average correlation coefficient (R) value from the AOD product, using the Aqua-MODIS Deep Blue algorithm, in the Hexi Corridor was 0.67. The MODIS Dark Target algorithm AOD product is superior to Deep Blue algorithm AOD products in SACOL of the Semi-arid regions of the Loess Plateau. These two kinds of algorithm are not applicable to sites in Lanzhou city. The average R value of Dark Target algorithm AOD MODIS products is 0.91 for Terra and 0.88 for Aqua in the eastern part of China. According to the analysis of spatial and temporal characteristics of the two MODIS AOD products in China, high value areas are mainly distributed in the southern part of Xinjiang (0.5~0.8), Sichuan Basin (0.8~0.9), North China (0.6~0.8) and the middle and lower reaches of the Changjiang River (0.8~1.0). The Deep Blue algorithm for Aqua-MODIS is a good supplement for the retrieval of AOD above bright surfaces of deserts in Northwest China.

An Analysis of Temporal and Spatial Distribution Characteristics of Water Resources in Guangdong Province, China

In view of the difficulty in giving a quantitative description of the degree of uneven distribution of water resources, this paper, based on a cloud model, explores the temporal and spatial distribution characteristics of water resources in some research areas in Guangdong Province by using quantitative methods. The results show that, firstly, cloud images of a cloud model make it possible to describe intuitively the characteristics of the temporal and spatial distribution of water resources and present the differences of these characteristics in different areas through numerical characteristic values. Secondly, there are the least amounts of water resources in western Guangdong and the most in the Pearl River Delta Area. Temporal allocation of water resources is difficult in the northern and eastern parts of this province while spatial allocation difficult in the eastern and western parts. Thirdly, there are more water resources, less non-uniformity in the temporal distribution, greater stability in terms of temporal and spatial distribution but greater non-uniformity in the spatial distribution of water resources in the downstream than upstream of the Pearl River in Guangdong Province. Fourthly, there is less non-uniformity in the spatial distribution than in the temporal distribution in northern Guangdong while stability of spatial distribution is worse than that of the temporal distribution in western Guangdong. In addition, there is less uniformity but greater stability in the spatial distribution than in the temporal distribution of water resources in each research area.

Spatial correlation and ecological characteristics analysis of management area for biodiversity conservation and relevant regionalization

Formulation of different ecological zone plans according to the corresponding protection targets and the necessity of proper conservation policy is one of the measures to achieve the goal of ecological conservation in China. In order to clarify the interrelation among key ecological zone plans, this paper carried out the research on spatial relation of priority areas of biodiversity conservation and three key ecological areas (key ecological function areas, key regions of ecological service function, national nature reserves) and the research on ecological conditions, based on multi-scale ecological spatial theme information, which incorporates elements like ecological quality and type, and by the aid of spatial information analysis and GIS modeling. The results showed a contrastively fine spatial consistency with 68.8% of priority areas of biodiversity conservation overlapping with three key ecological areas. Although the environment in priority areas of biodiversity conservation were in good conditions, protection pressure is also increasing, powerful supervision and protection should not be ignored. The environmental conditions in the overlapping areas, as a whole, were superior to those in the non-overlapping areas. Since two areas have different characteristics, targeted protection measures should be formulated based on this difference, which will be very important for biodiversity conservation in priority areas of biodiversity conservation.

Analysis of Spatial Evolution Characteristics in Songyuan Main Urban Area Based on Space Syntax

Nearly 30 years, the mining and processing of oil greatly boost the rapid development of Songyuan economy, and urban spatial structure has also undergone a change in the accompanying. This paper attempts to use the method of space syntax to analyze space integration and intelligibility of Songyuan main urban area in 1986, 1993, 2000 and 2012, which expects to summarize spatial evolution characteristics and discipline of every stage in Songyuan city, thus guides the revision of future master plan specifically.